import_cards.py 文件源码

def fetch_data():
    try:
        r = requests.get(MTG_JSON_URL)
    except requests.ConnectionError:
        r = requests.get(FALLBACK_MTG_JSON_URL)
    with closing(r), zipfile.ZipFile(io.BytesIO(r.content)) as archive:
        unzipped_files = archive.infolist()
        if len(unzipped_files) != 1:
            raise RuntimeError("Found an unexpected number of files in the MTGJSON archive.")
        data = archive.read(archive.infolist()[0])
    decoded_data = data.decode('utf-8')
    sets_data = json.loads(decoded_data)
    return sets_data