wheel.py 文件源码

def __init__(self, cache_dir, format_control):
        """Create a wheel cache.

        :param cache_dir: The root of the cache.
        :param format_control: A pip.index.FormatControl object to limit
            binaries being read from the cache.
        """
        self._cache_dir = expanduser(cache_dir) if cache_dir else None
        self._format_control = format_control