Mercurial > cpython-lru_cache-weakref
annotate Lib/test/test_argparse.py @ 70817:dd775b1561ba
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| author | Georg Brandl <georg@python.org> |
|---|---|
| date | Tue, 14 Jun 2011 21:09:55 +0200 |
| parents | cab204a79e09 |
| children | 50e788691eda |
| rev | line source |
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1 # Author: Steven J. Bethard <steven.bethard@gmail.com>. |
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2 |
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3 import codecs |
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4 import inspect |
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5 import os |
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6 import shutil |
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7 import stat |
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8 import sys |
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9 import textwrap |
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10 import tempfile |
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11 import unittest |
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12 import argparse |
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13 |
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14 from io import StringIO |
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15 |
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16 from test import support |
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17 class StdIOBuffer(StringIO): |
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18 pass |
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19 |
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20 class TestCase(unittest.TestCase): |
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21 |
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22 def assertEqual(self, obj1, obj2): |
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23 if obj1 != obj2: |
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24 print('') |
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25 print(repr(obj1)) |
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26 print(repr(obj2)) |
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27 print(obj1) |
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28 print(obj2) |
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29 super(TestCase, self).assertEqual(obj1, obj2) |
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30 |
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31 def setUp(self): |
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32 # The tests assume that line wrapping occurs at 80 columns, but this |
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33 # behaviour can be overridden by setting the COLUMNS environment |
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34 # variable. To ensure that this assumption is true, unset COLUMNS. |
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35 env = support.EnvironmentVarGuard() |
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36 env.unset("COLUMNS") |
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37 self.addCleanup(env.__exit__) |
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38 |
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39 |
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40 class TempDirMixin(object): |
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41 |
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42 def setUp(self): |
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43 self.temp_dir = tempfile.mkdtemp() |
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44 self.old_dir = os.getcwd() |
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45 os.chdir(self.temp_dir) |
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46 |
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47 def tearDown(self): |
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48 os.chdir(self.old_dir) |
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49 shutil.rmtree(self.temp_dir, True) |
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50 |
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51 def create_readonly_file(self, filename): |
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52 file_path = os.path.join(self.temp_dir, filename) |
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53 with open(file_path, 'w') as file: |
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54 file.write(filename) |
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55 os.chmod(file_path, stat.S_IREAD) |
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56 |
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57 class Sig(object): |
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58 |
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59 def __init__(self, *args, **kwargs): |
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60 self.args = args |
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61 self.kwargs = kwargs |
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62 |
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63 |
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64 class NS(object): |
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65 |
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66 def __init__(self, **kwargs): |
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67 self.__dict__.update(kwargs) |
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68 |
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69 def __repr__(self): |
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70 sorted_items = sorted(self.__dict__.items()) |
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71 kwarg_str = ', '.join(['%s=%r' % tup for tup in sorted_items]) |
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72 return '%s(%s)' % (type(self).__name__, kwarg_str) |
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73 |
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74 def __eq__(self, other): |
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75 return vars(self) == vars(other) |
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76 |
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77 def __ne__(self, other): |
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78 return not (self == other) |
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79 |
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80 |
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81 class ArgumentParserError(Exception): |
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82 |
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83 def __init__(self, message, stdout=None, stderr=None, error_code=None): |
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84 Exception.__init__(self, message, stdout, stderr) |
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85 self.message = message |
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86 self.stdout = stdout |
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87 self.stderr = stderr |
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88 self.error_code = error_code |
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89 |
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90 |
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91 def stderr_to_parser_error(parse_args, *args, **kwargs): |
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92 # if this is being called recursively and stderr or stdout is already being |
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93 # redirected, simply call the function and let the enclosing function |
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94 # catch the exception |
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95 if isinstance(sys.stderr, StdIOBuffer) or isinstance(sys.stdout, StdIOBuffer): |
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96 return parse_args(*args, **kwargs) |
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97 |
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98 # if this is not being called recursively, redirect stderr and |
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99 # use it as the ArgumentParserError message |
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100 old_stdout = sys.stdout |
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101 old_stderr = sys.stderr |
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102 sys.stdout = StdIOBuffer() |
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103 sys.stderr = StdIOBuffer() |
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104 try: |
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105 try: |
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106 result = parse_args(*args, **kwargs) |
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107 for key in list(vars(result)): |
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108 if getattr(result, key) is sys.stdout: |
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109 setattr(result, key, old_stdout) |
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110 if getattr(result, key) is sys.stderr: |
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111 setattr(result, key, old_stderr) |
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112 return result |
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113 except SystemExit: |
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114 code = sys.exc_info()[1].code |
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115 stdout = sys.stdout.getvalue() |
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116 stderr = sys.stderr.getvalue() |
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117 raise ArgumentParserError("SystemExit", stdout, stderr, code) |
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118 finally: |
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119 sys.stdout = old_stdout |
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120 sys.stderr = old_stderr |
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121 |
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122 |
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123 class ErrorRaisingArgumentParser(argparse.ArgumentParser): |
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124 |
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125 def parse_args(self, *args, **kwargs): |
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126 parse_args = super(ErrorRaisingArgumentParser, self).parse_args |
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127 return stderr_to_parser_error(parse_args, *args, **kwargs) |
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128 |
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129 def exit(self, *args, **kwargs): |
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130 exit = super(ErrorRaisingArgumentParser, self).exit |
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131 return stderr_to_parser_error(exit, *args, **kwargs) |
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132 |
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133 def error(self, *args, **kwargs): |
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134 error = super(ErrorRaisingArgumentParser, self).error |
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135 return stderr_to_parser_error(error, *args, **kwargs) |
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136 |
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137 |
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138 class ParserTesterMetaclass(type): |
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139 """Adds parser tests using the class attributes. |
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140 |
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141 Classes of this type should specify the following attributes: |
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142 |
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143 argument_signatures -- a list of Sig objects which specify |
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144 the signatures of Argument objects to be created |
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145 failures -- a list of args lists that should cause the parser |
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146 to fail |
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147 successes -- a list of (initial_args, options, remaining_args) tuples |
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148 where initial_args specifies the string args to be parsed, |
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149 options is a dict that should match the vars() of the options |
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150 parsed out of initial_args, and remaining_args should be any |
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151 remaining unparsed arguments |
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152 """ |
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153 |
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154 def __init__(cls, name, bases, bodydict): |
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155 if name == 'ParserTestCase': |
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156 return |
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157 |
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158 # default parser signature is empty |
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159 if not hasattr(cls, 'parser_signature'): |
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160 cls.parser_signature = Sig() |
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161 if not hasattr(cls, 'parser_class'): |
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162 cls.parser_class = ErrorRaisingArgumentParser |
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163 |
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164 # --------------------------------------- |
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165 # functions for adding optional arguments |
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166 # --------------------------------------- |
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167 def no_groups(parser, argument_signatures): |
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168 """Add all arguments directly to the parser""" |
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169 for sig in argument_signatures: |
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170 parser.add_argument(*sig.args, **sig.kwargs) |
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171 |
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172 def one_group(parser, argument_signatures): |
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173 """Add all arguments under a single group in the parser""" |
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174 group = parser.add_argument_group('foo') |
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175 for sig in argument_signatures: |
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176 group.add_argument(*sig.args, **sig.kwargs) |
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177 |
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178 def many_groups(parser, argument_signatures): |
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179 """Add each argument in its own group to the parser""" |
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180 for i, sig in enumerate(argument_signatures): |
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181 group = parser.add_argument_group('foo:%i' % i) |
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182 group.add_argument(*sig.args, **sig.kwargs) |
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183 |
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184 # -------------------------- |
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185 # functions for parsing args |
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186 # -------------------------- |
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187 def listargs(parser, args): |
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188 """Parse the args by passing in a list""" |
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189 return parser.parse_args(args) |
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190 |
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191 def sysargs(parser, args): |
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192 """Parse the args by defaulting to sys.argv""" |
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193 old_sys_argv = sys.argv |
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194 sys.argv = [old_sys_argv[0]] + args |
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195 try: |
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196 return parser.parse_args() |
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197 finally: |
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198 sys.argv = old_sys_argv |
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199 |
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200 # class that holds the combination of one optional argument |
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201 # addition method and one arg parsing method |
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202 class AddTests(object): |
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203 |
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204 def __init__(self, tester_cls, add_arguments, parse_args): |
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205 self._add_arguments = add_arguments |
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206 self._parse_args = parse_args |
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207 |
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208 add_arguments_name = self._add_arguments.__name__ |
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209 parse_args_name = self._parse_args.__name__ |
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210 for test_func in [self.test_failures, self.test_successes]: |
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211 func_name = test_func.__name__ |
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212 names = func_name, add_arguments_name, parse_args_name |
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213 test_name = '_'.join(names) |
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214 |
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215 def wrapper(self, test_func=test_func): |
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216 test_func(self) |
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217 try: |
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218 wrapper.__name__ = test_name |
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219 except TypeError: |
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220 pass |
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221 setattr(tester_cls, test_name, wrapper) |
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222 |
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223 def _get_parser(self, tester): |
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224 args = tester.parser_signature.args |
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225 kwargs = tester.parser_signature.kwargs |
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226 parser = tester.parser_class(*args, **kwargs) |
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227 self._add_arguments(parser, tester.argument_signatures) |
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228 return parser |
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229 |
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230 def test_failures(self, tester): |
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231 parser = self._get_parser(tester) |
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232 for args_str in tester.failures: |
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233 args = args_str.split() |
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234 raises = tester.assertRaises |
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235 raises(ArgumentParserError, parser.parse_args, args) |
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236 |
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237 def test_successes(self, tester): |
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238 parser = self._get_parser(tester) |
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239 for args, expected_ns in tester.successes: |
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240 if isinstance(args, str): |
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241 args = args.split() |
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242 result_ns = self._parse_args(parser, args) |
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243 tester.assertEqual(expected_ns, result_ns) |
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244 |
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245 # add tests for each combination of an optionals adding method |
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246 # and an arg parsing method |
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247 for add_arguments in [no_groups, one_group, many_groups]: |
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248 for parse_args in [listargs, sysargs]: |
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249 AddTests(cls, add_arguments, parse_args) |
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250 |
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251 bases = TestCase, |
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252 ParserTestCase = ParserTesterMetaclass('ParserTestCase', bases, {}) |
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253 |
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254 # =============== |
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255 # Optionals tests |
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256 # =============== |
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257 |
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258 class TestOptionalsSingleDash(ParserTestCase): |
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259 """Test an Optional with a single-dash option string""" |
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260 |
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261 argument_signatures = [Sig('-x')] |
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262 failures = ['-x', 'a', '--foo', '-x --foo', '-x -y'] |
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263 successes = [ |
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264 ('', NS(x=None)), |
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265 ('-x a', NS(x='a')), |
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266 ('-xa', NS(x='a')), |
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267 ('-x -1', NS(x='-1')), |
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268 ('-x-1', NS(x='-1')), |
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269 ] |
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270 |
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271 |
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272 class TestOptionalsSingleDashCombined(ParserTestCase): |
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273 """Test an Optional with a single-dash option string""" |
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274 |
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275 argument_signatures = [ |
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276 Sig('-x', action='store_true'), |
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277 Sig('-yyy', action='store_const', const=42), |
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278 Sig('-z'), |
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279 ] |
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280 failures = ['a', '--foo', '-xa', '-x --foo', '-x -z', '-z -x', |
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281 '-yx', '-yz a', '-yyyx', '-yyyza', '-xyza'] |
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282 successes = [ |
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283 ('', NS(x=False, yyy=None, z=None)), |
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284 ('-x', NS(x=True, yyy=None, z=None)), |
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285 ('-za', NS(x=False, yyy=None, z='a')), |
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286 ('-z a', NS(x=False, yyy=None, z='a')), |
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287 ('-xza', NS(x=True, yyy=None, z='a')), |
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288 ('-xz a', NS(x=True, yyy=None, z='a')), |
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289 ('-x -za', NS(x=True, yyy=None, z='a')), |
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290 ('-x -z a', NS(x=True, yyy=None, z='a')), |
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291 ('-y', NS(x=False, yyy=42, z=None)), |
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292 ('-yyy', NS(x=False, yyy=42, z=None)), |
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293 ('-x -yyy -za', NS(x=True, yyy=42, z='a')), |
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294 ('-x -yyy -z a', NS(x=True, yyy=42, z='a')), |
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295 ] |
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296 |
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297 |
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298 class TestOptionalsSingleDashLong(ParserTestCase): |
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299 """Test an Optional with a multi-character single-dash option string""" |
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300 |
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301 argument_signatures = [Sig('-foo')] |
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302 failures = ['-foo', 'a', '--foo', '-foo --foo', '-foo -y', '-fooa'] |
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303 successes = [ |
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304 ('', NS(foo=None)), |
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305 ('-foo a', NS(foo='a')), |
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306 ('-foo -1', NS(foo='-1')), |
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307 ('-fo a', NS(foo='a')), |
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308 ('-f a', NS(foo='a')), |
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309 ] |
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310 |
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311 |
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312 class TestOptionalsSingleDashSubsetAmbiguous(ParserTestCase): |
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313 """Test Optionals where option strings are subsets of each other""" |
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314 |
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315 argument_signatures = [Sig('-f'), Sig('-foobar'), Sig('-foorab')] |
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316 failures = ['-f', '-foo', '-fo', '-foo b', '-foob', '-fooba', '-foora'] |
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317 successes = [ |
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318 ('', NS(f=None, foobar=None, foorab=None)), |
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319 ('-f a', NS(f='a', foobar=None, foorab=None)), |
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320 ('-fa', NS(f='a', foobar=None, foorab=None)), |
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321 ('-foa', NS(f='oa', foobar=None, foorab=None)), |
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322 ('-fooa', NS(f='ooa', foobar=None, foorab=None)), |
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323 ('-foobar a', NS(f=None, foobar='a', foorab=None)), |
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324 ('-foorab a', NS(f=None, foobar=None, foorab='a')), |
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325 ] |
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326 |
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327 |
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328 class TestOptionalsSingleDashAmbiguous(ParserTestCase): |
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329 """Test Optionals that partially match but are not subsets""" |
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330 |
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331 argument_signatures = [Sig('-foobar'), Sig('-foorab')] |
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332 failures = ['-f', '-f a', '-fa', '-foa', '-foo', '-fo', '-foo b'] |
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333 successes = [ |
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334 ('', NS(foobar=None, foorab=None)), |
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335 ('-foob a', NS(foobar='a', foorab=None)), |
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336 ('-foor a', NS(foobar=None, foorab='a')), |
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337 ('-fooba a', NS(foobar='a', foorab=None)), |
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338 ('-foora a', NS(foobar=None, foorab='a')), |
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339 ('-foobar a', NS(foobar='a', foorab=None)), |
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340 ('-foorab a', NS(foobar=None, foorab='a')), |
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341 ] |
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342 |
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343 |
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344 class TestOptionalsNumeric(ParserTestCase): |
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345 """Test an Optional with a short opt string""" |
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346 |
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347 argument_signatures = [Sig('-1', dest='one')] |
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348 failures = ['-1', 'a', '-1 --foo', '-1 -y', '-1 -1', '-1 -2'] |
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349 successes = [ |
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350 ('', NS(one=None)), |
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351 ('-1 a', NS(one='a')), |
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352 ('-1a', NS(one='a')), |
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353 ('-1-2', NS(one='-2')), |
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354 ] |
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355 |
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356 |
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357 class TestOptionalsDoubleDash(ParserTestCase): |
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358 """Test an Optional with a double-dash option string""" |
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359 |
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360 argument_signatures = [Sig('--foo')] |
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361 failures = ['--foo', '-f', '-f a', 'a', '--foo -x', '--foo --bar'] |
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362 successes = [ |
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363 ('', NS(foo=None)), |
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364 ('--foo a', NS(foo='a')), |
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365 ('--foo=a', NS(foo='a')), |
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366 ('--foo -2.5', NS(foo='-2.5')), |
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367 ('--foo=-2.5', NS(foo='-2.5')), |
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368 ] |
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369 |
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370 |
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371 class TestOptionalsDoubleDashPartialMatch(ParserTestCase): |
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372 """Tests partial matching with a double-dash option string""" |
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373 |
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374 argument_signatures = [ |
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375 Sig('--badger', action='store_true'), |
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376 Sig('--bat'), |
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377 ] |
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378 failures = ['--bar', '--b', '--ba', '--b=2', '--ba=4', '--badge 5'] |
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379 successes = [ |
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380 ('', NS(badger=False, bat=None)), |
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381 ('--bat X', NS(badger=False, bat='X')), |
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382 ('--bad', NS(badger=True, bat=None)), |
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383 ('--badg', NS(badger=True, bat=None)), |
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384 ('--badge', NS(badger=True, bat=None)), |
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385 ('--badger', NS(badger=True, bat=None)), |
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387 |
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388 |
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389 class TestOptionalsDoubleDashPrefixMatch(ParserTestCase): |
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390 """Tests when one double-dash option string is a prefix of another""" |
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391 |
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392 argument_signatures = [ |
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393 Sig('--badger', action='store_true'), |
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394 Sig('--ba'), |
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395 ] |
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396 failures = ['--bar', '--b', '--ba', '--b=2', '--badge 5'] |
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397 successes = [ |
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398 ('', NS(badger=False, ba=None)), |
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399 ('--ba X', NS(badger=False, ba='X')), |
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400 ('--ba=X', NS(badger=False, ba='X')), |
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401 ('--bad', NS(badger=True, ba=None)), |
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402 ('--badg', NS(badger=True, ba=None)), |
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403 ('--badge', NS(badger=True, ba=None)), |
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404 ('--badger', NS(badger=True, ba=None)), |
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406 |
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407 |
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408 class TestOptionalsSingleDoubleDash(ParserTestCase): |
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409 """Test an Optional with single- and double-dash option strings""" |
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410 |
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411 argument_signatures = [ |
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412 Sig('-f', action='store_true'), |
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413 Sig('--bar'), |
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414 Sig('-baz', action='store_const', const=42), |
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416 failures = ['--bar', '-fbar', '-fbaz', '-bazf', '-b B', 'B'] |
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417 successes = [ |
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418 ('', NS(f=False, bar=None, baz=None)), |
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419 ('-f', NS(f=True, bar=None, baz=None)), |
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420 ('--ba B', NS(f=False, bar='B', baz=None)), |
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421 ('-f --bar B', NS(f=True, bar='B', baz=None)), |
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422 ('-f -b', NS(f=True, bar=None, baz=42)), |
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423 ('-ba -f', NS(f=True, bar=None, baz=42)), |
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425 |
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427 class TestOptionalsAlternatePrefixChars(ParserTestCase): |
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428 """Test an Optional with option strings with custom prefixes""" |
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429 |
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430 parser_signature = Sig(prefix_chars='+:/', add_help=False) |
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431 argument_signatures = [ |
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432 Sig('+f', action='store_true'), |
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433 Sig('::bar'), |
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434 Sig('/baz', action='store_const', const=42), |
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436 failures = ['--bar', '-fbar', '-b B', 'B', '-f', '--bar B', '-baz', '-h', '--help', '+h', '::help', '/help'] |
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437 successes = [ |
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438 ('', NS(f=False, bar=None, baz=None)), |
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439 ('+f', NS(f=True, bar=None, baz=None)), |
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440 ('::ba B', NS(f=False, bar='B', baz=None)), |
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441 ('+f ::bar B', NS(f=True, bar='B', baz=None)), |
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442 ('+f /b', NS(f=True, bar=None, baz=42)), |
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443 ('/ba +f', NS(f=True, bar=None, baz=42)), |
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444 ] |
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446 |
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447 class TestOptionalsAlternatePrefixCharsAddedHelp(ParserTestCase): |
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448 """When ``-`` not in prefix_chars, default operators created for help |
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449 should use the prefix_chars in use rather than - or -- |
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450 http://bugs.python.org/issue9444""" |
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451 |
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452 parser_signature = Sig(prefix_chars='+:/', add_help=True) |
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453 argument_signatures = [ |
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454 Sig('+f', action='store_true'), |
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455 Sig('::bar'), |
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456 Sig('/baz', action='store_const', const=42), |
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457 ] |
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458 failures = ['--bar', '-fbar', '-b B', 'B', '-f', '--bar B', '-baz'] |
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459 successes = [ |
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460 ('', NS(f=False, bar=None, baz=None)), |
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461 ('+f', NS(f=True, bar=None, baz=None)), |
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462 ('::ba B', NS(f=False, bar='B', baz=None)), |
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463 ('+f ::bar B', NS(f=True, bar='B', baz=None)), |
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464 ('+f /b', NS(f=True, bar=None, baz=42)), |
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465 ('/ba +f', NS(f=True, bar=None, baz=42)) |
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466 ] |
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467 |
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468 |
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469 class TestOptionalsAlternatePrefixCharsMultipleShortArgs(ParserTestCase): |
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470 """Verify that Optionals must be called with their defined prefixes""" |
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471 |
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472 parser_signature = Sig(prefix_chars='+-', add_help=False) |
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473 argument_signatures = [ |
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474 Sig('-x', action='store_true'), |
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475 Sig('+y', action='store_true'), |
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476 Sig('+z', action='store_true'), |
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477 ] |
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478 failures = ['-w', |
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479 '-xyz', |
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480 '+x', |
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481 '-y', |
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482 '+xyz', |
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483 ] |
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484 successes = [ |
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485 ('', NS(x=False, y=False, z=False)), |
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486 ('-x', NS(x=True, y=False, z=False)), |
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487 ('+y -x', NS(x=True, y=True, z=False)), |
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488 ('+yz -x', NS(x=True, y=True, z=True)), |
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489 ] |
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490 |
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491 |
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492 class TestOptionalsShortLong(ParserTestCase): |
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493 """Test a combination of single- and double-dash option strings""" |
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494 |
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495 argument_signatures = [ |
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496 Sig('-v', '--verbose', '-n', '--noisy', action='store_true'), |
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497 ] |
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498 failures = ['--x --verbose', '-N', 'a', '-v x'] |
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499 successes = [ |
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500 ('', NS(verbose=False)), |
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501 ('-v', NS(verbose=True)), |
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502 ('--verbose', NS(verbose=True)), |
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503 ('-n', NS(verbose=True)), |
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504 ('--noisy', NS(verbose=True)), |
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505 ] |
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506 |
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507 |
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508 class TestOptionalsDest(ParserTestCase): |
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509 """Tests various means of setting destination""" |
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510 |
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511 argument_signatures = [Sig('--foo-bar'), Sig('--baz', dest='zabbaz')] |
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512 failures = ['a'] |
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513 successes = [ |
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514 ('--foo-bar f', NS(foo_bar='f', zabbaz=None)), |
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515 ('--baz g', NS(foo_bar=None, zabbaz='g')), |
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516 ('--foo-bar h --baz i', NS(foo_bar='h', zabbaz='i')), |
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517 ('--baz j --foo-bar k', NS(foo_bar='k', zabbaz='j')), |
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518 ] |
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519 |
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520 |
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521 class TestOptionalsDefault(ParserTestCase): |
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522 """Tests specifying a default for an Optional""" |
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523 |
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524 argument_signatures = [Sig('-x'), Sig('-y', default=42)] |
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525 failures = ['a'] |
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526 successes = [ |
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527 ('', NS(x=None, y=42)), |
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528 ('-xx', NS(x='x', y=42)), |
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529 ('-yy', NS(x=None, y='y')), |
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531 |
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532 |
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533 class TestOptionalsNargsDefault(ParserTestCase): |
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534 """Tests not specifying the number of args for an Optional""" |
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535 |
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536 argument_signatures = [Sig('-x')] |
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537 failures = ['a', '-x'] |
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539 ('', NS(x=None)), |
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540 ('-x a', NS(x='a')), |
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543 |
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544 class TestOptionalsNargs1(ParserTestCase): |
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545 """Tests specifying the 1 arg for an Optional""" |
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546 |
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547 argument_signatures = [Sig('-x', nargs=1)] |
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548 failures = ['a', '-x'] |
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549 successes = [ |
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550 ('', NS(x=None)), |
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551 ('-x a', NS(x=['a'])), |
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552 ] |
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553 |
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554 |
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555 class TestOptionalsNargs3(ParserTestCase): |
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556 """Tests specifying the 3 args for an Optional""" |
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557 |
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558 argument_signatures = [Sig('-x', nargs=3)] |
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559 failures = ['a', '-x', '-x a', '-x a b', 'a -x', 'a -x b'] |
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560 successes = [ |
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561 ('', NS(x=None)), |
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562 ('-x a b c', NS(x=['a', 'b', 'c'])), |
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564 |
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565 |
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566 class TestOptionalsNargsOptional(ParserTestCase): |
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567 """Tests specifying an Optional arg for an Optional""" |
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568 |
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569 argument_signatures = [ |
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570 Sig('-w', nargs='?'), |
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571 Sig('-x', nargs='?', const=42), |
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572 Sig('-y', nargs='?', default='spam'), |
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573 Sig('-z', nargs='?', type=int, const='42', default='84'), |
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574 ] |
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575 failures = ['2'] |
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576 successes = [ |
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577 ('', NS(w=None, x=None, y='spam', z=84)), |
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578 ('-w', NS(w=None, x=None, y='spam', z=84)), |
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579 ('-w 2', NS(w='2', x=None, y='spam', z=84)), |
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580 ('-x', NS(w=None, x=42, y='spam', z=84)), |
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581 ('-x 2', NS(w=None, x='2', y='spam', z=84)), |
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582 ('-y', NS(w=None, x=None, y=None, z=84)), |
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583 ('-y 2', NS(w=None, x=None, y='2', z=84)), |
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584 ('-z', NS(w=None, x=None, y='spam', z=42)), |
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585 ('-z 2', NS(w=None, x=None, y='spam', z=2)), |
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586 ] |
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587 |
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588 |
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589 class TestOptionalsNargsZeroOrMore(ParserTestCase): |
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590 """Tests specifying an args for an Optional that accepts zero or more""" |
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591 |
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592 argument_signatures = [ |
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593 Sig('-x', nargs='*'), |
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594 Sig('-y', nargs='*', default='spam'), |
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595 ] |
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596 failures = ['a'] |
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597 successes = [ |
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598 ('', NS(x=None, y='spam')), |
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599 ('-x', NS(x=[], y='spam')), |
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600 ('-x a', NS(x=['a'], y='spam')), |
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601 ('-x a b', NS(x=['a', 'b'], y='spam')), |
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602 ('-y', NS(x=None, y=[])), |
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603 ('-y a', NS(x=None, y=['a'])), |
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604 ('-y a b', NS(x=None, y=['a', 'b'])), |
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605 ] |
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606 |
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607 |
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608 class TestOptionalsNargsOneOrMore(ParserTestCase): |
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609 """Tests specifying an args for an Optional that accepts one or more""" |
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610 |
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611 argument_signatures = [ |
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612 Sig('-x', nargs='+'), |
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613 Sig('-y', nargs='+', default='spam'), |
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615 failures = ['a', '-x', '-y', 'a -x', 'a -y b'] |
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616 successes = [ |
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617 ('', NS(x=None, y='spam')), |
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618 ('-x a', NS(x=['a'], y='spam')), |
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619 ('-x a b', NS(x=['a', 'b'], y='spam')), |
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621 ('-y a b', NS(x=None, y=['a', 'b'])), |
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623 |
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624 |
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625 class TestOptionalsChoices(ParserTestCase): |
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626 """Tests specifying the choices for an Optional""" |
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627 |
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628 argument_signatures = [ |
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629 Sig('-f', choices='abc'), |
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630 Sig('-g', type=int, choices=range(5))] |
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631 failures = ['a', '-f d', '-fad', '-ga', '-g 6'] |
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632 successes = [ |
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633 ('', NS(f=None, g=None)), |
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634 ('-f a', NS(f='a', g=None)), |
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635 ('-f c', NS(f='c', g=None)), |
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636 ('-g 0', NS(f=None, g=0)), |
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637 ('-g 03', NS(f=None, g=3)), |
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638 ('-fb -g4', NS(f='b', g=4)), |
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640 |
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641 |
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642 class TestOptionalsRequired(ParserTestCase): |
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643 """Tests the an optional action that is required""" |
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645 argument_signatures = [ |
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646 Sig('-x', type=int, required=True), |
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648 failures = ['a', ''] |
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649 successes = [ |
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650 ('-x 1', NS(x=1)), |
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651 ('-x42', NS(x=42)), |
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653 |
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655 class TestOptionalsActionStore(ParserTestCase): |
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656 """Tests the store action for an Optional""" |
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657 |
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658 argument_signatures = [Sig('-x', action='store')] |
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659 failures = ['a', 'a -x'] |
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660 successes = [ |
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661 ('', NS(x=None)), |
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662 ('-xfoo', NS(x='foo')), |
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663 ] |
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666 class TestOptionalsActionStoreConst(ParserTestCase): |
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667 """Tests the store_const action for an Optional""" |
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669 argument_signatures = [Sig('-y', action='store_const', const=object)] |
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670 failures = ['a'] |
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671 successes = [ |
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672 ('', NS(y=None)), |
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673 ('-y', NS(y=object)), |
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677 class TestOptionalsActionStoreFalse(ParserTestCase): |
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678 """Tests the store_false action for an Optional""" |
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680 argument_signatures = [Sig('-z', action='store_false')] |
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681 failures = ['a', '-za', '-z a'] |
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682 successes = [ |
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683 ('', NS(z=True)), |
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684 ('-z', NS(z=False)), |
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688 class TestOptionalsActionStoreTrue(ParserTestCase): |
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689 """Tests the store_true action for an Optional""" |
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691 argument_signatures = [Sig('--apple', action='store_true')] |
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692 failures = ['a', '--apple=b', '--apple b'] |
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693 successes = [ |
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694 ('', NS(apple=False)), |
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695 ('--apple', NS(apple=True)), |
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699 class TestOptionalsActionAppend(ParserTestCase): |
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700 """Tests the append action for an Optional""" |
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702 argument_signatures = [Sig('--baz', action='append')] |
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703 failures = ['a', '--baz', 'a --baz', '--baz a b'] |
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704 successes = [ |
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705 ('', NS(baz=None)), |
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706 ('--baz a', NS(baz=['a'])), |
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707 ('--baz a --baz b', NS(baz=['a', 'b'])), |
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709 |
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711 class TestOptionalsActionAppendWithDefault(ParserTestCase): |
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712 """Tests the append action for an Optional""" |
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713 |
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714 argument_signatures = [Sig('--baz', action='append', default=['X'])] |
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715 failures = ['a', '--baz', 'a --baz', '--baz a b'] |
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716 successes = [ |
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717 ('', NS(baz=['X'])), |
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718 ('--baz a', NS(baz=['X', 'a'])), |
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719 ('--baz a --baz b', NS(baz=['X', 'a', 'b'])), |
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722 |
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723 class TestOptionalsActionAppendConst(ParserTestCase): |
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724 """Tests the append_const action for an Optional""" |
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725 |
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726 argument_signatures = [ |
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727 Sig('-b', action='append_const', const=Exception), |
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728 Sig('-c', action='append', dest='b'), |
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730 failures = ['a', '-c', 'a -c', '-bx', '-b x'] |
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731 successes = [ |
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732 ('', NS(b=None)), |
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733 ('-b', NS(b=[Exception])), |
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734 ('-b -cx -b -cyz', NS(b=[Exception, 'x', Exception, 'yz'])), |
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736 |
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737 |
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738 class TestOptionalsActionAppendConstWithDefault(ParserTestCase): |
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739 """Tests the append_const action for an Optional""" |
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740 |
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741 argument_signatures = [ |
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742 Sig('-b', action='append_const', const=Exception, default=['X']), |
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743 Sig('-c', action='append', dest='b'), |
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745 failures = ['a', '-c', 'a -c', '-bx', '-b x'] |
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746 successes = [ |
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747 ('', NS(b=['X'])), |
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748 ('-b', NS(b=['X', Exception])), |
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749 ('-b -cx -b -cyz', NS(b=['X', Exception, 'x', Exception, 'yz'])), |
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751 |
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752 |
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753 class TestOptionalsActionCount(ParserTestCase): |
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754 """Tests the count action for an Optional""" |
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755 |
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756 argument_signatures = [Sig('-x', action='count')] |
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757 failures = ['a', '-x a', '-x b', '-x a -x b'] |
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758 successes = [ |
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759 ('', NS(x=None)), |
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760 ('-x', NS(x=1)), |
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761 ] |
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762 |
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764 # ================ |
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765 # Positional tests |
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766 # ================ |
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767 |
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768 class TestPositionalsNargsNone(ParserTestCase): |
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769 """Test a Positional that doesn't specify nargs""" |
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771 argument_signatures = [Sig('foo')] |
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772 failures = ['', '-x', 'a b'] |
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774 ('a', NS(foo='a')), |
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778 class TestPositionalsNargs1(ParserTestCase): |
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779 """Test a Positional that specifies an nargs of 1""" |
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781 argument_signatures = [Sig('foo', nargs=1)] |
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782 failures = ['', '-x', 'a b'] |
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784 ('a', NS(foo=['a'])), |
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788 class TestPositionalsNargs2(ParserTestCase): |
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789 """Test a Positional that specifies an nargs of 2""" |
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791 argument_signatures = [Sig('foo', nargs=2)] |
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792 failures = ['', 'a', '-x', 'a b c'] |
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794 ('a b', NS(foo=['a', 'b'])), |
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798 class TestPositionalsNargsZeroOrMore(ParserTestCase): |
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799 """Test a Positional that specifies unlimited nargs""" |
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801 argument_signatures = [Sig('foo', nargs='*')] |
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802 failures = ['-x'] |
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804 ('', NS(foo=[])), |
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805 ('a', NS(foo=['a'])), |
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806 ('a b', NS(foo=['a', 'b'])), |
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809 |
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810 class TestPositionalsNargsZeroOrMoreDefault(ParserTestCase): |
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811 """Test a Positional that specifies unlimited nargs and a default""" |
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813 argument_signatures = [Sig('foo', nargs='*', default='bar')] |
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814 failures = ['-x'] |
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815 successes = [ |
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816 ('', NS(foo='bar')), |
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817 ('a', NS(foo=['a'])), |
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818 ('a b', NS(foo=['a', 'b'])), |
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822 class TestPositionalsNargsOneOrMore(ParserTestCase): |
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823 """Test a Positional that specifies one or more nargs""" |
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824 |
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825 argument_signatures = [Sig('foo', nargs='+')] |
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826 failures = ['', '-x'] |
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827 successes = [ |
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828 ('a', NS(foo=['a'])), |
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829 ('a b', NS(foo=['a', 'b'])), |
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833 class TestPositionalsNargsOptional(ParserTestCase): |
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834 """Tests an Optional Positional""" |
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836 argument_signatures = [Sig('foo', nargs='?')] |
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837 failures = ['-x', 'a b'] |
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839 ('', NS(foo=None)), |
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840 ('a', NS(foo='a')), |
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844 class TestPositionalsNargsOptionalDefault(ParserTestCase): |
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845 """Tests an Optional Positional with a default value""" |
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847 argument_signatures = [Sig('foo', nargs='?', default=42)] |
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848 failures = ['-x', 'a b'] |
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850 ('', NS(foo=42)), |
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851 ('a', NS(foo='a')), |
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853 |
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855 class TestPositionalsNargsOptionalConvertedDefault(ParserTestCase): |
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856 """Tests an Optional Positional with a default value |
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857 that needs to be converted to the appropriate type. |
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858 """ |
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860 argument_signatures = [ |
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861 Sig('foo', nargs='?', type=int, default='42'), |
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863 failures = ['-x', 'a b', '1 2'] |
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865 ('', NS(foo=42)), |
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866 ('1', NS(foo=1)), |
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870 class TestPositionalsNargsNoneNone(ParserTestCase): |
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871 """Test two Positionals that don't specify nargs""" |
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873 argument_signatures = [Sig('foo'), Sig('bar')] |
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874 failures = ['', '-x', 'a', 'a b c'] |
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876 ('a b', NS(foo='a', bar='b')), |
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880 class TestPositionalsNargsNone1(ParserTestCase): |
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881 """Test a Positional with no nargs followed by one with 1""" |
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883 argument_signatures = [Sig('foo'), Sig('bar', nargs=1)] |
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884 failures = ['', '--foo', 'a', 'a b c'] |
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886 ('a b', NS(foo='a', bar=['b'])), |
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890 class TestPositionalsNargs2None(ParserTestCase): |
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891 """Test a Positional with 2 nargs followed by one with none""" |
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893 argument_signatures = [Sig('foo', nargs=2), Sig('bar')] |
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894 failures = ['', '--foo', 'a', 'a b', 'a b c d'] |
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895 successes = [ |
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896 ('a b c', NS(foo=['a', 'b'], bar='c')), |
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899 |
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900 class TestPositionalsNargsNoneZeroOrMore(ParserTestCase): |
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901 """Test a Positional with no nargs followed by one with unlimited""" |
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903 argument_signatures = [Sig('foo'), Sig('bar', nargs='*')] |
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904 failures = ['', '--foo'] |
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906 ('a', NS(foo='a', bar=[])), |
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907 ('a b', NS(foo='a', bar=['b'])), |
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908 ('a b c', NS(foo='a', bar=['b', 'c'])), |
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910 |
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911 |
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912 class TestPositionalsNargsNoneOneOrMore(ParserTestCase): |
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913 """Test a Positional with no nargs followed by one with one or more""" |
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914 |
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915 argument_signatures = [Sig('foo'), Sig('bar', nargs='+')] |
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916 failures = ['', '--foo', 'a'] |
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917 successes = [ |
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918 ('a b', NS(foo='a', bar=['b'])), |
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919 ('a b c', NS(foo='a', bar=['b', 'c'])), |
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921 |
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922 |
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923 class TestPositionalsNargsNoneOptional(ParserTestCase): |
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924 """Test a Positional with no nargs followed by one with an Optional""" |
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925 |
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926 argument_signatures = [Sig('foo'), Sig('bar', nargs='?')] |
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927 failures = ['', '--foo', 'a b c'] |
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928 successes = [ |
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929 ('a', NS(foo='a', bar=None)), |
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930 ('a b', NS(foo='a', bar='b')), |
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931 ] |
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932 |
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933 |
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934 class TestPositionalsNargsZeroOrMoreNone(ParserTestCase): |
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935 """Test a Positional with unlimited nargs followed by one with none""" |
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936 |
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937 argument_signatures = [Sig('foo', nargs='*'), Sig('bar')] |
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938 failures = ['', '--foo'] |
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939 successes = [ |
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940 ('a', NS(foo=[], bar='a')), |
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941 ('a b', NS(foo=['a'], bar='b')), |
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942 ('a b c', NS(foo=['a', 'b'], bar='c')), |
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943 ] |
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944 |
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945 |
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946 class TestPositionalsNargsOneOrMoreNone(ParserTestCase): |
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947 """Test a Positional with one or more nargs followed by one with none""" |
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949 argument_signatures = [Sig('foo', nargs='+'), Sig('bar')] |
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950 failures = ['', '--foo', 'a'] |
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951 successes = [ |
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952 ('a b', NS(foo=['a'], bar='b')), |
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953 ('a b c', NS(foo=['a', 'b'], bar='c')), |
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955 |
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956 |
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957 class TestPositionalsNargsOptionalNone(ParserTestCase): |
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958 """Test a Positional with an Optional nargs followed by one with none""" |
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959 |
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960 argument_signatures = [Sig('foo', nargs='?', default=42), Sig('bar')] |
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961 failures = ['', '--foo', 'a b c'] |
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962 successes = [ |
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963 ('a', NS(foo=42, bar='a')), |
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964 ('a b', NS(foo='a', bar='b')), |
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966 |
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967 |
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968 class TestPositionalsNargs2ZeroOrMore(ParserTestCase): |
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969 """Test a Positional with 2 nargs followed by one with unlimited""" |
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971 argument_signatures = [Sig('foo', nargs=2), Sig('bar', nargs='*')] |
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972 failures = ['', '--foo', 'a'] |
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974 ('a b', NS(foo=['a', 'b'], bar=[])), |
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975 ('a b c', NS(foo=['a', 'b'], bar=['c'])), |
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977 |
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978 |
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979 class TestPositionalsNargs2OneOrMore(ParserTestCase): |
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980 """Test a Positional with 2 nargs followed by one with one or more""" |
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982 argument_signatures = [Sig('foo', nargs=2), Sig('bar', nargs='+')] |
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983 failures = ['', '--foo', 'a', 'a b'] |
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984 successes = [ |
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985 ('a b c', NS(foo=['a', 'b'], bar=['c'])), |
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987 |
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988 |
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989 class TestPositionalsNargs2Optional(ParserTestCase): |
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990 """Test a Positional with 2 nargs followed by one optional""" |
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992 argument_signatures = [Sig('foo', nargs=2), Sig('bar', nargs='?')] |
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993 failures = ['', '--foo', 'a', 'a b c d'] |
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995 ('a b', NS(foo=['a', 'b'], bar=None)), |
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1000 class TestPositionalsNargsZeroOrMore1(ParserTestCase): |
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1001 """Test a Positional with unlimited nargs followed by one with 1""" |
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1003 argument_signatures = [Sig('foo', nargs='*'), Sig('bar', nargs=1)] |
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1004 failures = ['', '--foo', ] |
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1012 class TestPositionalsNargsOneOrMore1(ParserTestCase): |
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1013 """Test a Positional with one or more nargs followed by one with 1""" |
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1015 argument_signatures = [Sig('foo', nargs='+'), Sig('bar', nargs=1)] |
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1016 failures = ['', '--foo', 'a'] |
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1019 ('a b c', NS(foo=['a', 'b'], bar=['c'])), |
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1023 class TestPositionalsNargsOptional1(ParserTestCase): |
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1024 """Test a Positional with an Optional nargs followed by one with 1""" |
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1026 argument_signatures = [Sig('foo', nargs='?'), Sig('bar', nargs=1)] |
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1027 failures = ['', '--foo', 'a b c'] |
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1028 successes = [ |
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1029 ('a', NS(foo=None, bar=['a'])), |
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1030 ('a b', NS(foo='a', bar=['b'])), |
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1034 class TestPositionalsNargsNoneZeroOrMore1(ParserTestCase): |
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1035 """Test three Positionals: no nargs, unlimited nargs and 1 nargs""" |
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1037 argument_signatures = [ |
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1038 Sig('foo'), |
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1039 Sig('bar', nargs='*'), |
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1040 Sig('baz', nargs=1), |
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1042 failures = ['', '--foo', 'a'] |
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1043 successes = [ |
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1044 ('a b', NS(foo='a', bar=[], baz=['b'])), |
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1045 ('a b c', NS(foo='a', bar=['b'], baz=['c'])), |
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1049 class TestPositionalsNargsNoneOneOrMore1(ParserTestCase): |
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1050 """Test three Positionals: no nargs, one or more nargs and 1 nargs""" |
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1052 argument_signatures = [ |
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1053 Sig('foo'), |
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1054 Sig('bar', nargs='+'), |
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1055 Sig('baz', nargs=1), |
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1057 failures = ['', '--foo', 'a', 'b'] |
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1058 successes = [ |
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1059 ('a b c', NS(foo='a', bar=['b'], baz=['c'])), |
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1060 ('a b c d', NS(foo='a', bar=['b', 'c'], baz=['d'])), |
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1064 class TestPositionalsNargsNoneOptional1(ParserTestCase): |
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1065 """Test three Positionals: no nargs, optional narg and 1 nargs""" |
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1067 argument_signatures = [ |
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1068 Sig('foo'), |
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1069 Sig('bar', nargs='?', default=0.625), |
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1070 Sig('baz', nargs=1), |
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1072 failures = ['', '--foo', 'a'] |
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1073 successes = [ |
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1074 ('a b', NS(foo='a', bar=0.625, baz=['b'])), |
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1075 ('a b c', NS(foo='a', bar='b', baz=['c'])), |
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1079 class TestPositionalsNargsOptionalOptional(ParserTestCase): |
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1080 """Test two optional nargs""" |
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1082 argument_signatures = [ |
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1083 Sig('foo', nargs='?'), |
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1084 Sig('bar', nargs='?', default=42), |
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1086 failures = ['--foo', 'a b c'] |
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1088 ('', NS(foo=None, bar=42)), |
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1089 ('a', NS(foo='a', bar=42)), |
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1090 ('a b', NS(foo='a', bar='b')), |
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1094 class TestPositionalsNargsOptionalZeroOrMore(ParserTestCase): |
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1095 """Test an Optional narg followed by unlimited nargs""" |
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1097 argument_signatures = [Sig('foo', nargs='?'), Sig('bar', nargs='*')] |
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1098 failures = ['--foo'] |
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1100 ('', NS(foo=None, bar=[])), |
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1107 class TestPositionalsNargsOptionalOneOrMore(ParserTestCase): |
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1108 """Test an Optional narg followed by one or more nargs""" |
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1110 argument_signatures = [Sig('foo', nargs='?'), Sig('bar', nargs='+')] |
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1111 failures = ['', '--foo'] |
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1112 successes = [ |
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1113 ('a', NS(foo=None, bar=['a'])), |
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1114 ('a b', NS(foo='a', bar=['b'])), |
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1115 ('a b c', NS(foo='a', bar=['b', 'c'])), |
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1116 ] |
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1117 |
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1118 |
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1119 class TestPositionalsChoicesString(ParserTestCase): |
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1120 """Test a set of single-character choices""" |
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1121 |
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1122 argument_signatures = [Sig('spam', choices=set('abcdefg'))] |
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1123 failures = ['', '--foo', 'h', '42', 'ef'] |
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1124 successes = [ |
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1125 ('a', NS(spam='a')), |
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1126 ('g', NS(spam='g')), |
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1128 |
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1129 |
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1130 class TestPositionalsChoicesInt(ParserTestCase): |
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1131 """Test a set of integer choices""" |
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1132 |
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1133 argument_signatures = [Sig('spam', type=int, choices=range(20))] |
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1134 failures = ['', '--foo', 'h', '42', 'ef'] |
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1135 successes = [ |
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1136 ('4', NS(spam=4)), |
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1137 ('15', NS(spam=15)), |
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1138 ] |
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1139 |
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1140 |
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1141 class TestPositionalsActionAppend(ParserTestCase): |
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1142 """Test the 'append' action""" |
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1143 |
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1144 argument_signatures = [ |
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1145 Sig('spam', action='append'), |
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1146 Sig('spam', action='append', nargs=2), |
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1148 failures = ['', '--foo', 'a', 'a b', 'a b c d'] |
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1149 successes = [ |
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1150 ('a b c', NS(spam=['a', ['b', 'c']])), |
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1151 ] |
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1152 |
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1153 # ======================================== |
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1154 # Combined optionals and positionals tests |
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1155 # ======================================== |
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1156 |
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1157 class TestOptionalsNumericAndPositionals(ParserTestCase): |
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1158 """Tests negative number args when numeric options are present""" |
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1159 |
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1160 argument_signatures = [ |
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1161 Sig('x', nargs='?'), |
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1162 Sig('-4', dest='y', action='store_true'), |
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1163 ] |
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1164 failures = ['-2', '-315'] |
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1165 successes = [ |
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1166 ('', NS(x=None, y=False)), |
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1167 ('a', NS(x='a', y=False)), |
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1168 ('-4', NS(x=None, y=True)), |
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1169 ('-4 a', NS(x='a', y=True)), |
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1171 |
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1172 |
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1173 class TestOptionalsAlmostNumericAndPositionals(ParserTestCase): |
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1174 """Tests negative number args when almost numeric options are present""" |
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1175 |
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1176 argument_signatures = [ |
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1177 Sig('x', nargs='?'), |
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1178 Sig('-k4', dest='y', action='store_true'), |
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1180 failures = ['-k3'] |
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1181 successes = [ |
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1182 ('', NS(x=None, y=False)), |
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1183 ('-2', NS(x='-2', y=False)), |
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1184 ('a', NS(x='a', y=False)), |
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1185 ('-k4', NS(x=None, y=True)), |
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1186 ('-k4 a', NS(x='a', y=True)), |
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1188 |
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1189 |
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1190 class TestEmptyAndSpaceContainingArguments(ParserTestCase): |
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1192 argument_signatures = [ |
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1193 Sig('x', nargs='?'), |
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1194 Sig('-y', '--yyy', dest='y'), |
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1196 failures = ['-y'] |
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1197 successes = [ |
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1198 ([''], NS(x='', y=None)), |
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1199 (['a badger'], NS(x='a badger', y=None)), |
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1200 (['-a badger'], NS(x='-a badger', y=None)), |
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1201 (['-y', ''], NS(x=None, y='')), |
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1202 (['-y', 'a badger'], NS(x=None, y='a badger')), |
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1203 (['-y', '-a badger'], NS(x=None, y='-a badger')), |
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1204 (['--yyy=a badger'], NS(x=None, y='a badger')), |
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1205 (['--yyy=-a badger'], NS(x=None, y='-a badger')), |
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1207 |
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1208 |
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1209 class TestPrefixCharacterOnlyArguments(ParserTestCase): |
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1211 parser_signature = Sig(prefix_chars='-+') |
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1212 argument_signatures = [ |
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1213 Sig('-', dest='x', nargs='?', const='badger'), |
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1214 Sig('+', dest='y', type=int, default=42), |
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1215 Sig('-+-', dest='z', action='store_true'), |
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1217 failures = ['-y', '+ -'] |
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1218 successes = [ |
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1219 ('', NS(x=None, y=42, z=False)), |
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1220 ('-', NS(x='badger', y=42, z=False)), |
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1221 ('- X', NS(x='X', y=42, z=False)), |
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1222 ('+ -3', NS(x=None, y=-3, z=False)), |
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1223 ('-+-', NS(x=None, y=42, z=True)), |
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1224 ('- ===', NS(x='===', y=42, z=False)), |
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1226 |
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1227 |
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1228 class TestNargsZeroOrMore(ParserTestCase): |
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1229 """Tests specifying an args for an Optional that accepts zero or more""" |
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1230 |
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1231 argument_signatures = [Sig('-x', nargs='*'), Sig('y', nargs='*')] |
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1232 failures = [] |
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1233 successes = [ |
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1234 ('', NS(x=None, y=[])), |
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1235 ('-x', NS(x=[], y=[])), |
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1236 ('-x a', NS(x=['a'], y=[])), |
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1237 ('-x a -- b', NS(x=['a'], y=['b'])), |
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1238 ('a', NS(x=None, y=['a'])), |
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1239 ('a -x', NS(x=[], y=['a'])), |
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1240 ('a -x b', NS(x=['b'], y=['a'])), |
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1241 ] |
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1242 |
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1243 |
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1244 class TestNargsRemainder(ParserTestCase): |
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1245 """Tests specifying a positional with nargs=REMAINDER""" |
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1246 |
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1247 argument_signatures = [Sig('x'), Sig('y', nargs='...'), Sig('-z')] |
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1248 failures = ['', '-z', '-z Z'] |
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1249 successes = [ |
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1250 ('X', NS(x='X', y=[], z=None)), |
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1251 ('-z Z X', NS(x='X', y=[], z='Z')), |
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1252 ('X A B -z Z', NS(x='X', y=['A', 'B', '-z', 'Z'], z=None)), |
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1253 ('X Y --foo', NS(x='X', y=['Y', '--foo'], z=None)), |
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1254 ] |
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1255 |
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1256 |
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1257 class TestOptionLike(ParserTestCase): |
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1258 """Tests options that may or may not be arguments""" |
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1259 |
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1260 argument_signatures = [ |
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1261 Sig('-x', type=float), |
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1262 Sig('-3', type=float, dest='y'), |
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1263 Sig('z', nargs='*'), |
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1265 failures = ['-x', '-y2.5', '-xa', '-x -a', |
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1266 '-x -3', '-x -3.5', '-3 -3.5', |
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1267 '-x -2.5', '-x -2.5 a', '-3 -.5', |
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1268 'a x -1', '-x -1 a', '-3 -1 a'] |
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1269 successes = [ |
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1270 ('', NS(x=None, y=None, z=[])), |
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1271 ('-x 2.5', NS(x=2.5, y=None, z=[])), |
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1272 ('-x 2.5 a', NS(x=2.5, y=None, z=['a'])), |
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1273 ('-3.5', NS(x=None, y=0.5, z=[])), |
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1274 ('-3-.5', NS(x=None, y=-0.5, z=[])), |
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1275 ('-3 .5', NS(x=None, y=0.5, z=[])), |
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1276 ('a -3.5', NS(x=None, y=0.5, z=['a'])), |
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1277 ('a', NS(x=None, y=None, z=['a'])), |
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1278 ('a -x 1', NS(x=1.0, y=None, z=['a'])), |
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1279 ('-x 1 a', NS(x=1.0, y=None, z=['a'])), |
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1280 ('-3 1 a', NS(x=None, y=1.0, z=['a'])), |
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1282 |
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1283 |
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1284 class TestDefaultSuppress(ParserTestCase): |
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1285 """Test actions with suppressed defaults""" |
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1286 |
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1287 argument_signatures = [ |
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1288 Sig('foo', nargs='?', default=argparse.SUPPRESS), |
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1289 Sig('bar', nargs='*', default=argparse.SUPPRESS), |
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1290 Sig('--baz', action='store_true', default=argparse.SUPPRESS), |
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1292 failures = ['-x'] |
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1293 successes = [ |
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1294 ('', NS()), |
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1295 ('a', NS(foo='a')), |
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1296 ('a b', NS(foo='a', bar=['b'])), |
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1297 ('--baz', NS(baz=True)), |
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1298 ('a --baz', NS(foo='a', baz=True)), |
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1299 ('--baz a b', NS(foo='a', bar=['b'], baz=True)), |
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1301 |
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1303 class TestParserDefaultSuppress(ParserTestCase): |
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1304 """Test actions with a parser-level default of SUPPRESS""" |
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1306 parser_signature = Sig(argument_default=argparse.SUPPRESS) |
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1307 argument_signatures = [ |
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1308 Sig('foo', nargs='?'), |
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1309 Sig('bar', nargs='*'), |
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1310 Sig('--baz', action='store_true'), |
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1312 failures = ['-x'] |
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1313 successes = [ |
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1314 ('', NS()), |
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1315 ('a', NS(foo='a')), |
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1316 ('a b', NS(foo='a', bar=['b'])), |
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1317 ('--baz', NS(baz=True)), |
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1318 ('a --baz', NS(foo='a', baz=True)), |
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1319 ('--baz a b', NS(foo='a', bar=['b'], baz=True)), |
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1321 |
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1322 |
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1323 class TestParserDefault42(ParserTestCase): |
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1324 """Test actions with a parser-level default of 42""" |
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1326 parser_signature = Sig(argument_default=42, version='1.0') |
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1327 argument_signatures = [ |
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1328 Sig('foo', nargs='?'), |
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1329 Sig('bar', nargs='*'), |
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1330 Sig('--baz', action='store_true'), |
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1331 ] |
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1332 failures = ['-x'] |
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1333 successes = [ |
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1334 ('', NS(foo=42, bar=42, baz=42)), |
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1335 ('a', NS(foo='a', bar=42, baz=42)), |
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1336 ('a b', NS(foo='a', bar=['b'], baz=42)), |
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1337 ('--baz', NS(foo=42, bar=42, baz=True)), |
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1338 ('a --baz', NS(foo='a', bar=42, baz=True)), |
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1339 ('--baz a b', NS(foo='a', bar=['b'], baz=True)), |
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1340 ] |
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1341 |
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1342 |
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1343 class TestArgumentsFromFile(TempDirMixin, ParserTestCase): |
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1344 """Test reading arguments from a file""" |
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1345 |
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1346 def setUp(self): |
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1347 super(TestArgumentsFromFile, self).setUp() |
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1348 file_texts = [ |
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1349 ('hello', 'hello world!\n'), |
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1350 ('recursive', '-a\n' |
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1351 'A\n' |
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1352 '@hello'), |
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1353 ('invalid', '@no-such-path\n'), |
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1354 ] |
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1355 for path, text in file_texts: |
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1356 file = open(path, 'w') |
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1357 file.write(text) |
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1358 file.close() |
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1359 |
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1360 parser_signature = Sig(fromfile_prefix_chars='@') |
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1361 argument_signatures = [ |
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1362 Sig('-a'), |
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1363 Sig('x'), |
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1364 Sig('y', nargs='+'), |
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1365 ] |
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1366 failures = ['', '-b', 'X', '@invalid', '@missing'] |
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1367 successes = [ |
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1368 ('X Y', NS(a=None, x='X', y=['Y'])), |
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1369 ('X -a A Y Z', NS(a='A', x='X', y=['Y', 'Z'])), |
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1370 ('@hello X', NS(a=None, x='hello world!', y=['X'])), |
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1371 ('X @hello', NS(a=None, x='X', y=['hello world!'])), |
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1372 ('-a B @recursive Y Z', NS(a='A', x='hello world!', y=['Y', 'Z'])), |
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1373 ('X @recursive Z -a B', NS(a='B', x='X', y=['hello world!', 'Z'])), |
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1374 ] |
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1375 |
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1376 |
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1377 class TestArgumentsFromFileConverter(TempDirMixin, ParserTestCase): |
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1378 """Test reading arguments from a file""" |
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1379 |
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1380 def setUp(self): |
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1381 super(TestArgumentsFromFileConverter, self).setUp() |
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1382 file_texts = [ |
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1383 ('hello', 'hello world!\n'), |
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1384 ] |
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1385 for path, text in file_texts: |
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1386 file = open(path, 'w') |
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1387 file.write(text) |
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1388 file.close() |
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1389 |
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1390 class FromFileConverterArgumentParser(ErrorRaisingArgumentParser): |
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1391 |
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1392 def convert_arg_line_to_args(self, arg_line): |
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1393 for arg in arg_line.split(): |
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1394 if not arg.strip(): |
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1395 continue |
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1396 yield arg |
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1397 parser_class = FromFileConverterArgumentParser |
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1398 parser_signature = Sig(fromfile_prefix_chars='@') |
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1399 argument_signatures = [ |
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1400 Sig('y', nargs='+'), |
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1401 ] |
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1402 failures = [] |
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1403 successes = [ |
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1404 ('@hello X', NS(y=['hello', 'world!', 'X'])), |
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1405 ] |
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1406 |
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1407 |
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1408 # ===================== |
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1409 # Type conversion tests |
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1410 # ===================== |
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1411 |
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1412 class TestFileTypeRepr(TestCase): |
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1413 |
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1414 def test_r(self): |
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1415 type = argparse.FileType('r') |
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1416 self.assertEqual("FileType('r')", repr(type)) |
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1417 |
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1418 def test_wb_1(self): |
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1419 type = argparse.FileType('wb', 1) |
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1420 self.assertEqual("FileType('wb', 1)", repr(type)) |
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1421 |
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1422 |
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1423 class RFile(object): |
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1424 seen = {} |
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1425 |
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1426 def __init__(self, name): |
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1427 self.name = name |
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1428 |
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1429 def __eq__(self, other): |
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1430 if other in self.seen: |
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1431 text = self.seen[other] |
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1432 else: |
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1433 text = self.seen[other] = other.read() |
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1434 other.close() |
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1435 if not isinstance(text, str): |
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1436 text = text.decode('ascii') |
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1437 return self.name == other.name == text |
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1438 |
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1439 |
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1440 class TestFileTypeR(TempDirMixin, ParserTestCase): |
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1441 """Test the FileType option/argument type for reading files""" |
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1442 |
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1443 def setUp(self): |
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1444 super(TestFileTypeR, self).setUp() |
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1445 for file_name in ['foo', 'bar']: |
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1446 file = open(os.path.join(self.temp_dir, file_name), 'w') |
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1447 file.write(file_name) |
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1448 file.close() |
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1449 self.create_readonly_file('readonly') |
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1450 |
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1451 argument_signatures = [ |
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1452 Sig('-x', type=argparse.FileType()), |
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1453 Sig('spam', type=argparse.FileType('r')), |
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1454 ] |
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1455 failures = ['-x', '', 'non-existent-file.txt'] |
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1456 successes = [ |
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1457 ('foo', NS(x=None, spam=RFile('foo'))), |
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1458 ('-x foo bar', NS(x=RFile('foo'), spam=RFile('bar'))), |
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1459 ('bar -x foo', NS(x=RFile('foo'), spam=RFile('bar'))), |
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1460 ('-x - -', NS(x=sys.stdin, spam=sys.stdin)), |
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1461 ('readonly', NS(x=None, spam=RFile('readonly'))), |
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1462 ] |
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1463 |
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1464 |
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1465 class TestFileTypeRB(TempDirMixin, ParserTestCase): |
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1466 """Test the FileType option/argument type for reading files""" |
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1467 |
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1468 def setUp(self): |
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1469 super(TestFileTypeRB, self).setUp() |
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1470 for file_name in ['foo', 'bar']: |
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1471 file = open(os.path.join(self.temp_dir, file_name), 'w') |
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1472 file.write(file_name) |
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1473 file.close() |
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1474 |
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1475 argument_signatures = [ |
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1476 Sig('-x', type=argparse.FileType('rb')), |
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1477 Sig('spam', type=argparse.FileType('rb')), |
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1478 ] |
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1479 failures = ['-x', ''] |
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1480 successes = [ |
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1481 ('foo', NS(x=None, spam=RFile('foo'))), |
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1482 ('-x foo bar', NS(x=RFile('foo'), spam=RFile('bar'))), |
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1483 ('bar -x foo', NS(x=RFile('foo'), spam=RFile('bar'))), |
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1484 ('-x - -', NS(x=sys.stdin, spam=sys.stdin)), |
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1485 ] |
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1486 |
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1487 |
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1488 class WFile(object): |
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1489 seen = set() |
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1490 |
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1491 def __init__(self, name): |
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1492 self.name = name |
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1493 |
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1494 def __eq__(self, other): |
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1495 if other not in self.seen: |
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1496 text = 'Check that file is writable.' |
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1497 if 'b' in other.mode: |
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1498 text = text.encode('ascii') |
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1499 other.write(text) |
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1500 other.close() |
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1501 self.seen.add(other) |
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1502 return self.name == other.name |
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1503 |
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1504 |
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1505 class TestFileTypeW(TempDirMixin, ParserTestCase): |
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1506 """Test the FileType option/argument type for writing files""" |
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1507 |
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1508 def setUp(self): |
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1509 super(TestFileTypeW, self).setUp() |
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1510 self.create_readonly_file('readonly') |
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1511 |
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1512 argument_signatures = [ |
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1513 Sig('-x', type=argparse.FileType('w')), |
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1514 Sig('spam', type=argparse.FileType('w')), |
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1515 ] |
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1516 failures = ['-x', '', 'readonly'] |
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1517 successes = [ |
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1518 ('foo', NS(x=None, spam=WFile('foo'))), |
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1519 ('-x foo bar', NS(x=WFile('foo'), spam=WFile('bar'))), |
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1520 ('bar -x foo', NS(x=WFile('foo'), spam=WFile('bar'))), |
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1521 ('-x - -', NS(x=sys.stdout, spam=sys.stdout)), |
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1522 ] |
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1523 |
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1524 |
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1525 class TestFileTypeWB(TempDirMixin, ParserTestCase): |
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1526 |
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1527 argument_signatures = [ |
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1528 Sig('-x', type=argparse.FileType('wb')), |
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1529 Sig('spam', type=argparse.FileType('wb')), |
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1531 failures = ['-x', ''] |
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1532 successes = [ |
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1533 ('foo', NS(x=None, spam=WFile('foo'))), |
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1534 ('-x foo bar', NS(x=WFile('foo'), spam=WFile('bar'))), |
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1535 ('bar -x foo', NS(x=WFile('foo'), spam=WFile('bar'))), |
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1536 ('-x - -', NS(x=sys.stdout, spam=sys.stdout)), |
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1537 ] |
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1538 |
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1540 class TestTypeCallable(ParserTestCase): |
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1541 """Test some callables as option/argument types""" |
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1543 argument_signatures = [ |
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1544 Sig('--eggs', type=complex), |
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1545 Sig('spam', type=float), |
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1546 ] |
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1547 failures = ['a', '42j', '--eggs a', '--eggs 2i'] |
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1548 successes = [ |
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1549 ('--eggs=42 42', NS(eggs=42, spam=42.0)), |
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1550 ('--eggs 2j -- -1.5', NS(eggs=2j, spam=-1.5)), |
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1551 ('1024.675', NS(eggs=None, spam=1024.675)), |
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1552 ] |
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1553 |
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1554 |
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1555 class TestTypeUserDefined(ParserTestCase): |
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1556 """Test a user-defined option/argument type""" |
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1557 |
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1558 class MyType(TestCase): |
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1559 |
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1560 def __init__(self, value): |
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1561 self.value = value |
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1562 |
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1563 def __eq__(self, other): |
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1564 return (type(self), self.value) == (type(other), other.value) |
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1565 |
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1566 argument_signatures = [ |
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1567 Sig('-x', type=MyType), |
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1568 Sig('spam', type=MyType), |
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1569 ] |
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1570 failures = [] |
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1571 successes = [ |
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1572 ('a -x b', NS(x=MyType('b'), spam=MyType('a'))), |
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1573 ('-xf g', NS(x=MyType('f'), spam=MyType('g'))), |
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1574 ] |
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1575 |
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1576 |
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1577 class TestTypeClassicClass(ParserTestCase): |
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1578 """Test a classic class type""" |
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1579 |
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1580 class C: |
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1581 |
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1582 def __init__(self, value): |
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1583 self.value = value |
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1584 |
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1585 def __eq__(self, other): |
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1586 return (type(self), self.value) == (type(other), other.value) |
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1587 |
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1588 argument_signatures = [ |
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1589 Sig('-x', type=C), |
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1590 Sig('spam', type=C), |
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1591 ] |
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1592 failures = [] |
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1593 successes = [ |
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1594 ('a -x b', NS(x=C('b'), spam=C('a'))), |
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1595 ('-xf g', NS(x=C('f'), spam=C('g'))), |
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1596 ] |
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1597 |
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1598 |
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1599 class TestTypeRegistration(TestCase): |
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1600 """Test a user-defined type by registering it""" |
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1601 |
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1602 def test(self): |
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1603 |
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1604 def get_my_type(string): |
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1605 return 'my_type{%s}' % string |
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1606 |
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1607 parser = argparse.ArgumentParser() |
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1608 parser.register('type', 'my_type', get_my_type) |
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1609 parser.add_argument('-x', type='my_type') |
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1610 parser.add_argument('y', type='my_type') |
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1611 |
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1612 self.assertEqual(parser.parse_args('1'.split()), |
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1613 NS(x=None, y='my_type{1}')) |
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1614 self.assertEqual(parser.parse_args('-x 1 42'.split()), |
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1615 NS(x='my_type{1}', y='my_type{42}')) |
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1616 |
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1617 |
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1618 # ============ |
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1619 # Action tests |
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1620 # ============ |
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1621 |
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1622 class TestActionUserDefined(ParserTestCase): |
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1623 """Test a user-defined option/argument action""" |
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1624 |
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1625 class OptionalAction(argparse.Action): |
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1626 |
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1627 def __call__(self, parser, namespace, value, option_string=None): |
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1628 try: |
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1629 # check destination and option string |
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1630 assert self.dest == 'spam', 'dest: %s' % self.dest |
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1631 assert option_string == '-s', 'flag: %s' % option_string |
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1632 # when option is before argument, badger=2, and when |
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1633 # option is after argument, badger=<whatever was set> |
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1634 expected_ns = NS(spam=0.25) |
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1635 if value in [0.125, 0.625]: |
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1636 expected_ns.badger = 2 |
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1637 elif value in [2.0]: |
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1638 expected_ns.badger = 84 |
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1639 else: |
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1640 raise AssertionError('value: %s' % value) |
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1641 assert expected_ns == namespace, ('expected %s, got %s' % |
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1642 (expected_ns, namespace)) |
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1643 except AssertionError: |
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1644 e = sys.exc_info()[1] |
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1645 raise ArgumentParserError('opt_action failed: %s' % e) |
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1646 setattr(namespace, 'spam', value) |
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1647 |
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1648 class PositionalAction(argparse.Action): |
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1649 |
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1650 def __call__(self, parser, namespace, value, option_string=None): |
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1651 try: |
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1652 assert option_string is None, ('option_string: %s' % |
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1653 option_string) |
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1654 # check destination |
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1655 assert self.dest == 'badger', 'dest: %s' % self.dest |
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1656 # when argument is before option, spam=0.25, and when |
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1657 # option is after argument, spam=<whatever was set> |
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1658 expected_ns = NS(badger=2) |
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1659 if value in [42, 84]: |
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1660 expected_ns.spam = 0.25 |
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1661 elif value in [1]: |
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1662 expected_ns.spam = 0.625 |
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1663 elif value in [2]: |
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1664 expected_ns.spam = 0.125 |
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1665 else: |
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1666 raise AssertionError('value: %s' % value) |
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1667 assert expected_ns == namespace, ('expected %s, got %s' % |
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1668 (expected_ns, namespace)) |
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1669 except AssertionError: |
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1670 e = sys.exc_info()[1] |
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1671 raise ArgumentParserError('arg_action failed: %s' % e) |
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1672 setattr(namespace, 'badger', value) |
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1673 |
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1674 argument_signatures = [ |
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1675 Sig('-s', dest='spam', action=OptionalAction, |
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1676 type=float, default=0.25), |
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1677 Sig('badger', action=PositionalAction, |
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1678 type=int, nargs='?', default=2), |
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1679 ] |
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1680 failures = [] |
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1681 successes = [ |
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1682 ('-s0.125', NS(spam=0.125, badger=2)), |
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1683 ('42', NS(spam=0.25, badger=42)), |
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1684 ('-s 0.625 1', NS(spam=0.625, badger=1)), |
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1685 ('84 -s2', NS(spam=2.0, badger=84)), |
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1686 ] |
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1687 |
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1688 |
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1689 class TestActionRegistration(TestCase): |
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1690 """Test a user-defined action supplied by registering it""" |
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1691 |
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1692 class MyAction(argparse.Action): |
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1693 |
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1694 def __call__(self, parser, namespace, values, option_string=None): |
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1695 setattr(namespace, self.dest, 'foo[%s]' % values) |
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1696 |
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1697 def test(self): |
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1698 |
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1699 parser = argparse.ArgumentParser() |
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1700 parser.register('action', 'my_action', self.MyAction) |
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1701 parser.add_argument('badger', action='my_action') |
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1702 |
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1703 self.assertEqual(parser.parse_args(['1']), NS(badger='foo[1]')) |
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1704 self.assertEqual(parser.parse_args(['42']), NS(badger='foo[42]')) |
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1705 |
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1706 |
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1707 # ================ |
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1708 # Subparsers tests |
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1709 # ================ |
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1710 |
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1711 class TestAddSubparsers(TestCase): |
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1712 """Test the add_subparsers method""" |
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1713 |
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1714 def assertArgumentParserError(self, *args, **kwargs): |
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1715 self.assertRaises(ArgumentParserError, *args, **kwargs) |
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1716 |
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1717 def _get_parser(self, subparser_help=False, prefix_chars=None, |
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1718 aliases=False): |
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1719 # create a parser with a subparsers argument |
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1720 if prefix_chars: |
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1721 parser = ErrorRaisingArgumentParser( |
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1722 prog='PROG', description='main description', prefix_chars=prefix_chars) |
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1723 parser.add_argument( |
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1724 prefix_chars[0] * 2 + 'foo', action='store_true', help='foo help') |
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1725 else: |
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1726 parser = ErrorRaisingArgumentParser( |
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1727 prog='PROG', description='main description') |
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1728 parser.add_argument( |
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1729 '--foo', action='store_true', help='foo help') |
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1730 parser.add_argument( |
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1731 'bar', type=float, help='bar help') |
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1732 |
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1733 # check that only one subparsers argument can be added |
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1734 subparsers_kwargs = {} |
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1735 if aliases: |
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1736 subparsers_kwargs['metavar'] = 'COMMAND' |
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1737 subparsers_kwargs['title'] = 'commands' |
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1738 else: |
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1739 subparsers_kwargs['help'] = 'command help' |
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1740 subparsers = parser.add_subparsers(**subparsers_kwargs) |
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1741 self.assertArgumentParserError(parser.add_subparsers) |
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1742 |
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1743 # add first sub-parser |
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1744 parser1_kwargs = dict(description='1 description') |
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1745 if subparser_help: |
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1746 parser1_kwargs['help'] = '1 help' |
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1747 if aliases: |
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1748 parser1_kwargs['aliases'] = ['1alias1', '1alias2'] |
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1749 parser1 = subparsers.add_parser('1', **parser1_kwargs) |
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1750 parser1.add_argument('-w', type=int, help='w help') |
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1751 parser1.add_argument('x', choices='abc', help='x help') |
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1752 |
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1753 # add second sub-parser |
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1754 parser2_kwargs = dict(description='2 description') |
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1755 if subparser_help: |
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1756 parser2_kwargs['help'] = '2 help' |
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1757 parser2 = subparsers.add_parser('2', **parser2_kwargs) |
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1758 parser2.add_argument('-y', choices='123', help='y help') |
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1759 parser2.add_argument('z', type=complex, nargs='*', help='z help') |
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1760 |
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1761 # return the main parser |
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1762 return parser |
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1763 |
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1764 def setUp(self): |
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1765 super().setUp() |
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1766 self.parser = self._get_parser() |
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1767 self.command_help_parser = self._get_parser(subparser_help=True) |
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1768 |
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1769 def test_parse_args_failures(self): |
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1770 # check some failure cases: |
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1771 for args_str in ['', 'a', 'a a', '0.5 a', '0.5 1', |
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1772 '0.5 1 -y', '0.5 2 -w']: |
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1773 args = args_str.split() |
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1774 self.assertArgumentParserError(self.parser.parse_args, args) |
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1775 |
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1776 def test_parse_args(self): |
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1777 # check some non-failure cases: |
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1778 self.assertEqual( |
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1779 self.parser.parse_args('0.5 1 b -w 7'.split()), |
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1780 NS(foo=False, bar=0.5, w=7, x='b'), |
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1781 ) |
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1782 self.assertEqual( |
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1783 self.parser.parse_args('0.25 --foo 2 -y 2 3j -- -1j'.split()), |
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1784 NS(foo=True, bar=0.25, y='2', z=[3j, -1j]), |
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1785 ) |
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1786 self.assertEqual( |
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1787 self.parser.parse_args('--foo 0.125 1 c'.split()), |
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1788 NS(foo=True, bar=0.125, w=None, x='c'), |
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1789 ) |
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1790 |
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1791 def test_parse_known_args(self): |
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1792 self.assertEqual( |
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1793 self.parser.parse_known_args('0.5 1 b -w 7'.split()), |
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1794 (NS(foo=False, bar=0.5, w=7, x='b'), []), |
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1795 ) |
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1796 self.assertEqual( |
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1797 self.parser.parse_known_args('0.5 -p 1 b -w 7'.split()), |
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1798 (NS(foo=False, bar=0.5, w=7, x='b'), ['-p']), |
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1799 ) |
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1800 self.assertEqual( |
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1801 self.parser.parse_known_args('0.5 1 b -w 7 -p'.split()), |
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1802 (NS(foo=False, bar=0.5, w=7, x='b'), ['-p']), |
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1803 ) |
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1804 self.assertEqual( |
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1805 self.parser.parse_known_args('0.5 1 b -q -rs -w 7'.split()), |
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1806 (NS(foo=False, bar=0.5, w=7, x='b'), ['-q', '-rs']), |
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1807 ) |
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1808 self.assertEqual( |
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1809 self.parser.parse_known_args('0.5 -W 1 b -X Y -w 7 Z'.split()), |
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1810 (NS(foo=False, bar=0.5, w=7, x='b'), ['-W', '-X', 'Y', 'Z']), |
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1811 ) |
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1812 |
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1813 def test_dest(self): |
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1814 parser = ErrorRaisingArgumentParser() |
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1815 parser.add_argument('--foo', action='store_true') |
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1816 subparsers = parser.add_subparsers(dest='bar') |
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1817 parser1 = subparsers.add_parser('1') |
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1818 parser1.add_argument('baz') |
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1819 self.assertEqual(NS(foo=False, bar='1', baz='2'), |
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1820 parser.parse_args('1 2'.split())) |
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1821 |
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1822 def test_help(self): |
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1823 self.assertEqual(self.parser.format_usage(), |
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1824 'usage: PROG [-h] [--foo] bar {1,2} ...\n') |
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1825 self.assertEqual(self.parser.format_help(), textwrap.dedent('''\ |
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1826 usage: PROG [-h] [--foo] bar {1,2} ... |
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1827 |
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1828 main description |
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1829 |
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1830 positional arguments: |
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1831 bar bar help |
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1832 {1,2} command help |
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1833 |
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1834 optional arguments: |
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1835 -h, --help show this help message and exit |
