Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_getopt.py @ 54294:dba767bc3155 legacy-trunk

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remove mention of old ctypes version
author Benjamin Peterson <benjamin@python.org>
date Sat, 23 May 2009 20:59:09 +0000
parents 85542715a249
children 6768b2350c57
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # test_getopt.py
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2 # David Goodger <dgoodger@bigfoot.com> 2000-08-19
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3
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4 from test.test_support import verbose, run_doctest, run_unittest, EnvironmentVarGuard
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5 import unittest
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6
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7 import getopt
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8 import os
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9
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10 sentinel = object()
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11
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12 class GetoptTests(unittest.TestCase):
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13 def setUp(self):
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14 self.env = EnvironmentVarGuard()
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15 if "POSIXLY_CORRECT" in self.env:
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16 del self.env["POSIXLY_CORRECT"]
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17
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18 def tearDown(self):
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19 self.env.__exit__()
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20 del self.env
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21
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22 def assertError(self, *args, **kwargs):
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23 self.assertRaises(getopt.GetoptError, *args, **kwargs)
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25 def test_short_has_arg(self):
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26 self.failUnless(getopt.short_has_arg('a', 'a:'))
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27 self.failIf(getopt.short_has_arg('a', 'a'))
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28 self.assertError(getopt.short_has_arg, 'a', 'b')
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29
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30 def test_long_has_args(self):
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31 has_arg, option = getopt.long_has_args('abc', ['abc='])
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32 self.failUnless(has_arg)
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33 self.assertEqual(option, 'abc')
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34
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35 has_arg, option = getopt.long_has_args('abc', ['abc'])
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36 self.failIf(has_arg)
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37 self.assertEqual(option, 'abc')
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38
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39 has_arg, option = getopt.long_has_args('abc', ['abcd'])
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40 self.failIf(has_arg)
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41 self.assertEqual(option, 'abcd')
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42
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43 self.assertError(getopt.long_has_args, 'abc', ['def'])
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44 self.assertError(getopt.long_has_args, 'abc', [])
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45 self.assertError(getopt.long_has_args, 'abc', ['abcd','abcde'])
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46
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47 def test_do_shorts(self):
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48 opts, args = getopt.do_shorts([], 'a', 'a', [])
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49 self.assertEqual(opts, [('-a', '')])
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50 self.assertEqual(args, [])
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51
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52 opts, args = getopt.do_shorts([], 'a1', 'a:', [])
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53 self.assertEqual(opts, [('-a', '1')])
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54 self.assertEqual(args, [])
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55
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56 #opts, args = getopt.do_shorts([], 'a=1', 'a:', [])
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57 #self.assertEqual(opts, [('-a', '1')])
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58 #self.assertEqual(args, [])
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59
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60 opts, args = getopt.do_shorts([], 'a', 'a:', ['1'])
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61 self.assertEqual(opts, [('-a', '1')])
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62 self.assertEqual(args, [])
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63
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64 opts, args = getopt.do_shorts([], 'a', 'a:', ['1', '2'])
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65 self.assertEqual(opts, [('-a', '1')])
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66 self.assertEqual(args, ['2'])
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67
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68 self.assertError(getopt.do_shorts, [], 'a1', 'a', [])
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69 self.assertError(getopt.do_shorts, [], 'a', 'a:', [])
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71 def test_do_longs(self):
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72 opts, args = getopt.do_longs([], 'abc', ['abc'], [])
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73 self.assertEqual(opts, [('--abc', '')])
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74 self.assertEqual(args, [])
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75
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76 opts, args = getopt.do_longs([], 'abc=1', ['abc='], [])
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77 self.assertEqual(opts, [('--abc', '1')])
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78 self.assertEqual(args, [])
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79
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80 opts, args = getopt.do_longs([], 'abc=1', ['abcd='], [])
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81 self.assertEqual(opts, [('--abcd', '1')])
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82 self.assertEqual(args, [])
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83
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84 opts, args = getopt.do_longs([], 'abc', ['ab', 'abc', 'abcd'], [])
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85 self.assertEqual(opts, [('--abc', '')])
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86 self.assertEqual(args, [])
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87
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88 # Much like the preceding, except with a non-alpha character ("-") in
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89 # option name that precedes "="; failed in
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90 # http://python.org/sf/126863
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91 opts, args = getopt.do_longs([], 'foo=42', ['foo-bar', 'foo=',], [])
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92 self.assertEqual(opts, [('--foo', '42')])
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93 self.assertEqual(args, [])
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94
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95 self.assertError(getopt.do_longs, [], 'abc=1', ['abc'], [])
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96 self.assertError(getopt.do_longs, [], 'abc', ['abc='], [])
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97
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98 def test_getopt(self):
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99 # note: the empty string between '-a' and '--beta' is significant:
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100 # it simulates an empty string option argument ('-a ""') on the
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101 # command line.
