bazarr/libs/pytz/__init__.py

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'''
datetime.tzinfo timezone definitions generated from the
Olson timezone database:
ftp://elsie.nci.nih.gov/pub/tz*.tar.gz
See the datetime section of the Python Library Reference for information
on how to use these modules.
'''
# The IANA (nee Olson) database is updated several times a year.
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OLSON_VERSION = '2017b'
VERSION = '2017.2' # Switching to pip compatible version numbering.
__version__ = VERSION
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OLSEN_VERSION = OLSON_VERSION # Old releases had this misspelling
__all__ = [
'timezone', 'utc', 'country_timezones', 'country_names',
'AmbiguousTimeError', 'InvalidTimeError',
'NonExistentTimeError', 'UnknownTimeZoneError',
'all_timezones', 'all_timezones_set',
'common_timezones', 'common_timezones_set',
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]
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import sys, datetime, os.path, gettext
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from pytz.exceptions import AmbiguousTimeError
from pytz.exceptions import InvalidTimeError
from pytz.exceptions import NonExistentTimeError
from pytz.exceptions import UnknownTimeZoneError
from pytz.lazy import LazyDict, LazyList, LazySet
from pytz.tzinfo import unpickler
from pytz.tzfile import build_tzinfo, _byte_string
try:
unicode
except NameError: # Python 3.x
# Python 3.x doesn't have unicode(), making writing code
# for Python 2.3 and Python 3.x a pain.
unicode = str
def ascii(s):
r"""
>>> ascii('Hello')
'Hello'
>>> ascii('\N{TRADE MARK SIGN}') #doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last):
...
UnicodeEncodeError: ...
"""
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s.encode('ASCII') # Raise an exception if not ASCII
return s # But return the original string - not a byte string.
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else: # Python 2.x
def ascii(s):
r"""
>>> ascii('Hello')
'Hello'
>>> ascii(u'Hello')
'Hello'
>>> ascii(u'\N{TRADE MARK SIGN}') #doctest: +IGNORE_EXCEPTION_DETAIL
Traceback (most recent call last):
...
UnicodeEncodeError: ...
"""
return s.encode('ASCII')
def open_resource(name):
"""Open a resource from the zoneinfo subdir for reading.
Uses the pkg_resources module if available and no standard file
found at the calculated location.
"""
name_parts = name.lstrip('/').split('/')
for part in name_parts:
if part == os.path.pardir or os.path.sep in part:
raise ValueError('Bad path segment: %r' % part)
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filename = os.path.join(os.path.dirname(__file__),
'zoneinfo', *name_parts)
if not os.path.exists(filename):
# http://bugs.launchpad.net/bugs/383171 - we avoid using this
# unless absolutely necessary to help when a broken version of
# pkg_resources is installed.
try:
from pkg_resources import resource_stream
except ImportError:
resource_stream = None
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if resource_stream is not None:
return resource_stream(__name__, 'zoneinfo/' + name)
return open(filename, 'rb')
def resource_exists(name):
"""Return true if the given resource exists"""
try:
open_resource(name).close()
return True
except IOError:
return False
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# Enable this when we get some translations?
# We want an i18n API that is useful to programs using Python's gettext
# module, as well as the Zope3 i18n package. Perhaps we should just provide
# the POT file and translations, and leave it up to callers to make use
# of them.
#
# t = gettext.translation(
# 'pytz', os.path.join(os.path.dirname(__file__), 'locales'),
# fallback=True
# )
# def _(timezone_name):
# """Translate a timezone name using the current locale, returning Unicode"""
# return t.ugettext(timezone_name)
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_tzinfo_cache = {}
def timezone(zone):
r''' Return a datetime.tzinfo implementation for the given timezone
>>> from datetime import datetime, timedelta
>>> utc = timezone('UTC')
>>> eastern = timezone('US/Eastern')
>>> eastern.zone
'US/Eastern'
>>> timezone(unicode('US/Eastern')) is eastern
True
>>> utc_dt = datetime(2002, 10, 27, 6, 0, 0, tzinfo=utc)
>>> loc_dt = utc_dt.astimezone(eastern)
>>> fmt = '%Y-%m-%d %H:%M:%S %Z (%z)'
>>> loc_dt.strftime(fmt)
'2002-10-27 01:00:00 EST (-0500)'
>>> (loc_dt - timedelta(minutes=10)).strftime(fmt)
'2002-10-27 00:50:00 EST (-0500)'
>>> eastern.normalize(loc_dt - timedelta(minutes=10)).strftime(fmt)
'2002-10-27 01:50:00 EDT (-0400)'
>>> (loc_dt + timedelta(minutes=10)).strftime(fmt)
'2002-10-27 01:10:00 EST (-0500)'
Raises UnknownTimeZoneError if passed an unknown zone.
>>> try:
... timezone('Asia/Shangri-La')
... except UnknownTimeZoneError:
... print('Unknown')
Unknown
>>> try:
... timezone(unicode('\N{TRADE MARK SIGN}'))
... except UnknownTimeZoneError:
... print('Unknown')
Unknown
'''
if zone.upper() == 'UTC':
return utc
try:
zone = ascii(zone)
except UnicodeEncodeError:
# All valid timezones are ASCII
raise UnknownTimeZoneError(zone)
zone = _unmunge_zone(zone)
if zone not in _tzinfo_cache:
if zone in all_timezones_set:
fp = open_resource(zone)
try:
_tzinfo_cache[zone] = build_tzinfo(zone, fp)
finally:
fp.close()
else:
raise UnknownTimeZoneError(zone)
return _tzinfo_cache[zone]
def _unmunge_zone(zone):
"""Undo the time zone name munging done by older versions of pytz."""
return zone.replace('_plus_', '+').replace('_minus_', '-')
ZERO = datetime.timedelta(0)
HOUR = datetime.timedelta(hours=1)
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class UTC(datetime.tzinfo):
"""UTC
Optimized UTC implementation. It unpickles using the single module global
instance defined beneath this class declaration.
"""
zone = "UTC"
_utcoffset = ZERO
_dst = ZERO
_tzname = zone
def fromutc(self, dt):
if dt.tzinfo is None:
return self.localize(dt)
return super(utc.__class__, self).fromutc(dt)
def utcoffset(self, dt):
return ZERO
def tzname(self, dt):
return "UTC"
def dst(self, dt):
return ZERO
def __reduce__(self):
return _UTC, ()
def localize(self, dt, is_dst=False):
'''Convert naive time to local time'''
if dt.tzinfo is not None:
raise ValueError('Not naive datetime (tzinfo is already set)')
return dt.replace(tzinfo=self)
def normalize(self, dt, is_dst=False):
'''Correct the timezone information on the given datetime'''
if dt.tzinfo is self:
return dt
if dt.tzinfo is None:
raise ValueError('Naive time - no tzinfo set')
return dt.astimezone(self)
def __repr__(self):
return "<UTC>"
def __str__(self):
return "UTC"
UTC = utc = UTC() # UTC is a singleton
def _UTC():
"""Factory function for utc unpickling.
Makes sure that unpickling a utc instance always returns the same
module global.
These examples belong in the UTC class above, but it is obscured; or in
the README.txt, but we are not depending on Python 2.4 so integrating
the README.txt examples with the unit tests is not trivial.
>>> import datetime, pickle
>>> dt = datetime.datetime(2005, 3, 1, 14, 13, 21, tzinfo=utc)
>>> naive = dt.replace(tzinfo=None)
>>> p = pickle.dumps(dt, 1)
>>> naive_p = pickle.dumps(naive, 1)
>>> len(p) - len(naive_p)
17
>>> new = pickle.loads(p)
>>> new == dt
True
>>> new is dt
False
>>> new.tzinfo is dt.tzinfo
True
>>> utc is UTC is timezone('UTC')
True
>>> utc is timezone('GMT')
False
"""
return utc
_UTC.__safe_for_unpickling__ = True
def _p(*args):
"""Factory function for unpickling pytz tzinfo instances.
Just a wrapper around tzinfo.unpickler to save a few bytes in each pickle
by shortening the path.
"""
return unpickler(*args)
_p.__safe_for_unpickling__ = True
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class _CountryTimezoneDict(LazyDict):
"""Map ISO 3166 country code to a list of timezone names commonly used
in that country.
iso3166_code is the two letter code used to identify the country.
>>> def print_list(list_of_strings):
... 'We use a helper so doctests work under Python 2.3 -> 3.x'
... for s in list_of_strings:
... print(s)
>>> print_list(country_timezones['nz'])
Pacific/Auckland
Pacific/Chatham
>>> print_list(country_timezones['ch'])
Europe/Zurich
>>> print_list(country_timezones['CH'])
Europe/Zurich
>>> print_list(country_timezones[unicode('ch')])
Europe/Zurich
>>> print_list(country_timezones['XXX'])
Traceback (most recent call last):
...
KeyError: 'XXX'
Previously, this information was exposed as a function rather than a
dictionary. This is still supported::
>>> print_list(country_timezones('nz'))
Pacific/Auckland
Pacific/Chatham
"""
def __call__(self, iso3166_code):
"""Backwards compatibility."""
return self[iso3166_code]
def _fill(self):
data = {}
zone_tab = open_resource('zone.tab')
try:
for line in zone_tab:
line = line.decode('UTF-8')
if line.startswith('#'):
continue
code, coordinates, zone = line.split(None, 4)[:3]
if zone not in all_timezones_set:
continue
try:
data[code].append(zone)
except KeyError:
data[code] = [zone]
self.data = data
finally:
zone_tab.close()
country_timezones = _CountryTimezoneDict()
class _CountryNameDict(LazyDict):
'''Dictionary proving ISO3166 code -> English name.
>>> print(country_names['au'])
Australia
'''
def _fill(self):
data = {}
zone_tab = open_resource('iso3166.tab')
try:
for line in zone_tab.readlines():
line = line.decode('UTF-8')
if line.startswith('#'):
continue
code, name = line.split(None, 1)
data[code] = name.strip()
self.data = data
finally:
zone_tab.close()
country_names = _CountryNameDict()
# Time-zone info based solely on fixed offsets
class _FixedOffset(datetime.tzinfo):
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zone = None # to match the standard pytz API
def __init__(self, minutes):
if abs(minutes) >= 1440:
raise ValueError("absolute offset is too large", minutes)
self._minutes = minutes
self._offset = datetime.timedelta(minutes=minutes)
def utcoffset(self, dt):
return self._offset
def __reduce__(self):
return FixedOffset, (self._minutes, )
def dst(self, dt):
return ZERO
def tzname(self, dt):
return None
def __repr__(self):
return 'pytz.FixedOffset(%d)' % self._minutes
def localize(self, dt, is_dst=False):
'''Convert naive time to local time'''
if dt.tzinfo is not None:
raise ValueError('Not naive datetime (tzinfo is already set)')
return dt.replace(tzinfo=self)
def normalize(self, dt, is_dst=False):
'''Correct the timezone information on the given datetime'''
if dt.tzinfo is self:
return dt
if dt.tzinfo is None:
raise ValueError('Naive time - no tzinfo set')
return dt.astimezone(self)
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def FixedOffset(offset, _tzinfos = {}):
"""return a fixed-offset timezone based off a number of minutes.
