New version of awl.py

scripts/python/awl.py

@@ -5,22 +5,42 @@
   The script is in the public domain.
   Leonid Evdokimov (weechat at darkk dot net dot ru)
   http://darkk.net.ru/weechat/awl.py
+
+0.1 - initial commit
+0.2 - added `show_servers` option
+0.3 - infobar is actually redrawed only if that's necessary
 """
 
 #######################################################################
 
 import weechat
+from itertools import ifilter
 
-version = "0.1"
+VERSION = "0.3"
+NAME = "awl"
 # how often to refresh infobar
 timer_interval = 1
+blist = ()
 
 def cleanup():
     weechat.remove_infobar(-1)
     return weechat.PLUGIN_RC_OK
 
+def cfg_boolean(key, default = False):
+    map = {True: 'ON', False: 'OFF'}
+    value = weechat.get_plugin_config(key).upper()
+    if not value in map.values():
+        if value:
+            weechat.prnt("[%s]: invalid %s value (%s), resetting to %s" % (NAME, key, value, map[default]))
+        weechat.set_plugin_config(key, map[default])
+        value = default
+    else:
+        value = ifilter(lambda p: p[1] == value, map.iteritems()).next()[0]
+    return value
+
 def update_channels():
-    the_string = [];
+    global blist
+    names = ()
     buffers = weechat.get_buffer_info()
     if buffers != None:
         for index, buffer in buffers.iteritems():
@@ -29,19 +49,28 @@ def update_channels():
             if len(buffer['channel']):
                 name = buffer['channel']
             elif len(buffer['server']):
-                name = "[" + buffer['server'] + "]"
+                if cfg_boolean('show_servers'):
+                    name = "[" + buffer['server'] + "]"
+                else:
+                    continue
             else:
                 name = "?"
-            the_string.append("%i:%s" % (index, name))
-    the_string = " ".join(the_string)
-    weechat.remove_infobar(-1)
-    weechat.print_infobar(0, the_string);
+            names += ("%i:%s" % (index, name), )
+    if (names != blist):
+        the_string = " ".join(names)
+        blist = names
+        weechat.remove_infobar(-1)
+        weechat.print_infobar(0, the_string);
 
 def on_timer():
     update_channels()
     return weechat.PLUGIN_RC_OK
 
-if weechat.register("awl", version, "cleanup", "bufferlist in infobar"):
+if weechat.register(NAME, VERSION, "cleanup", "bufferlist in infobar"):
     #message handlers are called __before__ buflist is changed, so we don't use them
     weechat.add_timer_handler(timer_interval, "on_timer")
+    cfg_boolean('show_servers', False)
     update_channels()
+
+# vim:set tabstop=4 softtabstop=4 shiftwidth=4:
+# vim:set expandtab: