python.py 文件源码

def get_zip_bytes(filename):
    """Get data from `filename` if it is a zip file path.

    Returns the bytestring data read from the zip file, or None if no zip file
    could be found or `filename` isn't in it.  The data returned will be
    an empty string if the file is empty.

    """
    markers = ['.zip'+os.sep, '.egg'+os.sep]
    for marker in markers:
        if marker in filename:
            parts = filename.split(marker)
            try:
                zi = zipimport.zipimporter(parts[0]+marker[:-1])
            except zipimport.ZipImportError:
                continue
            try:
                data = zi.get_data(parts[1])
            except IOError:
                continue
            return data
    return None