/usr/lib/python2.7/dist-packages/twext/python/timezone.py is in calendarserver 5.2+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (c) 2012-2014 Apple Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##
from twistedcaldav.config import config
import twistedcaldav.timezones
DEFAULT_TIMEZONE = "America/Los_Angeles"
try:
from Foundation import NSTimeZone
def lookupSystemTimezone():
return NSTimeZone.localTimeZone().name().encode("utf-8")
except:
def lookupSystemTimezone():
return ""
def getLocalTimezone():
"""
Returns the default timezone for the server. The order of precedence is:
config.DefaultTimezone, lookupSystemTimezone( ), DEFAULT_TIMEZONE.
Also, if neither of the first two values in that list are in the timezone
database, DEFAULT_TIMEZONE is returned.
@return: The server's local timezone name
@rtype: C{str}
"""
if config.DefaultTimezone:
if twistedcaldav.timezones.hasTZ(config.DefaultTimezone):
return config.DefaultTimezone
systemTimezone = lookupSystemTimezone()
if twistedcaldav.timezones.hasTZ(systemTimezone):
return systemTimezone
return DEFAULT_TIMEZONE
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