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1836 --foo foo help |
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1837 ''')) |
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1838 |
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1839 def test_help_extra_prefix_chars(self): |
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1840 # Make sure - is still used for help if it is a non-first prefix char |
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1841 parser = self._get_parser(prefix_chars='+:-') |
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1842 self.assertEqual(parser.format_usage(), |
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1843 'usage: PROG [-h] [++foo] bar {1,2} ...\n') |
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1844 self.assertEqual(parser.format_help(), textwrap.dedent('''\ |
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1845 usage: PROG [-h] [++foo] bar {1,2} ... |
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1846 |
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1847 main description |
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1848 |
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1849 positional arguments: |
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1850 bar bar help |
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1851 {1,2} command help |
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1852 |
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1853 optional arguments: |
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1854 -h, --help show this help message and exit |
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1855 ++foo foo help |
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1856 ''')) |
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1857 |
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1858 |
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1859 def test_help_alternate_prefix_chars(self): |
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1860 parser = self._get_parser(prefix_chars='+:/') |
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1861 self.assertEqual(parser.format_usage(), |
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1862 'usage: PROG [+h] [++foo] bar {1,2} ...\n') |
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1863 self.assertEqual(parser.format_help(), textwrap.dedent('''\ |
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1864 usage: PROG [+h] [++foo] bar {1,2} ... |
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1865 |
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1866 main description |
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1867 |
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1868 positional arguments: |
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1869 bar bar help |
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1870 {1,2} command help |
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1871 |
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1872 optional arguments: |
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1873 +h, ++help show this help message and exit |
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1874 ++foo foo help |
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1875 ''')) |
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1876 |
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1877 def test_parser_command_help(self): |
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1878 self.assertEqual(self.command_help_parser.format_usage(), |
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1879 'usage: PROG [-h] [--foo] bar {1,2} ...\n') |
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1880 self.assertEqual(self.command_help_parser.format_help(), |
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1881 textwrap.dedent('''\ |
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1882 usage: PROG [-h] [--foo] bar {1,2} ... |
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1883 |
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1884 main description |
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1885 |
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1886 positional arguments: |
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1887 bar bar help |
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1888 {1,2} command help |
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1889 1 1 help |
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1890 2 2 help |
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1891 |
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1892 optional arguments: |
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1893 -h, --help show this help message and exit |
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1894 --foo foo help |
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1895 ''')) |
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1896 |
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1897 def test_subparser_title_help(self): |
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1898 parser = ErrorRaisingArgumentParser(prog='PROG', |
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1899 description='main description') |
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1900 parser.add_argument('--foo', action='store_true', help='foo help') |
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1901 parser.add_argument('bar', help='bar help') |
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1902 subparsers = parser.add_subparsers(title='subcommands', |
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1903 description='command help', |
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1904 help='additional text') |
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1905 parser1 = subparsers.add_parser('1') |
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1906 parser2 = subparsers.add_parser('2') |
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1907 self.assertEqual(parser.format_usage(), |
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1908 'usage: PROG [-h] [--foo] bar {1,2} ...\n') |
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1909 self.assertEqual(parser.format_help(), textwrap.dedent('''\ |
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1910 usage: PROG [-h] [--foo] bar {1,2} ... |
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1911 |
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1912 main description |
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1913 |
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1914 positional arguments: |
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1915 bar bar help |
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1916 |
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1917 optional arguments: |
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1918 -h, --help show this help message and exit |
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1919 --foo foo help |
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1920 |
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1921 subcommands: |
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1922 command help |
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1923 |
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1924 {1,2} additional text |
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1925 ''')) |
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1926 |
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1927 def _test_subparser_help(self, args_str, expected_help): |
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1928 try: |
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1929 self.parser.parse_args(args_str.split()) |
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1930 except ArgumentParserError: |
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1931 err = sys.exc_info()[1] |
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1932 if err.stdout != expected_help: |
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1933 print(repr(expected_help)) |
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1934 print(repr(err.stdout)) |
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1935 self.assertEqual(err.stdout, expected_help) |
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1936 |
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1937 def test_subparser1_help(self): |
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1938 self._test_subparser_help('5.0 1 -h', textwrap.dedent('''\ |
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1939 usage: PROG bar 1 [-h] [-w W] {a,b,c} |
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1940 |
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1941 1 description |
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1942 |
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1943 positional arguments: |
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1944 {a,b,c} x help |
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1945 |
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1946 optional arguments: |
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1947 -h, --help show this help message and exit |
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1948 -w W w help |
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1949 ''')) |
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1950 |
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1951 def test_subparser2_help(self): |
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1952 self._test_subparser_help('5.0 2 -h', textwrap.dedent('''\ |
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1953 usage: PROG bar 2 [-h] [-y {1,2,3}] [z [z ...]] |
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1954 |
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1955 2 description |
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1956 |
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1957 positional arguments: |
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1958 z z help |
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1959 |
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1960 optional arguments: |
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1961 -h, --help show this help message and exit |
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1962 -y {1,2,3} y help |
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1963 ''')) |
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1964 |
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1965 def test_alias_invocation(self): |
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1966 parser = self._get_parser(aliases=True) |
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1967 self.assertEqual( |
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1968 parser.parse_known_args('0.5 1alias1 b'.split()), |
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1969 (NS(foo=False, bar=0.5, w=None, x='b'), []), |
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1970 ) |
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1971 self.assertEqual( |
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1972 parser.parse_known_args('0.5 1alias2 b'.split()), |
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1973 (NS(foo=False, bar=0.5, w=None, x='b'), []), |
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1974 ) |
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1975 |
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1976 def test_error_alias_invocation(self): |
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1977 parser = self._get_parser(aliases=True) |
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1978 self.assertArgumentParserError(parser.parse_args, |
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1979 '0.5 1alias3 b'.split()) |
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1980 |
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1981 def test_alias_help(self): |
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1982 parser = self._get_parser(aliases=True, subparser_help=True) |
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1983 self.maxDiff = None |
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1984 self.assertEqual(parser.format_help(), textwrap.dedent("""\ |
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1985 usage: PROG [-h] [--foo] bar COMMAND ... |
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1986 |
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1987 main description |
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1988 |
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1989 positional arguments: |
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1990 bar bar help |
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1991 |
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1992 optional arguments: |
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1993 -h, --help show this help message and exit |
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1994 --foo foo help |
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1995 |
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1996 commands: |
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1997 COMMAND |
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1998 1 (1alias1, 1alias2) |
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1999 1 help |
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2000 2 2 help |
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2001 """)) |
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2002 |
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2003 # ============ |
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2004 # Groups tests |
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2005 # ============ |
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2006 |
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2007 class TestPositionalsGroups(TestCase): |
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2008 """Tests that order of group positionals matches construction order""" |
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2009 |
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2010 def test_nongroup_first(self): |
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2011 parser = ErrorRaisingArgumentParser() |
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2012 parser.add_argument('foo') |
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2013 group = parser.add_argument_group('g') |
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2014 group.add_argument('bar') |
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2015 parser.add_argument('baz') |
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2016 expected = NS(foo='1', bar='2', baz='3') |
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2017 result = parser.parse_args('1 2 3'.split()) |
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2018 self.assertEqual(expected, result) |
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2019 |
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2020 def test_group_first(self): |
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2021 parser = ErrorRaisingArgumentParser() |
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2022 group = parser.add_argument_group('xxx') |
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2023 group.add_argument('foo') |
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2024 parser.add_argument('bar') |
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2025 parser.add_argument('baz') |
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2026 expected = NS(foo='1', bar='2', baz='3') |
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2027 result = parser.parse_args('1 2 3'.split()) |
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2028 self.assertEqual(expected, result) |
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2029 |
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2030 def test_interleaved_groups(self): |
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2031 parser = ErrorRaisingArgumentParser() |
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2032 group = parser.add_argument_group('xxx') |
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2033 parser.add_argument('foo') |
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2034 group.add_argument('bar') |
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2035 parser.add_argument('baz') |
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2036 group = parser.add_argument_group('yyy') |
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2037 group.add_argument('frell') |
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2038 expected = NS(foo='1', bar='2', baz='3', frell='4') |
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2039 result = parser.parse_args('1 2 3 4'.split()) |
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2040 self.assertEqual(expected, result) |
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2041 |
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2042 # =================== |
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2043 # Parent parser tests |
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2044 # =================== |
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2045 |
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2046 class TestParentParsers(TestCase): |
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2047 """Tests that parsers can be created with parent parsers""" |
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2048 |
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2049 def assertArgumentParserError(self, *args, **kwargs): |
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2050 self.assertRaises(ArgumentParserError, *args, **kwargs) |
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2051 |
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2052 def setUp(self): |
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2053 super().setUp() |
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2054 self.wxyz_parent = ErrorRaisingArgumentParser(add_help=False) |
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2055 self.wxyz_parent.add_argument('--w') |
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2056 x_group = self.wxyz_parent.add_argument_group('x') |
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2057 x_group.add_argument('-y') |
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2058 self.wxyz_parent.add_argument('z') |
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2059 |
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2060 self.abcd_parent = ErrorRaisingArgumentParser(add_help=False) |
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2061 self.abcd_parent.add_argument('a') |
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2062 self.abcd_parent.add_argument('-b') |
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2063 c_group = self.abcd_parent.add_argument_group('c') |
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2064 c_group.add_argument('--d') |
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2065 |
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2066 self.w_parent = ErrorRaisingArgumentParser(add_help=False) |
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2067 self.w_parent.add_argument('--w') |
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2068 |
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2069 self.z_parent = ErrorRaisingArgumentParser(add_help=False) |
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2070 self.z_parent.add_argument('z') |
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2071 |
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2072 # parents with mutually exclusive groups |
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2073 self.ab_mutex_parent = ErrorRaisingArgumentParser(add_help=False) |
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2074 group = self.ab_mutex_parent.add_mutually_exclusive_group() |
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2075 group.add_argument('-a', action='store_true') |
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2076 group.add_argument('-b', action='store_true') |
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2077 |
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2078 self.main_program = os.path.basename(sys.argv[0]) |
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2079 |
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2080 def test_single_parent(self): |
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2081 parser = ErrorRaisingArgumentParser(parents=[self.wxyz_parent]) |
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2082 self.assertEqual(parser.parse_args('-y 1 2 --w 3'.split()), |
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2083 NS(w='3', y='1', z='2')) |
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2084 |
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2085 def test_single_parent_mutex(self): |
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2086 self._test_mutex_ab(self.ab_mutex_parent.parse_args) |
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2087 parser = ErrorRaisingArgumentParser(parents=[self.ab_mutex_parent]) |
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2088 self._test_mutex_ab(parser.parse_args) |
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2089 |
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2090 def test_single_granparent_mutex(self): |
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2091 parents = [self.ab_mutex_parent] |
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2092 parser = ErrorRaisingArgumentParser(add_help=False, parents=parents) |
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2093 parser = ErrorRaisingArgumentParser(parents=[parser]) |
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2094 self._test_mutex_ab(parser.parse_args) |
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2095 |
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2096 def _test_mutex_ab(self, parse_args): |
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2097 self.assertEqual(parse_args([]), NS(a=False, b=False)) |
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2098 self.assertEqual(parse_args(['-a']), NS(a=True, b=False)) |
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2099 self.assertEqual(parse_args(['-b']), NS(a=False, b=True)) |
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2100 self.assertArgumentParserError(parse_args, ['-a', '-b']) |
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2101 self.assertArgumentParserError(parse_args, ['-b', '-a']) |
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2102 self.assertArgumentParserError(parse_args, ['-c']) |
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2103 self.assertArgumentParserError(parse_args, ['-a', '-c']) |
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2104 self.assertArgumentParserError(parse_args, ['-b', '-c']) |
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2105 |
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2106 def test_multiple_parents(self): |
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2107 parents = [self.abcd_parent, self.wxyz_parent] |
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2108 parser = ErrorRaisingArgumentParser(parents=parents) |
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2109 self.assertEqual(parser.parse_args('--d 1 --w 2 3 4'.split()), |
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2110 NS(a='3', b=None, d='1', w='2', y=None, z='4')) |
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2111 |
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2112 def test_multiple_parents_mutex(self): |
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2113 parents = [self.ab_mutex_parent, self.wxyz_parent] |
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2114 parser = ErrorRaisingArgumentParser(parents=parents) |
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2115 self.assertEqual(parser.parse_args('-a --w 2 3'.split()), |
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2116 NS(a=True, b=False, w='2', y=None, z='3')) |
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2117 self.assertArgumentParserError( |
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2118 parser.parse_args, '-a --w 2 3 -b'.split()) |
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2119 self.assertArgumentParserError( |
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2120 parser.parse_args, '-a -b --w 2 3'.split()) |
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2121 |
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2122 def test_conflicting_parents(self): |
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2123 self.assertRaises( |
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2124 argparse.ArgumentError, |
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2125 argparse.ArgumentParser, |
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2126 parents=[self.w_parent, self.wxyz_parent]) |
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2127 |
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2128 def test_conflicting_parents_mutex(self): |
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2129 self.assertRaises( |
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2130 argparse.ArgumentError, |
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2131 argparse.ArgumentParser, |
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2132 parents=[self.abcd_parent, self.ab_mutex_parent]) |
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2133 |
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2134 def test_same_argument_name_parents(self): |
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2135 parents = [self.wxyz_parent, self.z_parent] |
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2136 parser = ErrorRaisingArgumentParser(parents=parents) |
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2137 self.assertEqual(parser.parse_args('1 2'.split()), |
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2138 NS(w=None, y=None, z='2')) |
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2139 |
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2140 def test_subparser_parents(self): |
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2141 parser = ErrorRaisingArgumentParser() |
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2142 subparsers = parser.add_subparsers() |
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2143 abcde_parser = subparsers.add_parser('bar', parents=[self.abcd_parent]) |
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2144 abcde_parser.add_argument('e') |
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2145 self.assertEqual(parser.parse_args('bar -b 1 --d 2 3 4'.split()), |
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2146 NS(a='3', b='1', d='2', e='4')) |
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2147 |
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2148 def test_subparser_parents_mutex(self): |
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2149 parser = ErrorRaisingArgumentParser() |
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2150 subparsers = parser.add_subparsers() |
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2151 parents = [self.ab_mutex_parent] |
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2152 abc_parser = subparsers.add_parser('foo', parents=parents) |
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2153 c_group = abc_parser.add_argument_group('c_group') |
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2154 c_group.add_argument('c') |
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2155 parents = [self.wxyz_parent, self.ab_mutex_parent] |
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2156 wxyzabe_parser = subparsers.add_parser('bar', parents=parents) |
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2157 wxyzabe_parser.add_argument('e') |
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2158 self.assertEqual(parser.parse_args('foo -a 4'.split()), |
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2159 NS(a=True, b=False, c='4')) |
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2160 self.assertEqual(parser.parse_args('bar -b --w 2 3 4'.split()), |
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2161 NS(a=False, b=True, w='2', y=None, z='3', e='4')) |
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2162 self.assertArgumentParserError( |
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2163 parser.parse_args, 'foo -a -b 4'.split()) |
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2164 self.assertArgumentParserError( |
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2165 parser.parse_args, 'bar -b -a 4'.split()) |
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2166 |
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2167 def test_parent_help(self): |
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2168 parents = [self.abcd_parent, self.wxyz_parent] |
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2169 parser = ErrorRaisingArgumentParser(parents=parents) |
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2170 parser_help = parser.format_help() |
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2171 self.assertEqual(parser_help, textwrap.dedent('''\ |
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2172 usage: {} [-h] [-b B] [--d D] [--w W] [-y Y] a z |
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2173 |
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2174 positional arguments: |
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2175 a |
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2176 z |
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2177 |
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2178 optional arguments: |
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2179 -h, --help show this help message and exit |
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2180 -b B |
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2181 --w W |
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2182 |
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2183 c: |
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2184 --d D |
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2185 |
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2186 x: |
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2187 -y Y |
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2188 '''.format(self.main_program))) |
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2189 |
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2190 def test_groups_parents(self): |
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2191 parent = ErrorRaisingArgumentParser(add_help=False) |
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2192 g = parent.add_argument_group(title='g', description='gd') |
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2193 g.add_argument('-w') |
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2194 g.add_argument('-x') |
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2195 m = parent.add_mutually_exclusive_group() |
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2196 m.add_argument('-y') |
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2197 m.add_argument('-z') |
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2198 parser = ErrorRaisingArgumentParser(parents=[parent]) |
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2199 |
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2200 self.assertRaises(ArgumentParserError, parser.parse_args, |
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2201 ['-y', 'Y', '-z', 'Z']) |
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2202 |
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2203 parser_help = parser.format_help() |
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2204 self.assertEqual(parser_help, textwrap.dedent('''\ |
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2205 usage: {} [-h] [-w W] [-x X] [-y Y | -z Z] |
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2206 |
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2207 optional arguments: |
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2208 -h, --help show this help message and exit |
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2209 -y Y |
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2210 -z Z |
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2211 |
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2212 g: |
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2213 gd |
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2214 |
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2215 -w W |
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2216 -x X |
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2217 '''.format(self.main_program))) |
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2218 |
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2219 # ============================== |
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2220 # Mutually exclusive group tests |
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2221 # ============================== |
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2222 |
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2223 class TestMutuallyExclusiveGroupErrors(TestCase): |
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2224 |
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2225 def test_invalid_add_argument_group(self): |
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2226 parser = ErrorRaisingArgumentParser() |
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2227 raises = self.assertRaises |
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2228 raises(TypeError, parser.add_mutually_exclusive_group, title='foo') |
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2229 |
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2230 def test_invalid_add_argument(self): |
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2231 parser = ErrorRaisingArgumentParser() |
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2232 group = parser.add_mutually_exclusive_group() |
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2233 add_argument = group.add_argument |
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2234 raises = self.assertRaises |
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2235 raises(ValueError, add_argument, '--foo', required=True) |
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2236 raises(ValueError, add_argument, 'bar') |
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2237 raises(ValueError, add_argument, 'bar', nargs='+') |
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2238 raises(ValueError, add_argument, 'bar', nargs=1) |
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2239 raises(ValueError, add_argument, 'bar', nargs=argparse.PARSER) |
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2240 |
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2241 def test_help(self): |
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2242 parser = ErrorRaisingArgumentParser(prog='PROG') |
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2243 group1 = parser.add_mutually_exclusive_group() |
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2244 group1.add_argument('--foo', action='store_true') |
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2245 group1.add_argument('--bar', action='store_false') |
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2246 group2 = parser.add_mutually_exclusive_group() |
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2247 group2.add_argument('--soup', action='store_true') |
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2248 group2.add_argument('--nuts', action='store_false') |
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2249 expected = '''\ |
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2250 usage: PROG [-h] [--foo | --bar] [--soup | --nuts] |
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2251 |
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2252 optional arguments: |
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2253 -h, --help show this help message and exit |
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2254 --foo |
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2255 --bar |
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2256 --soup |
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2257 --nuts |
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2258 ''' |
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2259 self.assertEqual(parser.format_help(), textwrap.dedent(expected)) |
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2260 |
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2261 class MEMixin(object): |
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2262 |
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2263 def test_failures_when_not_required(self): |
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2264 parse_args = self.get_parser(required=False).parse_args |
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2265 error = ArgumentParserError |
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2266 for args_string in self.failures: |
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2267 self.assertRaises(error, parse_args, args_string.split()) |
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2268 |
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2269 def test_failures_when_required(self): |
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2270 parse_args = self.get_parser(required=True).parse_args |
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2271 error = ArgumentParserError |
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2272 for args_string in self.failures + ['']: |
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2273 self.assertRaises(error, parse_args, args_string.split()) |
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2274 |
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2275 def test_successes_when_not_required(self): |
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2276 parse_args = self.get_parser(required=False).parse_args |
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2277 successes = self.successes + self.successes_when_not_required |
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2278 for args_string, expected_ns in successes: |
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2279 actual_ns = parse_args(args_string.split()) |
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2280 self.assertEqual(actual_ns, expected_ns) |
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2281 |
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2282 def test_successes_when_required(self): |
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2283 parse_args = self.get_parser(required=True).parse_args |
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2284 for args_string, expected_ns in self.successes: |
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2285 actual_ns = parse_args(args_string.split()) |
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2286 self.assertEqual(actual_ns, expected_ns) |
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2287 |
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2288 def test_usage_when_not_required(self): |
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2289 format_usage = self.get_parser(required=False).format_usage |
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2290 expected_usage = self.usage_when_not_required |
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2291 self.assertEqual(format_usage(), textwrap.dedent(expected_usage)) |
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2292 |
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2293 def test_usage_when_required(self): |
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2294 format_usage = self.get_parser(required=True).format_usage |
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2295 expected_usage = self.usage_when_required |
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2296 self.assertEqual(format_usage(), textwrap.dedent(expected_usage)) |
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2297 |
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2298 def test_help_when_not_required(self): |
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2299 format_help = self.get_parser(required=False).format_help |
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2300 help = self.usage_when_not_required + self.help |
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2301 self.assertEqual(format_help(), textwrap.dedent(help)) |
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2302 |
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2303 def test_help_when_required(self): |
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2304 format_help = self.get_parser(required=True).format_help |
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2305 help = self.usage_when_required + self.help |
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2306 self.assertEqual(format_help(), textwrap.dedent(help)) |
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2307 |
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2308 |
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2309 class TestMutuallyExclusiveSimple(MEMixin, TestCase): |
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2310 |
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2311 def get_parser(self, required=None): |
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2312 parser = ErrorRaisingArgumentParser(prog='PROG') |
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2313 group = parser.add_mutually_exclusive_group(required=required) |
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2314 group.add_argument('--bar', help='bar help') |
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2315 group.add_argument('--baz', nargs='?', const='Z', help='baz help') |
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2316 return parser |
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2317 |
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2318 failures = ['--bar X --baz Y', '--bar X --baz'] |
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2319 successes = [ |
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2320 ('--bar X', NS(bar='X', baz=None)), |
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2321 ('--bar X --bar Z', NS(bar='Z', baz=None)), |
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2322 ('--baz Y', NS(bar=None, baz='Y')), |
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2323 ('--baz', NS(bar=None, baz='Z')), |
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2324 ] |
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2325 successes_when_not_required = [ |
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2326 ('', NS(bar=None, baz=None)), |
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2327 ] |
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2328 |
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2329 usage_when_not_required = '''\ |
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2330 usage: PROG [-h] [--bar BAR | --baz [BAZ]] |
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2331 ''' |
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2332 usage_when_required = '''\ |
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2333 usage: PROG [-h] (--bar BAR | --baz [BAZ]) |
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2334 ''' |
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2335 help = '''\ |
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2336 |
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2337 optional arguments: |
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2338 -h, --help show this help message and exit |
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2339 --bar BAR bar help |
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2340 --baz [BAZ] baz help |
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2341 ''' |
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2342 |
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2343 |
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2344 class TestMutuallyExclusiveLong(MEMixin, TestCase): |
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2345 |
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2346 def get_parser(self, required=None): |
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2347 parser = ErrorRaisingArgumentParser(prog='PROG') |
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2348 parser.add_argument('--abcde', help='abcde help') |
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2349 parser.add_argument('--fghij', help='fghij help') |
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2350 group = parser.add_mutually_exclusive_group(required=required) |
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2351 group.add_argument('--klmno', help='klmno help') |
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2352 group.add_argument('--pqrst', help='pqrst help') |
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2353 return parser |
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2354 |
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2355 failures = ['--klmno X --pqrst Y'] |
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2356 successes = [ |
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2357 ('--klmno X', NS(abcde=None, fghij=None, klmno='X', pqrst=None)), |
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2358 ('--abcde Y --klmno X', |
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2359 NS(abcde='Y', fghij=None, klmno='X', pqrst=None)), |
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2360 ('--pqrst X', NS(abcde=None, fghij=None, klmno=None, pqrst='X')), |
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2361 ('--pqrst X --fghij Y', |
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2362 NS(abcde=None, fghij='Y', klmno=None, pqrst='X')), |
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2363 ] |
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2364 successes_when_not_required = [ |
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2365 ('', NS(abcde=None, fghij=None, klmno=None, pqrst=None)), |
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2366 ] |
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2367 |
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2368 usage_when_not_required = '''\ |
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2369 usage: PROG [-h] [--abcde ABCDE] [--fghij FGHIJ] |
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2370 [--klmno KLMNO | --pqrst PQRST] |
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2371 ''' |
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2372 usage_when_required = '''\ |
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2373 usage: PROG [-h] [--abcde ABCDE] [--fghij FGHIJ] |
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2374 (--klmno KLMNO | --pqrst PQRST) |
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2375 ''' |
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2376 help = '''\ |
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2377 |
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2378 optional arguments: |
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2379 -h, --help show this help message and exit |
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2380 --abcde ABCDE abcde help |
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2381 --fghij FGHIJ fghij help |
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2382 --klmno KLMNO klmno help |
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2383 --pqrst PQRST pqrst help |
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2384 ''' |
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2385 |
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2386 |
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2387 class TestMutuallyExclusiveFirstSuppressed(MEMixin, TestCase): |
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2388 |
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2389 def get_parser(self, required): |
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2390 parser = ErrorRaisingArgumentParser(prog='PROG') |
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2391 group = parser.add_mutually_exclusive_group(required=required) |
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2392 group.add_argument('-x', help=argparse.SUPPRESS) |
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2393 group.add_argument('-y', action='store_false', help='y help') |
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2394 return parser |
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2395 |
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2396 failures = ['-x X -y'] |
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2397 successes = [ |
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2398 ('-x X', NS(x='X', y=True)), |
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2399 ('-x X -x Y', NS(x='Y', y=True)), |
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2400 ('-y', NS(x=None, y=False)), |
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2401 ] |
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2402 successes_when_not_required = [ |
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2403 ('', NS(x=None, y=True)), |
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2404 ] |
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2405 |
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2406 usage_when_not_required = '''\ |
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2407 usage: PROG [-h] [-y] |
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2408 ''' |
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2409 usage_when_required = '''\ |
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2410 usage: PROG [-h] -y |
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2411 ''' |
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2412 help = '''\ |
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2413 |
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2414 optional arguments: |
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2415 -h, --help show this help message and exit |
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2416 -y y help |
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2417 ''' |
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2418 |
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2419 |
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2420 class TestMutuallyExclusiveManySuppressed(MEMixin, TestCase): |
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2421 |
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2422 def get_parser(self, required): |
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2423 parser = ErrorRaisingArgumentParser(prog='PROG') |
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2424 group = parser.add_mutually_exclusive_group(required=required) |
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2425 add = group.add_argument |
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2426 add('--spam', action='store_true', help=argparse.SUPPRESS) |
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2427 add('--badger', action='store_false', help=argparse.SUPPRESS) |
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2428 add('--bladder', help=argparse.SUPPRESS) |
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2429 return parser |
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2430 |
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2431 failures = [ |
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2432 '--spam --badger', |
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2433 '--badger --bladder B', |
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2434 '--bladder B --spam', |
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2435 ] |
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2436 successes = [ |
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2437 ('--spam', NS(spam=True, badger=True, bladder=None)), |
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2438 ('--badger', NS(spam=False, badger=False, bladder=None)), |
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2439 ('--bladder B', NS(spam=False, badger=True, bladder='B')), |
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2440 ('--spam --spam', NS(spam=True, badger=True, bladder=None)), |
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2441 ] |
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2442 successes_when_not_required = [ |
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2443 ('', NS(spam=False, badger=True, bladder=None)), |
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2444 ] |
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2445 |
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2446 usage_when_required = usage_when_not_required = '''\ |
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2447 usage: PROG [-h] |
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2448 ''' |
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2449 help = '''\ |
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2450 |
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2451 optional arguments: |
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2452 -h, --help show this help message and exit |
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2453 ''' |
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2454 |
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2455 |
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2456 class TestMutuallyExclusiveOptionalAndPositional(MEMixin, TestCase): |
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2457 |
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2458 def get_parser(self, required): |
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2459 parser = ErrorRaisingArgumentParser(prog='PROG') |
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2460 group = parser.add_mutually_exclusive_group(required=required) |
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2461 group.add_argument('--foo', action='store_true', help='FOO') |
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2462 group.add_argument('--spam', help='SPAM') |
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2463 group.add_argument('badger', nargs='*', default='X', help='BADGER') |
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2464 return parser |
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2465 |
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2466 failures = [ |
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2467 '--foo --spam S', |
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2468 '--spam S X', |
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2469 'X --foo', |
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2470 'X Y Z --spam S', |
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2471 '--foo X Y', |
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2472 ] |
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2473 successes = [ |
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2474 ('--foo', NS(foo=True, spam=None, badger='X')), |
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2475 ('--spam S', NS(foo=False, spam='S', badger='X')), |
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2476 ('X', NS(foo=False, spam=None, badger=['X'])), |
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2477 ('X Y Z', NS(foo=False, spam=None, badger=['X', 'Y', 'Z'])), |
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2478 ] |
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2479 successes_when_not_required = [ |
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2480 ('', NS(foo=False, spam=None, badger='X')), |
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2481 ] |
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2482 |
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2483 usage_when_not_required = '''\ |
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2484 usage: PROG [-h] [--foo | --spam SPAM | badger [badger ...]] |
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2485 ''' |
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2486 usage_when_required = '''\ |
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2487 usage: PROG [-h] (--foo | --spam SPAM | badger [badger ...]) |
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2488 ''' |
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2489 help = '''\ |
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2490 |
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2491 positional arguments: |
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2492 badger BADGER |
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2493 |
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2494 optional arguments: |
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2495 -h, --help show this help message and exit |
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2496 --foo FOO |
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2497 --spam SPAM SPAM |
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2498 ''' |
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2499 |
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2500 |
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2501 class TestMutuallyExclusiveOptionalsMixed(MEMixin, TestCase): |
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2502 |
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2503 def get_parser(self, required): |
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2504 parser = ErrorRaisingArgumentParser(prog='PROG') |
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2505 parser.add_argument('-x', action='store_true', help='x help') |
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2506 group = parser.add_mutually_exclusive_group(required=required) |
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2507 group.add_argument('-a', action='store_true', help='a help') |
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2508 group.add_argument('-b', action='store_true', help='b help') |
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2509 parser.add_argument('-y', action='store_true', help='y help') |
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2510 group.add_argument('-c', action='store_true', help='c help') |
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2511 return parser |
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2512 |
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2513 failures = ['-a -b', '-b -c', '-a -c', '-a -b -c'] |
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2514 successes = [ |
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2515 ('-a', NS(a=True, b=False, c=False, x=False, y=False)), |
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2516 ('-b', NS(a=False, b=True, c=False, x=False, y=False)), |
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2517 ('-c', NS(a=False, b=False, c=True, x=False, y=False)), |
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2518 ('-a -x', NS(a=True, b=False, c=False, x=True, y=False)), |
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2519 ('-y -b', NS(a=False, b=True, c=False, x=False, y=True)), |
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2520 ('-x -y -c', NS(a=False, b=False, c=True, x=True, y=True)), |
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2521 ] |
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2522 successes_when_not_required = [ |
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2523 ('', NS(a=False, b=False, c=False, x=False, y=False)), |
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2524 ('-x', NS(a=False, b=False, c=False, x=True, y=False)), |
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2525 ('-y', NS(a=False, b=False, c=False, x=False, y=True)), |
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2526 ] |
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2527 |
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2528 usage_when_required = usage_when_not_required = '''\ |
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2529 usage: PROG [-h] [-x] [-a] [-b] [-y] [-c] |
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2530 ''' |
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2531 help = '''\ |
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2532 |
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2533 optional arguments: |
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2534 -h, --help show this help message and exit |
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2535 -x x help |
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2536 -a a help |
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2537 -b b help |
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2538 -y y help |
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2539 -c c help |
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2540 ''' |
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2541 |
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2542 |
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2543 class TestMutuallyExclusiveInGroup(MEMixin, TestCase): |
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2544 |
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2545 def get_parser(self, required=None): |
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2546 parser = ErrorRaisingArgumentParser(prog='PROG') |
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2547 titled_group = parser.add_argument_group( |
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2548 title='Titled group', description='Group description') |
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2549 mutex_group = \ |
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2550 titled_group.add_mutually_exclusive_group(required=required) |
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2551 mutex_group.add_argument('--bar', help='bar help') |
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2552 mutex_group.add_argument('--baz', help='baz help') |
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2553 return parser |
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2554 |
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2555 failures = ['--bar X --baz Y', '--baz X --bar Y'] |
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2556 successes = [ |
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2557 ('--bar X', NS(bar='X', baz=None)), |
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2558 ('--baz Y', NS(bar=None, baz='Y')), |
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2559 ] |
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2560 successes_when_not_required = [ |
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2561 ('', NS(bar=None, baz=None)), |
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2562 ] |
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2563 |
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2564 usage_when_not_required = '''\ |
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2565 usage: PROG [-h] [--bar BAR | --baz BAZ] |
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2566 ''' |
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2567 usage_when_required = '''\ |
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2568 usage: PROG [-h] (--bar BAR | --baz BAZ) |
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2569 ''' |
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2570 help = '''\ |
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2571 |
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2572 optional arguments: |
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2573 -h, --help show this help message and exit |
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2574 |
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2575 Titled group: |
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2576 Group description |
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2577 |
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2578 --bar BAR bar help |
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2579 --baz BAZ baz help |
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2580 ''' |
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2581 |
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2582 |
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59275
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2583 class TestMutuallyExclusiveOptionalsAndPositionalsMixed(MEMixin, TestCase): |
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2584 |
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2585 def get_parser(self, required): |
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2586 parser = ErrorRaisingArgumentParser(prog='PROG') |
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2587 parser.add_argument('x', help='x help') |
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2588 parser.add_argument('-y', action='store_true', help='y help') |
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2589 group = parser.add_mutually_exclusive_group(required=required) |
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2590 group.add_argument('a', nargs='?', help='a help') |
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2591 group.add_argument('-b', action='store_true', help='b help') |
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2592 group.add_argument('-c', action='store_true', help='c help') |
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2593 return parser |
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2594 |
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2595 failures = ['X A -b', '-b -c', '-c X A'] |
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2596 successes = [ |
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2597 ('X A', NS(a='A', b=False, c=False, x='X', y=False)), |
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2598 ('X -b', NS(a=None, b=True, c=False, x='X', y=False)), |
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2599 ('X -c', NS(a=None, b=False, c=True, x='X', y=False)), |
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2600 ('X A -y', NS(a='A', b=False, c=False, x='X', y=True)), |
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2601 ('X -y -b', NS(a=None, b=True, c=False, x='X', y=True)), |
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2602 ] |
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2603 successes_when_not_required = [ |
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2604 ('X', NS(a=None, b=False, c=False, x='X', y=False)), |
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2605 ('X -y', NS(a=None, b=False, c=False, x='X', y=True)), |
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2606 ] |
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2607 |
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2608 usage_when_required = usage_when_not_required = '''\ |
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2609 usage: PROG [-h] [-y] [-b] [-c] x [a] |
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2610 ''' |
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2611 help = '''\ |
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2612 |
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2613 positional arguments: |
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2614 x x help |
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2615 a a help |
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2616 |
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2617 optional arguments: |
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2618 -h, --help show this help message and exit |
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2619 -y y help |
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2620 -b b help |
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2621 -c c help |
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2622 ''' |
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2623 |
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2624 # ================================================= |
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2625 # Mutually exclusive group in parent parser tests |
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2626 # ================================================= |
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2627 |
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2628 class MEPBase(object): |
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2629 |
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2630 def get_parser(self, required=None): |
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changeset
|
2631 parent = super(MEPBase, self).get_parser(required=required) |
|
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changeset
|
2632 parser = ErrorRaisingArgumentParser( |
|
12bcb69938b3
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diff
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|
2633 prog=parent.prog, add_help=False, parents=[parent]) |
|
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changeset
|
2634 return parser |
|
12bcb69938b3
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diff
changeset
|
2635 |
|
12bcb69938b3
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diff
changeset
|
2636 |
|
12bcb69938b3
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diff
changeset
|
2637 class TestMutuallyExclusiveGroupErrorsParent( |
|
12bcb69938b3
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diff
changeset
|
2638 MEPBase, TestMutuallyExclusiveGroupErrors): |
|
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diff
changeset
|
2639 pass |
|
12bcb69938b3
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diff
changeset
|
2640 |
|
12bcb69938b3
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diff
changeset
|
2641 |
|
12bcb69938b3
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diff
changeset
|
2642 class TestMutuallyExclusiveSimpleParent( |
|
12bcb69938b3
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diff
changeset
|
2643 MEPBase, TestMutuallyExclusiveSimple): |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2644 pass |
|
12bcb69938b3
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59258
diff
changeset
|
2645 |
|
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diff
changeset
|
2646 |
|
12bcb69938b3
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diff
changeset
|
2647 class TestMutuallyExclusiveLongParent( |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2648 MEPBase, TestMutuallyExclusiveLong): |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2649 pass |
|
12bcb69938b3
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diff
changeset
|
2650 |
|
12bcb69938b3
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diff
changeset
|
2651 |
|
12bcb69938b3
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diff
changeset
|
2652 class TestMutuallyExclusiveFirstSuppressedParent( |
|
12bcb69938b3
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diff
changeset
|
2653 MEPBase, TestMutuallyExclusiveFirstSuppressed): |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2654 pass |
|
12bcb69938b3
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diff
changeset
|
2655 |
|
12bcb69938b3
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diff
changeset
|
2656 |
|
12bcb69938b3
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diff
changeset
|
2657 class TestMutuallyExclusiveManySuppressedParent( |
|
12bcb69938b3
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diff
changeset
|
2658 MEPBase, TestMutuallyExclusiveManySuppressed): |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2659 pass |
|
12bcb69938b3
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diff
changeset
|
2660 |
|
12bcb69938b3
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diff
changeset
|
2661 |
|
12bcb69938b3
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changeset
|
2662 class TestMutuallyExclusiveOptionalAndPositionalParent( |
|
12bcb69938b3
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diff
changeset
|
2663 MEPBase, TestMutuallyExclusiveOptionalAndPositional): |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2664 pass |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2665 |
|
12bcb69938b3
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diff
changeset
|
2666 |
|
12bcb69938b3
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diff
changeset
|
2667 class TestMutuallyExclusiveOptionalsMixedParent( |
|
12bcb69938b3
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diff
changeset
|
2668 MEPBase, TestMutuallyExclusiveOptionalsMixed): |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2669 pass |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
Benjamin Peterson <benjamin@python.org>
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diff
changeset
|
2670 |
|
12bcb69938b3
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diff
changeset
|
2671 |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2672 class TestMutuallyExclusiveOptionalsAndPositionalsMixedParent( |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2673 MEPBase, TestMutuallyExclusiveOptionalsAndPositionalsMixed): |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2674 pass |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2675 |
|
12bcb69938b3
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diff
changeset
|
2676 # ================= |
|
12bcb69938b3
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changeset
|
2677 # Set default tests |
|
12bcb69938b3
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changeset
|
2678 # ================= |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2679 |
|
12bcb69938b3
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diff
changeset
|
2680 class TestSetDefaults(TestCase): |
|
12bcb69938b3
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diff
changeset
|
2681 |
|
12bcb69938b3
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changeset
|
2682 def test_set_defaults_no_args(self): |
|
12bcb69938b3
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changeset
|
2683 parser = ErrorRaisingArgumentParser() |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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changeset
|
2684 parser.set_defaults(x='foo') |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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changeset
|
2685 parser.set_defaults(y='bar', z=1) |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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changeset
|
2686 self.assertEqual(NS(x='foo', y='bar', z=1), |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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changeset
|
2687 parser.parse_args([])) |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2688 self.assertEqual(NS(x='foo', y='bar', z=1), |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
Benjamin Peterson <benjamin@python.org>
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diff
changeset
|
2689 parser.parse_args([], NS())) |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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changeset
|
2690 self.assertEqual(NS(x='baz', y='bar', z=1), |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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changeset
|
2691 parser.parse_args([], NS(x='baz'))) |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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changeset
|
2692 self.assertEqual(NS(x='baz', y='bar', z=2), |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2693 parser.parse_args([], NS(x='baz', z=2))) |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2694 |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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changeset
|
2695 def test_set_defaults_with_args(self): |
|
12bcb69938b3
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changeset
|
2696 parser = ErrorRaisingArgumentParser() |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2697 parser.set_defaults(x='foo', y='bar') |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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changeset
|
2698 parser.add_argument('-x', default='xfoox') |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2699 self.assertEqual(NS(x='xfoox', y='bar'), |
|
12bcb69938b3
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changeset
|
2700 parser.parse_args([])) |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2701 self.assertEqual(NS(x='xfoox', y='bar'), |
|
12bcb69938b3
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changeset
|
2702 parser.parse_args([], NS())) |
|
12bcb69938b3
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changeset
|
2703 self.assertEqual(NS(x='baz', y='bar'), |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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changeset
|
2704 parser.parse_args([], NS(x='baz'))) |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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changeset
|
2705 self.assertEqual(NS(x='1', y='bar'), |
|
12bcb69938b3
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changeset
|
2706 parser.parse_args('-x 1'.split())) |
|
12bcb69938b3
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diff
changeset
|
2707 self.assertEqual(NS(x='1', y='bar'), |
|
12bcb69938b3
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changeset
|
2708 parser.parse_args('-x 1'.split(), NS())) |
|
12bcb69938b3
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changeset
|
2709 self.assertEqual(NS(x='1', y='bar'), |
|
12bcb69938b3
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changeset
|
2710 parser.parse_args('-x 1'.split(), NS(x='baz'))) |
|
12bcb69938b3
Merged revisions 78586-78593 via svnmerge from
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diff
changeset
|
2711 |
|
12bcb69938b3
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changeset
|
2712 def test_set_defaults_subparsers(self): |
|
12bcb69938b3
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changeset
|
2713 parser = ErrorRaisingArgumentParser() |
|
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changeset
|
2714 parser.set_defaults(x='foo') |
|
12bcb69938b3
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changeset
|
2715 subparsers = parser.add_subparsers() |
|
12bcb69938b3
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changeset
|
2716 parser_a = subparsers.add_parser('a') |
|
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changeset
|
2717 parser_a.set_defaults(y='bar') |
|
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changeset
|
2718 self.assertEqual(NS(x='foo', y='bar'), |
|
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changeset
|
2719 parser.parse_args('a'.split())) |
|
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changeset
|
2720 |
|
12bcb69938b3
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changeset
|
2721 def test_set_defaults_parents(self): |
|
12bcb69938b3
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changeset
|
2722 parent = ErrorRaisingArgumentParser(add_help=False) |
|
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changeset
|
2723 parent.set_defaults(x='foo') |
|
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changeset
|
2724 parser = ErrorRaisingArgumentParser(parents=[parent]) |
|
12bcb69938b3
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changeset
|
2725 self.assertEqual(NS(x='foo'), parser.parse_args([])) |
|
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changeset
|
2726 |
|
12bcb69938b3
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changeset
|
2727 def test_set_defaults_same_as_add_argument(self): |
|
12bcb69938b3
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changeset
|
2728 parser = ErrorRaisingArgumentParser() |
|
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changeset
|
2729 parser.set_defaults(w='W', x='X', y='Y', z='Z') |
|
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changeset
|
2730 parser.add_argument('-w') |
|
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changeset
|
2731 parser.add_argument('-x', default='XX') |
|
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changeset
|
2732 parser.add_argument('y', nargs='?') |
|
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changeset
|
2733 parser.add_argument('z', nargs='?', default='ZZ') |
|
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changeset
|
2734 |
|
12bcb69938b3
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changeset
|
2735 # defaults set previously |
|
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changeset
|
2736 self.assertEqual(NS(w='W', x='XX', y='Y', z='ZZ'), |
|
12bcb69938b3
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changeset
|
2737 parser.parse_args([])) |
|
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changeset
|
2738 |
|
12bcb69938b3
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changeset
|
2739 # reset defaults |
|
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changeset
|
2740 parser.set_defaults(w='WW', x='X', y='YY', z='Z') |
|
12bcb69938b3
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changeset
|
2741 self.assertEqual(NS(w='WW', x='X', y='YY', z='Z'), |
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2742 parser.parse_args([])) |
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2743 |
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2744 def test_set_defaults_same_as_add_argument_group(self): |
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2745 parser = ErrorRaisingArgumentParser() |
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2746 parser.set_defaults(w='W', x='X', y='Y', z='Z') |
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2747 group = parser.add_argument_group('foo') |
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2748 group.add_argument('-w') |
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2749 group.add_argument('-x', default='XX') |
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2750 group.add_argument('y', nargs='?') |
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2751 group.add_argument('z', nargs='?', default='ZZ') |
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2752 |
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2753 |
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2754 # defaults set previously |
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2755 self.assertEqual(NS(w='W', x='XX', y='Y', z='ZZ'), |
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2756 parser.parse_args([])) |
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2757 |
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2758 # reset defaults |
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2759 parser.set_defaults(w='WW', x='X', y='YY', z='Z') |
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2760 self.assertEqual(NS(w='WW', x='X', y='YY', z='Z'), |
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2761 parser.parse_args([])) |
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2762 |
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2763 # ================= |
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2764 # Get default tests |
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2765 # ================= |
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2766 |
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2767 class TestGetDefault(TestCase): |
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2768 |
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2769 def test_get_default(self): |
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2770 parser = ErrorRaisingArgumentParser() |
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2771 self.assertEqual(None, parser.get_default("foo")) |
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2772 self.assertEqual(None, parser.get_default("bar")) |
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2773 |
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2774 parser.add_argument("--foo") |
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2775 self.assertEqual(None, parser.get_default("foo")) |
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2776 self.assertEqual(None, parser.get_default("bar")) |
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2777 |
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2778 parser.add_argument("--bar", type=int, default=42) |
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2779 self.assertEqual(None, parser.get_default("foo")) |
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2780 self.assertEqual(42, parser.get_default("bar")) |
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2781 |
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2782 parser.set_defaults(foo="badger") |
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2783 self.assertEqual("badger", parser.get_default("foo")) |
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2784 self.assertEqual(42, parser.get_default("bar")) |
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2785 |
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2786 # ========================== |
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2787 # Namespace 'contains' tests |
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2788 # ========================== |
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2789 |
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2790 class TestNamespaceContainsSimple(TestCase): |
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2791 |
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2792 def test_empty(self): |
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2793 ns = argparse.Namespace() |
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2794 self.assertEqual('' in ns, False) |
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2795 self.assertEqual('' not in ns, True) |
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2796 self.assertEqual('x' in ns, False) |
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2797 |
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2798 def test_non_empty(self): |
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2799 ns = argparse.Namespace(x=1, y=2) |
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2800 self.assertEqual('x' in ns, True) |
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2801 self.assertEqual('x' not in ns, False) |
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2802 self.assertEqual('y' in ns, True) |
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2803 self.assertEqual('' in ns, False) |
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|
2804 self.assertEqual('xx' in ns, False) |
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2805 self.assertEqual('z' in ns, False) |
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2806 |
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2807 # ===================== |
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2808 # Help formatting tests |
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2809 # ===================== |
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2810 |
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2811 class TestHelpFormattingMetaclass(type): |
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2812 |
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2813 def __init__(cls, name, bases, bodydict): |
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2814 if name == 'HelpTestCase': |
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2815 return |
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2816 |
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2817 class AddTests(object): |
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2818 |
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2819 def __init__(self, test_class, func_suffix, std_name): |
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2820 self.func_suffix = func_suffix |
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2821 self.std_name = std_name |
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2822 |
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2823 for test_func in [self.test_format, |
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2824 self.test_print, |
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2825 self.test_print_file]: |
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2826 test_name = '%s_%s' % (test_func.__name__, func_suffix) |
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2827 |
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2828 def test_wrapper(self, test_func=test_func): |
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2829 test_func(self) |
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2830 try: |
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2831 test_wrapper.__name__ = test_name |
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2832 except TypeError: |
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2833 pass |
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2834 setattr(test_class, test_name, test_wrapper) |
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2835 |
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2836 def _get_parser(self, tester): |
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2837 parser = argparse.ArgumentParser( |
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2838 *tester.parser_signature.args, |
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2839 **tester.parser_signature.kwargs) |
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2840 for argument_sig in getattr(tester, 'argument_signatures', []): |
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2841 parser.add_argument(*argument_sig.args, |
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2842 **argument_sig.kwargs) |
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2843 group_sigs = getattr(tester, 'argument_group_signatures', []) |
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2844 for group_sig, argument_sigs in group_sigs: |
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2845 group = parser.add_argument_group(*group_sig.args, |
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2846 **group_sig.kwargs) |
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2847 for argument_sig in argument_sigs: |
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2848 group.add_argument(*argument_sig.args, |
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2849 **argument_sig.kwargs) |
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|
2850 subparsers_sigs = getattr(tester, 'subparsers_signatures', []) |
|
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2851 if subparsers_sigs: |
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|
2852 subparsers = parser.add_subparsers() |
|
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|
2853 for subparser_sig in subparsers_sigs: |
|
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|
2854 subparsers.add_parser(*subparser_sig.args, |
|
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|
2855 **subparser_sig.kwargs) |
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2856 return parser |
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2857 |
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2858 def _test(self, tester, parser_text): |
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2859 expected_text = getattr(tester, self.func_suffix) |
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2860 expected_text = textwrap.dedent(expected_text) |
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2861 if expected_text != parser_text: |
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2862 print(repr(expected_text)) |
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2863 print(repr(parser_text)) |
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2864 for char1, char2 in zip(expected_text, parser_text): |
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2865 if char1 != char2: |
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2866 print('first diff: %r %r' % (char1, char2)) |
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2867 break |
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2868 tester.assertEqual(expected_text, parser_text) |
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2869 |
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2870 def test_format(self, tester): |
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2871 parser = self._get_parser(tester) |
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2872 format = getattr(parser, 'format_%s' % self.func_suffix) |
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2873 self._test(tester, format()) |
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2874 |
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2875 def test_print(self, tester): |
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2876 parser = self._get_parser(tester) |
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2877 print_ = getattr(parser, 'print_%s' % self.func_suffix) |
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2878 old_stream = getattr(sys, self.std_name) |
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2879 setattr(sys, self.std_name, StdIOBuffer()) |
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2880 try: |
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2881 print_() |
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2882 parser_text = getattr(sys, self.std_name).getvalue() |
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2883 finally: |
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2884 setattr(sys, self.std_name, old_stream) |
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2885 self._test(tester, parser_text) |
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2886 |
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2887 def test_print_file(self, tester): |
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2888 parser = self._get_parser(tester) |
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2889 print_ = getattr(parser, 'print_%s' % self.func_suffix) |
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2890 sfile = StdIOBuffer() |
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2891 print_(sfile) |
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2892 parser_text = sfile.getvalue() |
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2893 self._test(tester, parser_text) |
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2894 |
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2895 # add tests for {format,print}_{usage,help,version} |
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2896 for func_suffix, std_name in [('usage', 'stdout'), |
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2897 ('help', 'stdout'), |
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2898 ('version', 'stderr')]: |
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2899 AddTests(cls, func_suffix, std_name) |
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2900 |
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2901 bases = TestCase, |
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2902 HelpTestCase = TestHelpFormattingMetaclass('HelpTestCase', bases, {}) |
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2903 |
