Python setuptools.extern() Examples

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Example #1
Source File: dist.py    From setuptools with MIT License 4 votes vote down vote up 
def _parse_config_files(self, filenames=None):
        """
        Adapted from distutils.dist.Distribution.parse_config_files,
        this method provides the same functionality in subtly-improved
        ways.
        """
        from setuptools.extern.six.moves.configparser import ConfigParser

        # Ignore install directory options if we have a venv
        if not six.PY2 and sys.prefix != sys.base_prefix:
            ignore_options = [
                'install-base', 'install-platbase', 'install-lib',
                'install-platlib', 'install-purelib', 'install-headers',
                'install-scripts', 'install-data', 'prefix', 'exec-prefix',
                'home', 'user', 'root']
        else:
            ignore_options = []

        ignore_options = frozenset(ignore_options)

        if filenames is None:
            filenames = self.find_config_files()

        if DEBUG:
            self.announce("Distribution.parse_config_files():")

        parser = ConfigParser()
        for filename in filenames:
            with io.open(filename, encoding='utf-8') as reader:
                if DEBUG:
                    self.announce("  reading {filename}".format(**locals()))
                (parser.readfp if six.PY2 else parser.read_file)(reader)
            for section in parser.sections():
                options = parser.options(section)
                opt_dict = self.get_option_dict(section)

                for opt in options:
                    if opt != '__name__' and opt not in ignore_options:
                        val = self._try_str(parser.get(section, opt))
                        opt = opt.replace('-', '_')
                        opt_dict[opt] = (filename, val)

            # Make the ConfigParser forget everything (so we retain
            # the original filenames that options come from)
            parser.__init__()

        # If there was a "global" section in the config file, use it
        # to set Distribution options.

        if 'global' in self.command_options:
            for (opt, (src, val)) in self.command_options['global'].items():
                alias = self.negative_opt.get(opt)
                try:
                    if alias:
                        setattr(self, alias, not strtobool(val))
                    elif opt in ('verbose', 'dry_run'):  # ugh!
                        setattr(self, opt, strtobool(val))
                    else:
                        setattr(self, opt, val)
                except ValueError as e:
                    raise DistutilsOptionError(e) from e