Limnoria/plugins/Http.py

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#!/usr/bin/env 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.
###
"""
Provides several commands that go out to websites and get things.
"""
import plugins
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import re
import sets
import getopt
import socket
import urllib2
import xml.dom.minidom
from itertools import imap, ifilter
import utils
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import debug
import privmsgs
import callbacks
class FreshmeatException(Exception):
pass
def getPage(url):
"""Gets a page. Returns a string that is the page gotten."""
fd = urllib2.urlopen(url)
text = fd.read()
fd.close()
return text
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class Http(callbacks.Privmsg):
threaded = True
def callCommand(self, method, irc, msg, *L):
try:
callbacks.Privmsg.callCommand(self, method, irc, msg, *L)
except socket.gaierror, e:
irc.error(msg, e.args[1])
except urllib2.HTTPError, r:
irc.error(msg, str(e))
_titleRe = re.compile(r'<title>(.*?)</title>', re.I | re.S)
def title(self, irc, msg, args):
"""<url>
Returns the HTML <title>...</title> of a URL.
"""
url = privmsgs.getArgs(args)
if '://' not in url:
url = 'http://%s' % url
try:
text = getPage(url)
m = self._titleRe.search(text)
if m is not None:
irc.reply(msg, utils.htmlToText(m.group(1).strip()))
else:
irc.reply(msg, 'That URL appears to have no HTML title.')
except ValueError, e:
irc.error(msg, str(e))
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def freshmeat(self, irc, msg, args):
"""<project name>
Returns Freshmeat data about a given project.
"""
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project = privmsgs.getArgs(args)
url = 'http://www.freshmeat.net/projects-xml/%s' % project
try:
text = getPage(url)
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if text.startswith('Error'):
raise FreshmeatException, text
dom = xml.dom.minidom.parseString(text)
def getNode(name):
node = dom.getElementsByTagName(name)[0]
return str(node.childNodes[0].data)
project = getNode('projectname_full')
version = getNode('latest_release_version')
vitality = getNode('vitality_percent')
popularity = getNode('popularity_percent')
lastupdated = getNode('date_updated')
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irc.reply(msg,
'%s, last updated %s, with a vitality percent of %s '\
'and a popularity of %s, is in version %s.' % \
(project, lastupdated, vitality, popularity, version))
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except FreshmeatException, e:
irc.error(msg, debug.exnToString(e))
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def stockquote(self, irc, msg, args):
"""<company symbol>
Gets the information about the current price and change from the
previous day of a given compny (represented by a stock symbol).
"""
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symbol = privmsgs.getArgs(args)
url = 'http://finance.yahoo.com/d/quotes.csv?s=%s'\
'&f=sl1d1t1c1ohgv&e=.csv' % symbol
quote = getPage(url)
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data = quote.split(',')
if data[1] != '0.00':
irc.reply(msg,
'The current price of %s is %s, as of %s EST. '\
'A change of %s from the last business day.' %\
(data[0][1:-1], data[1], data[3][1:-1], data[4]))
else:
m = 'I couldn\'t find a listing for %s' % symbol
irc.error(msg, m)
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_cityregex = re.compile(
r'<td><font size="4" face="arial"><b>'\
r'(.*?), (.*?),(.*?)</b></font></td>', re.IGNORECASE)
_interregex = re.compile(
r'<td><font size="4" face="arial"><b>'\
r'(.*?), (.*?)</b></font></td>', re.IGNORECASE)
_condregex = re.compile(
r'<td width="100%" colspan="2" align="center"><strong>'\
r'<font face="arial">(.*?)</font></strong></td>', re.IGNORECASE)
_tempregex = re.compile(
r'<td valign="top" align="right"><strong><font face="arial">'\
r'(.*?)</font></strong></td>', re.IGNORECASE)
# States
_realStates = sets.Set(['ak', 'al', 'ar', 'az', 'ca', 'co', 'ct',
'dc', 'de', 'fl', 'ga', 'hi', 'ia', 'id',
'il', 'in', 'ks', 'ky', 'la', 'ma', 'md',
'me', 'mi', 'mn', 'mo', 'ms', 'mt', 'nc',
'nd', 'ne', 'nh', 'nj', 'nm', 'nv', 'ny',
'oh', 'ok', 'or', 'pa', 'ri', 'sc', 'sd',
'tn', 'tx', 'ut', 'va', 'vt', 'wa', 'wi',
'wv', 'wy'])
# Provinces. (Province being a metric state measurement mind you. :D)
_fakeStates = sets.Set(['ab', 'bc', 'mb', 'nb', 'nf', 'ns', 'nt',
'nu', 'on', 'pe', 'qc', 'sk', 'yk'])
# Certain countries are expected to use a standard abbreviation
# The weather we pull uses weird codes. Map obvious ones here.
_countryMap = {'uk': 'gb'}
def weather(self, irc, msg, args):
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"""<US zip code> <US/Canada city, state> <Foreign city, country>
Returns the approximate weather conditions for a given city.
