mirror of
https://github.com/SickGear/SickGear.git
synced 2024-11-24 22:05:05 +00:00
304 lines
11 KiB
Python
304 lines
11 KiB
Python
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#
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# This file is part of SickGear.
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#
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# SickGear is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# SickGear is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with SickGear. If not, see <http://www.gnu.org/licenses/>.
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import datetime
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import functools
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import locale
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import re
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import sys
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import sickgear
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from dateutil import tz
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from six import integer_types, PY2, string_types
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# noinspection PyUnreachableCode
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if False:
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from typing import Callable, Optional, Union
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date_presets = ('%Y-%m-%d',
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'%a, %Y-%m-%d',
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'%A, %Y-%m-%d',
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'%y-%m-%d',
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'%a, %y-%m-%d',
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'%A, %y-%m-%d',
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'%m/%d/%Y',
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'%a, %m/%d/%Y',
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'%A, %m/%d/%Y',
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'%m/%d/%y',
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'%a, %m/%d/%y',
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'%A, %m/%d/%y',
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'%m-%d-%Y',
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'%a, %m-%d-%Y',
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'%A, %m-%d-%Y',
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'%m-%d-%y',
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'%a, %m-%d-%y',
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'%A, %m-%d-%y',
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'%m.%d.%Y',
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'%a, %m.%d.%Y',
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'%A, %m.%d.%Y',
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'%m.%d.%y',
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'%a, %m.%d.%y',
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'%A, %m.%d.%y',
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'%d-%m-%Y',
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'%a, %d-%m-%Y',
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'%A, %d-%m-%Y',
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'%d-%m-%y',
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'%a, %d-%m-%y',
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'%A, %d-%m-%y',
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'%d/%m/%Y',
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'%a, %d/%m/%Y',
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'%A, %d/%m/%Y',
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'%d/%m/%y',
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'%a, %d/%m/%y',
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'%A, %d/%m/%y',
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'%d.%m.%Y',
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'%a, %d.%m.%Y',
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'%A, %d.%m.%Y',
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'%d.%m.%y',
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'%a, %d.%m.%y',
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'%A, %d.%m.%y',
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'%d. %b %Y',
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'%a, %d. %b %Y',
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'%A, %d. %b %Y',
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'%d. %b %y',
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'%a, %d. %b %y',
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'%A, %d. %b %y',
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'%d. %B %Y',
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'%a, %d. %B %Y',
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'%A, %d. %B %Y',
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'%d. %B %y',
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'%a, %d. %B %y',
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'%A, %d. %B %y',
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'%b %d, %Y',
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'%a, %b %d, %Y',
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'%A, %b %d, %Y',
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'%B %d, %Y',
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'%a, %B %d, %Y',
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'%A, %B %d, %Y')
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time_presets = ('%I:%M:%S %p',
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'%I:%M:%S %P',
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'%H:%M:%S')
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is_win = 'win32' == sys.platform
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# helper decorator class
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# noinspection PyPep8Naming
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class static_or_instance(object):
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def __init__(self, func):
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self.func = func
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def __get__(self, instance, owner):
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return functools.partial(self.func, instance)
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# subclass datetime.datetime to add function to display custom date and time formats
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class SGDatetime(datetime.datetime):
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has_locale = True
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@static_or_instance
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def is_locale_eng(self):
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today = SGDatetime.sbfdate(SGDatetime.now(), '%A').lower()
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return ('day' == today[-3::] and today[0:-3:] in ['sun', 'mon', 'tues', 'wednes', 'thurs', 'fri', 'satur']
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and SGDatetime.sbfdate(SGDatetime.now(), '%B').lower() in [
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'january', 'february', 'march', 'april', 'may', 'june',
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'july', 'august', 'september', 'october', 'november', 'december'])
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@static_or_instance
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def convert_to_setting(self, dt=None, force_local=False):
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# type: (Optional[datetime.datetime, SGDatetime], bool) -> Union[SGDatetime, datetime.datetime]
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obj = (dt, self)[self is not None] # type: datetime.datetime
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try:
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if force_local or 'local' == sickgear.TIMEZONE_DISPLAY:
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from sickgear.network_timezones import SG_TIMEZONE
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return obj.astimezone(SG_TIMEZONE)
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except (BaseException, Exception):
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pass
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return obj
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@static_or_instance
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def setlocale(self, setlocale=True, use_has_locale=None, locale_str=''):
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if setlocale:
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try:
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if None is use_has_locale or use_has_locale:
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locale.setlocale(locale.LC_TIME, locale_str)
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except locale.Error:
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if None is not use_has_locale:
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SGDatetime.has_locale = False
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pass
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# display Time in SickGear Format
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@static_or_instance
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def sbftime(self, dt=None, show_seconds=False, t_preset=None, setlocale=True, markup=False):
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SGDatetime.setlocale(setlocale=setlocale, use_has_locale=SGDatetime.has_locale, locale_str='us_US')
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strt = ''
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obj = (dt, self)[self is not None] # type: datetime.datetime
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if None is not obj:
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tmpl = (((sickgear.TIME_PRESET, sickgear.TIME_PRESET_W_SECONDS)[show_seconds]),
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t_preset)[None is not t_preset]
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tmpl = (tmpl.replace(':%S', ''), tmpl)[show_seconds]
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strt = SGDatetime.sbstrftime(obj, tmpl.replace('%P', '%p'))
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if sickgear.TRIM_ZERO:
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strt = re.sub(r'^0(\d:\d\d)', r'\1', strt)
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if re.search(r'(?im)%p$', tmpl):
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if '%p' in tmpl:
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strt = strt.upper()
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elif '%P' in tmpl:
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strt = strt.lower()
