__init__.py 文件源码

def _parts(self, zip_path):
        # Convert a zipfile subpath into an egg-relative path part list.
        # pseudo-fs path
        fspath = self.zip_pre+zip_path
        if fspath.startswith(self.egg_root+os.sep):
            return fspath[len(self.egg_root)+1:].split(os.sep)
        raise AssertionError(
            "%s is not a subpath of %s" % (fspath, self.egg_root)
        )