Function _check_zipfile

tools/python-3.11.9-amd64/Lib/zipfile.py:218–224

(fp)

    return b''.join(buffer)

def _check_zipfile(fp):
    try:
        if _EndRecData(fp):
            return True         # file has correct magic number
    except OSError:
        pass
    return False

def is_zipfile(filename):
    """Quickly see if a file is a ZIP file by checking the magic number.