Weechat update to v1.1

.weechat/python/topicdiff.py

@@ -0,0 +1,99 @@
+# 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()
+