trace.py 文件源码

def _validated_tuples_to_dataframe(self, validated_tuples):

        if validated_tuples == []:
            dts, values, estimateds = [], [], []
        else:
            dts, values, estimateds = zip(*validated_tuples)

        if self.parse_dates:
            dts = [dateutil.parser.parse(dt) for dt in dts]

        index = pd.DatetimeIndex(dts)
        if index.shape[0] > 0:
            index = index.tz_convert(pytz.UTC)

        df = pd.DataFrame(
            {"value": values, "estimated": estimateds},
            index=index,
            columns=["value", "estimated"],
        )
        df.value = df.value.astype(float)
        df.estimated = df.estimated.astype(bool)
        return df