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102 cmdline = ['-a', '1', '-b', '--alpha=2', '--beta', '-a', '3', '-a',
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103 '', '--beta', 'arg1', 'arg2']
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104
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105 opts, args = getopt.getopt(cmdline, 'a:b', ['alpha=', 'beta'])
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106 self.assertEqual(opts, [('-a', '1'), ('-b', ''),
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107 ('--alpha', '2'), ('--beta', ''),
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108 ('-a', '3'), ('-a', ''), ('--beta', '')])
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109 # Note ambiguity of ('-b', '') and ('-a', '') above. This must be
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110 # accounted for in the code that calls getopt().
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111 self.assertEqual(args, ['arg1', 'arg2'])
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112
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113 self.assertError(getopt.getopt, cmdline, 'a:b', ['alpha', 'beta'])
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114
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115 def test_gnu_getopt(self):
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116 # Test handling of GNU style scanning mode.
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117 cmdline = ['-a', 'arg1', '-b', '1', '--alpha', '--beta=2']
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118
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119 # GNU style
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120 opts, args = getopt.gnu_getopt(cmdline, 'ab:', ['alpha', 'beta='])
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121 self.assertEqual(args, ['arg1'])
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122 self.assertEqual(opts, [('-a', ''), ('-b', '1'),
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123 ('--alpha', ''), ('--beta', '2')])
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124
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125 # recognize "-" as an argument
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126 opts, args = getopt.gnu_getopt(['-a', '-', '-b', '-'], 'ab:', [])
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127 self.assertEqual(args, ['-'])
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128 self.assertEqual(opts, [('-a', ''), ('-b', '-')])
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129
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130 # Posix style via +
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131 opts, args = getopt.gnu_getopt(cmdline, '+ab:', ['alpha', 'beta='])
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132 self.assertEqual(opts, [('-a', '')])
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133 self.assertEqual(args, ['arg1', '-b', '1', '--alpha', '--beta=2'])
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134
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135 # Posix style via POSIXLY_CORRECT
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136 self.env["POSIXLY_CORRECT"] = "1"
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137 opts, args = getopt.gnu_getopt(cmdline, 'ab:', ['alpha', 'beta='])
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138 self.assertEqual(opts, [('-a', '')])
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139 self.assertEqual(args, ['arg1', '-b', '1', '--alpha', '--beta=2'])
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140
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141 def test_libref_examples(self):
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142 s = """
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143 Examples from the Library Reference: Doc/lib/libgetopt.tex
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144
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145 An example using only Unix style options:
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146
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147
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148 >>> import getopt
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149 >>> args = '-a -b -cfoo -d bar a1 a2'.split()
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150 >>> args
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151 ['-a', '-b', '-cfoo', '-d', 'bar', 'a1', 'a2']
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152 >>> optlist, args = getopt.getopt(args, 'abc:d:')
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153 >>> optlist
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154 [('-a', ''), ('-b', ''), ('-c', 'foo'), ('-d', 'bar')]
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155 >>> args
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156 ['a1', 'a2']
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157
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158 Using long option names is equally easy:
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159
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160
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161 >>> s = '--condition=foo --testing --output-file abc.def -x a1 a2'
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162 >>> args = s.split()
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163 >>> args
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164 ['--condition=foo', '--testing', '--output-file', 'abc.def', '-x', 'a1', 'a2']
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165 >>> optlist, args = getopt.getopt(args, 'x', [
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166 ... 'condition=', 'output-file=', 'testing'])
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167 >>> optlist
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168 [('--condition', 'foo'), ('--testing', ''), ('--output-file', 'abc.def'), ('-x', '')]
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169 >>> args
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170 ['a1', 'a2']
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171 """
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172
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173 import types
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174 m = types.ModuleType("libreftest", s)
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175 run_doctest(m, verbose)
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176
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177
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178 def test_main():
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179 run_unittest(GetoptTests)
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180
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181 if __name__ == "__main__":
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182 test_main()