Limnoria/plugins/Google.py

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#re!/usr/bin/env python
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###
# 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.
###
"""
Acceses Google for various things.
"""
import plugins
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import re
import sets
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import time
import getopt
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import socket
import urllib2
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import google
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import conf
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import debug
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import utils
import ircmsgs
import plugins
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import ircutils
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import privmsgs
import callbacks
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import structures
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def configure(onStart, afterConnect, advanced):
from questions import expect, anything, something, yn
print 'To use Google\'t Web Services, you must have a license key.'
if yn('Do you have a license key?') == 'y':
key = something('What is it?')
while len(key) != 32:
print 'That\'s not a valid Google license key.'
if yn('Are you sure you have a valid Google license key?') == 'y':
key = something('What is it?')
else:
key = ''
break
if key:
onStart.append('load Google')
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onStart.append('google licensekey %s' % key)
if 'load Alias' not in onStart:
print 'Google depends on the Alias module for some commands.'
if yn('Would you like to load the Alias module now?') == 'y':
onStart.append('load Alias')
else:
print 'You can still use the Google module, but you won\'t ' \
'be asked any further questions.'
return
onStart.append('alias googlelinux "google --restrict=linux $1"')
onStart.append('alias googlebsd "google --restrict=bsd $1"')
onStart.append('alias googlemac "google --restrict=mac $1"')
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if advanced:
print 'The Google plugin has the functionality to watch for URLs'
print 'that match a specific pattern (we call this a snarfer).'
print 'When supybot sees such a URL, he will parse the web page'
print 'for information and reply with the results.\n'
print 'Google has two available snarfers: Google Groups link'
print 'snarfing and a google search snarfer.\n'
if yn('Do you want the Google Groups link snarfer enabled by '\
'default?') == 'n':
onStart.append('Google toggle groups off')
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if yn('Do you want the Google search snarfer enabled by default?')\
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== 'y':
onStart.append('Google toggle search on')
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else:
print 'You\'ll need to get a key before you can use this plugin.'
print 'You can apply for a key at http://www.google.com/apis/'
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totalSearches = 0
totalTime = 0
last24hours = structures.queue()
def search(*args, **kwargs):
try:
global totalSearches, totalTime, last24hours
data = google.doGoogleSearch(*args, **kwargs)
now = time.time()
totalSearches += 1
totalTime += data.meta.searchTime
last24hours.enqueue(now)
while last24hours and now - last24hours.peek() > 86400:
last24hours.dequeue()
return data
except socket.error, e:
if e.args[0] == 110:
return 'Connection timed out to Google.com.'
else:
raise
class Google(callbacks.PrivmsgCommandAndRegexp, plugins.Toggleable):
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threaded = True
regexps = sets.Set(['googleSnarfer', 'googleGroups'])
toggles = plugins.ToggleDictionary({'groups' : True,
'search' : False})
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def __init__(self):
super(self.__class__, self).__init__()
plugins.Toggleable.__init__(self)
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self.total = 0
self.totalTime = 0
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self.last24hours = structures.queue()
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def formatData(self, data):
if isinstance(data, basestring):
return data
time = 'Search took %s seconds: ' % data.meta.searchTime
results = []
for result in data.results:
title = utils.htmlToText(result.title.encode('utf-8'))
url = result.URL
if title:
results.append('\x02%s\x0F: <%s>' % (title, url))
else:
results.append(url)
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if not results:
return 'No matches found %s' % time
else:
return '%s %s' % (time, '; '.join(results))
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def licensekey(self, irc, msg, args):
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"""<key>
Sets the Google license key for using Google's Web Services API. This
is necessary before you can do any searching with this module.
"""
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key = privmsgs.getArgs(args)
google.setLicense(key)
irc.reply(msg, conf.replySuccess)
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licensekey = privmsgs.checkCapability(licensekey, 'admin')
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def google(self, irc, msg, args):
"""<search> [--{language,restrict}=<value>] [--{notsafe,similar}]
Searches google.com for the given string. As many results as can fit
are included. --language accepts a language abbreviation; --restrict
restricts the results to certain classes of things; --similar tells
Google not to filter similar results. --notsafe allows possibly
work-unsafe results.
