pburl_decoder.py 文件源码

def produce(obj, pb, sep):
    for ds, val in pb.ListFields():
        for val in (val if ds.label == ds.LABEL_REPEATED else [val]):

            if ds.cpp_type == ds.CPPTYPE_MESSAGE:
                origlen = len(obj)
                produce(obj, val, sep)
                obj.insert(origlen, '%dm%d' % (ds.number, len(obj) - origlen))
                continue

            elif ds.type == ds.TYPE_STRING:
                if sep == '!':
                    val = val.replace('*', '*2A').replace('!', '*21')
                else:
                    val = quote(val, safe='~()*!.\'')

            elif ds.type == ds.TYPE_BYTES:
                val = urlsafe_b64encode(val).decode('ascii').strip('=')

            elif ds.type == ds.TYPE_BOOL:
                val = int(val)

            obj.append('%d%s%s' % (ds.number, types_enc[ds.type], val))

    return obj