egg.py 文件源码

def populate_source(self, source, dependency=False):
        super(SetupEggSubRecipe, self).populate_source(
            source, load_options=not dependency)
        if 'egg' not in source:
            source['egg'] = self.name
        source['requirement'] = Requirement.parse(source['egg'])
        source['egg'] = str(source['requirement'])
        source['find-requirement'] = Requirement.parse(source['find-egg']) \
            if 'find-egg' in source else source['requirement']
        source['find-egg'] = str(source['find-requirement'])
        source.setdefault('build', True)
        egg_directories = []
        if 'develop-eggs-directory' in self.recipe.buildout['buildout']:
            egg_directories.append(self.recipe.buildout['buildout']['develop-eggs-directory'])
        if 'eggs-directory' in self.recipe.buildout['buildout']:
            egg_directories.append(self.recipe.buildout['buildout']['eggs-directory'])
        source.setdefault('egg-path',
                          [source['location']] if 'location' in source else [] +
                          source.get('extra-paths', []) + egg_directories +
                          buildout_and_setuptools_path)
        source.setdefault('location',
                          self.default_eggs_directory(develop=source.get('develop', False)))
        source['egg-environment'] = Environment(source['egg-path'])
        source['build-options'] = {}
        if not dependency:
            for src_key, dst_key in [(key, re.sub('-', '_', key)) for key in
                                     [option for option in self.options
                                      if option in BUILD_EXT_OPTIONS]]:
                source['build-options'][dst_key] = self.options[src_key]
        source.setdefault('signature', self.resolve_signature(source))