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"""
(optlist, rest) = getopt.getopt(args, '', ['language=', 'restrict=',
'notsafe', 'similar'])
kwargs = {'language': 'lang_en', 'safeSearch': 1}
for (option, argument) in optlist:
if option == '--notsafe':
kwargs['safeSearch'] = False
elif option == '--similar':
kwargs['filter'] = False
else:
kwargs[option[2:]] = argument
searchString = privmsgs.getArgs(rest)
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data = search(searchString, **kwargs)
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irc.reply(msg, self.formatData(data))
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def metagoogle(self, irc, msg, args):
"""<search> [--(language,restrict)=<value>] [--{similar,notsafe}]
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Searches google and gives all the interesting meta information about
the search. See the help for the google command for a detailed
description of the parameters.
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"""
(optlist, rest) = getopt.getopt(args, '', ['language=', 'restrict=',
'notsafe', 'similar'])
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kwargs = {'language': 'lang_en', 'safeSearch': 1}
for option, argument in optlist:
if option == '--notsafe':
kwargs['safeSearch'] = False
elif option == '--similar':
kwargs['filter'] = False
else:
kwargs[option[2:]] = argument
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searchString = privmsgs.getArgs(rest)
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data = search(searchString, **kwargs)
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meta = data.meta
categories = [d['fullViewableName'] for d in meta.directoryCategories]
categories = [utils.dqrepr(s.replace('_', ' ')) for s in categories]
if categories:
categories = utils.commaAndify(categories)
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else:
categories = ''
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s = 'Search for %r returned %s %s results in %s seconds.%s' % \
(meta.searchQuery,
meta.estimateIsExact and 'exactly' or 'approximately',
meta.estimatedTotalResultsCount,
meta.searchTime,
categories and ' Categories include %s.' % categories)
irc.reply(msg, s)
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def fight(self, irc, msg, args):
"""<search string> <search string> [<search string> ...]
Returns the results of each search, in order, from greatest number
of results to least.
"""
results = []
for arg in args:
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data = search(arg)
results.append((data.meta.estimatedTotalResultsCount, arg))
results.sort()
results.reverse()
s = ', '.join(['%r: %s' % (s, i) for (i, s) in results])
irc.reply(msg, s)
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def spell(self, irc, msg, args):
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"""<word>
Returns Google's spelling recommendation for <word>.
"""
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word = privmsgs.getArgs(args)
result = google.doSpellingSuggestion(word)
if result:
irc.reply(msg, result)
else:
irc.reply(msg, 'No spelling suggestion made.')
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def info(self, irc, msg, args):
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"""takes no arguments
Returns interesting information about this Google module. Mostly
useful for making sure you don't go over your 1000 requests/day limit.
"""
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recent = len(last24hours)
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irc.reply(msg, 'This google module has been called %s time%stotal; '\
'%s time%sin the past 24 hours. ' \
'Google has spent %s seconds searching for me.' % \
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(totalSearches, totalSearches != 1 and 's ' or ' ',
recent, recent != 1 and 's ' or ' ',
totalTime))
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def googleSnarfer(self, irc, msg, match):
r"^google\s+(.*)$"
if not self.toggles.get('search', channel=msg.args[0]):
return
searchString = match.group(1)
try:
data = search(searchString, safeSearch=1)
except google.NoLicenseKey:
return
if data.results:
url = data.results[0].URL
irc.reply(msg, url)
else:
irc.reply(msg, 'No results for "%s"' % searchString)
_ggThread = re.compile(r'<br>Subject: ([^<]+)<br>')
_ggGroup = re.compile(r'Newsgroups: <a[^>]+>([^<]+)</a>')
def googleGroups(self, irc, msg, match):
r"http://groups.google.com/[^\s]+"
if not self.toggles.get('groups', channel=msg.args[0]):
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return
request = urllib2.Request(match.group(0), headers=\
{'User-agent': 'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0)'})
fd = urllib2.urlopen(request)
text = fd.read()
fd.close()
if match.group(0).find('&prev=/') >= 0:
path = re.search('view the <a href=([^>]+)>no',text)
if path is None:
return
url = 'http://groups.google.com'
request = urllib2.Request('%s%s' % (url,path.group(1)),
headers={'User-agent': 'Mozilla/4.0 (compatible; MSIE 5.5;'
'Windows NT 4.0)'})
fd = urllib2.urlopen(request)
text = fd.read()
fd.close()
mThread = self._ggThread.search(text)
mGroup = self._ggGroup.search(text)
if mThread and mGroup:
irc.reply(msg, 'Google Groups: %s, %s' % (mGroup.group(1),
mThread.group(1)), prefixName = False)
else:
irc.error(msg, 'That doesn\'t appear to be a proper '\
'Google Groups page. (%s)' % conf.replyPossibleBug)
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Class = Google
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: