Limnoria/plugins/Http.py

427 lines
16 KiB
Python

#!/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.
"""
__revision__ = "$Id$"
import plugins
import re
import sets
import getopt
import socket
import urllib2
import xml.dom.minidom
from itertools import imap, ifilter
import conf
import utils
import webutils
import privmsgs
import callbacks
class FreshmeatException(Exception):
pass
class Http(callbacks.Privmsg):
threaded = True
maxSize = 4096
_titleRe = re.compile(r'<title>(.*?)</title>', re.I | re.S)
def callCommand(self, method, irc, msg, *L):
try:
callbacks.Privmsg.callCommand(self, method, irc, msg, *L)
except webutils.WebError, e:
irc.error(msg, str(e))
def headers(self, irc, msg, args):
"""<url>
Returns the HTTP headers of <url>. Only HTTP urls are valid, of
course.
"""
url = privmsgs.getArgs(args)
if not url.startswith('http://'):
irc.error(msg, 'Only HTTP urls are valid.')
return
try:
fd = webutils.getUrlFd(url)
s = ', '.join(['%s: %s' % (k, v) for (k, v) in fd.headers.items()])
irc.reply(msg, s)
except webutils.WebError, e:
irc.error(msg, str(e))
def doctype(self, irc, msg, args):
"""<url>
Returns the DOCTYPE string of <url>. Only HTTP urls are valid, of
course.
"""
url = privmsgs.getArgs(args)
if not url.startswith('http://'):
irc.error(msg, 'Only HTTP urls are valid.')
return
try:
s = webutils.getUrl(url, size=self.maxSize)
if 'DOCTYPE' in s and '\n' in s:
line = s.splitlines()[0]
s = utils.normalizeWhitespace(line.strip())
irc.reply(msg, '%s has the following doctype: %s' % (url, s))
else:
irc.reply(msg, '%s has no specified doctype.' % url)
except webutils.WebError, e:
irc.error(msg, str(e))
def size(self, irc, msg, args):
"""<url>
Returns the Content-Length header of <url>. Only HTTP urls are valid,
of course.
"""
url = privmsgs.getArgs(args)
if not url.startswith('http://'):
irc.error(msg, 'Only HTTP urls are valid.')
return
try:
fd = webutils.getUrlFd(url)
try:
size = fd.headers['Content-Length']
irc.reply(msg, '%s is %s bytes long.' % (url, size))
except KeyError:
s = fd.read(self.maxSize)
if len(s) != self.maxSize:
irc.reply(msg, '%s is %s bytes long.' % (url, len(s)))
else:
irc.reply(msg, 'The server didn\'t tell me how long %s is '
'but it\'s longer than %s bytes.' %
(url,self.maxSize))
except webutils.WebError, e:
irc.error(msg, str(e))
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 = webutils.getUrl(url, size=self.maxSize)
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))
def freshmeat(self, irc, msg, args):
"""<project name>
Returns Freshmeat data about a given project.
"""
project = privmsgs.getArgs(args)
project = ''.join(project.split())
url = 'http://www.freshmeat.net/projects-xml/%s' % project
try:
text = webutils.getUrl(url)
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')
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))
except FreshmeatException, e:
irc.error(msg, utils.exnToString(e))
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).
"""
symbol = privmsgs.getArgs(args)
url = 'http://finance.yahoo.com/d/quotes.csv?s=%s'\
'&f=sl1d1t1c1ohgv&e=.csv' % symbol
quote = webutils.getUrl(url)
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)
_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):
"""<US zip code> <US/Canada city, state> <Foreign city, country>
Returns the approximate weather conditions for a given city.
"""
#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:
#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()
#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:
country = 'us'
elif state in self._fakeStates:
country = 'ca'
else:
country = state
state = ''
if country in self._countryMap.keys():
country = self._countryMap[country]
url = 'http://www.hamweather.net/cgi-bin/hw3/hw3.cgi?'\
'pass=&dpp=&forecast=zandh&config=&'\
'place=%s&state=%s&country=%s' % \
(city, state, country)
html = webutils.getUrl(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 = webutils.getUrl(url)
if 'was not found' in html:
irc.error(msg, 'No such location could be found.')
return
#We received a single argument. Zipcode or station id.
else:
zip = privmsgs.getArgs(args)
zip = zip.replace(',','')
zip = zip.lower().split()
url = 'http://www.hamweather.net/cgi-bin/hw3/hw3.cgi?'\
'config=&forecast=zandh&pands=%s&Submit=GO' % args[0]
html = webutils.getUrl(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)
if headData:
(city, state) = headData.groups()
else:
irc.error(msg, 'No such location could be found.')
return
temp = self._tempregex.search(html).group(1)
conds = self._condregex.search(html).group(1)
if temp and conds and city and state:
conds = conds.replace('Tsra', 'Thunder Storms')
s = 'The current temperature in %s, %s is %s. ' \
'Conditions: %s.' % \
(city.strip(), state.strip(), temp, conds)
irc.reply(msg, s)
else:
irc.error(msg, 'The format of the page was odd.')
_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 = webutils.getUrl('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)
_acronymre = re.compile(r'valign="middle" width="7\d%" bgcolor="[^"]+">'
r'(?:<b>)?([^<]+)')
def acronym(self, irc, msg, args):
"""<acronym>
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 = webutils.getUrl(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]
if len(defs) == 0:
irc.reply(msg,'No definitions found. (%s)'%conf.replyPossibleBug)
else:
s = ', or '.join(defs)
irc.reply(msg, '%s could be %s' % (acronym, s))
_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.
"""
hostname = privmsgs.getArgs(args)
url = 'http://uptime.netcraft.com/up/graph/?host=%s' % hostname
html = webutils.getUrl(url)
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)
else:
irc.error(msg, 'The format of page the was odd.')
def kernel(self, irc, msg, args):
"""takes no arguments
Returns information about the current version of the Linux kernel.
"""
try:
try:
fd = webutils.getUrlFd('http://kernel.org/kdist/finger_banner')
except webutils.WebError, e:
irc.error(msg, str(e))
return
for line in fd:
(name, version) = line.split(':')
if 'latest stable' in name:
stable = version.strip()
elif 'latest beta' in name:
beta = version.strip()
finally:
fd.close()
irc.reply(msg, 'The latest stable kernel is %s; ' \
'the latest beta kernel is %s.' % (stable, beta))
_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()
Class = Http
# vim:set shiftwidth=4 tabstop=8 expandtab textwidth=78: