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89 lines
3.1 KiB
Python
89 lines
3.1 KiB
Python
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#!/usr/bin/env python
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###
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# Copyright (c) 2002, Jeremiah Fincher
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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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from fix import *
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import time
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import bisect
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import drivers
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class Schedule(drivers.IrcDriver):
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def __init__(self):
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drivers.IrcDriver.__init__(self)
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self.schedule = []
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self.events = {}
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self.counter = 0
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def addEvent(self, f, t, name=None):
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if name is None:
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name = self.counter
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self.counter += 1
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elif type(name) == int:
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raise ValueError, 'int names are reserved for the scheduler.'
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#debug.printf('Added event to schedule: %s' % name)
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assert name not in self.events
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self.events[name] = f
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bisect.insort(self.schedule, (t, name))
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def removeEvent(self, name):
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del self.events[name]
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self.schedule = [(t, n) for (t, n) in self.schedule if n != name]
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def addPeriodicEvent(self, f, t, name=None):
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# Note that you can't name a periodic event -- it'll be erased after
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# it's been run only once.
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def wrapper():
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f()
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self.addEvent(wrapper, time.time() + t, name)
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wrapper()
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removePeriodicEvent = removeEvent
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def run(self):
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#debug.printf(`(time.time(), self.schedule)`)
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while self.schedule and self.schedule[0][0] < time.time():
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(t, name) = self.schedule.pop(0)
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self.events[name]()
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del self.events[name]
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try:
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ignore(schedule)
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except NameError:
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schedule = Schedule()
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addEvent = schedule.addEvent
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removeEvent = schedule.removeEvent
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addPeriodicEvent = schedule.addPeriodicEvent
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removePeriodicEvent = removeEvent
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run = schedule.run
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