tweetdata.py 文件源码

def tweets_since(self, dt):
        """
        Retrieves all tweets since a particular datetime as a generator that
        iterates on ``chunksize``.

        :param dt: The starting datetime to query from.
        """
        conn = sqlite3.connect(self._db, detect_types=sqlite3.PARSE_DECLTYPES)
        df = pd.read_sql_query(
            'SELECT * FROM tweets WHERE created_at > ?', conn, params=(dt,),
            parse_dates=['created_at']
            )
        return TweetBin(df, dt, datetime.now())