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2904 |
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2905 class TestHelpBiggerOptionals(HelpTestCase): |
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2906 """Make sure that argument help aligns when options are longer""" |
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2907 |
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2908 parser_signature = Sig(prog='PROG', description='DESCRIPTION', |
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2909 epilog='EPILOG', version='0.1') |
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2910 argument_signatures = [ |
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2911 Sig('-x', action='store_true', help='X HELP'), |
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2912 Sig('--y', help='Y HELP'), |
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2913 Sig('foo', help='FOO HELP'), |
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2914 Sig('bar', help='BAR HELP'), |
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2915 ] |
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2916 argument_group_signatures = [] |
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2917 usage = '''\ |
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2918 usage: PROG [-h] [-v] [-x] [--y Y] foo bar |
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2919 ''' |
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2920 help = usage + '''\ |
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2921 |
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2922 DESCRIPTION |
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2923 |
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2924 positional arguments: |
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2925 foo FOO HELP |
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2926 bar BAR HELP |
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2927 |
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2928 optional arguments: |
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2929 -h, --help show this help message and exit |
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2930 -v, --version show program's version number and exit |
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2931 -x X HELP |
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2932 --y Y Y HELP |
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2933 |
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2934 EPILOG |
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2935 ''' |
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2936 version = '''\ |
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2937 0.1 |
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2938 ''' |
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2939 |
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2940 |
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2941 class TestHelpBiggerOptionalGroups(HelpTestCase): |
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2942 """Make sure that argument help aligns when options are longer""" |
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2943 |
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2944 parser_signature = Sig(prog='PROG', description='DESCRIPTION', |
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2945 epilog='EPILOG', version='0.1') |
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2946 argument_signatures = [ |
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2947 Sig('-x', action='store_true', help='X HELP'), |
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2948 Sig('--y', help='Y HELP'), |
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2949 Sig('foo', help='FOO HELP'), |
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2950 Sig('bar', help='BAR HELP'), |
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2951 ] |
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2952 argument_group_signatures = [ |
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2953 (Sig('GROUP TITLE', description='GROUP DESCRIPTION'), [ |
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2954 Sig('baz', help='BAZ HELP'), |
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2955 Sig('-z', nargs='+', help='Z HELP')]), |
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2956 ] |
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2957 usage = '''\ |
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2958 usage: PROG [-h] [-v] [-x] [--y Y] [-z Z [Z ...]] foo bar baz |
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2959 ''' |
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2960 help = usage + '''\ |
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2961 |
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2962 DESCRIPTION |
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2963 |
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2964 positional arguments: |
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2965 foo FOO HELP |
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2966 bar BAR HELP |
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2967 |
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2968 optional arguments: |
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2969 -h, --help show this help message and exit |
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2970 -v, --version show program's version number and exit |
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2971 -x X HELP |
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2972 --y Y Y HELP |
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2973 |
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2974 GROUP TITLE: |
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2975 GROUP DESCRIPTION |
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2976 |
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2977 baz BAZ HELP |
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2978 -z Z [Z ...] Z HELP |
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2979 |
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2980 EPILOG |
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2981 ''' |
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2982 version = '''\ |
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2983 0.1 |
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2984 ''' |
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2985 |
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2986 |
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2987 class TestHelpBiggerPositionals(HelpTestCase): |
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2988 """Make sure that help aligns when arguments are longer""" |
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2989 |
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2990 parser_signature = Sig(usage='USAGE', description='DESCRIPTION') |
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2991 argument_signatures = [ |
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2992 Sig('-x', action='store_true', help='X HELP'), |
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2993 Sig('--y', help='Y HELP'), |
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2994 Sig('ekiekiekifekang', help='EKI HELP'), |
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2995 Sig('bar', help='BAR HELP'), |
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2996 ] |
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2997 argument_group_signatures = [] |
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2998 usage = '''\ |
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2999 usage: USAGE |
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3000 ''' |
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3001 help = usage + '''\ |
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3002 |
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3003 DESCRIPTION |
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3004 |
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3005 positional arguments: |
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3006 ekiekiekifekang EKI HELP |
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3007 bar BAR HELP |
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3008 |
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3009 optional arguments: |
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3010 -h, --help show this help message and exit |
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3011 -x X HELP |
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3012 --y Y Y HELP |
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3013 ''' |
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3014 |
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3015 version = '' |
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3016 |
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3017 |
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3018 class TestHelpReformatting(HelpTestCase): |
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3019 """Make sure that text after short names starts on the first line""" |
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3020 |
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3021 parser_signature = Sig( |
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3022 prog='PROG', |
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3023 description=' oddly formatted\n' |
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3024 'description\n' |
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3025 '\n' |
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3026 'that is so long that it should go onto multiple ' |
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3027 'lines when wrapped') |
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3028 argument_signatures = [ |
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3029 Sig('-x', metavar='XX', help='oddly\n' |
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3030 ' formatted -x help'), |
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3031 Sig('y', metavar='yyy', help='normal y help'), |
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3032 ] |
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3033 argument_group_signatures = [ |
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3034 (Sig('title', description='\n' |
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3035 ' oddly formatted group\n' |
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3036 '\n' |
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3037 'description'), |
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3038 [Sig('-a', action='store_true', |
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3039 help=' oddly \n' |
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3040 'formatted -a help \n' |
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3041 ' again, so long that it should be wrapped over ' |
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3042 'multiple lines')]), |
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3043 ] |
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3044 usage = '''\ |
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3045 usage: PROG [-h] [-x XX] [-a] yyy |
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3046 ''' |
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3047 help = usage + '''\ |
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3048 |
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3049 oddly formatted description that is so long that it should go onto \ |
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3050 multiple |
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3051 lines when wrapped |
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3052 |
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3053 positional arguments: |
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3054 yyy normal y help |
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3055 |
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3056 optional arguments: |
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3057 -h, --help show this help message and exit |
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3058 -x XX oddly formatted -x help |
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3059 |
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3060 title: |
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3061 oddly formatted group description |
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3062 |
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3063 -a oddly formatted -a help again, so long that it should \ |
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3064 be wrapped |
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3065 over multiple lines |
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3066 ''' |
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3067 version = '' |
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3068 |
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3069 |
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3070 class TestHelpWrappingShortNames(HelpTestCase): |
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3071 """Make sure that text after short names starts on the first line""" |
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3072 |
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3073 parser_signature = Sig(prog='PROG', description= 'D\nD' * 30) |
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3074 argument_signatures = [ |
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3075 Sig('-x', metavar='XX', help='XHH HX' * 20), |
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3076 Sig('y', metavar='yyy', help='YH YH' * 20), |
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3077 ] |
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3078 argument_group_signatures = [ |
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3079 (Sig('ALPHAS'), [ |
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3080 Sig('-a', action='store_true', help='AHHH HHA' * 10)]), |
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3081 ] |
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3082 usage = '''\ |
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3083 usage: PROG [-h] [-x XX] [-a] yyy |
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3084 ''' |
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3085 help = usage + '''\ |
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3086 |
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3087 D DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD \ |
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3088 DD DD DD |
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3089 DD DD DD DD D |
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3090 |
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3091 positional arguments: |
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3092 yyy YH YHYH YHYH YHYH YHYH YHYH YHYH YHYH YHYH YHYH YHYH \ |
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3093 YHYH YHYH |
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3094 YHYH YHYH YHYH YHYH YHYH YHYH YHYH YH |
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3095 |
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3096 optional arguments: |
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3097 -h, --help show this help message and exit |
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3098 -x XX XHH HXXHH HXXHH HXXHH HXXHH HXXHH HXXHH HXXHH HXXHH \ |
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3099 HXXHH HXXHH |
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3100 HXXHH HXXHH HXXHH HXXHH HXXHH HXXHH HXXHH HXXHH HXXHH HX |
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3101 |
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3102 ALPHAS: |
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3103 -a AHHH HHAAHHH HHAAHHH HHAAHHH HHAAHHH HHAAHHH HHAAHHH \ |
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3104 HHAAHHH |
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3105 HHAAHHH HHAAHHH HHA |
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3106 ''' |
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3107 version = '' |
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3108 |
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3109 |
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3110 class TestHelpWrappingLongNames(HelpTestCase): |
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3111 """Make sure that text after long names starts on the next line""" |
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3112 |
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3113 parser_signature = Sig(usage='USAGE', description= 'D D' * 30, |
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3114 version='V V'*30) |
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3115 argument_signatures = [ |
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3116 Sig('-x', metavar='X' * 25, help='XH XH' * 20), |
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3117 Sig('y', metavar='y' * 25, help='YH YH' * 20), |
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3118 ] |
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3119 argument_group_signatures = [ |
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3120 (Sig('ALPHAS'), [ |
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3121 Sig('-a', metavar='A' * 25, help='AH AH' * 20), |
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3122 Sig('z', metavar='z' * 25, help='ZH ZH' * 20)]), |
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3123 ] |
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3124 usage = '''\ |
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3125 usage: USAGE |
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3126 ''' |
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3127 help = usage + '''\ |
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3128 |
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3129 D DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD DD \ |
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3130 DD DD DD |
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3131 DD DD DD DD D |
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3132 |
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3133 positional arguments: |
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3134 yyyyyyyyyyyyyyyyyyyyyyyyy |
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3135 YH YHYH YHYH YHYH YHYH YHYH YHYH YHYH YHYH \ |
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3136 YHYH YHYH |
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3137 YHYH YHYH YHYH YHYH YHYH YHYH YHYH YHYH YHYH YH |
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3138 |
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3139 optional arguments: |
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3140 -h, --help show this help message and exit |
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3141 -v, --version show program's version number and exit |
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3142 -x XXXXXXXXXXXXXXXXXXXXXXXXX |
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3143 XH XHXH XHXH XHXH XHXH XHXH XHXH XHXH XHXH \ |
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3144 XHXH XHXH |
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3145 XHXH XHXH XHXH XHXH XHXH XHXH XHXH XHXH XHXH XH |
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3146 |
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3147 ALPHAS: |
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3148 -a AAAAAAAAAAAAAAAAAAAAAAAAA |
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3149 AH AHAH AHAH AHAH AHAH AHAH AHAH AHAH AHAH \ |
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3150 AHAH AHAH |
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3151 AHAH AHAH AHAH AHAH AHAH AHAH AHAH AHAH AHAH AH |
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3152 zzzzzzzzzzzzzzzzzzzzzzzzz |
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3153 ZH ZHZH ZHZH ZHZH ZHZH ZHZH ZHZH ZHZH ZHZH \ |
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3154 ZHZH ZHZH |
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3155 ZHZH ZHZH ZHZH ZHZH ZHZH ZHZH ZHZH ZHZH ZHZH ZH |
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3156 ''' |
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3157 version = '''\ |
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3158 V VV VV VV VV VV VV VV VV VV VV VV VV VV VV VV VV VV VV VV VV VV VV \ |
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3159 VV VV VV |
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3160 VV VV VV VV V |
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3161 ''' |
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3162 |
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3163 |
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3164 class TestHelpUsage(HelpTestCase): |
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3165 """Test basic usage messages""" |
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3166 |
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3167 parser_signature = Sig(prog='PROG') |
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3168 argument_signatures = [ |
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3169 Sig('-w', nargs='+', help='w'), |
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3170 Sig('-x', nargs='*', help='x'), |
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3171 Sig('a', help='a'), |
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3172 Sig('b', help='b', nargs=2), |
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3173 Sig('c', help='c', nargs='?'), |
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3174 ] |
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3175 argument_group_signatures = [ |
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3176 (Sig('group'), [ |
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3177 Sig('-y', nargs='?', help='y'), |
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3178 Sig('-z', nargs=3, help='z'), |
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3179 Sig('d', help='d', nargs='*'), |
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3180 Sig('e', help='e', nargs='+'), |
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3181 ]) |
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3183 usage = '''\ |
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3184 usage: PROG [-h] [-w W [W ...]] [-x [X [X ...]]] [-y [Y]] [-z Z Z Z] |
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3185 a b b [c] [d [d ...]] e [e ...] |
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3186 ''' |
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3187 help = usage + '''\ |
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3188 |
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3189 positional arguments: |
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3190 a a |
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3191 b b |
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3192 c c |
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3193 |
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3194 optional arguments: |
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3195 -h, --help show this help message and exit |
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3196 -w W [W ...] w |
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3197 -x [X [X ...]] x |
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3198 |
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3199 group: |
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3200 -y [Y] y |
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3201 -z Z Z Z z |
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3202 d d |
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3203 e e |
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3204 ''' |
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3205 version = '' |
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3206 |
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3207 |
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3208 class TestHelpOnlyUserGroups(HelpTestCase): |
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3209 """Test basic usage messages""" |
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3210 |
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3211 parser_signature = Sig(prog='PROG', add_help=False) |
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3212 argument_signatures = [] |
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3213 argument_group_signatures = [ |
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3214 (Sig('xxxx'), [ |
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3215 Sig('-x', help='x'), |
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3216 Sig('a', help='a'), |
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3217 ]), |
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3218 (Sig('yyyy'), [ |
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3219 Sig('b', help='b'), |
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3220 Sig('-y', help='y'), |
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3221 ]), |
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3222 ] |
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3223 usage = '''\ |
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3224 usage: PROG [-x X] [-y Y] a b |
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3225 ''' |
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3226 help = usage + '''\ |
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3227 |
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3228 xxxx: |
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3229 -x X x |
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3230 a a |
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3231 |
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3232 yyyy: |
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3233 b b |
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3234 -y Y y |
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3235 ''' |
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3236 version = '' |
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3237 |
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3238 |
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3239 class TestHelpUsageLongProg(HelpTestCase): |
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3240 """Test usage messages where the prog is long""" |
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3241 |
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3242 parser_signature = Sig(prog='P' * 60) |
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3243 argument_signatures = [ |
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3244 Sig('-w', metavar='W'), |
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3245 Sig('-x', metavar='X'), |
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3246 Sig('a'), |
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3247 Sig('b'), |
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3248 ] |
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3249 argument_group_signatures = [] |
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3250 usage = '''\ |
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3251 usage: PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP |
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3252 [-h] [-w W] [-x X] a b |
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3253 ''' |
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3254 help = usage + '''\ |
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3255 |
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3256 positional arguments: |
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3257 a |
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3258 b |
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3259 |
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3260 optional arguments: |
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3261 -h, --help show this help message and exit |
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3262 -w W |
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3263 -x X |
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3264 ''' |
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3265 version = '' |
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3266 |
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3267 |
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3268 class TestHelpUsageLongProgOptionsWrap(HelpTestCase): |
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3269 """Test usage messages where the prog is long and the optionals wrap""" |
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3270 |
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3271 parser_signature = Sig(prog='P' * 60) |
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3272 argument_signatures = [ |
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3273 Sig('-w', metavar='W' * 25), |
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3274 Sig('-x', metavar='X' * 25), |
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3275 Sig('-y', metavar='Y' * 25), |
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3276 Sig('-z', metavar='Z' * 25), |
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3277 Sig('a'), |
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3278 Sig('b'), |
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3279 ] |
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3280 argument_group_signatures = [] |
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3281 usage = '''\ |
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3282 usage: PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP |
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3283 [-h] [-w WWWWWWWWWWWWWWWWWWWWWWWWW] \ |
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3284 [-x XXXXXXXXXXXXXXXXXXXXXXXXX] |
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3285 [-y YYYYYYYYYYYYYYYYYYYYYYYYY] [-z ZZZZZZZZZZZZZZZZZZZZZZZZZ] |
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3286 a b |
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3287 ''' |
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3288 help = usage + '''\ |
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3289 |
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3290 positional arguments: |
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3291 a |
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3292 b |
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3293 |
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3294 optional arguments: |
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3295 -h, --help show this help message and exit |
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3296 -w WWWWWWWWWWWWWWWWWWWWWWWWW |
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3297 -x XXXXXXXXXXXXXXXXXXXXXXXXX |
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3298 -y YYYYYYYYYYYYYYYYYYYYYYYYY |
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3299 -z ZZZZZZZZZZZZZZZZZZZZZZZZZ |
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3300 ''' |
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3301 version = '' |
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3302 |
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3303 |
|
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3304 class TestHelpUsageLongProgPositionalsWrap(HelpTestCase): |
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3305 """Test usage messages where the prog is long and the positionals wrap""" |
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3306 |
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3307 parser_signature = Sig(prog='P' * 60, add_help=False) |
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3308 argument_signatures = [ |
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3309 Sig('a' * 25), |
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3310 Sig('b' * 25), |
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3311 Sig('c' * 25), |
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3312 ] |
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3313 argument_group_signatures = [] |
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3314 usage = '''\ |
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3315 usage: PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP |
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3316 aaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbb |
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3317 ccccccccccccccccccccccccc |
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3318 ''' |
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3319 help = usage + '''\ |
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3320 |
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3321 positional arguments: |
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3322 aaaaaaaaaaaaaaaaaaaaaaaaa |
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3323 bbbbbbbbbbbbbbbbbbbbbbbbb |
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3324 ccccccccccccccccccccccccc |
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3325 ''' |
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3326 version = '' |
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3327 |
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3328 |
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3329 class TestHelpUsageOptionalsWrap(HelpTestCase): |
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3330 """Test usage messages where the optionals wrap""" |
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3331 |
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3332 parser_signature = Sig(prog='PROG') |
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3333 argument_signatures = [ |
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3334 Sig('-w', metavar='W' * 25), |
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3335 Sig('-x', metavar='X' * 25), |
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3336 Sig('-y', metavar='Y' * 25), |
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3337 Sig('-z', metavar='Z' * 25), |
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3338 Sig('a'), |
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3339 Sig('b'), |
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3340 Sig('c'), |
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3341 ] |
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3342 argument_group_signatures = [] |
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3343 usage = '''\ |
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3344 usage: PROG [-h] [-w WWWWWWWWWWWWWWWWWWWWWWWWW] \ |
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3345 [-x XXXXXXXXXXXXXXXXXXXXXXXXX] |
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3346 [-y YYYYYYYYYYYYYYYYYYYYYYYYY] \ |
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3347 [-z ZZZZZZZZZZZZZZZZZZZZZZZZZ] |
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3348 a b c |
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3349 ''' |
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3350 help = usage + '''\ |
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3351 |
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3352 positional arguments: |
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3353 a |
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3354 b |
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3355 c |
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3356 |
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3357 optional arguments: |
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3358 -h, --help show this help message and exit |
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3359 -w WWWWWWWWWWWWWWWWWWWWWWWWW |
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3360 -x XXXXXXXXXXXXXXXXXXXXXXXXX |
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3361 -y YYYYYYYYYYYYYYYYYYYYYYYYY |
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3362 -z ZZZZZZZZZZZZZZZZZZZZZZZZZ |
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3363 ''' |
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3364 version = '' |
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3365 |
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3366 |
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3367 class TestHelpUsagePositionalsWrap(HelpTestCase): |
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3368 """Test usage messages where the positionals wrap""" |
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3369 |
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3370 parser_signature = Sig(prog='PROG') |
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3371 argument_signatures = [ |
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3372 Sig('-x'), |
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3373 Sig('-y'), |
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3374 Sig('-z'), |
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3375 Sig('a' * 25), |
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3376 Sig('b' * 25), |
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3377 Sig('c' * 25), |
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3378 ] |
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3379 argument_group_signatures = [] |
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3380 usage = '''\ |
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3381 usage: PROG [-h] [-x X] [-y Y] [-z Z] |
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3382 aaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbb |
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3383 ccccccccccccccccccccccccc |
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3384 ''' |
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3385 help = usage + '''\ |
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3386 |
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3387 positional arguments: |
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3388 aaaaaaaaaaaaaaaaaaaaaaaaa |
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3389 bbbbbbbbbbbbbbbbbbbbbbbbb |
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3390 ccccccccccccccccccccccccc |
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3391 |
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3392 optional arguments: |
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3393 -h, --help show this help message and exit |
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3394 -x X |
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3395 -y Y |
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3396 -z Z |
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3397 ''' |
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3398 version = '' |
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3399 |
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3400 |
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3401 class TestHelpUsageOptionalsPositionalsWrap(HelpTestCase): |
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3402 """Test usage messages where the optionals and positionals wrap""" |
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3403 |
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3404 parser_signature = Sig(prog='PROG') |
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3405 argument_signatures = [ |
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3406 Sig('-x', metavar='X' * 25), |
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3407 Sig('-y', metavar='Y' * 25), |
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3408 Sig('-z', metavar='Z' * 25), |
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3409 Sig('a' * 25), |
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3410 Sig('b' * 25), |
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3411 Sig('c' * 25), |
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3412 ] |
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3413 argument_group_signatures = [] |
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3414 usage = '''\ |
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3415 usage: PROG [-h] [-x XXXXXXXXXXXXXXXXXXXXXXXXX] \ |
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3416 [-y YYYYYYYYYYYYYYYYYYYYYYYYY] |
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3417 [-z ZZZZZZZZZZZZZZZZZZZZZZZZZ] |
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3418 aaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbb |
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3419 ccccccccccccccccccccccccc |
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3420 ''' |
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3421 help = usage + '''\ |
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3422 |
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3423 positional arguments: |
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3424 aaaaaaaaaaaaaaaaaaaaaaaaa |
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3425 bbbbbbbbbbbbbbbbbbbbbbbbb |
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3426 ccccccccccccccccccccccccc |
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3427 |
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3428 optional arguments: |
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3429 -h, --help show this help message and exit |
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3430 -x XXXXXXXXXXXXXXXXXXXXXXXXX |
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3431 -y YYYYYYYYYYYYYYYYYYYYYYYYY |
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3432 -z ZZZZZZZZZZZZZZZZZZZZZZZZZ |
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3433 ''' |
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3434 version = '' |
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3435 |
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3436 |
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3437 class TestHelpUsageOptionalsOnlyWrap(HelpTestCase): |
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3438 """Test usage messages where there are only optionals and they wrap""" |
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3439 |
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3440 parser_signature = Sig(prog='PROG') |
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3441 argument_signatures = [ |
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3442 Sig('-x', metavar='X' * 25), |
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3443 Sig('-y', metavar='Y' * 25), |
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3444 Sig('-z', metavar='Z' * 25), |
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3445 ] |
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3446 argument_group_signatures = [] |
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3447 usage = '''\ |
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3448 usage: PROG [-h] [-x XXXXXXXXXXXXXXXXXXXXXXXXX] \ |
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3449 [-y YYYYYYYYYYYYYYYYYYYYYYYYY] |
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3450 [-z ZZZZZZZZZZZZZZZZZZZZZZZZZ] |
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3451 ''' |
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3452 help = usage + '''\ |
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3453 |
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3454 optional arguments: |
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3455 -h, --help show this help message and exit |
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3456 -x XXXXXXXXXXXXXXXXXXXXXXXXX |
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3457 -y YYYYYYYYYYYYYYYYYYYYYYYYY |
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3458 -z ZZZZZZZZZZZZZZZZZZZZZZZZZ |
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3459 ''' |
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3460 version = '' |
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3461 |
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3462 |
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3463 class TestHelpUsagePositionalsOnlyWrap(HelpTestCase): |
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3464 """Test usage messages where there are only positionals and they wrap""" |
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3465 |
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3466 parser_signature = Sig(prog='PROG', add_help=False) |
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3467 argument_signatures = [ |
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3468 Sig('a' * 25), |
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3469 Sig('b' * 25), |
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3470 Sig('c' * 25), |
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3471 ] |
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3472 argument_group_signatures = [] |
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3473 usage = '''\ |
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3474 usage: PROG aaaaaaaaaaaaaaaaaaaaaaaaa bbbbbbbbbbbbbbbbbbbbbbbbb |
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3475 ccccccccccccccccccccccccc |
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3476 ''' |
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3477 help = usage + '''\ |
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3478 |
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3479 positional arguments: |
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3480 aaaaaaaaaaaaaaaaaaaaaaaaa |
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3481 bbbbbbbbbbbbbbbbbbbbbbbbb |
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3482 ccccccccccccccccccccccccc |
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3483 ''' |
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3484 version = '' |
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3485 |
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3486 |
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3487 class TestHelpVariableExpansion(HelpTestCase): |
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3488 """Test that variables are expanded properly in help messages""" |
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3489 |
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3490 parser_signature = Sig(prog='PROG') |
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3491 argument_signatures = [ |
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3492 Sig('-x', type=int, |
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3493 help='x %(prog)s %(default)s %(type)s %%'), |
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3494 Sig('-y', action='store_const', default=42, const='XXX', |
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3495 help='y %(prog)s %(default)s %(const)s'), |
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3496 Sig('--foo', choices='abc', |
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3497 help='foo %(prog)s %(default)s %(choices)s'), |
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3498 Sig('--bar', default='baz', choices=[1, 2], metavar='BBB', |
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3499 help='bar %(prog)s %(default)s %(dest)s'), |
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3500 Sig('spam', help='spam %(prog)s %(default)s'), |
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3501 Sig('badger', default=0.5, help='badger %(prog)s %(default)s'), |
