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8b26b675ba
Python 3.9 introduced the zoneinfo module, which provides the only feature we used pytz for (getting a datetime.tzinfo object from an IANA timezone id); so let's use it instead of a third-party dependency.
236 lines
9.1 KiB
Python
236 lines
9.1 KiB
Python
###
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# Copyright (c) 2004, Jeremiah Fincher
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# Copyright (c) 2010-2021, Valentin Lorentz
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions, and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions, and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the author of this software nor the name of
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# contributors to this software may be used to endorse or promote products
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# derived from this software without specific prior written consent.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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###
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import sys
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import time
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TIME = time # For later use.
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from datetime import datetime
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import supybot.conf as conf
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import supybot.log as log
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import supybot.utils as utils
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from supybot.commands import *
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import supybot.callbacks as callbacks
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from supybot.i18n import PluginInternationalization, internationalizeDocstring
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_ = PluginInternationalization('Time')
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try:
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from ddate.base import DDate as _ddate
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except ImportError:
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log.debug("Time: the ddate module is not available; disabling that command.")
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_ddate = None
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try:
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from dateutil import parser
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def parse(s):
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todo = []
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s = s.replace('noon', '12:00')
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s = s.replace('midnight', '00:00')
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if 'tomorrow' in s:
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todo.append(lambda i: i + 86400)
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s = s.replace('tomorrow', '')
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if 'next week' in s:
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todo.append(lambda i: i + 86400*7)
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s = s.replace('next week', '')
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i = int(time.mktime(parser.parse(s, fuzzy=True).timetuple()))
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for f in todo:
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i = f(i)
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return i
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except ImportError:
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parse = None
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try:
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from dateutil.tz import tzlocal
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except ImportError:
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tzlocal = None
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class Time(callbacks.Plugin):
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"""This plugin allows you to use different time-related functions."""
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@internationalizeDocstring
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def seconds(self, irc, msg, args):
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"""[<years>y] [<weeks>w] [<days>d] [<hours>h] [<minutes>m] [<seconds>s]
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Returns the number of seconds in the number of <years>, <weeks>,
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<days>, <hours>, <minutes>, and <seconds> given. An example usage is
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"seconds 2h 30m", which would return 9000, which is '3600*2 + 30*60'.
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Useful for scheduling events at a given number of seconds in the
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future.
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"""
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if not args:
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raise callbacks.ArgumentError
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seconds = 0
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for arg in args:
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if not arg or arg[-1] not in 'ywdhms':
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raise callbacks.ArgumentError
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(s, kind) = arg[:-1], arg[-1]
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try:
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i = int(s)
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except ValueError:
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irc.errorInvalid('argument', arg, Raise=True)
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if kind == 'y':
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seconds += i*31536000
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elif kind == 'w':
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seconds += i*604800
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elif kind == 'd':
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seconds += i*86400
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elif kind == 'h':
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seconds += i*3600
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elif kind == 'm':
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seconds += i*60
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elif kind == 's':
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seconds += i
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irc.reply(str(seconds))
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@internationalizeDocstring
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def at(self, irc, msg, args, s=None):
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"""[<time string>]
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Returns the number of seconds since epoch <time string> is.
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<time string> can be any number of natural formats; just try something
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and see if it will work.
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If the <time string> is not given, defaults to now.
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"""
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if not s or s == 'now':
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irc.reply(str(int(time.time())))
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return
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if not parse:
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irc.error(_('This command is not available on this bot, ask the '
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'owner to install the python-dateutil library.'), Raise=True)
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now = int(time.time())
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new = parse(s)
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if new != now:
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irc.reply(str(new))
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else:
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irc.error(_('That\'s right now!'))
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at = wrap(at, [optional('text')])
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@internationalizeDocstring
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def until(self, irc, msg, args, s):
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"""<time string>
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Returns the number of seconds until <time string>.
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"""
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if not parse:
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irc.error(_('This command is not available on this bot, ask the '
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'owner to install the python-dateutil library.'), Raise=True)
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now = int(time.time())
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new = parse(s)
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if new != now:
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if new - now < 0:
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new += 86400
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irc.reply(str(new-now))
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else:
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irc.error(_('That\'s right now!'))
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until = wrap(until, ['text'])
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@internationalizeDocstring
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def ctime(self, irc, msg, args, seconds):
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"""[<seconds since epoch>]
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Returns the ctime for <seconds since epoch>, or the current ctime if
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no <seconds since epoch> is given.
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"""
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irc.reply(time.ctime(seconds))
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ctime = wrap(ctime,[additional(('int', _('number of seconds since epoch')),
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TIME.time)])
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@internationalizeDocstring
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def time(self, irc, msg, args, channel, format, seconds):
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"""[<channel>] [<format>] [<seconds since epoch>]
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Returns the current time in <format> format, or, if <format> is not
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given, uses the configurable format for the current channel. If no
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<seconds since epoch> time is given, the current time is used. If
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<channel> is given without <format>, uses the format for <channel>.
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"""
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if not format:
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format = self.registryValue('format', channel or msg.channel,
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irc.network)
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if tzlocal:
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irc.reply(datetime.fromtimestamp(seconds, tzlocal()).strftime(format))
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else:
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# NOTE: This has erroneous behavior on some older Python versions,
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# including at least up to 2.7.5 and 3.2.3. Install dateutil if you
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# can't upgrade Python.
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irc.reply(time.strftime(format, time.localtime(seconds)))
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time = wrap(time, [optional('channel'), optional('nonInt'),
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additional('float', TIME.time)])
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@internationalizeDocstring
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def elapsed(self, irc, msg, args, seconds):
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"""<seconds>
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Returns a pretty string that is the amount of time represented by
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<seconds>.
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"""
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irc.reply(utils.timeElapsed(seconds))
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elapsed = wrap(elapsed, ['int'])
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@internationalizeDocstring
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def tztime(self, irc, msg, args, timezone):
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"""<region>/<city> (or <region>/<state>/<city>)
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Takes a city and its region, and returns its local time. This
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command uses the IANA Time Zone Database."""
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try:
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timezone = utils.time.iana_timezone(timezone)
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except utils.time.UnknownTimeZone:
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irc.error(_('Unknown timezone'))
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except utils.time.MissingTimezoneLibrary:
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irc.error(_('Python-tz is required by the command, but is not '
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'installed on this computer.'))
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except utils.time.UnknownTimeZone as e:
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irc.error(e.args[0])
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else:
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format = self.registryValue("format", msg.channel, irc.network)
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irc.reply(datetime.now(timezone).strftime(format))
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tztime = wrap(tztime, ['text'])
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def ddate(self, irc, msg, args, year=None, month=None, day=None):
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"""[<year> <month> <day>]
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Returns a the Discordian date today, or an optional different date."""
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if _ddate is not None:
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if year is not None and month is not None and day is not None:
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try:
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irc.reply(_ddate(datetime(year=year, month=month, day=day)))
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except ValueError as e:
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irc.error("%s", e)
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else:
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irc.reply(_ddate())
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else:
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irc.error(format(_("The 'ddate' module is not installed. Use "
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"'%s -m pip install --user ddate' or see "
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"%u for more information."), sys.executable,
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"https://pypi.python.org/pypi/ddate/"))
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ddate = wrap(ddate, [optional('positiveint'), optional('positiveint'), optional('positiveint')])
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Class = Time
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# vim:set shiftwidth=4 softtabstop=4 expandtab textwidth=79:
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