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from __future__ import annotations
import copy
import datetime
# ToDo: you could probably attach the tzinfo correctly to the object
# a more complete datetime might be used by safe loading as well
#
# add type information (iso8601, spaced)
if False: # MYPY
from typing import Any, Dict, List, Optional # NOQA
class TimeStamp(datetime.datetime):
def __init__(self, *args: Any, **kw: Any) -> None:
self._yaml: Dict[str, Any] = dict(t=False, tz=None, delta=0)
def __new__(cls, *args: Any, **kw: Any) -> Any: # datetime is immutable
return datetime.datetime.__new__(cls, *args, **kw)
def __deepcopy__(self, memo: Any) -> Any:
ts = TimeStamp(
self.year, self.month, self.day, self.hour, self.minute, self.second
)
ts._yaml = copy.deepcopy(self._yaml)
return ts
def replace(
self,
year: Any = None,
month: Any = None,
day: Any = None,
hour: Any = None,
minute: Any = None,
second: Any = None,
microsecond: Any = None,
tzinfo: Any = True,
fold: Any = None,
) -> Any:
if year is None:
year = self.year
if month is None:
month = self.month
if day is None:
day = self.day
if hour is None:
hour = self.hour
if minute is None:
minute = self.minute
if second is None:
second = self.second
if microsecond is None:
microsecond = self.microsecond
if tzinfo is True:
tzinfo = self.tzinfo
if fold is None:
fold = self.fold
ts = type(self)(
year, month, day, hour, minute, second, microsecond, tzinfo, fold=fold
)
ts._yaml = copy.deepcopy(self._yaml)
return ts
def __str__(self) -> str:
return self.isoformat('T' if self._yaml['t'] else ' ')
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