Mercurial > cpython-lru_cache-weakref
annotate Lib/distutils/command/check.py @ 80661:94de77bd0b4b 2.7
Issue #16194: document imp.load_dynamic problems
when read several extension modules from the same binary object file.
| author | Andrew Svetlov <andrew.svetlov@gmail.com> |
|---|---|
| date | Thu, 29 Nov 2012 19:51:28 +0200 |
| parents | 8d837bd8148a |
| children | 692be1f9fa1d |
| rev | line source |
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1 """distutils.command.check |
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2 |
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3 Implements the Distutils 'check' command. |
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4 """ |
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5 __revision__ = "$Id$" |
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6 |
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7 from distutils.core import Command |
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8 from distutils.dist import PKG_INFO_ENCODING |
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9 from distutils.errors import DistutilsSetupError |
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10 |
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11 try: |
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12 # docutils is installed |
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13 from docutils.utils import Reporter |
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14 from docutils.parsers.rst import Parser |
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15 from docutils import frontend |
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16 from docutils import nodes |
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17 from StringIO import StringIO |
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18 |
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19 class SilentReporter(Reporter): |
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21 def __init__(self, source, report_level, halt_level, stream=None, |
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22 debug=0, encoding='ascii', error_handler='replace'): |
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23 self.messages = [] |
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24 Reporter.__init__(self, source, report_level, halt_level, stream, |
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25 debug, encoding, error_handler) |
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26 |
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27 def system_message(self, level, message, *children, **kwargs): |
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28 self.messages.append((level, message, children, kwargs)) |
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29 |
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30 HAS_DOCUTILS = True |
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31 except ImportError: |
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32 # docutils is not installed |
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33 HAS_DOCUTILS = False |
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34 |
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35 class check(Command): |
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36 """This command checks the meta-data of the package. |
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37 """ |
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38 description = ("perform some checks on the package") |
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39 user_options = [('metadata', 'm', 'Verify meta-data'), |
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40 ('restructuredtext', 'r', |
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41 ('Checks if long string meta-data syntax ' |
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42 'are reStructuredText-compliant')), |
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43 ('strict', 's', |
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44 'Will exit with an error if a check fails')] |
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45 |
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46 boolean_options = ['metadata', 'restructuredtext', 'strict'] |
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47 |
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48 def initialize_options(self): |
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49 """Sets default values for options.""" |
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50 self.restructuredtext = 0 |
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51 self.metadata = 1 |
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52 self.strict = 0 |
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53 self._warnings = 0 |
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54 |
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55 def finalize_options(self): |
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56 pass |
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57 |
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58 def warn(self, msg): |
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59 """Counts the number of warnings that occurs.""" |
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60 self._warnings += 1 |
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61 return Command.warn(self, msg) |
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62 |
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63 def run(self): |
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64 """Runs the command.""" |
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65 # perform the various tests |
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66 if self.metadata: |
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67 self.check_metadata() |
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68 if self.restructuredtext: |
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69 if HAS_DOCUTILS: |
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70 self.check_restructuredtext() |
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71 elif self.strict: |
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72 raise DistutilsSetupError('The docutils package is needed.') |
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73 |
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74 # let's raise an error in strict mode, if we have at least |
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75 # one warning |
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76 if self.strict and self._warnings > 0: |
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77 raise DistutilsSetupError('Please correct your package.') |
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78 |
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79 def check_metadata(self): |
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80 """Ensures that all required elements of meta-data are supplied. |
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81 |
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82 name, version, URL, (author and author_email) or |
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83 (maintainer and maintainer_email)). |
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84 |
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85 Warns if any are missing. |
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86 """ |
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87 metadata = self.distribution.metadata |
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88 |
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89 missing = [] |
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90 for attr in ('name', 'version', 'url'): |
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91 if not (hasattr(metadata, attr) and getattr(metadata, attr)): |
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92 missing.append(attr) |
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93 |
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94 if missing: |
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95 self.warn("missing required meta-data: %s" % ', '.join(missing)) |
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96 if metadata.author: |
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97 if not metadata.author_email: |
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98 self.warn("missing meta-data: if 'author' supplied, " + |
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99 "'author_email' must be supplied too") |
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100 elif metadata.maintainer: |
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101 if not metadata.maintainer_email: |
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102 self.warn("missing meta-data: if 'maintainer' supplied, " + |
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103 "'maintainer_email' must be supplied too") |
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104 else: |
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105 self.warn("missing meta-data: either (author and author_email) " + |
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106 "or (maintainer and maintainer_email) " + |
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107 "must be supplied") |
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108 |
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109 def check_restructuredtext(self): |
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110 """Checks if the long string fields are reST-compliant.""" |
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111 data = self.distribution.get_long_description() |
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112 if not isinstance(data, unicode): |
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113 data = data.decode(PKG_INFO_ENCODING) |
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114 for warning in self._check_rst_data(data): |
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115 line = warning[-1].get('line') |
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116 if line is None: |
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117 warning = warning[1] |
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118 else: |
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119 warning = '%s (line %s)' % (warning[1], line) |
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120 self.warn(warning) |
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121 |
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122 def _check_rst_data(self, data): |
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123 """Returns warnings when the provided data doesn't compile.""" |
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124 source_path = StringIO() |
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125 parser = Parser() |
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126 settings = frontend.OptionParser().get_default_values() |
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127 settings.tab_width = 4 |
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128 settings.pep_references = None |
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129 settings.rfc_references = None |
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130 reporter = SilentReporter(source_path, |
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131 settings.report_level, |
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132 settings.halt_level, |
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133 stream=settings.warning_stream, |
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134 debug=settings.debug, |
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135 encoding=settings.error_encoding, |
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136 error_handler=settings.error_encoding_error_handler) |
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137 |
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138 document = nodes.document(settings, reporter, source=source_path) |
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139 document.note_source(source_path, -1) |
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140 try: |
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141 parser.parse(data, document) |
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142 except AttributeError: |
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143 reporter.messages.append((-1, 'Could not finish the parsing.', |
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144 '', {})) |
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145 |
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146 return reporter.messages |
