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105 lines
3.2 KiB
Python
105 lines
3.2 KiB
Python
"""Patch time related functions."""
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from __future__ import annotations
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import datetime
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import time
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import freezegun
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def ha_datetime_to_fakedatetime(datetime) -> freezegun.api.FakeDatetime: # type: ignore[name-defined]
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"""Convert datetime to FakeDatetime.
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Modified to include https://github.com/spulec/freezegun/pull/424.
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"""
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return freezegun.api.FakeDatetime( # type: ignore[attr-defined]
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datetime.year,
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datetime.month,
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datetime.day,
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datetime.hour,
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datetime.minute,
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datetime.second,
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datetime.microsecond,
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datetime.tzinfo,
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fold=datetime.fold,
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)
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class HAFakeDateMeta(freezegun.api.FakeDateMeta):
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"""Modified to override the string representation."""
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def __str__(cls) -> str: # noqa: N805 (ruff doesn't know this is a metaclass)
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"""Return the string representation of the class."""
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return "<class 'datetime.date'>"
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class HAFakeDate(freezegun.api.FakeDate, metaclass=HAFakeDateMeta): # type: ignore[name-defined]
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"""Modified to improve class str."""
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class HAFakeDatetimeMeta(freezegun.api.FakeDatetimeMeta):
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"""Modified to override the string representation."""
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def __str__(cls) -> str: # noqa: N805 (ruff doesn't know this is a metaclass)
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"""Return the string representation of the class."""
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return "<class 'datetime.datetime'>"
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class HAFakeDatetime(freezegun.api.FakeDatetime, metaclass=HAFakeDatetimeMeta): # type: ignore[name-defined]
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"""Modified to include basic fold support and improve class str.
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Fold support submitted to upstream in https://github.com/spulec/freezegun/pull/424.
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"""
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@classmethod
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def now(cls, tz=None):
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"""Return frozen now."""
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now = cls._time_to_freeze() or freezegun.api.real_datetime.now()
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if tz:
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result = tz.fromutc(now.replace(tzinfo=tz))
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else:
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result = now
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# Add the _tz_offset only if it's non-zero to preserve fold
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if cls._tz_offset():
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result += cls._tz_offset()
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return ha_datetime_to_fakedatetime(result)
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# Needed by Mashumaro
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datetime.HAFakeDatetime = HAFakeDatetime
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# Do not add any Home Assistant import here
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def _utcnow() -> datetime.datetime:
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"""Make utcnow patchable by freezegun."""
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return datetime.datetime.now(datetime.UTC)
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def _monotonic() -> float:
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"""Make monotonic patchable by freezegun."""
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return time.monotonic()
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# Before importing any other Home Assistant functionality, import and replace
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# partial dt_util.utcnow with a regular function which can be found by freezegun
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from homeassistant import util # noqa: E402
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from homeassistant.util import dt as dt_util # noqa: E402
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dt_util.utcnow = _utcnow # type: ignore[assignment]
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util.utcnow = _utcnow # type: ignore[assignment]
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# Import other Home Assistant functionality which we need to patch
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from homeassistant import runner # noqa: E402
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from homeassistant.helpers import event as event_helper # noqa: E402
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# Replace partial functions which are not found by freezegun
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event_helper.time_tracker_utcnow = _utcnow # type: ignore[assignment]
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# Replace bound methods which are not found by freezegun
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runner.monotonic = _monotonic # type: ignore[assignment]
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