common_func.py 文件源码

def _prebuilt_pkg(cls, pkg_type, fallback):
        """act as lru_cache"""
        if pkg_type not in cls._cache_prebuilt_pkg:
            pkg = fallback(force_rebuilt=True)
            cls._cache_prebuilt_pkg[pkg_type] = pkg

        return cls._cache_prebuilt_pkg[pkg_type]