install_egg_info.py 文件源码

def copytree(self):
        # Copy the .egg-info tree to site-packages
        def skimmer(src, dst):
            # filter out source-control directories; note that 'src' is always
            # a '/'-separated path, regardless of platform.  'dst' is a
            # platform-specific path.
            for skip in '.svn/', 'CVS/':
                if src.startswith(skip) or '/' + skip in src:
                    return None
            self.outputs.append(dst)
            log.debug("Copying %s to %s", src, dst)
            return dst

        unpack_archive(self.source, self.target, skimmer)