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 0.2.6

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pagetitle.py

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#!/usr/bin/python

# pagetitle plugin for weechat-0.2.6

# usage example:

# /pt check this out: http://slashdot.org

# <user> check this out: http://slashdot.org ('Slashdot: News for nerds, stuff that matters')

# author: <wolf@unfoog.de>

import htmllib

import re

import socket

import sys

import urllib2

import weechat

# Cut off titles

limit_title_length = 50

debug = False

# Change user agent

opener = urllib2.build_opener()

opener.addheaders = [('User-agent', 'Mozilla/5.0 (weechat/pagetitle)')]

urllib2._urlopener = opener

# Short timeout to avoid freezing weechat [seconds]

socket.setdefaulttimeout(5)

# Matches http urls

regex_url = re.compile("""https?://[^ ]+""")

def unescape(s):

"""Unescape HTML entities"""

p = htmllib.HTMLParser(None)

p.save_bgn()

p.feed(s)

return p.save_end()

def getPageTitle(url):

"""Retrieve the HTML <title> from a webpage"""

try:

u = urllib2.urlopen(url)

except urllib2.HTTPError, e:

raise NameError(str(e))

except urllib2.URLError, e:

raise NameError(str(e))

info = u.info()

try:

content_type = info['Content-Type']

if not re.match(".*/html.*",content_type):

return ""

except:

return ""

head = u.read(8192)

head = re.sub("[\r\n\t ]"," ",head)

title_esc = re.search('(?i)\<title\>(.*?)\</title>', head)

if title_esc:

title_esc = title_esc.group(1)

return unescape(title_esc)

else:

return ""

def on_pagetitle(server, args):

if len(args) == 0:

return weechat.PLUGIN_RC_KO

msg = args

def urlReplace(match):

url = match.group()

try:

if debug:

weechat.prnt("pagetitle: retrieving '%s'" % url)

title = getPageTitle(url)

if len(title) > limit_title_length:

title = "%s [...]" % title[0:limit_title_length]

url = "%s ('%s')" % (url, title)

except NameError, e:

weechat.prnt("pagetitle: URL: '%s', Error: '%s'" % (url, e))

return url

msg = regex_url.sub(urlReplace, msg)

weechat.command(msg)

return weechat.PLUGIN_RC_OK

# Register plugin

weechat.register ('pagetitle', '0.3', '', """Adds HTML titles to http:// urls in your message.""")

desc = """Sends a message to the current buffer and adds HTML titles to http:// URLs.

Example: /pt check this out: http://xkcd.com/364/

<you> check this out: http://xkcd.com/364/ (xkcd - A webcomic of romance, sarcasm, math and language)"""

weechat.add_command_handler ('pagetitle', 'on_pagetitle', desc, 'message')

weechat.add_command_handler ('pt', 'on_pagetitle', desc, 'message')