pkgutil.py 文件源码

def get_filename(self, fullname=None):
        fullname = self._fix_name(fullname)
        mod_type = self.etc[2]
        if self.etc[2]==imp.PKG_DIRECTORY:
            return self._get_delegate().get_filename()
        elif self.etc[2] in (imp.PY_SOURCE, imp.PY_COMPILED, imp.C_EXTENSION):
            return self.filename
        return None