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# Show differences between old and new topics
# Author: Dafydd Harries <daf@rhydd.org>
# License: GPL3
import re
import weechat
SCRIPT_NAME = "topicdiff"
SCRIPT_AUTHOR = "Dafydd Harries <daf@rhydd.org>"
SCRIPT_VERSION = "0.2"
SCRIPT_LICENSE = "GPL3"
SCRIPT_DESC = "Show differences between old and new topics."
pending_change_buffer = None
topics = {}
def topic_chunks(s):
return re.split(r'\s+\|\|?\s+', s)
def topic_changed(buffer, new_topic):
if buffer in topics:
old_chunks = set(topic_chunks(topics[buffer]))
new_chunks = set(topic_chunks(new_topic))
removed_chunks = old_chunks - new_chunks
added_chunks = new_chunks - old_chunks
for chunk in removed_chunks:
weechat.prnt(buffer, ' -: %s' % chunk)
for chunk in added_chunks:
weechat.prnt(buffer, ' +: %s' % chunk)
topics[buffer] = new_topic
def print_332(data, buffer, time, tags, displayed, highlight, prefix, message):
#weechat.prnt('', 'print: %r' % (a,))
global pending_change_buffer
pending_change_buffer = buffer
return weechat.WEECHAT_RC_OK
def print_topic(
data, buffer, time, tags, displayed, highlight, prefix, message):
global pending_change_buffer
pending_change_buffer = buffer
return weechat.WEECHAT_RC_OK
def irc_in2_332(data, tags, msg):
global pending_change_buffer
if pending_change_buffer is None:
# Hmm, that's weird.
#weechat.prnt('', 'no pending buffer :(')
return weechat.WEECHAT_RC_OK
match = re.match(r':\S+ 332 \S+ \S+ :(.*)', msg)
if not match:
#weechat.prnt('', 'no match :(')
return weechat.WEECHAT_RC_OK
new_topic = match.group(1)
topic_changed(pending_change_buffer, new_topic)
pending_change_buffer = None
return weechat.WEECHAT_RC_OK
def irc_in2_topic(data, tags, msg):
global pending_change_buffer
#weechat.prnt('', '%r' % ((tags, msg),))
if pending_change_buffer is None:
# Hmm, that's weird.
#weechat.prnt('', 'no pending buffer :(')
return weechat.WEECHAT_RC_OK
match = re.match(r':\S+ TOPIC \S+ :(.*)', msg)
if not match:
#weechat.prnt('', 'no match :(')
return weechat.WEECHAT_RC_OK
new_topic = match.group(1)
topic_changed(pending_change_buffer, new_topic)
pending_change_buffer = None
return weechat.WEECHAT_RC_OK
def register():
weechat.register(SCRIPT_NAME, SCRIPT_AUTHOR, SCRIPT_VERSION,
SCRIPT_LICENSE, SCRIPT_DESC, '', '')
weechat.hook_print('', 'irc_332', '', 1, 'print_332', '')
weechat.hook_print('', 'irc_topic', '', 1, 'print_topic', '')
weechat.hook_signal('*,irc_in2_332', 'irc_in2_332', '')
weechat.hook_signal('*,irc_in2_topic', 'irc_in2_topic', '')
if __name__ == '__main__':
register()
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