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3502 ] |
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3503 argument_group_signatures = [ |
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3504 (Sig('group'), [ |
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3505 Sig('-a', help='a %(prog)s %(default)s'), |
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3506 Sig('-b', default=-1, help='b %(prog)s %(default)s'), |
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3507 ]) |
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3508 ] |
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3509 usage = ('''\ |
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3510 usage: PROG [-h] [-x X] [-y] [--foo {a,b,c}] [--bar BBB] [-a A] [-b B] |
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3511 spam badger |
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3512 ''') |
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3513 help = usage + '''\ |
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3514 |
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3515 positional arguments: |
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3516 spam spam PROG None |
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3517 badger badger PROG 0.5 |
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3518 |
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3519 optional arguments: |
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3520 -h, --help show this help message and exit |
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3521 -x X x PROG None int % |
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3522 -y y PROG 42 XXX |
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3523 --foo {a,b,c} foo PROG None a, b, c |
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3524 --bar BBB bar PROG baz bar |
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3525 |
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3526 group: |
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3527 -a A a PROG None |
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3528 -b B b PROG -1 |
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3529 ''' |
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3530 version = '' |
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3531 |
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3532 |
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3533 class TestHelpVariableExpansionUsageSupplied(HelpTestCase): |
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3534 """Test that variables are expanded properly when usage= is present""" |
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3535 |
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3536 parser_signature = Sig(prog='PROG', usage='%(prog)s FOO') |
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3537 argument_signatures = [] |
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3538 argument_group_signatures = [] |
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3539 usage = ('''\ |
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3540 usage: PROG FOO |
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3541 ''') |
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3542 help = usage + '''\ |
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3543 |
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3544 optional arguments: |
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3545 -h, --help show this help message and exit |
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3546 ''' |
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3547 version = '' |
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3548 |
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3549 |
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3550 class TestHelpVariableExpansionNoArguments(HelpTestCase): |
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3551 """Test that variables are expanded properly with no arguments""" |
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3552 |
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3553 parser_signature = Sig(prog='PROG', add_help=False) |
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3554 argument_signatures = [] |
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3555 argument_group_signatures = [] |
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3556 usage = ('''\ |
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3557 usage: PROG |
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3558 ''') |
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3559 help = usage |
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3560 version = '' |
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3561 |
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3562 |
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3563 class TestHelpSuppressUsage(HelpTestCase): |
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3564 """Test that items can be suppressed in usage messages""" |
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3565 |
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3566 parser_signature = Sig(prog='PROG', usage=argparse.SUPPRESS) |
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3567 argument_signatures = [ |
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3568 Sig('--foo', help='foo help'), |
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3569 Sig('spam', help='spam help'), |
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3570 ] |
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3571 argument_group_signatures = [] |
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3572 help = '''\ |
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3573 positional arguments: |
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3574 spam spam help |
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3575 |
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3576 optional arguments: |
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3577 -h, --help show this help message and exit |
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3578 --foo FOO foo help |
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3579 ''' |
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3580 usage = '' |
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3581 version = '' |
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3582 |
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3583 |
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3584 class TestHelpSuppressOptional(HelpTestCase): |
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3585 """Test that optional arguments can be suppressed in help messages""" |
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3586 |
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3587 parser_signature = Sig(prog='PROG', add_help=False) |
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3588 argument_signatures = [ |
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3589 Sig('--foo', help=argparse.SUPPRESS), |
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3590 Sig('spam', help='spam help'), |
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3591 ] |
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3592 argument_group_signatures = [] |
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3593 usage = '''\ |
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3594 usage: PROG spam |
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3595 ''' |
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3596 help = usage + '''\ |
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3597 |
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3598 positional arguments: |
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3599 spam spam help |
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3600 ''' |
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3601 version = '' |
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3602 |
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3603 |
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3604 class TestHelpSuppressOptionalGroup(HelpTestCase): |
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3605 """Test that optional groups can be suppressed in help messages""" |
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3606 |
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3607 parser_signature = Sig(prog='PROG') |
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3608 argument_signatures = [ |
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3609 Sig('--foo', help='foo help'), |
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3610 Sig('spam', help='spam help'), |
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3611 ] |
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3612 argument_group_signatures = [ |
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3613 (Sig('group'), [Sig('--bar', help=argparse.SUPPRESS)]), |
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3614 ] |
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3615 usage = '''\ |
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3616 usage: PROG [-h] [--foo FOO] spam |
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3617 ''' |
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3618 help = usage + '''\ |
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3619 |
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3620 positional arguments: |
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3621 spam spam help |
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3622 |
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3623 optional arguments: |
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3624 -h, --help show this help message and exit |
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3625 --foo FOO foo help |
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3626 ''' |
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3627 version = '' |
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3628 |
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3629 |
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3630 class TestHelpSuppressPositional(HelpTestCase): |
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3631 """Test that positional arguments can be suppressed in help messages""" |
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3632 |
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3633 parser_signature = Sig(prog='PROG') |
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3634 argument_signatures = [ |
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3635 Sig('--foo', help='foo help'), |
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3636 Sig('spam', help=argparse.SUPPRESS), |
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3637 ] |
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3638 argument_group_signatures = [] |
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3639 usage = '''\ |
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3640 usage: PROG [-h] [--foo FOO] |
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3641 ''' |
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3642 help = usage + '''\ |
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3643 |
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3644 optional arguments: |
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3645 -h, --help show this help message and exit |
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3646 --foo FOO foo help |
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3647 ''' |
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3648 version = '' |
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3649 |
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3650 |
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3651 class TestHelpRequiredOptional(HelpTestCase): |
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3652 """Test that required options don't look optional""" |
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3653 |
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3654 parser_signature = Sig(prog='PROG') |
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3655 argument_signatures = [ |
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3656 Sig('--foo', required=True, help='foo help'), |
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3657 ] |
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3658 argument_group_signatures = [] |
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3659 usage = '''\ |
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3660 usage: PROG [-h] --foo FOO |
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3661 ''' |
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3662 help = usage + '''\ |
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3663 |
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3664 optional arguments: |
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3665 -h, --help show this help message and exit |
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3666 --foo FOO foo help |
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3667 ''' |
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3668 version = '' |
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3669 |
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3670 |
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3671 class TestHelpAlternatePrefixChars(HelpTestCase): |
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3672 """Test that options display with different prefix characters""" |
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3673 |
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3674 parser_signature = Sig(prog='PROG', prefix_chars='^;', add_help=False) |
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3675 argument_signatures = [ |
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3676 Sig('^^foo', action='store_true', help='foo help'), |
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3677 Sig(';b', ';;bar', help='bar help'), |
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3678 ] |
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3679 argument_group_signatures = [] |
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3680 usage = '''\ |
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3681 usage: PROG [^^foo] [;b BAR] |
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3682 ''' |
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3683 help = usage + '''\ |
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3684 |
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3685 optional arguments: |
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3686 ^^foo foo help |
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3687 ;b BAR, ;;bar BAR bar help |
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3688 ''' |
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3689 version = '' |
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3690 |
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3691 |
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3692 class TestHelpNoHelpOptional(HelpTestCase): |
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3693 """Test that the --help argument can be suppressed help messages""" |
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3694 |
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3695 parser_signature = Sig(prog='PROG', add_help=False) |
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3696 argument_signatures = [ |
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3697 Sig('--foo', help='foo help'), |
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3698 Sig('spam', help='spam help'), |
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3699 ] |
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3700 argument_group_signatures = [] |
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3701 usage = '''\ |
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3702 usage: PROG [--foo FOO] spam |
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3703 ''' |
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3704 help = usage + '''\ |
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3705 |
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3706 positional arguments: |
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3707 spam spam help |
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3708 |
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3709 optional arguments: |
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3710 --foo FOO foo help |
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3711 ''' |
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3712 version = '' |
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3713 |
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3714 |
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3715 class TestHelpVersionOptional(HelpTestCase): |
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3716 """Test that the --version argument can be suppressed help messages""" |
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3717 |
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3718 parser_signature = Sig(prog='PROG', version='1.0') |
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3719 argument_signatures = [ |
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3720 Sig('--foo', help='foo help'), |
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3721 Sig('spam', help='spam help'), |
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3722 ] |
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3723 argument_group_signatures = [] |
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3724 usage = '''\ |
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3725 usage: PROG [-h] [-v] [--foo FOO] spam |
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3726 ''' |
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3727 help = usage + '''\ |
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3728 |
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3729 positional arguments: |
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3730 spam spam help |
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3731 |
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3732 optional arguments: |
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3733 -h, --help show this help message and exit |
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3734 -v, --version show program's version number and exit |
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3735 --foo FOO foo help |
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3736 ''' |
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3737 version = '''\ |
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3738 1.0 |
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3739 ''' |
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3740 |
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3741 |
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3742 class TestHelpNone(HelpTestCase): |
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3743 """Test that no errors occur if no help is specified""" |
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3744 |
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3745 parser_signature = Sig(prog='PROG') |
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3746 argument_signatures = [ |
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3747 Sig('--foo'), |
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3748 Sig('spam'), |
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3749 ] |
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3750 argument_group_signatures = [] |
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3751 usage = '''\ |
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3752 usage: PROG [-h] [--foo FOO] spam |
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3753 ''' |
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3754 help = usage + '''\ |
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3755 |
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3756 positional arguments: |
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3757 spam |
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3758 |
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3759 optional arguments: |
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3760 -h, --help show this help message and exit |
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3761 --foo FOO |
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3762 ''' |
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3763 version = '' |
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3764 |
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3765 |
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3766 class TestHelpTupleMetavar(HelpTestCase): |
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3767 """Test specifying metavar as a tuple""" |
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3768 |
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3769 parser_signature = Sig(prog='PROG') |
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3770 argument_signatures = [ |
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3771 Sig('-w', help='w', nargs='+', metavar=('W1', 'W2')), |
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3772 Sig('-x', help='x', nargs='*', metavar=('X1', 'X2')), |
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3773 Sig('-y', help='y', nargs=3, metavar=('Y1', 'Y2', 'Y3')), |
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3774 Sig('-z', help='z', nargs='?', metavar=('Z1', )), |
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3775 ] |
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3776 argument_group_signatures = [] |
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3777 usage = '''\ |
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3778 usage: PROG [-h] [-w W1 [W2 ...]] [-x [X1 [X2 ...]]] [-y Y1 Y2 Y3] \ |
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3779 [-z [Z1]] |
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3780 ''' |
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3781 help = usage + '''\ |
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3782 |
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3783 optional arguments: |
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3784 -h, --help show this help message and exit |
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3785 -w W1 [W2 ...] w |
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3786 -x [X1 [X2 ...]] x |
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3787 -y Y1 Y2 Y3 y |
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3788 -z [Z1] z |
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3789 ''' |
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3790 version = '' |
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3791 |
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3792 |
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3793 class TestHelpRawText(HelpTestCase): |
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3794 """Test the RawTextHelpFormatter""" |
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3795 |
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3796 parser_signature = Sig( |
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3797 prog='PROG', formatter_class=argparse.RawTextHelpFormatter, |
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3798 description='Keep the formatting\n' |
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3799 ' exactly as it is written\n' |
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3800 '\n' |
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3801 'here\n') |
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3802 |
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3803 argument_signatures = [ |
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3804 Sig('--foo', help=' foo help should also\n' |
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3805 'appear as given here'), |
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3806 Sig('spam', help='spam help'), |
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3807 ] |
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3808 argument_group_signatures = [ |
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3809 (Sig('title', description=' This text\n' |
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3810 ' should be indented\n' |
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3811 ' exactly like it is here\n'), |
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3812 [Sig('--bar', help='bar help')]), |
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3813 ] |
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3814 usage = '''\ |
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3815 usage: PROG [-h] [--foo FOO] [--bar BAR] spam |
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3816 ''' |
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3817 help = usage + '''\ |
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3818 |
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3819 Keep the formatting |
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3820 exactly as it is written |
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3821 |
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3822 here |
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3823 |
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3824 positional arguments: |
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3825 spam spam help |
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3826 |
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3827 optional arguments: |
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3828 -h, --help show this help message and exit |
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3829 --foo FOO foo help should also |
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3830 appear as given here |
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3831 |
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3832 title: |
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3833 This text |
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3834 should be indented |
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3835 exactly like it is here |
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3836 |
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3837 --bar BAR bar help |
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3838 ''' |
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3839 version = '' |
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3840 |
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3841 |
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3842 class TestHelpRawDescription(HelpTestCase): |
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3843 """Test the RawTextHelpFormatter""" |
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3844 |
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3845 parser_signature = Sig( |
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3846 prog='PROG', formatter_class=argparse.RawDescriptionHelpFormatter, |
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3847 description='Keep the formatting\n' |
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3848 ' exactly as it is written\n' |
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3849 '\n' |
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3850 'here\n') |
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3851 |
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3852 argument_signatures = [ |
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3853 Sig('--foo', help=' foo help should not\n' |
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3854 ' retain this odd formatting'), |
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3855 Sig('spam', help='spam help'), |
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3856 ] |
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3857 argument_group_signatures = [ |
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3858 (Sig('title', description=' This text\n' |
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3859 ' should be indented\n' |
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3860 ' exactly like it is here\n'), |
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3861 [Sig('--bar', help='bar help')]), |
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3862 ] |
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3863 usage = '''\ |
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3864 usage: PROG [-h] [--foo FOO] [--bar BAR] spam |
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3865 ''' |
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3866 help = usage + '''\ |
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3867 |
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3868 Keep the formatting |
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3869 exactly as it is written |
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3870 |
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3871 here |
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3872 |
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3873 positional arguments: |
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3874 spam spam help |
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3875 |
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3876 optional arguments: |
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3877 -h, --help show this help message and exit |
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3878 --foo FOO foo help should not retain this odd formatting |
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3879 |
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3880 title: |
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3881 This text |
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3882 should be indented |
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3883 exactly like it is here |
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3884 |
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3885 --bar BAR bar help |
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3886 ''' |
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3887 version = '' |
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3888 |
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3889 |
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3890 class TestHelpArgumentDefaults(HelpTestCase): |
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3891 """Test the ArgumentDefaultsHelpFormatter""" |
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3892 |
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3893 parser_signature = Sig( |
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3894 prog='PROG', formatter_class=argparse.ArgumentDefaultsHelpFormatter, |
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3895 description='description') |
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3896 |
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3897 argument_signatures = [ |
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3898 Sig('--foo', help='foo help - oh and by the way, %(default)s'), |
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3899 Sig('--bar', action='store_true', help='bar help'), |
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3900 Sig('spam', help='spam help'), |
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3901 Sig('badger', nargs='?', default='wooden', help='badger help'), |
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3902 ] |
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3903 argument_group_signatures = [ |
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3904 (Sig('title', description='description'), |
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3905 [Sig('--baz', type=int, default=42, help='baz help')]), |
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3906 ] |
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3907 usage = '''\ |
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3908 usage: PROG [-h] [--foo FOO] [--bar] [--baz BAZ] spam [badger] |
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3909 ''' |
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3910 help = usage + '''\ |
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3911 |
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3912 description |
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3913 |
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3914 positional arguments: |
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3915 spam spam help |
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3916 badger badger help (default: wooden) |
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3917 |
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3918 optional arguments: |
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3919 -h, --help show this help message and exit |
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3920 --foo FOO foo help - oh and by the way, None |
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3921 --bar bar help (default: False) |
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3922 |
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3923 title: |
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3924 description |
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3925 |
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3926 --baz BAZ baz help (default: 42) |
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3927 ''' |
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3928 version = '' |
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3929 |
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61880
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3930 class TestHelpVersionAction(HelpTestCase): |
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3931 """Test the default help for the version action""" |
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3932 |
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3933 parser_signature = Sig(prog='PROG', description='description') |
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3934 argument_signatures = [Sig('-V', '--version', action='version', version='3.6')] |
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3935 argument_group_signatures = [] |
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3936 usage = '''\ |
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3937 usage: PROG [-h] [-V] |
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3938 ''' |
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3939 help = usage + '''\ |
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3940 |
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3941 description |
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3942 |
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3943 optional arguments: |
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3944 -h, --help show this help message and exit |
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3945 -V, --version show program's version number and exit |
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3946 ''' |
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3947 version = '' |
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3948 |
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69003
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3949 class TestHelpSubparsersOrdering(HelpTestCase): |
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3950 """Test ordering of subcommands in help matches the code""" |
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3951 parser_signature = Sig(prog='PROG', |
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3952 description='display some subcommands', |
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3953 version='0.1') |
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3954 |
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3955 subparsers_signatures = [Sig(name=name) |
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3956 for name in ('a', 'b', 'c', 'd', 'e')] |
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3957 |
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3958 usage = '''\ |
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3959 usage: PROG [-h] [-v] {a,b,c,d,e} ... |
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3960 ''' |
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3961 |
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3962 help = usage + '''\ |
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3963 |
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3964 display some subcommands |
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3965 |
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3966 positional arguments: |
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3967 {a,b,c,d,e} |
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3968 |
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3969 optional arguments: |
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3970 -h, --help show this help message and exit |
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3971 -v, --version show program's version number and exit |
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3972 ''' |
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3973 |
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3974 version = '''\ |
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3975 0.1 |
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3976 ''' |
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3977 |
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3978 class TestHelpSubparsersWithHelpOrdering(HelpTestCase): |
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3979 """Test ordering of subcommands in help matches the code""" |
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3980 parser_signature = Sig(prog='PROG', |
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3981 description='display some subcommands', |
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3982 version='0.1') |
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|
3983 |
|
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|
3984 subcommand_data = (('a', 'a subcommand help'), |
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Issue #9026: Fix order of argparse sub-commands in help messages.
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|
3985 ('b', 'b subcommand help'), |
|
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|
3986 ('c', 'c subcommand help'), |
|
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|
3987 ('d', 'd subcommand help'), |
|
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|
3988 ('e', 'e subcommand help'), |
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Issue #9026: Fix order of argparse sub-commands in help messages.
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|
3989 ) |
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Issue #9026: Fix order of argparse sub-commands in help messages.
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|
3990 |
|
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Issue #9026: Fix order of argparse sub-commands in help messages.
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|
3991 subparsers_signatures = [Sig(name=name, help=help) |
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|
3992 for name, help in subcommand_data] |
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3993 |
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Issue #9026: Fix order of argparse sub-commands in help messages.
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|
3994 usage = '''\ |
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3995 usage: PROG [-h] [-v] {a,b,c,d,e} ... |
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3996 ''' |
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|
3997 |
|
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3998 help = usage + '''\ |
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|
3999 |
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|
4000 display some subcommands |
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|
4001 |
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4002 positional arguments: |
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4003 {a,b,c,d,e} |
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4004 a a subcommand help |
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4005 b b subcommand help |
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4006 c c subcommand help |
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4007 d d subcommand help |
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4008 e e subcommand help |
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4009 |
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4010 optional arguments: |
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4011 -h, --help show this help message and exit |
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4012 -v, --version show program's version number and exit |
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4013 ''' |
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4014 |
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4015 version = '''\ |
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4016 0.1 |
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4017 ''' |
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4018 |
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4019 |
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68966
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4020 |
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|
4021 class TestHelpMetavarTypeFormatter(HelpTestCase): |
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4022 """""" |
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4023 |
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4024 def custom_type(string): |
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4025 return string |
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4026 |
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4027 parser_signature = Sig(prog='PROG', description='description', |
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4028 formatter_class=argparse.MetavarTypeHelpFormatter) |
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|
4029 argument_signatures = [Sig('a', type=int), |
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4030 Sig('-b', type=custom_type), |
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4031 Sig('-c', type=float, metavar='SOME FLOAT')] |
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4032 argument_group_signatures = [] |
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4033 usage = '''\ |
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4034 usage: PROG [-h] [-b custom_type] [-c SOME FLOAT] int |
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|
4035 ''' |
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|
4036 help = usage + '''\ |
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|
4037 |
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|
4038 description |
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4039 |
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|
4040 positional arguments: |
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|
4041 int |
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4042 |
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|
4043 optional arguments: |
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4044 -h, --help show this help message and exit |
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|
4045 -b custom_type |
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|
4046 -c SOME FLOAT |
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4047 ''' |
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4048 version = '' |
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4049 |
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4050 |
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4051 # ===================================== |
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4052 # Optional/Positional constructor tests |
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4053 # ===================================== |
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4054 |
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4055 class TestInvalidArgumentConstructors(TestCase): |
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4056 """Test a bunch of invalid Argument constructors""" |
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4057 |
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4058 def assertTypeError(self, *args, **kwargs): |
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4059 parser = argparse.ArgumentParser() |
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4060 self.assertRaises(TypeError, parser.add_argument, |
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4061 *args, **kwargs) |
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4062 |
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4063 def assertValueError(self, *args, **kwargs): |
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4064 parser = argparse.ArgumentParser() |
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4065 self.assertRaises(ValueError, parser.add_argument, |
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4066 *args, **kwargs) |
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4067 |
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4068 def test_invalid_keyword_arguments(self): |
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4069 self.assertTypeError('-x', bar=None) |
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4070 self.assertTypeError('-y', callback='foo') |
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|
4071 self.assertTypeError('-y', callback_args=()) |
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4072 self.assertTypeError('-y', callback_kwargs={}) |
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4073 |
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4074 def test_missing_destination(self): |
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4075 self.assertTypeError() |
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4076 for action in ['append', 'store']: |
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4077 self.assertTypeError(action=action) |
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4078 |
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4079 def test_invalid_option_strings(self): |
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4080 self.assertValueError('--') |
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4081 self.assertValueError('---') |
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4082 |
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4083 def test_invalid_type(self): |
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4084 self.assertValueError('--foo', type='int') |
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4085 self.assertValueError('--foo', type=(int, float)) |
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4086 |
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4087 def test_invalid_action(self): |
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4088 self.assertValueError('-x', action='foo') |
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4089 self.assertValueError('foo', action='baz') |
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Issue #9347: Fix formatting for tuples in argparse type= error messages.
Steven Bethard <steven.bethard@gmail.com>
parents:
69003
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|
4090 self.assertValueError('--foo', action=('store', 'append')) |
|
59275
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4091 parser = argparse.ArgumentParser() |
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|
4092 try: |
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|
4093 parser.add_argument("--foo", action="store-true") |
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4094 except ValueError: |
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4095 e = sys.exc_info()[1] |
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4096 expected = 'unknown action' |
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4097 msg = 'expected %r, found %r' % (expected, e) |
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|
4098 self.assertTrue(expected in str(e), msg) |
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4099 |
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4100 def test_multiple_dest(self): |
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4101 parser = argparse.ArgumentParser() |
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4102 parser.add_argument(dest='foo') |
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4103 try: |
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4104 parser.add_argument('bar', dest='baz') |
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4105 except ValueError: |
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4106 e = sys.exc_info()[1] |
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4107 expected = 'dest supplied twice for positional argument' |
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4108 msg = 'expected %r, found %r' % (expected, e) |
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4109 self.assertTrue(expected in str(e), msg) |
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4110 |
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4111 def test_no_argument_actions(self): |
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4112 for action in ['store_const', 'store_true', 'store_false', |
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4113 'append_const', 'count']: |
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4114 for attrs in [dict(type=int), dict(nargs='+'), |
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4115 dict(choices='ab')]: |
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4116 self.assertTypeError('-x', action=action, **attrs) |
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4117 |
|
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4118 def test_no_argument_no_const_actions(self): |
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4119 # options with zero arguments |
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4120 for action in ['store_true', 'store_false', 'count']: |
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4121 |
|
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4122 # const is always disallowed |
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4123 self.assertTypeError('-x', const='foo', action=action) |
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4124 |
|
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4125 # nargs is always disallowed |
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4126 self.assertTypeError('-x', nargs='*', action=action) |
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4127 |
|
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4128 def test_more_than_one_argument_actions(self): |
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4129 for action in ['store', 'append']: |
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4130 |
|
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4131 # nargs=0 is disallowed |
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4132 self.assertValueError('-x', nargs=0, action=action) |
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4133 self.assertValueError('spam', nargs=0, action=action) |
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4134 |
|
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4135 # const is disallowed with non-optional arguments |
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4136 for nargs in [1, '*', '+']: |
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4137 self.assertValueError('-x', const='foo', |
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4138 nargs=nargs, action=action) |
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4139 self.assertValueError('spam', const='foo', |
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4140 nargs=nargs, action=action) |
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|
4141 |
|
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4142 def test_required_const_actions(self): |
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4143 for action in ['store_const', 'append_const']: |
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4144 |
|
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4145 # nargs is always disallowed |
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4146 self.assertTypeError('-x', nargs='+', action=action) |
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4147 |
|
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4148 def test_parsers_action_missing_params(self): |
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4149 self.assertTypeError('command', action='parsers') |
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4150 self.assertTypeError('command', action='parsers', prog='PROG') |
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4151 self.assertTypeError('command', action='parsers', |
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4152 parser_class=argparse.ArgumentParser) |
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4153 |
|
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4154 def test_required_positional(self): |
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4155 self.assertTypeError('foo', required=True) |
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4156 |
|
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4157 def test_user_defined_action(self): |
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4158 |
|
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4159 class Success(Exception): |
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4160 pass |
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|
4161 |
|
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4162 class Action(object): |
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|
4163 |
|
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4164 def __init__(self, |
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4165 option_strings, |
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4166 dest, |
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|
4167 const, |
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4168 default, |
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4169 required=False): |
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4170 if dest == 'spam': |
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4171 if const is Success: |
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|
4172 if default is Success: |
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4173 raise Success() |
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|
4174 |
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4175 def __call__(self, *args, **kwargs): |
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4176 pass |
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|
4177 |
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4178 parser = argparse.ArgumentParser() |
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4179 self.assertRaises(Success, parser.add_argument, '--spam', |
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4180 action=Action, default=Success, const=Success) |
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4181 self.assertRaises(Success, parser.add_argument, 'spam', |
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4182 action=Action, default=Success, const=Success) |
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|
4183 |
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4184 # ================================ |
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4185 # Actions returned by add_argument |
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4186 # ================================ |
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4187 |
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4188 class TestActionsReturned(TestCase): |
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4189 |
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4190 def test_dest(self): |
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4191 parser = argparse.ArgumentParser() |
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4192 action = parser.add_argument('--foo') |
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4193 self.assertEqual(action.dest, 'foo') |
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4194 action = parser.add_argument('-b', '--bar') |
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4195 self.assertEqual(action.dest, 'bar') |
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4196 action = parser.add_argument('-x', '-y') |
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4197 self.assertEqual(action.dest, 'x') |
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4198 |
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4199 def test_misc(self): |
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4200 parser = argparse.ArgumentParser() |
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4201 action = parser.add_argument('--foo', nargs='?', const=42, |
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4202 default=84, type=int, choices=[1, 2], |
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4203 help='FOO', metavar='BAR', dest='baz') |
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4204 self.assertEqual(action.nargs, '?') |
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4205 self.assertEqual(action.const, 42) |
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4206 self.assertEqual(action.default, 84) |
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4207 self.assertEqual(action.type, int) |
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4208 self.assertEqual(action.choices, [1, 2]) |
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4209 self.assertEqual(action.help, 'FOO') |
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4210 self.assertEqual(action.metavar, 'BAR') |
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4211 self.assertEqual(action.dest, 'baz') |
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4212 |
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4213 |
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4214 # ================================ |
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4215 # Argument conflict handling tests |
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4216 # ================================ |
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4217 |
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4218 class TestConflictHandling(TestCase): |
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4219 |
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4220 def test_bad_type(self): |
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4221 self.assertRaises(ValueError, argparse.ArgumentParser, |
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4222 conflict_handler='foo') |
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4223 |
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4224 def test_conflict_error(self): |
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4225 parser = argparse.ArgumentParser() |
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4226 parser.add_argument('-x') |
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4227 self.assertRaises(argparse.ArgumentError, |
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4228 parser.add_argument, '-x') |
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4229 parser.add_argument('--spam') |
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4230 self.assertRaises(argparse.ArgumentError, |
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4231 parser.add_argument, '--spam') |
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4232 |
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4233 def test_resolve_error(self): |
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4234 get_parser = argparse.ArgumentParser |
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4235 parser = get_parser(prog='PROG', conflict_handler='resolve') |
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4236 |
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4237 parser.add_argument('-x', help='OLD X') |
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4238 parser.add_argument('-x', help='NEW X') |
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4239 self.assertEqual(parser.format_help(), textwrap.dedent('''\ |
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4240 usage: PROG [-h] [-x X] |
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4241 |
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4242 optional arguments: |
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4243 -h, --help show this help message and exit |
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4244 -x X NEW X |
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4245 ''')) |
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4246 |
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4247 parser.add_argument('--spam', metavar='OLD_SPAM') |
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4248 parser.add_argument('--spam', metavar='NEW_SPAM') |
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4249 self.assertEqual(parser.format_help(), textwrap.dedent('''\ |
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4250 usage: PROG [-h] [-x X] [--spam NEW_SPAM] |
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4251 |
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4252 optional arguments: |
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4253 -h, --help show this help message and exit |
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4254 -x X NEW X |
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4255 --spam NEW_SPAM |
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4256 ''')) |
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4257 |
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4258 |
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4259 # ============================= |
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4260 # Help and Version option tests |
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4261 # ============================= |
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4262 |
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4263 class TestOptionalsHelpVersionActions(TestCase): |
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4264 """Test the help and version actions""" |
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|
4265 |
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4266 def _get_error(self, func, *args, **kwargs): |
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4267 try: |
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4268 func(*args, **kwargs) |
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4269 except ArgumentParserError: |
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4270 return sys.exc_info()[1] |
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4271 else: |
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4272 self.assertRaises(ArgumentParserError, func, *args, **kwargs) |
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|
4273 |
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4274 def assertPrintHelpExit(self, parser, args_str): |
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4275 self.assertEqual( |
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4276 parser.format_help(), |
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4277 self._get_error(parser.parse_args, args_str.split()).stdout) |
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4278 |
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4279 def assertPrintVersionExit(self, parser, args_str): |
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4280 self.assertEqual( |
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4281 parser.format_version(), |
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4282 self._get_error(parser.parse_args, args_str.split()).stderr) |
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4283 |
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4284 def assertArgumentParserError(self, parser, *args): |
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4285 self.assertRaises(ArgumentParserError, parser.parse_args, args) |
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4286 |
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4287 def test_version(self): |
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4288 parser = ErrorRaisingArgumentParser(version='1.0') |
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4289 self.assertPrintHelpExit(parser, '-h') |
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4290 self.assertPrintHelpExit(parser, '--help') |
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4291 self.assertPrintVersionExit(parser, '-v') |
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4292 self.assertPrintVersionExit(parser, '--version') |
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4293 |
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4294 def test_version_format(self): |
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4295 parser = ErrorRaisingArgumentParser(prog='PPP', version='%(prog)s 3.5') |
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4296 msg = self._get_error(parser.parse_args, ['-v']).stderr |
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4297 self.assertEqual('PPP 3.5\n', msg) |
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4298 |
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4299 def test_version_no_help(self): |
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4300 parser = ErrorRaisingArgumentParser(add_help=False, version='1.0') |
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4301 self.assertArgumentParserError(parser, '-h') |
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4302 self.assertArgumentParserError(parser, '--help') |
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4303 self.assertPrintVersionExit(parser, '-v') |
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4304 self.assertPrintVersionExit(parser, '--version') |
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4305 |
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4306 def test_version_action(self): |
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4307 parser = ErrorRaisingArgumentParser(prog='XXX') |
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4308 parser.add_argument('-V', action='version', version='%(prog)s 3.7') |
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4309 msg = self._get_error(parser.parse_args, ['-V']).stderr |
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4310 self.assertEqual('XXX 3.7\n', msg) |
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4311 |
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4312 def test_no_help(self): |
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4313 parser = ErrorRaisingArgumentParser(add_help=False) |
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4314 self.assertArgumentParserError(parser, '-h') |
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4315 self.assertArgumentParserError(parser, '--help') |
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4316 self.assertArgumentParserError(parser, '-v') |
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4317 self.assertArgumentParserError(parser, '--version') |
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4318 |
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4319 def test_alternate_help_version(self): |
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4320 parser = ErrorRaisingArgumentParser() |
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4321 parser.add_argument('-x', action='help') |
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4322 parser.add_argument('-y', action='version') |
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4323 self.assertPrintHelpExit(parser, '-x') |
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4324 self.assertPrintVersionExit(parser, '-y') |
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4325 self.assertArgumentParserError(parser, '-v') |
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4326 self.assertArgumentParserError(parser, '--version') |
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4327 |
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4328 def test_help_version_extra_arguments(self): |
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4329 parser = ErrorRaisingArgumentParser(version='1.0') |
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4330 parser.add_argument('-x', action='store_true') |
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4331 parser.add_argument('y') |
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4332 |
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4333 # try all combinations of valid prefixes and suffixes |
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4334 valid_prefixes = ['', '-x', 'foo', '-x bar', 'baz -x'] |
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4335 valid_suffixes = valid_prefixes + ['--bad-option', 'foo bar baz'] |
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4336 for prefix in valid_prefixes: |
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4337 for suffix in valid_suffixes: |
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4338 format = '%s %%s %s' % (prefix, suffix) |
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4339 self.assertPrintHelpExit(parser, format % '-h') |
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4340 self.assertPrintHelpExit(parser, format % '--help') |
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4341 self.assertPrintVersionExit(parser, format % '-v') |
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4342 self.assertPrintVersionExit(parser, format % '--version') |
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4343 |
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4344 |
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4345 # ====================== |
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4346 # str() and repr() tests |
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4347 # ====================== |
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4348 |
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4349 class TestStrings(TestCase): |
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4350 """Test str() and repr() on Optionals and Positionals""" |
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4351 |
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4352 def assertStringEqual(self, obj, result_string): |
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4353 for func in [str, repr]: |
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4354 self.assertEqual(func(obj), result_string) |
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4355 |
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4356 def test_optional(self): |
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4357 option = argparse.Action( |
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4358 option_strings=['--foo', '-a', '-b'], |
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4359 dest='b', |
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4360 type='int', |
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4361 nargs='+', |
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4362 default=42, |
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4363 choices=[1, 2, 3], |
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4364 help='HELP', |
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4365 metavar='METAVAR') |
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4366 string = ( |
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4367 "Action(option_strings=['--foo', '-a', '-b'], dest='b', " |
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4368 "nargs='+', const=None, default=42, type='int', " |
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4369 "choices=[1, 2, 3], help='HELP', metavar='METAVAR')") |
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4370 self.assertStringEqual(option, string) |
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4371 |
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4372 def test_argument(self): |
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4373 argument = argparse.Action( |
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4374 option_strings=[], |
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4375 dest='x', |
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4376 type=float, |
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4377 nargs='?', |
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4378 default=2.5, |
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4379 choices=[0.5, 1.5, 2.5], |
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4380 help='H HH H', |
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4381 metavar='MV MV MV') |
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4382 string = ( |
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4383 "Action(option_strings=[], dest='x', nargs='?', " |
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4384 "const=None, default=2.5, type=%r, choices=[0.5, 1.5, 2.5], " |
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4385 "help='H HH H', metavar='MV MV MV')" % float) |
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4386 self.assertStringEqual(argument, string) |
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4387 |
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4388 def test_namespace(self): |
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4389 ns = argparse.Namespace(foo=42, bar='spam') |
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4390 string = "Namespace(bar='spam', foo=42)" |
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4391 self.assertStringEqual(ns, string) |
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4392 |
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4393 def test_parser(self): |
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4394 parser = argparse.ArgumentParser(prog='PROG') |
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4395 string = ( |
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4396 "ArgumentParser(prog='PROG', usage=None, description=None, " |
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4397 "version=None, formatter_class=%r, conflict_handler='error', " |
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4398 "add_help=True)" % argparse.HelpFormatter) |
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4399 self.assertStringEqual(parser, string) |
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4400 |
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4401 # =============== |
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4402 # Namespace tests |
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4403 # =============== |
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4404 |
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4405 class TestNamespace(TestCase): |
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4406 |
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4407 def test_constructor(self): |
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4408 ns = argparse.Namespace() |
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4409 self.assertRaises(AttributeError, getattr, ns, 'x') |
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4410 |
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4411 ns = argparse.Namespace(a=42, b='spam') |
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4412 self.assertEqual(ns.a, 42) |
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4413 self.assertEqual(ns.b, 'spam') |
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4414 |
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4415 def test_equality(self): |
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4416 ns1 = argparse.Namespace(a=1, b=2) |
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4417 ns2 = argparse.Namespace(b=2, a=1) |
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4418 ns3 = argparse.Namespace(a=1) |
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4419 ns4 = argparse.Namespace(b=2) |
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4420 |
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4421 self.assertEqual(ns1, ns2) |
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|
4422 self.assertNotEqual(ns1, ns3) |
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|
4423 self.assertNotEqual(ns1, ns4) |
|
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|
4424 self.assertNotEqual(ns2, ns3) |
|
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|
4425 self.assertNotEqual(ns2, ns4) |
|
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|
4426 self.assertTrue(ns1 != ns3) |
|
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|
4427 self.assertTrue(ns1 != ns4) |
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|
4428 self.assertTrue(ns2 != ns3) |
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|
4429 self.assertTrue(ns2 != ns4) |
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4430 |
|
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4431 |
|
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|
4432 # =================== |
|
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|
4433 # File encoding tests |
|
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|
4434 # =================== |
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4435 |
|
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|
4436 class TestEncoding(TestCase): |
|
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4437 |
|
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|
4438 def _test_module_encoding(self, path): |
|
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|
4439 path, _ = os.path.splitext(path) |
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|
4440 path += ".py" |
|
68142
be6c38d1817b
Normalize the encoding names for Latin-1 and UTF-8 to
Marc-André Lemburg <mal@egenix.com>
parents:
67819
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|
4441 with codecs.open(path, 'r', 'utf-8') as f: |
|
65331
46956a25c264
Explicitly close some files (from issue #10093)
Antoine Pitrou <solipsis@pitrou.net>
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63690
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|
4442 f.read() |
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59275
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4443 |
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4444 def test_argparse_module_encoding(self): |
|
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4445 self._test_module_encoding(argparse.__file__) |
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4446 |
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4447 def test_test_argparse_module_encoding(self): |
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4448 self._test_module_encoding(__file__) |
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4449 |
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4450 # =================== |
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4451 # ArgumentError tests |
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4452 # =================== |
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4453 |
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4454 class TestArgumentError(TestCase): |
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4455 |
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4456 def test_argument_error(self): |
|
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4457 msg = "my error here" |
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4458 error = argparse.ArgumentError(None, msg) |
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4459 self.assertEqual(str(error), msg) |
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4460 |
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4461 # ======================= |
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|
4462 # ArgumentTypeError tests |
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4463 # ======================= |
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4464 |
|
66257
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Make test class name unique so that both test classes run.
R. David Murray <rdmurray@bitdance.com>
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4465 class TestArgumentTypeError(TestCase): |
|
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4466 |
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4467 def test_argument_type_error(self): |
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4468 |
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4469 def spam(string): |
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4470 raise argparse.ArgumentTypeError('spam!') |
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4471 |
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4472 parser = ErrorRaisingArgumentParser(prog='PROG', add_help=False) |
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4473 parser.add_argument('x', type=spam) |
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4474 try: |
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4475 parser.parse_args(['XXX']) |
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4476 except ArgumentParserError: |
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4477 expected = 'usage: PROG x\nPROG: error: argument x: spam!\n' |
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4478 msg = sys.exc_info()[1].stderr |
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4479 self.assertEqual(expected, msg) |
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4480 else: |
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4481 self.fail() |
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4482 |
|
70741
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R David Murray <rdmurray@bitdance.com>
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|
4483 # ========================= |
|
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4484 # MessageContentError tests |
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4485 # ========================= |
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4486 |
|
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4487 class TestMessageContentError(TestCase): |
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4488 |
|
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4489 def test_missing_argument_name_in_message(self): |
|
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4490 parser = ErrorRaisingArgumentParser(prog='PROG', usage='') |
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4491 parser.add_argument('req_pos', type=str) |
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4492 parser.add_argument('-req_opt', type=int, required=True) |
|
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4493 parser.add_argument('need_one', type=str, nargs='+') |
|
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4494 |
|
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4495 with self.assertRaises(ArgumentParserError) as cm: |
|
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4496 parser.parse_args([]) |
|
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4497 msg = str(cm.exception) |
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4498 self.assertRegex(msg, 'req_pos') |
|
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|
4499 self.assertRegex(msg, 'req_opt') |
|
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4500 self.assertRegex(msg, 'need_one') |
|
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4501 with self.assertRaises(ArgumentParserError) as cm: |
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4502 parser.parse_args(['myXargument']) |
|
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4503 msg = str(cm.exception) |
|
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4504 self.assertNotIn(msg, 'req_pos') |
|
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4505 self.assertRegex(msg, 'req_opt') |
|
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4506 self.assertRegex(msg, 'need_one') |
|
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4507 with self.assertRaises(ArgumentParserError) as cm: |
|
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4508 parser.parse_args(['myXargument', '-req_opt=1']) |
|
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4509 msg = str(cm.exception) |
|
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4510 self.assertNotIn(msg, 'req_pos') |
|
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4511 self.assertNotIn(msg, 'req_opt') |
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4512 self.assertRegex(msg, 'need_one') |
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4513 |
|
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|
4514 def test_optional_optional_not_in_message(self): |
|
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|
4515 parser = ErrorRaisingArgumentParser(prog='PROG', usage='') |
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4516 parser.add_argument('req_pos', type=str) |
|
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4517 parser.add_argument('--req_opt', type=int, required=True) |
|
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4518 parser.add_argument('--opt_opt', type=bool, nargs='?', |
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4519 default=True) |
|
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4520 with self.assertRaises(ArgumentParserError) as cm: |
|
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4521 parser.parse_args([]) |
|
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4522 msg = str(cm.exception) |
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|
4523 self.assertRegex(msg, 'req_pos') |
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4524 self.assertRegex(msg, 'req_opt') |
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4525 self.assertNotIn(msg, 'opt_opt') |
|
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|
4526 with self.assertRaises(ArgumentParserError) as cm: |
|
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|
4527 parser.parse_args(['--req_opt=1']) |
|
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|
4528 msg = str(cm.exception) |
|
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4529 self.assertRegex(msg, 'req_pos') |
|
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|
4530 self.assertNotIn(msg, 'req_opt') |
|
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4531 self.assertNotIn(msg, 'opt_opt') |
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4532 |
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|
4533 def test_optional_positional_not_in_message(self): |
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|
4534 parser = ErrorRaisingArgumentParser(prog='PROG', usage='') |
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|
4535 parser.add_argument('req_pos') |
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|
4536 parser.add_argument('optional_positional', nargs='?', default='eggs') |
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|
4537 with self.assertRaises(ArgumentParserError) as cm: |
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|
4538 parser.parse_args([]) |
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|
4539 msg = str(cm.exception) |
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|
4540 self.assertRegex(msg, 'req_pos') |
|
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|
4541 self.assertNotIn(msg, 'optional_positional') |
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|
4542 |
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|
4543 |
|
59275
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4544 # ====================== |
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|
4545 # parse_known_args tests |
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|
4546 # ====================== |
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4547 |
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|
4548 class TestParseKnownArgs(TestCase): |
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4549 |
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4550 def test_optionals(self): |
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4551 parser = argparse.ArgumentParser() |
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|
4552 parser.add_argument('--foo') |
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4553 args, extras = parser.parse_known_args('--foo F --bar --baz'.split()) |
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4554 self.assertEqual(NS(foo='F'), args) |
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|
4555 self.assertEqual(['--bar', '--baz'], extras) |
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4556 |
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4557 def test_mixed(self): |
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|
4558 parser = argparse.ArgumentParser() |
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4559 parser.add_argument('-v', nargs='?', const=1, type=int) |
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4560 parser.add_argument('--spam', action='store_false') |
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4561 parser.add_argument('badger') |
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4562 |
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4563 argv = ["B", "C", "--foo", "-v", "3", "4"] |
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4564 args, extras = parser.parse_known_args(argv) |
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4565 self.assertEqual(NS(v=3, spam=True, badger="B"), args) |
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4566 self.assertEqual(["C", "--foo", "4"], extras) |
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4567 |
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68967
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4568 # ========================== |
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4569 # add_argument metavar tests |
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|
4570 # ========================== |
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4571 |
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4572 class TestAddArgumentMetavar(TestCase): |
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4573 |
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4574 EXPECTED_MESSAGE = "length of metavar tuple does not match nargs" |
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4575 |
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4576 def do_test_no_exception(self, nargs, metavar): |
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4577 parser = argparse.ArgumentParser() |
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4578 parser.add_argument("--foo", nargs=nargs, metavar=metavar) |
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4579 |
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4580 def do_test_exception(self, nargs, metavar): |
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4581 parser = argparse.ArgumentParser() |
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4582 with self.assertRaises(ValueError) as cm: |
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4583 parser.add_argument("--foo", nargs=nargs, metavar=metavar) |
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4584 self.assertEqual(cm.exception.args[0], self.EXPECTED_MESSAGE) |
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4585 |
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4586 # Unit tests for different values of metavar when nargs=None |
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4587 |
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4588 def test_nargs_None_metavar_string(self): |
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4589 self.do_test_no_exception(nargs=None, metavar="1") |
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4590 |
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4591 def test_nargs_None_metavar_length0(self): |
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4592 self.do_test_exception(nargs=None, metavar=tuple()) |
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4593 |
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|
4594 def test_nargs_None_metavar_length1(self): |
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4595 self.do_test_no_exception(nargs=None, metavar=("1")) |
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4596 |
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|
4597 def test_nargs_None_metavar_length2(self): |
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|
4598 self.do_test_exception(nargs=None, metavar=("1", "2")) |
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4599 |
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|
4600 def test_nargs_None_metavar_length3(self): |
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|
4601 self.do_test_exception(nargs=None, metavar=("1", "2", "3")) |
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4602 |
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|
4603 # Unit tests for different values of metavar when nargs=? |
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|
4604 |
|
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|
4605 def test_nargs_optional_metavar_string(self): |
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|
4606 self.do_test_no_exception(nargs="?", metavar="1") |
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|
4607 |
|
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|
4608 def test_nargs_optional_metavar_length0(self): |
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|
4609 self.do_test_exception(nargs="?", metavar=tuple()) |
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|
4610 |
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|
4611 def test_nargs_optional_metavar_length1(self): |
|
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|
4612 self.do_test_no_exception(nargs="?", metavar=("1")) |
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4613 |
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|
4614 def test_nargs_optional_metavar_length2(self): |
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|
4615 self.do_test_exception(nargs="?", metavar=("1", "2")) |
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4616 |
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|
4617 def test_nargs_optional_metavar_length3(self): |
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|
4618 self.do_test_exception(nargs="?", metavar=("1", "2", "3")) |
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|
4619 |
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|
4620 # Unit tests for different values of metavar when nargs=* |
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4621 |
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|
4622 def test_nargs_zeroormore_metavar_string(self): |
|
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|
4623 self.do_test_no_exception(nargs="*", metavar="1") |
|
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|
4624 |
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|
4625 def test_nargs_zeroormore_metavar_length0(self): |
|
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|
4626 self.do_test_exception(nargs="*", metavar=tuple()) |
|
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|
4627 |
|
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|
4628 def test_nargs_zeroormore_metavar_length1(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4629 self.do_test_no_exception(nargs="*", metavar=("1")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4630 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4631 def test_nargs_zeroormore_metavar_length2(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4632 self.do_test_no_exception(nargs="*", metavar=("1", "2")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4633 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4634 def test_nargs_zeroormore_metavar_length3(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4635 self.do_test_exception(nargs="*", metavar=("1", "2", "3")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4636 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4637 # Unit tests for different values of metavar when nargs=+ |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4638 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4639 def test_nargs_oneormore_metavar_string(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4640 self.do_test_no_exception(nargs="+", metavar="1") |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4641 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4642 def test_nargs_oneormore_metavar_length0(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4643 self.do_test_exception(nargs="+", metavar=tuple()) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4644 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4645 def test_nargs_oneormore_metavar_length1(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4646 self.do_test_no_exception(nargs="+", metavar=("1")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4647 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4648 def test_nargs_oneormore_metavar_length2(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4649 self.do_test_no_exception(nargs="+", metavar=("1", "2")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4650 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4651 def test_nargs_oneormore_metavar_length3(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4652 self.do_test_exception(nargs="+", metavar=("1", "2", "3")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4653 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4654 # Unit tests for different values of metavar when nargs=... |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4655 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4656 def test_nargs_remainder_metavar_string(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4657 self.do_test_no_exception(nargs="...", metavar="1") |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4658 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4659 def test_nargs_remainder_metavar_length0(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4660 self.do_test_no_exception(nargs="...", metavar=tuple()) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4661 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4662 def test_nargs_remainder_metavar_length1(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4663 self.do_test_no_exception(nargs="...", metavar=("1")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4664 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4665 def test_nargs_remainder_metavar_length2(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4666 self.do_test_no_exception(nargs="...", metavar=("1", "2")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4667 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4668 def test_nargs_remainder_metavar_length3(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4669 self.do_test_no_exception(nargs="...", metavar=("1", "2", "3")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4670 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4671 # Unit tests for different values of metavar when nargs=A... |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4672 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4673 def test_nargs_parser_metavar_string(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4674 self.do_test_no_exception(nargs="A...", metavar="1") |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4675 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4676 def test_nargs_parser_metavar_length0(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4677 self.do_test_exception(nargs="A...", metavar=tuple()) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4678 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4679 def test_nargs_parser_metavar_length1(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4680 self.do_test_no_exception(nargs="A...", metavar=("1")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4681 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4682 def test_nargs_parser_metavar_length2(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4683 self.do_test_exception(nargs="A...", metavar=("1", "2")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4684 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4685 def test_nargs_parser_metavar_length3(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4686 self.do_test_exception(nargs="A...", metavar=("1", "2", "3")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4687 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4688 # Unit tests for different values of metavar when nargs=1 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4689 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4690 def test_nargs_1_metavar_string(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4691 self.do_test_no_exception(nargs=1, metavar="1") |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4692 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4693 def test_nargs_1_metavar_length0(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4694 self.do_test_exception(nargs=1, metavar=tuple()) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4695 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4696 def test_nargs_1_metavar_length1(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4697 self.do_test_no_exception(nargs=1, metavar=("1")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4698 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4699 def test_nargs_1_metavar_length2(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4700 self.do_test_exception(nargs=1, metavar=("1", "2")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4701 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4702 def test_nargs_1_metavar_length3(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4703 self.do_test_exception(nargs=1, metavar=("1", "2", "3")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4704 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4705 # Unit tests for different values of metavar when nargs=2 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4706 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4707 def test_nargs_2_metavar_string(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4708 self.do_test_no_exception(nargs=2, metavar="1") |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4709 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4710 def test_nargs_2_metavar_length0(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4711 self.do_test_exception(nargs=2, metavar=tuple()) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4712 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4713 def test_nargs_2_metavar_length1(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4714 self.do_test_no_exception(nargs=2, metavar=("1")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4715 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4716 def test_nargs_2_metavar_length2(self): |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4717 self.do_test_no_exception(nargs=2, metavar=("1", "2")) |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4718 |
|
c89db9b36ea6
Issue #9348: Raise an early error if argparse nargs and metavar don't match.
Steven Bethard <steven.bethard@gmail.com>
parents:
67819
diff
changeset
|
4719 def test_nargs_2_metavar_length3(self): |
|
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4720 self.do_test_exception(nargs=2, metavar=("1", "2", "3")) |
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4721 |
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4722 # Unit tests for different values of metavar when nargs=3 |
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4723 |
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4724 def test_nargs_3_metavar_string(self): |
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4725 self.do_test_no_exception(nargs=3, metavar="1") |
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4726 |
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4727 def test_nargs_3_metavar_length0(self): |
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4728 self.do_test_exception(nargs=3, metavar=tuple()) |
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4729 |
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4730 def test_nargs_3_metavar_length1(self): |
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4731 self.do_test_no_exception(nargs=3, metavar=("1")) |
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4732 |
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4733 def test_nargs_3_metavar_length2(self): |
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4734 self.do_test_exception(nargs=3, metavar=("1", "2")) |
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4735 |
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4736 def test_nargs_3_metavar_length3(self): |
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4737 self.do_test_no_exception(nargs=3, metavar=("1", "2", "3")) |
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4738 |
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4739 # ============================ |
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4740 # from argparse import * tests |
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4741 # ============================ |
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4742 |
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4743 class TestImportStar(TestCase): |
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4744 |
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4745 def test(self): |
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4746 for name in argparse.__all__: |
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4747 self.assertTrue(hasattr(argparse, name)) |
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4748 |
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4749 def test_all_exports_everything_but_modules(self): |
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4750 items = [ |
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4751 name |
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4752 for name, value in vars(argparse).items() |
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4753 if not (name.startswith("_") or name == 'ngettext') |
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4754 if not inspect.ismodule(value) |
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4755 ] |
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4756 self.assertEqual(sorted(items), sorted(argparse.__all__)) |
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4757 |
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4758 def test_main(): |
| 60174 | 4759 # silence warnings about version argument - these are expected |
| 4760 with support.check_warnings( | |
| 4761 ('The "version" argument to ArgumentParser is deprecated.', | |
| 4762 DeprecationWarning), | |
| 4763 ('The (format|print)_version method is deprecated', | |
| 4764 DeprecationWarning)): | |
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4765 support.run_unittest(__name__) |
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4766 # Remove global references to avoid looking like we have refleaks. |
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4767 RFile.seen = {} |
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4768 WFile.seen = set() |
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4769 |
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4770 |
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4771 |
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4772 if __name__ == '__main__': |
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4773 test_main() |