__init__.py 文件源码

def init_zoneinfo():
    """
    Add each zone info to the datastore. This will overwrite existing zones.

    This must be called before the AppengineTimezoneLoader will work.
    """
    import os
    import logging
    from zipfile import ZipFile
    zoneobjs = []

    zoneinfo_path = os.path.abspath(
        os.path.join(os.path.dirname(__file__), 'zoneinfo.zip'))

    with ZipFile(zoneinfo_path) as zf:
        for zfi in zf.filelist:
            key = ndb.Key('Zoneinfo', zfi.filename, namespace=NDB_NAMESPACE)
            zobj = Zoneinfo(key=key, data=zf.read(zfi))
            zoneobjs.append(zobj)

    logging.info(
        "Adding %d timezones to the pytz-appengine database" %
        len(zoneobjs))

    ndb.put_multi(zoneobjs)