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287 lines
12 KiB
Python
287 lines
12 KiB
Python
#!/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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"""
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This is a module to contain Debian-specific commands.
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"""
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__revision__ = "$Id$"
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import plugins
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import re
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import gzip
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import sets
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import getopt
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import popen2
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import socket
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import urllib
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import fnmatch
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import os.path
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from itertools import imap, ifilter
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import registry
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import conf
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import utils
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import privmsgs
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import webutils
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import callbacks
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def configure(advanced):
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# This will be called by setup.py to configure this module. onStart and
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# afterConnect are both lists. Append to onStart the commands you would
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# like to be run when the bot is started; append to afterConnect the
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# commands you would like to be run when the bot has finished connecting.
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from questions import expect, anything, something, yn
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conf.registerPlugin('Debian', True)
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if not utils.findBinaryInPath('zegrep'):
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if not advanced:
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print 'I can\'t find zegrep in your path. This is necessary '
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print 'to run the file command. I\'ll disable this command '
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print 'now. When you get zegrep in your path, use the command '
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print '"enable file" to re-enable the command.'
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onStart.append('disable file')
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else:
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print 'I can\'t find zegrep in your path. If you want to run the '
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print 'file command with any sort of expediency, you\'ll need '
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print 'it. You can use a python equivalent, but it\'s about two '
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print 'orders of magnitude slower. THIS MEANS IT WILL TAKE AGES '
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print 'TO RUN THIS COMMAND. Don\'t do this.'
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if yn('Do you want to use a Python equivalent of zegrep?') == 'y':
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conf.supybot.plugins.Debian.pythonZegrep.setValue(True)
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else:
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print 'I\'ll disable file now.'
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onStart.append('disable file')
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conf.registerPlugin('Debian')
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conf.registerGlobalValue(conf.supybot.plugins.Debian, 'pythonZegrep',
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registry.Boolean(False, """An advanced option, mostly just for testing;
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uses a Python-coded zegrep rather than the actual zegrep executable,
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generally resulting in a 50x slowdown. What would take 2 seconds will
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take 100 with this enabled. Don't enable this."""))
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class Debian(callbacks.Privmsg,
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plugins.PeriodicFileDownloader):
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threaded = True
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periodicFiles = {
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# This file is only updated once a week, so there's no sense in
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# downloading a new one every day.
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'Contents-i386.gz': ('ftp://ftp.us.debian.org/'
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'debian/dists/unstable/Contents-i386.gz',
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604800, None)
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}
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contents = os.path.join(conf.supybot.directories.data(),'Contents-i386.gz')
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def __init__(self):
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callbacks.Privmsg.__init__(self)
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plugins.PeriodicFileDownloader.__init__(self)
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def die(self):
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callbacks.Privmsg.die(self)
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def file(self, irc, msg, args):
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"""[--{regexp,exact}=<value>] [<glob>]
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Returns packages in Debian that includes files matching <glob>. If
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--regexp is given, returns packages that include files matching the
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given regexp. If --exact is given, returns packages that include files
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matching exactly the string given.
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"""
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self.getFile('Contents-i386.gz')
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# Make sure it's anchored, make sure it doesn't have a leading slash
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# (the filenames don't have leading slashes, and people may not know
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# that).
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(optlist, rest) = getopt.getopt(args, '', ['regexp=', 'exact='])
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if not optlist and not rest:
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raise callbacks.ArgumentError
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if len(optlist) + len(rest) > 1:
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irc.error('Only one search option is allowed.')
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return
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for (option, arg) in optlist:
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if option == '--exact':
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regexp = arg.lstrip('/')
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elif option == '--regexp':
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regexp = arg
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if rest:
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glob = rest.pop()
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regexp = fnmatch.translate(glob.lstrip('/'))
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regexp = regexp.rstrip('$')
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regexp += ".* "
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try:
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re_obj = re.compile(regexp, re.I)
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except re.error, e:
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irc.error("Error in regexp: %s" % e)
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return
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if self.registryValue('pythonZegrep'):
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fd = gzip.open(self.contents)
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r = imap(lambda tup: tup[0],
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ifilter(lambda tup: tup[0],
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imap(lambda line:(re_obj.search(line), line),fd)))
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else:
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try:
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(r, w) = popen2.popen4(['zegrep', regexp, self.contents])
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w.close()
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except TypeError:
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# We're on Windows.
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irc.error('This command won\'t work on this platform. '
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'If you think it should (i.e., you know that '
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'you have a zegrep binary somewhere) then file '
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'a bug about it at http://supybot.sf.net/ .')
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return
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packages = sets.Set() # Make packages unique
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try:
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for line in r:
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if len(packages) > 100:
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irc.error('More than 100 packages matched, '
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'please narrow your search.')
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return
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try:
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(filename, pkg_list) = line[:-1].split()
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if filename == 'FILE':
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# This is the last line before the actual files.
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continue
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except ValueError: # Unpack list of wrong size.
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continue # We've not gotten to the files yet.
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packages.update(pkg_list.split(','))
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finally:
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if hasattr(r, 'close'):
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r.close()
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if len(packages) == 0:
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irc.reply('I found no packages with that file.')
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else:
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irc.reply(utils.commaAndify(packages))
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_debreflags = re.DOTALL | re.IGNORECASE
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_debbrre = re.compile(r'<li><a href[^>]+>(.*?)</a> \(', _debreflags)
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_debverre = re.compile(r'<br>\d+?:(\S+):', _debreflags)
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_deblistre = re.compile(r'<h3>Package ([^<]+)</h3>(.*?)</ul>', _debreflags)
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_debBranches = ('stable', 'testing', 'unstable', 'experimental')
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def version(self, irc, msg, args):
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"""[stable|testing|unstable|experimental] <package name>
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Returns the current version(s) of a Debian package in the given branch
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(if any, otherwise all available ones are displayed).
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"""
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if not args:
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raise callbacks.ArgumentError
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if args and args[0] in self._debBranches:
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branch = args.pop(0)
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else:
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branch = 'all'
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if not args:
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irc.error('You must give a package name.')
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return
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responses = []
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package = privmsgs.getArgs(args)
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package = urllib.quote(package)
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url = 'http://packages.debian.org/cgi-bin/search_packages.pl?keywords'\
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'=%s&searchon=names&version=%s&release=all' % (package, branch)
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try:
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html = webutils.getUrl(url)
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except webutils.WebError, e:
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irc.error('I couldn\'t reach the search page (%s).' % e)
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return
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if 'is down at the moment' in html:
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irc.error('Packages.debian.org is down at the moment. '
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'Please try again later.')
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return
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pkgs = self._deblistre.findall(html)
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self.log.warning(pkgs)
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if not pkgs:
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irc.reply('No package found for %s (%s)' %
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(urllib.unquote(package), branch))
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else:
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for pkg in pkgs:
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pkgMatch = pkg[0]
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brMatch = self._debbrre.findall(pkg[1])
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verMatch = self._debverre.findall(pkg[1])
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if pkgMatch and brMatch and verMatch:
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versions = zip(brMatch, verMatch)
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for version in versions:
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s = '%s (%s)' % (pkgMatch, ': '.join(version))
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responses.append(s)
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resp = '%s matches found: %s' % \
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(len(responses), '; '.join(responses))
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irc.reply(resp)
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_incomingRe = re.compile(r'<a href="(.*?\.deb)">', re.I)
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def incoming(self, irc, msg, args):
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"""[--{regexp,arch}=<value>] <glob>
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Checks debian incoming for a matching package name. The arch
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parameter defaults to i386; --regexp returns only those package names
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that match a given regexp, and normal matches use standard *nix
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globbing.
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"""
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(optlist, rest) = getopt.getopt(args, '', ['regexp=', 'arch='])
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predicates = []
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archPredicate = lambda s: ('_i386.' in s)
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for (option, arg) in optlist:
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if option == '--regexp':
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try:
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r = utils.perlReToPythonRe(arg)
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predicates.append(r.search)
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except ValueError:
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irc.error('%r is not a valid regexp.' % arg)
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return
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elif option == '--arch':
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arg = '_%s.' % arg
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archPredicate = lambda s, arg=arg: (arg in s)
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predicates.append(archPredicate)
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globs = privmsgs.getArgs(rest)
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for glob in globs:
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if '?' not in glob and '*' not in glob:
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glob = '*%s*' % glob
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predicates.append(lambda s: fnmatch.fnmatch(s, glob))
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packages = []
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try:
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fd = webutils.getUrlFd('http://incoming.debian.org/')
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except webutils.WebError, e:
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irc.error(e)
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return
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for line in fd:
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m = self._incomingRe.search(line)
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if m:
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name = m.group(1)
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if all(lambda p: p(name), predicates):
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realname = rsplit(name, '_', 1)[0]
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packages.append(realname)
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if len(packages) == 0:
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irc.error('No packages matched that search.')
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else:
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irc.reply(utils.commaAndify(packages))
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incoming = privmsgs.thread(incoming)
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Class = Debian
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78:
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