export.py 文件源码

def listCursors(self, backupkey=None, cursor=None, kind=None, *args, **kwargs):
        assert safeStringComparison(backupKey, backupkey)
        if cursor:
            c = datastore_query.Cursor(urlsafe=cursor)
        else:
            c = None
        r = []
        for x in range(0,10):
            q = datastore.Query(kind, cursor=c)
            q.Get(1, offset=999)
            newCursor = q.GetCursor()
            if newCursor != c:
                c = newCursor
                r.append(c.urlsafe())
            else:
                break
        return (pickle.dumps({"cursors": r}).encode("HEX"))