"""
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#If we received more than one argument, then we have received
#a city and state argument that we need to process.
if len(args) > 1:
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#If we received more than 1 argument, then we got a city with a
#multi-word name. ie ['Garden', 'City', 'KS'] instead of
#['Liberal', 'KS']. We join it together with a + to pass
#to our query
state = args.pop()
state = state.lower()
city = '+'.join(args)
city = city.rstrip(',')
city = city.lower()
#debug.printf((state, city))
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#We must break the States up into two sections. The US and
#Canada are the only countries that require a State argument.
if state in self._realStates:
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country = 'us'
elif state in self._fakeStates:
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country = 'ca'
else:
country = state
state = ''
if country in self._countryMap.keys():
country = self._countryMap[country]
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url = 'http://www.hamweather.net/cgi-bin/hw3/hw3.cgi?'\
'pass=&dpp=&forecast=zandh&config=&'\
'place=%s&state=%s&country=%s' % \
(city, state, country)
#debug.printf(url)
html = getPage(url)
if 'was not found' in html:
url = 'http://www.hamweather.net/cgi-bin/hw3/hw3.cgi?'\
'pass=&dpp=&forecast=zandh&config=&'\
'place=%s&state=&country=%s' % \
(city, state)
html = getPage(url)
if 'was not found' in html:
irc.error(msg, 'No such location could be found.')
return
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#We received a single argument. Zipcode or station id.
else:
zip = privmsgs.getArgs(args)
zip = zip.replace(',','')
zip = zip.lower().split()
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url = 'http://www.hamweather.net/cgi-bin/hw3/hw3.cgi?'\
'config=&forecast=zandh&pands=%s&Submit=GO' % args[0]
html = getPage(url)
if 'was not found' in html:
irc.error(msg, 'No such location could be found.')
return
headData = self._cityregex.search(html)
if headData:
(city, state, country) = headData.groups()
else:
headData = self._interregex.search(html)
(city, state) = headData.groups()
temp = self._tempregex.search(html).group(1)
conds = self._condregex.search(html).group(1)
if temp and conds and city and state:
s = 'The current temperature in %s, %s is %s. ' \
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'Conditions: %s.' % \
(city.strip(), state.strip(), temp, conds)
irc.reply(msg, s)
else:
irc.error(msg, 'The format of the page was odd.')
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_mlgeekquotere = re.compile('<p class="qt">(.*?)</p>', re.M | re.DOTALL)
def geekquote(self, irc, msg, args):
"""[--id=<value>]
Returns a random geek quote from bash.org; the optional argument
--id specifies which quote to retrieve.
"""
(optlist, rest) = getopt.getopt(args, '', ['id='])
id = 'random1'
for (option, arg) in optlist:
if option == '--id':
try:
id = int(arg)
except ValueError, e:
irc.error(msg, 'Invalid id: %s' % e)
return
html = getPage('http://bash.org/?%s' % id)
m = self._mlgeekquotere.search(html)
if m is None:
irc.error(msg, 'No quote found.')
return
quote = utils.htmlToText(m.group(1))
quote = ' // '.join(quote.splitlines())
irc.reply(msg, quote)
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_acronymre = re.compile(r'width="71%" bgcolor="[^"]+">(?:<b>)?([^<]+)')
def acronym(self, irc, msg, args):
"""<acronym>
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Displays acronym matches from acronymfinder.com
"""
acronym = privmsgs.getArgs(args)
url = 'http://www.acronymfinder.com/' \
'af-query.asp?String=exact&Acronym=%s' % acronym
request = urllib2.Request(url, headers={'User-agent':
'Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0)'})
html = getPage(request)
# The following definitions are stripped and empties are removed.
defs = filter(None, imap(str.strip, self._acronymre.findall(html)))
utils.sortBy(lambda s: not s.startswith('[not an acronym]'), defs)
for (i, s) in enumerate(defs):
if s.startswith('[not an acronym]'):
defs[i] = s.split('is ', 1)[1]
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#debug.printf(defs)
if len(defs) == 0:
irc.reply(msg,'No definitions found. (%s)'%conf.replyPossibleBug)
else:
s = ', or '.join(defs)
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irc.reply(msg, '%s could be %s' % (acronym, s))
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_netcraftre = re.compile(r'whatos text -->(.*?)<a href="/up/acc', re.S)
def netcraft(self, irc, msg, args):
"""<hostname|ip>
Returns Netcraft.com's determination of what operating system and
webserver is running on the host given.
"""
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hostname = privmsgs.getArgs(args)
url = 'http://uptime.netcraft.com/up/graph/?host=%s' % hostname
html = getPage(url)
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m = self._netcraftre.search(html)
if m:
html = m.group(1)
s = utils.htmlToText(html, tagReplace='').strip('\xa0 ')
irc.reply(msg, s[9:]) # Snip off "the site"
elif 'We could not get any results' in html:
irc.reply(msg, 'No results found for %s.' % hostname)
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else:
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irc.error(msg, 'The format of page the was odd.')
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def kernel(self, irc, msg, args):
"""takes no arguments
Returns information about the current version of the Linux kernel.
"""
fd = urllib2.urlopen('http://www.kernel.org/kdist/finger_banner')
for line in fd:
(name, version) = line.split(':')
if 'latest stable' in name:
stable = version.strip()
elif 'latest beta' in name:
beta = version.strip()
fd.close()
irc.reply(msg, 'The latest stable kernel is %s; ' \
'the latest beta kernel is %s.' % (stable, beta))
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_pgpkeyre = re.compile(r'pub\s+\d{4}\w/<a '\
'href="([^"]+)">([^<]+)</a>[^>]+>([^<]+)</a>')
def pgpkey(self, irc, msg, args):
"""<search words>
Returns the results of querying pgp.mit.edu for keys that match
the <search words>.
"""
search = privmsgs.getArgs(args)
urlClean = search.replace(' ', '+')
host = 'http://pgp.mit.edu:11371'
url = '%s/pks/lookup?op=index&search=%s' % (host, urlClean)
try:
L = []
fd = urllib2.urlopen(url)
for line in iter(fd.next, ''):
info = self._pgpkeyre.search(line)
if info:
L.append('%s <%s%s>' % (info.group(3),host,info.group(1)))
if len(L) == 0:
irc.reply(msg, 'No results found for %s.' % search)
else:
s = 'Matches found for %s: %s' % (search, ' :: '.join(L))
irc.reply(msg, s)
finally:
fd.close()
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Class = Http
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# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: