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# encoding: utf-8
"""
Timezone utilities
Just UTC-awareness right now
Deprecated since IPython 8.19.0.
"""
# -----------------------------------------------------------------------------
# Copyright (C) 2013 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
# -----------------------------------------------------------------------------
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import warnings
from datetime import tzinfo, timedelta, datetime
# -----------------------------------------------------------------------------
# Code
# -----------------------------------------------------------------------------
__all__ = ["tzUTC", "utc_aware", "utcfromtimestamp", "utcnow"]
# constant for zero offset
ZERO = timedelta(0)
def __getattr__(name):
if name not in __all__:
err = f"IPython.utils.tz is deprecated and has no attribute {name}"
raise AttributeError(err)
_warn_deprecated()
return getattr(name)
def _warn_deprecated():
msg = "The module `IPython.utils.tz` is deprecated and will be completely removed."
warnings.warn(msg, category=DeprecationWarning, stacklevel=2)
class tzUTC(tzinfo):
"""tzinfo object for UTC (zero offset)
Deprecated since IPython 8.19.0.
"""
_warn_deprecated()
def utcoffset(self, d):
return ZERO
def dst(self, d):
return ZERO
UTC = tzUTC() # type: ignore[abstract]
def utc_aware(unaware):
"""decorator for adding UTC tzinfo to datetime's utcfoo methods
Deprecated since IPython 8.19.0.
"""
def utc_method(*args, **kwargs):
_warn_deprecated()
dt = unaware(*args, **kwargs)
return dt.replace(tzinfo=UTC)
return utc_method
utcfromtimestamp = utc_aware(datetime.utcfromtimestamp)
utcnow = utc_aware(datetime.utcnow)
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