>>> one = FixedOffset(-330)
>>> one
pytz.FixedOffset(-330)
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>>> one.utcoffset(datetime.datetime.now())
datetime.timedelta(-1, 66600)
>>> one.dst(datetime.datetime.now())
datetime.timedelta(0)
>>> two = FixedOffset(1380)
>>> two
pytz.FixedOffset(1380)
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>>> two.utcoffset(datetime.datetime.now())
datetime.timedelta(0, 82800)
>>> two.dst(datetime.datetime.now())
datetime.timedelta(0)
The datetime.timedelta must be between the range of -1 and 1 day,
non-inclusive.
>>> FixedOffset(1440)
Traceback (most recent call last):
...
ValueError: ('absolute offset is too large', 1440)
>>> FixedOffset(-1440)
Traceback (most recent call last):
...
ValueError: ('absolute offset is too large', -1440)
An offset of 0 is special-cased to return UTC.
>>> FixedOffset(0) is UTC
True
There should always be only one instance of a FixedOffset per timedelta.
This should be true for multiple creation calls.
>>> FixedOffset(-330) is one
True
>>> FixedOffset(1380) is two
True
It should also be true for pickling.
>>> import pickle
>>> pickle.loads(pickle.dumps(one)) is one
True
>>> pickle.loads(pickle.dumps(two)) is two
True
"""
if offset == 0:
return UTC
info = _tzinfos.get(offset)
if info is None:
# We haven't seen this one before. we need to save it.
# Use setdefault to avoid a race condition and make sure we have
# only one
info = _tzinfos.setdefault(offset, _FixedOffset(offset))
return info
FixedOffset.__safe_for_unpickling__ = True
def _test():
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import doctest, os, sys
sys.path.insert(0, os.pardir)
import pytz
return doctest.testmod(pytz)
if __name__ == '__main__':
_test()
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all_timezones = \
['Africa/Abidjan',
'Africa/Accra',
'Africa/Addis_Ababa',
'Africa/Algiers',
'Africa/Asmara',
'Africa/Asmera',
'Africa/Bamako',
'Africa/Bangui',
'Africa/Banjul',
'Africa/Bissau',
'Africa/Blantyre',
'Africa/Brazzaville',
'Africa/Bujumbura',
'Africa/Cairo',
'Africa/Casablanca',
'Africa/Ceuta',
'Africa/Conakry',
'Africa/Dakar',
'Africa/Dar_es_Salaam',
'Africa/Djibouti',
'Africa/Douala',
'Africa/El_Aaiun',
'Africa/Freetown',
'Africa/Gaborone',
'Africa/Harare',
'Africa/Johannesburg',
'Africa/Juba',
'Africa/Kampala',
'Africa/Khartoum',
'Africa/Kigali',
'Africa/Kinshasa',
'Africa/Lagos',
'Africa/Libreville',
'Africa/Lome',
'Africa/Luanda',
'Africa/Lubumbashi',
'Africa/Lusaka',
'Africa/Malabo',
'Africa/Maputo',
'Africa/Maseru',
'Africa/Mbabane',
'Africa/Mogadishu',
'Africa/Monrovia',
'Africa/Nairobi',
'Africa/Ndjamena',
'Africa/Niamey',
'Africa/Nouakchott',
'Africa/Ouagadougou',
'Africa/Porto-Novo',
'Africa/Sao_Tome',
'Africa/Timbuktu',
'Africa/Tripoli',
'Africa/Tunis',
'Africa/Windhoek',
'America/Adak',
'America/Anchorage',
'America/Anguilla',
'America/Antigua',
'America/Araguaina',
'America/Argentina/Buenos_Aires',
'America/Argentina/Catamarca',
'America/Argentina/ComodRivadavia',
'America/Argentina/Cordoba',
'America/Argentina/Jujuy',
'America/Argentina/La_Rioja',
'America/Argentina/Mendoza',
'America/Argentina/Rio_Gallegos',
'America/Argentina/Salta',
'America/Argentina/San_Juan',
'America/Argentina/San_Luis',
'America/Argentina/Tucuman',
'America/Argentina/Ushuaia',
'America/Aruba',
'America/Asuncion',
'America/Atikokan',
'America/Atka',
'America/Bahia',
'America/Bahia_Banderas',
'America/Barbados',
'America/Belem',
'America/Belize',
'America/Blanc-Sablon',
'America/Boa_Vista',
'America/Bogota',
'America/Boise',
'America/Buenos_Aires',
'America/Cambridge_Bay',
'America/Campo_Grande',
'America/Cancun',
'America/Caracas',
'America/Catamarca',
'America/Cayenne',
'America/Cayman',
'America/Chicago',
'America/Chihuahua',
'America/Coral_Harbour',
'America/Cordoba',
'America/Costa_Rica',
'America/Creston',
'America/Cuiaba',
'America/Curacao',
'America/Danmarkshavn',
'America/Dawson',
'America/Dawson_Creek',
'America/Denver',
'America/Detroit',
'America/Dominica',
'America/Edmonton',
'America/Eirunepe',
'America/El_Salvador',
'America/Ensenada',
'America/Fort_Nelson',
'America/Fort_Wayne',
'America/Fortaleza',
'America/Glace_Bay',
'America/Godthab',
'America/Goose_Bay',
'America/Grand_Turk',
'America/Grenada',
'America/Guadeloupe',
'America/Guatemala',
'America/Guayaquil',
'America/Guyana',
'America/Halifax',
'America/Havana',
'America/Hermosillo',
'America/Indiana/Indianapolis',
'America/Indiana/Knox',
'America/Indiana/Marengo',
'America/Indiana/Petersburg',
'America/Indiana/Tell_City',
'America/Indiana/Vevay',
'America/Indiana/Vincennes',
'America/Indiana/Winamac',
'America/Indianapolis',
'America/Inuvik',
'America/Iqaluit',
'America/Jamaica',
'America/Jujuy',
'America/Juneau',
'America/Kentucky/Louisville',
'America/Kentucky/Monticello',
'America/Knox_IN',
'America/Kralendijk',
'America/La_Paz',
'America/Lima',
'America/Los_Angeles',
'America/Louisville',
'America/Lower_Princes',
'America/Maceio',
'America/Managua',
'America/Manaus',
'America/Marigot',
'America/Martinique',
'America/Matamoros',
'America/Mazatlan',
'America/Mendoza',
'America/Menominee',
'America/Merida',
'America/Metlakatla',
'America/Mexico_City',
'America/Miquelon',
'America/Moncton',
'America/Monterrey',
'America/Montevideo',
'America/Montreal',
'America/Montserrat',
'America/Nassau',
'America/New_York',
'America/Nipigon',
'America/Nome',
'America/Noronha',
'America/North_Dakota/Beulah',
'America/North_Dakota/Center',
'America/North_Dakota/New_Salem',
'America/Ojinaga',
'America/Panama',
'America/Pangnirtung',
'America/Paramaribo',
'America/Phoenix',
'America/Port-au-Prince',
'America/Port_of_Spain',
'America/Porto_Acre',
'America/Porto_Velho',
'America/Puerto_Rico',
'America/Punta_Arenas',
'America/Rainy_River',
'America/Rankin_Inlet',
'America/Recife',
'America/Regina',
'America/Resolute',
'America/Rio_Branco',
'America/Rosario',
'America/Santa_Isabel',
'America/Santarem',
'America/Santiago',
'America/Santo_Domingo',
'America/Sao_Paulo',
'America/Scoresbysund',
'America/Shiprock',
'America/Sitka',
'America/St_Barthelemy',
'America/St_Johns',
'America/St_Kitts',
'America/St_Lucia',
'America/St_Thomas',
'America/St_Vincent',
'America/Swift_Current',
'America/Tegucigalpa',
'America/Thule',
'America/Thunder_Bay',
'America/Tijuana',
'America/Toronto',
'America/Tortola',
'America/Vancouver',
'America/Virgin',
'America/Whitehorse',
'America/Winnipeg',
'America/Yakutat',
'America/Yellowknife',
'Antarctica/Casey',
'Antarctica/Davis',
'Antarctica/DumontDUrville',
'Antarctica/Macquarie',
'Antarctica/Mawson',
'Antarctica/McMurdo',
'Antarctica/Palmer',
'Antarctica/Rothera',
'Antarctica/South_Pole',
'Antarctica/Syowa',
'Antarctica/Troll',
'Antarctica/Vostok',
'Arctic/Longyearbyen',
'Asia/Aden',
'Asia/Almaty',
'Asia/Amman',
'Asia/Anadyr',
'Asia/Aqtau',
'Asia/Aqtobe',
'Asia/Ashgabat',
'Asia/Ashkhabad',
'Asia/Atyrau',
'Asia/Baghdad',
'Asia/Bahrain',
'Asia/Baku',
'Asia/Bangkok',
'Asia/Barnaul',
'Asia/Beirut',
'Asia/Bishkek',
'Asia/Brunei',
'Asia/Calcutta',
'Asia/Chita',
'Asia/Choibalsan',
'Asia/Chongqing',
'Asia/Chungking',
'Asia/Colombo',
'Asia/Dacca',
'Asia/Damascus',
'Asia/Dhaka',
'Asia/Dili',
'Asia/Dubai',
'Asia/Dushanbe',
'Asia/Famagusta',
'Asia/Gaza',
'Asia/Harbin',
'Asia/Hebron',
'Asia/Ho_Chi_Minh',
'Asia/Hong_Kong',
'Asia/Hovd',
'Asia/Irkutsk',
'Asia/Istanbul',
'Asia/Jakarta',
'Asia/Jayapura',
'Asia/Jerusalem',
'Asia/Kabul',
'Asia/Kamchatka',
'Asia/Karachi',
'Asia/Kashgar',
'Asia/Kathmandu',
'Asia/Katmandu',
'Asia/Khandyga',
'Asia/Kolkata',
'Asia/Krasnoyarsk',
'Asia/Kuala_Lumpur',
'Asia/Kuching',
'Asia/Kuwait',
'Asia/Macao',
'Asia/Macau',
'Asia/Magadan',
'Asia/Makassar',
'Asia/Manila',
'Asia/Muscat',
'Asia/Nicosia',
'Asia/Novokuznetsk',
'Asia/Novosibirsk',
'Asia/Omsk',
'Asia/Oral',
'Asia/Phnom_Penh',
'Asia/Pontianak',
'Asia/Pyongyang',
'Asia/Qatar',
'Asia/Qyzylorda',
'Asia/Rangoon',
'Asia/Riyadh',
'Asia/Saigon',
'Asia/Sakhalin',
'Asia/Samarkand',
'Asia/Seoul',
'Asia/Shanghai',
'Asia/Singapore',
'Asia/Srednekolymsk',
'Asia/Taipei',
'Asia/Tashkent',
'Asia/Tbilisi',
'Asia/Tehran',
'Asia/Tel_Aviv',
'Asia/Thimbu',
'Asia/Thimphu',
'Asia/Tokyo',
'Asia/Tomsk',
'Asia/Ujung_Pandang',
'Asia/Ulaanbaatar',
'Asia/Ulan_Bator',
'Asia/Urumqi',
'Asia/Ust-Nera',
'Asia/Vientiane',
'Asia/Vladivostok',
'Asia/Yakutsk',
'Asia/Yangon',
'Asia/Yekaterinburg',
'Asia/Yerevan',
'Atlantic/Azores',
'Atlantic/Bermuda',
'Atlantic/Canary',
'Atlantic/Cape_Verde',
'Atlantic/Faeroe',
'Atlantic/Faroe',
'Atlantic/Jan_Mayen',
'Atlantic/Madeira',
'Atlantic/Reykjavik',
'Atlantic/South_Georgia',
'Atlantic/St_Helena',
'Atlantic/Stanley',
'Australia/ACT',
'Australia/Adelaide',
'Australia/Brisbane',
'Australia/Broken_Hill',
'Australia/Canberra',
'Australia/Currie',
'Australia/Darwin',
'Australia/Eucla',
'Australia/Hobart',
'Australia/LHI',
'Australia/Lindeman',
'Australia/Lord_Howe',
'Australia/Melbourne',
'Australia/NSW',
'Australia/North',
'Australia/Perth',
'Australia/Queensland',
'Australia/South',
'Australia/Sydney',
'Australia/Tasmania',
'Australia/Victoria',
'Australia/West',
'Australia/Yancowinna',
'Brazil/Acre',
'Brazil/DeNoronha',
'Brazil/East',
'Brazil/West',
'CET',
'CST6CDT',
'Canada/Atlantic',
'Canada/Central',
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'Canada/East-Saskatchewan',
'Canada/Eastern',
'Canada/Mountain',
'Canada/Newfoundland',
'Canada/Pacific',
'Canada/Saskatchewan',
'Canada/Yukon',
'Chile/Continental',
'Chile/EasterIsland',
'Cuba',
'EET',
'EST',
'EST5EDT',
'Egypt',
'Eire',
'Etc/GMT',
'Etc/GMT+0',
'Etc/GMT+1',
'Etc/GMT+10',
'Etc/GMT+11',
'Etc/GMT+12',
'Etc/GMT+2',
'Etc/GMT+3',
'Etc/GMT+4',
'Etc/GMT+5',
'Etc/GMT+6',
'Etc/GMT+7',
'Etc/GMT+8',
'Etc/GMT+9',
'Etc/GMT-0',
'Etc/GMT-1',
'Etc/GMT-10',
'Etc/GMT-11',
'Etc/GMT-12',
'Etc/GMT-13',
'Etc/GMT-14',
'Etc/GMT-2',
'Etc/GMT-3',
'Etc/GMT-4',
'Etc/GMT-5',
'Etc/GMT-6',
'Etc/GMT-7',
'Etc/GMT-8',
'Etc/GMT-9',
'Etc/GMT0',
'Etc/Greenwich',
'Etc/UCT',
'Etc/UTC',
'Etc/Universal',
'Etc/Zulu',
'Europe/Amsterdam',
'Europe/Andorra',
'Europe/Astrakhan',
'Europe/Athens',
'Europe/Belfast',
'Europe/Belgrade',
'Europe/Berlin',
'Europe/Bratislava',
'Europe/Brussels',
'Europe/Bucharest',
'Europe/Budapest',
'Europe/Busingen',
'Europe/Chisinau',
'Europe/Copenhagen',
'Europe/Dublin',
'Europe/Gibraltar',
'Europe/Guernsey',
'Europe/Helsinki',
'Europe/Isle_of_Man',
'Europe/Istanbul',
'Europe/Jersey',
'Europe/Kaliningrad',
'Europe/Kiev',
'Europe/Kirov',
'Europe/Lisbon',
'Europe/Ljubljana',
'Europe/London',
'Europe/Luxembourg',
'Europe/Madrid',
'Europe/Malta',
'Europe/Mariehamn',
'Europe/Minsk',
'Europe/Monaco',
'Europe/Moscow',
'Europe/Nicosia',
'Europe/Oslo',
'Europe/Paris',
'Europe/Podgorica',
'Europe/Prague',
'Europe/Riga',
'Europe/Rome',
'Europe/Samara',
'Europe/San_Marino',
'Europe/Sarajevo',
'Europe/Saratov',
'Europe/Simferopol',
'Europe/Skopje',
'Europe/Sofia',
'Europe/Stockholm',
'Europe/Tallinn',
'Europe/Tirane',
'Europe/Tiraspol',
'Europe/Ulyanovsk',
'Europe/Uzhgorod',
'Europe/Vaduz',
'Europe/Vatican',
'Europe/Vienna',
'Europe/Vilnius',
'Europe/Volgograd',
'Europe/Warsaw',
'Europe/Zagreb',
'Europe/Zaporozhye',
'Europe/Zurich',
'GB',
'GB-Eire',
'GMT',
'GMT+0',
'GMT-0',
'GMT0',
'Greenwich',
'HST',
'Hongkong',
'Iceland',
'Indian/Antananarivo',
'Indian/Chagos',
'Indian/Christmas',
'Indian/Cocos',
'Indian/Comoro',
'Indian/Kerguelen',
'Indian/Mahe',
'Indian/Maldives',
'Indian/Mauritius',
'Indian/Mayotte',
'Indian/Reunion',
'Iran',
'Israel',
'Jamaica',
'Japan',
'Kwajalein',
'Libya',
'MET',
'MST',
'MST7MDT',
'Mexico/BajaNorte',
'Mexico/BajaSur',
'Mexico/General',
'NZ',
'NZ-CHAT',
'Navajo',
'PRC',
'PST8PDT',
'Pacific/Apia',
'Pacific/Auckland',
'Pacific/Bougainville',
'Pacific/Chatham',
'Pacific/Chuuk',
'Pacific/Easter',
'Pacific/Efate',
'Pacific/Enderbury',
'Pacific/Fakaofo',
'Pacific/Fiji',
'Pacific/Funafuti',
'Pacific/Galapagos',
'Pacific/Gambier',
'Pacific/Guadalcanal',
'Pacific/Guam',
'Pacific/Honolulu',
'Pacific/Johnston',
'Pacific/Kiritimati',
'Pacific/Kosrae',
'Pacific/Kwajalein',
'Pacific/Majuro',
'Pacific/Marquesas',
'Pacific/Midway',
'Pacific/Nauru',
'Pacific/Niue',
'Pacific/Norfolk',
'Pacific/Noumea',
'Pacific/Pago_Pago',
'Pacific/Palau',
'Pacific/Pitcairn',
'Pacific/Pohnpei',
'Pacific/Ponape',
'Pacific/Port_Moresby',
'Pacific/Rarotonga',
'Pacific/Saipan',
'Pacific/Samoa',
'Pacific/Tahiti',
'Pacific/Tarawa',
'Pacific/Tongatapu',
'Pacific/Truk',
'Pacific/Wake',
'Pacific/Wallis',
'Pacific/Yap',
'Poland',
'Portugal',
'ROC',
'ROK',
'Singapore',
'Turkey',
'UCT',
'US/Alaska',
'US/Aleutian',
'US/Arizona',
'US/Central',
'US/East-Indiana',
'US/Eastern',
'US/Hawaii',
'US/Indiana-Starke',
'US/Michigan',
'US/Mountain',
'US/Pacific',
2018-10-31 16:08:29 +00:00
'US/Pacific-New',
'US/Samoa',
'UTC',
'Universal',
'W-SU',
'WET',
'Zulu']
all_timezones = LazyList(
tz for tz in all_timezones if resource_exists(tz))
all_timezones_set = LazySet(all_timezones)
common_timezones = \
['Africa/Abidjan',
'Africa/Accra',
'Africa/Addis_Ababa',
'Africa/Algiers',
'Africa/Asmara',
'Africa/Bamako',
'Africa/Bangui',
'Africa/Banjul',
'Africa/Bissau',
'Africa/Blantyre',
'Africa/Brazzaville',
'Africa/Bujumbura',
'Africa/Cairo',
'Africa/Casablanca',
'Africa/Ceuta',
'Africa/Conakry',
'Africa/Dakar',
'Africa/Dar_es_Salaam',
'Africa/Djibouti',
'Africa/Douala',
'Africa/El_Aaiun',
'Africa/Freetown',
'Africa/Gaborone',
'Africa/Harare',
'Africa/Johannesburg',
'Africa/Juba',
'Africa/Kampala',
'Africa/Khartoum',
'Africa/Kigali',
'Africa/Kinshasa',
'Africa/Lagos',
'Africa/Libreville',
'Africa/Lome',
'Africa/Luanda',
'Africa/Lubumbashi',
'Africa/Lusaka',
'Africa/Malabo',
'Africa/Maputo',
'Africa/Maseru',
'Africa/Mbabane',
'Africa/Mogadishu',
'Africa/Monrovia',
'Africa/Nairobi',
'Africa/Ndjamena',
'Africa/Niamey',
'Africa/Nouakchott',
'Africa/Ouagadougou',
'Africa/Porto-Novo',
'Africa/Sao_Tome',
'Africa/Tripoli',
'Africa/Tunis',
'Africa/Windhoek',
'America/Adak',
'America/Anchorage',
'America/Anguilla',
'America/Antigua',
'America/Araguaina',
'America/Argentina/Buenos_Aires',
'America/Argentina/Catamarca',
'America/Argentina/Cordoba',
'America/Argentina/Jujuy',
'America/Argentina/La_Rioja',
'America/Argentina/Mendoza',
'America/Argentina/Rio_Gallegos',
'America/Argentina/Salta',
'America/Argentina/San_Juan',
'America/Argentina/San_Luis',
'America/Argentina/Tucuman',
'America/Argentina/Ushuaia',
'America/Aruba',
'America/Asuncion',
'America/Atikokan',
'America/Bahia',
'America/Bahia_Banderas',
'America/Barbados',
'America/Belem',
'America/Belize',
'America/Blanc-Sablon',
'America/Boa_Vista',
'America/Bogota',
'America/Boise',
'America/Cambridge_Bay',
'America/Campo_Grande',
'America/Cancun',
'America/Caracas',
'America/Cayenne',
'America/Cayman',
'America/Chicago',
'America/Chihuahua',
'America/Costa_Rica',
'America/Creston',
'America/Cuiaba',
'America/Curacao',
'America/Danmarkshavn',
'America/Dawson',
'America/Dawson_Creek',
'America/Denver',
'America/Detroit',
'America/Dominica',
'America/Edmonton',
'America/Eirunepe',
'America/El_Salvador',
'America/Fort_Nelson',
'America/Fortaleza',
'America/Glace_Bay',
'America/Godthab',
'America/Goose_Bay',
'America/Grand_Turk',
'America/Grenada',
'America/Guadeloupe',
'America/Guatemala',
'America/Guayaquil',
'America/Guyana',
'America/Halifax',
'America/Havana',
'America/Hermosillo',
'America/Indiana/Indianapolis',
'America/Indiana/Knox',
'America/Indiana/Marengo',
'America/Indiana/Petersburg',
'America/Indiana/Tell_City',
'America/Indiana/Vevay',
'America/Indiana/Vincennes',
'America/Indiana/Winamac',
'America/Inuvik',
'America/Iqaluit',
'America/Jamaica',
'America/Juneau',
'America/Kentucky/Louisville',
'America/Kentucky/Monticello',
'America/Kralendijk',
'America/La_Paz',
'America/Lima',
'America/Los_Angeles',
'America/Lower_Princes',
'America/Maceio',
'America/Managua',
'America/Manaus',
'America/Marigot',
'America/Martinique',
'America/Matamoros',
'America/Mazatlan',
'America/Menominee',
'America/Merida',
'America/Metlakatla',
'America/Mexico_City',
'America/Miquelon',
'America/Moncton',
'America/Monterrey',
'America/Montevideo',
'America/Montserrat',
'America/Nassau',
'America/New_York',
'America/Nipigon',
'America/Nome',
'America/Noronha',
'America/North_Dakota/Beulah',
'America/North_Dakota/Center',
'America/North_Dakota/New_Salem',
'America/Ojinaga',
'America/Panama',
'America/Pangnirtung',
'America/Paramaribo',
'America/Phoenix',
'America/Port-au-Prince',
'America/Port_of_Spain',
'America/Porto_Velho',
'America/Puerto_Rico',
'America/Punta_Arenas',
'America/Rainy_River',
'America/Rankin_Inlet',
'America/Recife',
'America/Regina',
'America/Resolute',
'America/Rio_Branco',
'America/Santarem',
'America/Santiago',
'America/Santo_Domingo',
'America/Sao_Paulo',
'America/Scoresbysund',
'America/Sitka',
'America/St_Barthelemy',
'America/St_Johns',
'America/St_Kitts',
'America/St_Lucia',
'America/St_Thomas',
'America/St_Vincent',
'America/Swift_Current',
'America/Tegucigalpa',
'America/Thule',
'America/Thunder_Bay',
'America/Tijuana',
'America/Toronto',
'America/Tortola',
'America/Vancouver',
'America/Whitehorse',
'America/Winnipeg',
'America/Yakutat',
'America/Yellowknife',
'Antarctica/Casey',
'Antarctica/Davis',
'Antarctica/DumontDUrville',
'Antarctica/Macquarie',
'Antarctica/Mawson',
'Antarctica/McMurdo',
'Antarctica/Palmer',
'Antarctica/Rothera',
'Antarctica/Syowa',
'Antarctica/Troll',
'Antarctica/Vostok',
'Arctic/Longyearbyen',
'Asia/Aden',
'Asia/Almaty',
'Asia/Amman',
'Asia/Anadyr',
'Asia/Aqtau',
'Asia/Aqtobe',
'Asia/Ashgabat',
'Asia/Atyrau',
'Asia/Baghdad',
'Asia/Bahrain',
'Asia/Baku',
'Asia/Bangkok',
'Asia/Barnaul',
'Asia/Beirut',
'Asia/Bishkek',
'Asia/Brunei',
'Asia/Chita',
'Asia/Choibalsan',
'Asia/Colombo',
'Asia/Damascus',
'Asia/Dhaka',
'Asia/Dili',
'Asia/Dubai',
'Asia/Dushanbe',
'Asia/Famagusta',
'Asia/Gaza',
'Asia/Hebron',
'Asia/Ho_Chi_Minh',
'Asia/Hong_Kong',
'Asia/Hovd',
'Asia/Irkutsk',
'Asia/Jakarta',
'Asia/Jayapura',
'Asia/Jerusalem',
'Asia/Kabul',
'Asia/Kamchatka',
'Asia/Karachi',
'Asia/Kathmandu',
'Asia/Khandyga',
'Asia/Kolkata',
'Asia/Krasnoyarsk',
'Asia/Kuala_Lumpur',
'Asia/Kuching',
'Asia/Kuwait',
'Asia/Macau',
'Asia/Magadan',
'Asia/Makassar',
'Asia/Manila',
'Asia/Muscat',
'Asia/Nicosia',
'Asia/Novokuznetsk',
'Asia/Novosibirsk',
'Asia/Omsk',
'Asia/Oral',
'Asia/Phnom_Penh',
'Asia/Pontianak',
'Asia/Pyongyang',
'Asia/Qatar',
'Asia/Qyzylorda',
'Asia/Riyadh',
'Asia/Sakhalin',
'Asia/Samarkand',
'Asia/Seoul',
'Asia/Shanghai',
'Asia/Singapore',
'Asia/Srednekolymsk',
'Asia/Taipei',
'Asia/Tashkent',
'Asia/Tbilisi',
'Asia/Tehran',
'Asia/Thimphu',
'Asia/Tokyo',
'Asia/Tomsk',
'Asia/Ulaanbaatar',
'Asia/Urumqi',
'Asia/Ust-Nera',
'Asia/Vientiane',
'Asia/Vladivostok',
'Asia/Yakutsk',
'Asia/Yangon',
'Asia/Yekaterinburg',
'Asia/Yerevan',
'Atlantic/Azores',
'Atlantic/Bermuda',
'Atlantic/Canary',
'Atlantic/Cape_Verde',
'Atlantic/Faroe',
'Atlantic/Madeira',
'Atlantic/Reykjavik',
'Atlantic/South_Georgia',
'Atlantic/St_Helena',
'Atlantic/Stanley',
'Australia/Adelaide',
'Australia/Brisbane',
'Australia/Broken_Hill',
'Australia/Currie',
'Australia/Darwin',
'Australia/Eucla',
'Australia/Hobart',
'Australia/Lindeman',
'Australia/Lord_Howe',
'Australia/Melbourne',
'Australia/Perth',
'Australia/Sydney',
'Canada/Atlantic',
'Canada/Central',
'Canada/Eastern',
'Canada/Mountain',
'Canada/Newfoundland',
'Canada/Pacific',
'Europe/Amsterdam',
'Europe/Andorra',
'Europe/Astrakhan',
'Europe/Athens',
'Europe/Belgrade',
'Europe/Berlin',
'Europe/Bratislava',
'Europe/Brussels',
'Europe/Bucharest',
'Europe/Budapest',
'Europe/Busingen',
'Europe/Chisinau',
'Europe/Copenhagen',
'Europe/Dublin',
'Europe/Gibraltar',
'Europe/Guernsey',
'Europe/Helsinki',
'Europe/Isle_of_Man',
'Europe/Istanbul',
'Europe/Jersey',
'Europe/Kaliningrad',
'Europe/Kiev',
'Europe/Kirov',
'Europe/Lisbon',
'Europe/Ljubljana',
'Europe/London',
'Europe/Luxembourg',
'Europe/Madrid',
'Europe/Malta',
'Europe/Mariehamn',
'Europe/Minsk',
'Europe/Monaco',
'Europe/Moscow',
'Europe/Oslo',
'Europe/Paris',
'Europe/Podgorica',
'Europe/Prague',
'Europe/Riga',
'Europe/Rome',
'Europe/Samara',
'Europe/San_Marino',
'Europe/Sarajevo',
'Europe/Saratov',
'Europe/Simferopol',
'Europe/Skopje',
'Europe/Sofia',
'Europe/Stockholm',
'Europe/Tallinn',
'Europe/Tirane',
'Europe/Ulyanovsk',
'Europe/Uzhgorod',
'Europe/Vaduz',
'Europe/Vatican',
'Europe/Vienna',
'Europe/Vilnius',
'Europe/Volgograd',
'Europe/Warsaw',
'Europe/Zagreb',
'Europe/Zaporozhye',
'Europe/Zurich',
'GMT',
'Indian/Antananarivo',
'Indian/Chagos',
'Indian/Christmas',
'Indian/Cocos',
'Indian/Comoro',
'Indian/Kerguelen',
'Indian/Mahe',
'Indian/Maldives',
'Indian/Mauritius',
'Indian/Mayotte',
'Indian/Reunion',
'Pacific/Apia',
'Pacific/Auckland',
'Pacific/Bougainville',
'Pacific/Chatham',
'Pacific/Chuuk',
'Pacific/Easter',
'Pacific/Efate',
'Pacific/Enderbury',
'Pacific/Fakaofo',
'Pacific/Fiji',
'Pacific/Funafuti',
'Pacific/Galapagos',
'Pacific/Gambier',
'Pacific/Guadalcanal',
'Pacific/Guam',
'Pacific/Honolulu',
'Pacific/Kiritimati',
'Pacific/Kosrae',
'Pacific/Kwajalein',
'Pacific/Majuro',
'Pacific/Marquesas',
'Pacific/Midway',
'Pacific/Nauru',
'Pacific/Niue',
'Pacific/Norfolk',
'Pacific/Noumea',
'Pacific/Pago_Pago',
'Pacific/Palau',
'Pacific/Pitcairn',
'Pacific/Pohnpei',
'Pacific/Port_Moresby',
'Pacific/Rarotonga',
'Pacific/Saipan',
'Pacific/Tahiti',
'Pacific/Tarawa',
'Pacific/Tongatapu',
'Pacific/Wake',
'Pacific/Wallis',
'US/Alaska',
'US/Arizona',
'US/Central',
'US/Eastern',
'US/Hawaii',
'US/Mountain',
'US/Pacific',
'UTC']
common_timezones = LazyList(
tz for tz in common_timezones if tz in all_timezones)
common_timezones_set = LazySet(common_timezones)