zcontent.py 文件源码

def get_mimetype(f):
    try:
        ftype = magic.from_file(f, mime=True)
    except AttributeError:
        try:
            mag = magic.open(magic.MAGIC_MIME)
            mag.load()
            ftype = mag.file(f)
        except AttributeError as e:
            raise RuntimeError('unable to detect cached file type')

    if PYVERSION < 3:
        ftype = ftype.decode('utf-8')

    return ftype