Function _encode_datetime

bson/json_util.py:908–928

(obj: datetime.datetime, json_options: JSONOptions)

def _encode_datetime(obj: datetime.datetime, json_options: JSONOptions) -> dict:  # type: ignore[type-arg]
    if json_options.datetime_representation == DatetimeRepresentation.ISO8601:
        if not obj.tzinfo:
            obj = obj.replace(tzinfo=utc)
            assert obj.tzinfo is not None
        if obj >= EPOCH_AWARE:
            off = obj.tzinfo.utcoffset(obj)
            if (off.days, off.seconds, off.microseconds) == (0, 0, 0):  # type: ignore
                tz_string = "Z"
            else:
                tz_string = obj.strftime("%z")
            millis = int(obj.microsecond / 1000)
            fracsecs = ".%03d" % (millis,) if millis else ""
            return {
                "$date": "{}{}{}".format(obj.strftime("%Y-%m-%dT%H:%M:%S"), fracsecs, tz_string)
            }

    millis = _datetime_to_millis(obj)
    if json_options.datetime_representation == DatetimeRepresentation.LEGACY:
        return {"$date": millis}
    return {"$date": {"$numberLong": str(millis)}}


def _encode_bytes(obj: bytes, json_options: JSONOptions) -> dict:  # type: ignore[type-arg]