mirror of
https://github.com/SickGear/SickGear.git
synced 2024-12-24 03:33:38 +00:00
114 lines
4.4 KiB
Python
114 lines
4.4 KiB
Python
# Copyright 2010-2020 Kurt McKee <contactme@kurtmckee.org>
|
|
# Copyright 2002-2008 Mark Pilgrim
|
|
# All rights reserved.
|
|
#
|
|
# This file is a part of feedparser.
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright notice,
|
|
# this list of conditions and the following disclaimer.
|
|
# * Redistributions in binary form must reproduce the above copyright notice,
|
|
# this list of conditions and the following disclaimer in the documentation
|
|
# and/or other materials provided with the distribution.
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS'
|
|
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
# POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
import datetime
|
|
|
|
timezonenames = {
|
|
'ut': 0, 'gmt': 0, 'z': 0,
|
|
'adt': -3, 'ast': -4, 'at': -4,
|
|
'edt': -4, 'est': -5, 'et': -5,
|
|
'cdt': -5, 'cst': -6, 'ct': -6,
|
|
'mdt': -6, 'mst': -7, 'mt': -7,
|
|
'pdt': -7, 'pst': -8, 'pt': -8,
|
|
'a': -1, 'n': 1,
|
|
'm': -12, 'y': 12,
|
|
}
|
|
# W3 date and time format parser
|
|
# http://www.w3.org/TR/NOTE-datetime
|
|
# Also supports MSSQL-style datetimes as defined at:
|
|
# http://msdn.microsoft.com/en-us/library/ms186724.aspx
|
|
# (basically, allow a space as a date/time/timezone separator)
|
|
|
|
|
|
def _parse_date_w3dtf(datestr):
|
|
if not datestr.strip():
|
|
return None
|
|
parts = datestr.lower().split('t')
|
|
if len(parts) == 1:
|
|
# This may be a date only, or may be an MSSQL-style date
|
|
parts = parts[0].split()
|
|
if len(parts) == 1:
|
|
# Treat this as a date only
|
|
parts.append('00:00:00z')
|
|
elif len(parts) > 2:
|
|
return None
|
|
date = parts[0].split('-', 2)
|
|
if not date or len(date[0]) != 4:
|
|
return None
|
|
# Ensure that `date` has 3 elements. Using '1' sets the default
|
|
# month to January and the default day to the 1st of the month.
|
|
date.extend(['1'] * (3 - len(date)))
|
|
try:
|
|
year, month, day = [int(i) for i in date]
|
|
except ValueError:
|
|
# `date` may have more than 3 elements or may contain
|
|
# non-integer strings.
|
|
return None
|
|
if parts[1].endswith('z'):
|
|
parts[1] = parts[1][:-1]
|
|
parts.append('z')
|
|
# Append the numeric timezone offset, if any, to parts.
|
|
# If this is an MSSQL-style date then parts[2] already contains
|
|
# the timezone information, so `append()` will not affect it.
|
|
# Add 1 to each value so that if `find()` returns -1 it will be
|
|
# treated as False.
|
|
loc = parts[1].find('-') + 1 or parts[1].find('+') + 1 or len(parts[1]) + 1
|
|
loc = loc - 1
|
|
parts.append(parts[1][loc:])
|
|
parts[1] = parts[1][:loc]
|
|
time = parts[1].split(':', 2)
|
|
# Ensure that time has 3 elements. Using '0' means that the
|
|
# minutes and seconds, if missing, will default to 0.
|
|
time.extend(['0'] * (3 - len(time)))
|
|
if parts[2][:1] in ('-', '+'):
|
|
try:
|
|
tzhour = int(parts[2][1:3])
|
|
tzmin = int(parts[2][4:])
|
|
except ValueError:
|
|
return None
|
|
if parts[2].startswith('-'):
|
|
tzhour = tzhour * -1
|
|
tzmin = tzmin * -1
|
|
else:
|
|
tzhour = timezonenames.get(parts[2], 0)
|
|
tzmin = 0
|
|
try:
|
|
hour, minute, second = [int(float(i)) for i in time]
|
|
except ValueError:
|
|
return None
|
|
# Create the datetime object and timezone delta objects
|
|
try:
|
|
stamp = datetime.datetime(year, month, day, hour, minute, second)
|
|
except ValueError:
|
|
return None
|
|
delta = datetime.timedelta(0, 0, 0, 0, tzmin, tzhour)
|
|
# Return the date and timestamp in a UTC 9-tuple
|
|
try:
|
|
return (stamp - delta).utctimetuple()
|
|
except (OverflowError, ValueError):
|
|
# IronPython throws ValueErrors instead of OverflowErrors
|
|
return None
|