mirror of
https://github.com/Mikaela/Limnoria.git
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193 lines
7.1 KiB
Python
193 lines
7.1 KiB
Python
###
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# Copyright (c) 2004, 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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"""
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Messages a list of targets when new lines are added to any of a list of files,
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much like "tail -f" does on UNIX.
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"""
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import supybot
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__revision__ = "$Id$"
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__author__ = supybot.authors.jemfinch
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import supybot.plugins as plugins
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import os
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import getopt
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import supybot.conf as conf
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import supybot.utils as utils
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import supybot.ircutils as ircutils
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import supybot.privmsgs as privmsgs
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import supybot.registry as registry
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import supybot.schedule as schedule
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import supybot.callbacks as callbacks
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import supybot.plugins.LogToIrc as LogToIrc
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def configure(advanced):
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# This will be called by setup.py to configure this module. Advanced is
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# a bool that specifies whether the user identified himself as an advanced
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# user or not. You should effect your configuration by manipulating the
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# registry as appropriate.
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from supybot.questions import expect, anything, something, yn
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conf.registerPlugin('Tail', True)
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conf.registerPlugin('Tail')
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conf.registerGlobalValue(conf.supybot.plugins.Tail, 'targets',
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LogToIrc.Targets([], """Determines what targets will be messaged with lines
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from the files being tailed."""))
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conf.registerGlobalValue(conf.supybot.plugins.Tail, 'bold',
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registry.Boolean(False, """Determines whether the bot will bold the filename
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in tail lines announced to the channel."""))
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conf.registerGlobalValue(conf.supybot.plugins.Tail, 'files',
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registry.SpaceSeparatedSetOfStrings([], """Determines what files the bot
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will tail to its targets."""))
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conf.registerGlobalValue(conf.supybot.plugins.Tail, 'notice',
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registry.Boolean(False, """Determines whether the bot will send its tail
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messages to the targets via NOTICEs rather than PRIVMSGs."""))
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conf.registerGlobalValue(conf.supybot.plugins.Tail, 'period',
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registry.PositiveInteger(60, """Determines how often the bot will check
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the files that are being tailed. The number is in seconds. This plugin
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must be reloaded for changes to this period to take effect."""))
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class Tail(privmsgs.CapabilityCheckingPrivmsg):
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capability = 'owner'
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def __init__(self):
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privmsgs.CapabilityCheckingPrivmsg.__init__(self)
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self.files = {}
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period = self.registryValue('period')
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schedule.addPeriodicEvent(self._checkFiles, period, name=self.name())
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for filename in self.registryValue('files'):
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self._add(filename)
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def die(self):
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schedule.removeEvent(self.name())
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for fd in self.files.values():
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fd.close()
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def __call__(self, irc, msg):
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irc = callbacks.SimpleProxy(irc, msg)
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self.lastIrc = irc
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self.lastMsg = msg
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def _checkFiles(self):
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self.log.debug('Checking files.')
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for filename in self.registryValue('files'):
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self._checkFile(filename)
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def _checkFile(self, filename):
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fd = self.files[filename]
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pos = fd.tell()
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line = fd.readline()
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while line:
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line = line.strip()
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if line:
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self._send(self.lastIrc, filename, line)
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pos = fd.tell()
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line = fd.readline()
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fd.seek(pos)
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def _add(self, filename):
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try:
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fd = file(filename)
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except EnvironmentError, e:
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self.log.warning('Couldn\'t open %s: %s', filename, e)
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raise
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fd.seek(0, 2) # 0 bytes, offset from the end of the file.
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self.files[filename] = fd
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self.registryValue('files').add(filename)
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def _remove(self, filename):
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fd = self.files.pop(filename)
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fd.close()
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self.registryValue('files').remove(filename)
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def _send(self, irc, filename, text):
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if self.registryValue('bold'):
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filename = ircutils.bold(filename)
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notice = self.registryValue('notice')
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payload = '%s: %s' % (filename, text)
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for target in self.registryValue('targets'):
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irc.reply(payload, to=target, notice=notice, private=True)
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def add(self, irc, msg, args):
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"""<filename>
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Basically does the equivalent of tail -f to the targets.
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"""
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filename = privmsgs.getArgs(args)
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try:
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self._add(filename)
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except EnvironmentError, e:
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irc.error(utils.exnTostring(e))
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return
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irc.replySuccess()
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def remove(self, irc, msg, args):
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"""<filename>
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Stops announcing the lines appended to <filename>.
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"""
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filename = privmsgs.getArgs(args)
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try:
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self._remove(filename)
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irc.replySuccess()
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except KeyError:
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irc.error('I\'m not currently announcing %s.' % filename)
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def target(self, irc, msg, args):
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"""[--remove] [<target> ...]
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If given no arguments, returns the current list of targets for this
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plugin. If given any number of targets, will add these targets to
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the current list of targets. If given --remove and any number of
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targets, will remove those targets from the current list of targets.
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"""
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(optlist, args) = getopt.getopt(args, '', ['remove'])
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remove = False
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for (option, arg) in optlist:
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if option == '--remove':
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remove = True
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if not args:
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L = self.registryValue('targets')
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if L:
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utils.sortBy(ircutils.toLower, L)
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irc.reply(utils.commaAndify(L))
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else:
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irc.reply('I\'m not currently targeting anywhere.')
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elif remove:
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pass #XXX
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Class = Tail
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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