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if sickgear.TRIM_ZERO:
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strt = re.sub(r'(?im)^(\d+)(?::00)?(\s?[ap]m)', r'\1\2', strt)
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if markup:
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match = re.search(r'(?im)(\d{1,2})(?:(.)(\d\d)(?:(.)(\d\d))?)?(?:\s?([ap]m))?$', strt)
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if match:
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strt = ('%s%s%s%s%s%s' % (
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('<span class="time-hr">%s</span>' % match.group(1), '')[None is match.group(1)],
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('<span class="time-hr-min">%s</span>' % match.group(2), '')[None is match.group(2)],
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('<span class="time-min">%s</span>' % match.group(3), '')[None is match.group(3)],
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('<span class="time-min-sec">%s</span>' % match.group(4), '')[None is match.group(4)],
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('<span class="time-sec">%s</span>' % match.group(5), '')[None is match.group(5)],
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('<span class="time-am-pm">%s</span>' % match.group(6), '')[None is match.group(6)]))
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SGDatetime.setlocale(setlocale=setlocale, use_has_locale=SGDatetime.has_locale)
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return strt
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# display Date in SickGear Format
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@static_or_instance
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def sbfdate(self, dt=None, d_preset=None, setlocale=True):
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SGDatetime.setlocale(setlocale=setlocale)
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strd = ''
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try:
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obj = (dt, self)[self is not None] # type: datetime.datetime
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if None is not obj:
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strd = SGDatetime.sbstrftime(obj, (sickgear.DATE_PRESET, d_preset)[None is not d_preset])
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finally:
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SGDatetime.setlocale(setlocale=setlocale)
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return strd
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# display Datetime in SickGear Format
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@static_or_instance
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def sbfdatetime(self, dt=None, show_seconds=False, d_preset=None, t_preset=None, markup=False):
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SGDatetime.setlocale()
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strd = ''
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obj = (dt, self)[self is not None] # type: datetime.datetime
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try:
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if None is not obj:
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strd = u'%s, %s' % (
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SGDatetime.sbstrftime(obj, (sickgear.DATE_PRESET, d_preset)[None is not d_preset]),
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SGDatetime.sbftime(dt, show_seconds, t_preset, False, markup))
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finally:
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SGDatetime.setlocale(use_has_locale=SGDatetime.has_locale)
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return strd
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@staticmethod
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def sbstrftime(obj, str_format):
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try:
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result = obj.strftime(str_format),
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except ValueError:
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result = obj.replace(tzinfo=None).strftime(str_format)
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return result if isinstance(result, string_types) else \
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isinstance(result, tuple) and 1 == len(result) and '%s' % result[0] or ''
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@static_or_instance
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def to_file_timestamp(self, dt=None):
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# type: (Optional[SGDatetime, datetime.datetime]) -> Union[float, integer_types]
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"""
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convert datetime to filetime
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special handling for windows filetime issues
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for pre Windows 7 this can result in an exception for pre 1970 dates
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"""
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obj = (dt, self)[self is not None] # type: datetime.datetime
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if is_win:
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from .network_timezones import EPOCH_START_WIN
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return (obj.replace(tzinfo=tz.tzwinlocal()) - EPOCH_START_WIN).total_seconds()
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return SGDatetime.timestamp_far(obj)
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@staticmethod
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def from_timestamp(ts, local_time=True, tz_aware=False, tzinfo=None):
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# type: (Union[float, integer_types], bool, bool, datetime.tzinfo) -> datetime.datetime
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"""
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convert timestamp to datetime.datetime obj
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:param ts: timestamp integer, float
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:param local_time: return as local timezone (SG_TIMEZONE)
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:param tz_aware: return tz aware datetime
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:param tzinfo: tzinfo to be used
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"""
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from .network_timezones import EPOCH_START, SG_TIMEZONE
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result = EPOCH_START + datetime.timedelta(seconds=ts)
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if local_time and SG_TIMEZONE:
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result = result.astimezone(SG_TIMEZONE)
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if isinstance(tzinfo, datetime.tzinfo):
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result = result.astimezone(tzinfo)
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if not tz_aware:
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return result.replace(tzinfo=None)
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return result
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@static_or_instance
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def timestamp_far(self,
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dt=None, # type: Optional[SGDatetime, datetime.datetime]
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default=None # type: Optional[float, integer_types]
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):
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# type: (...) -> Union[float, integer_types, None]
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"""
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Use `timestamp_far` for a timezone aware UTC timestamp in far future or far past
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"""
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obj = (dt, self)[self is not None] # type: datetime.datetime
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if isinstance(obj, datetime.datetime) and not isinstance(getattr(obj, 'tzinfo', None), datetime.tzinfo):
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from sickgear.network_timezones import SG_TIMEZONE
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obj = obj.replace(tzinfo=SG_TIMEZONE)
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from .network_timezones import EPOCH_START
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timestamp = default
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try:
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timestamp = (obj - EPOCH_START).total_seconds()
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finally:
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return (default, timestamp)[isinstance(timestamp, (float, integer_types))]
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if PY2:
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"""
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Use `timestamp_near` for a timezone aware UTC timestamp in the near future or recent past.
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Under py3, using the faster variable assigned cpython callable, so py2 is set up to mimic the signature types.
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Note: the py3 callable is limited to datetime.datetime and does not work with datetime.date.
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"""
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def _py2timestamp(dt=None):
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# type: (datetime.datetime) -> float
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try:
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import time
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return int(time.mktime(dt.timetuple()))
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except (BaseException, Exception):
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return 0
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timestamp_near = _py2timestamp # type: Callable[[datetime.datetime], float]
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else:
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# py3 native timestamp uses milliseconds
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timestamp_near = datetime.datetime.timestamp # type: Callable[[datetime.datetime], float]
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