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# encoding: utf-8
"""
Timezone utilities
Just UTC-awareness right now
"""
#-----------------------------------------------------------------------------
# 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
#-----------------------------------------------------------------------------
from datetime import tzinfo, timedelta, datetime
#-----------------------------------------------------------------------------
# Code
#-----------------------------------------------------------------------------
# constant for zero offset
ZERO = timedelta(0)
class tzUTC(tzinfo):
"""tzinfo object for UTC (zero offset)"""
def utcoffset(self, d):
return ZERO
def dst(self, d):
return ZERO
UTC = tzUTC()
def utc_aware(unaware):
"""decorator for adding UTC tzinfo to datetime's utcfoo methods"""
def utc_method(*args, **kwargs):
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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