Limnoria/plugins/Scheduler.py

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#!/usr/bin/python
###
# Copyright (c) 2002, Jeremiah Fincher
# All rights reserved.
#
# 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.
# * Neither the name of the author of this software nor the name of
# contributors to this software may be used to endorse or promote products
# derived from this software without specific prior written consent.
#
# 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.
###
"""
Gives the user the ability to schedule commands to run at a particular time,
or repeatedly run at a particular interval.
"""
import plugins
import time
import conf
import utils
import privmsgs
import schedule
import callbacks
def configure(onStart, afterConnect, advanced):
# This will be called by setup.py to configure this module. onStart and
# afterConnect are both lists. Append to onStart the commands you would
# like to be run when the bot is started; append to afterConnect the
# commands you would like to be run when the bot has finished connecting.
from questions import expect, anything, something, yn
onStart.append('load Scheduler')
class Scheduler(callbacks.Privmsg):
def _makeCommandFunction(self, irc, msg, command):
"""Makes a function suitable for scheduling from command."""
tokens = callbacks.tokenize(command)
Owner = irc.getCallback('Owner')
ambiguous = Owner.disambiguate(irc, tokens)
if ambiguous:
raise callbacks.Error, callbacks.ambiguousReply(ambiguous)
def f():
self.Proxy(irc.irc, msg, tokens)
return f
def add(self, irc, msg, args):
"""<seconds> <command>
Schedules the command string <command> to run <seconds> seconds in the
future. For example, 'schedule add [seconds 30m] "echo [cpu]"' will
schedule the command "cpu" to be sent to the channel the schedule add
command was given in (with no prefixed nick, a consequence of using
echo).
"""
(seconds, command) = privmsgs.getArgs(args, required=2)
try:
seconds = int(seconds)
except ValueError:
irc.error(msg, 'Invalid seconds value: %r' % seconds)
return
f = self._makeCommandFunction(irc, msg, command)
id = schedule.addEvent(f, time.time() + seconds)
irc.reply(msg, '%s Event #%s added.' % (conf.replySuccess, id))
def remove(self, irc, msg, args):
"""<id>
Removes the event scheduled with id <id> from the schedule.
"""
id = privmsgs.getArgs(args)
try:
id = int(id)
except ValueError:
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pass
try:
schedule.removeEvent(id)
irc.replySuccess(msg)
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except KeyError:
irc.error(msg, 'Invalid event id.')
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def repeat(self, irc, msg, args):
"""<name> <seconds> <command>
Schedules the command <command> to run every <seconds> seconds,
starting now (i.e., the command runs now, and every <seconds> seconds
thereafter). <name> is a name by which the command can be
unscheduled.
"""
(name, seconds, command) = privmsgs.getArgs(args, required=3)
try:
seconds = int(seconds)
except ValueError:
irc.error(msg, 'Invalid seconds: %r' % seconds)
return
f = self._makeCommandFunction(irc, msg, command)
id = schedule.addPeriodicEvent(f, seconds, name)
# We don't reply because the command runs immediately.
# irc.replySuccess(msg)
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Class = Scheduler
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: