weather plugin now remembers locations

plugins/bible.py

@@ -19,4 +19,3 @@ def bible(inp):
         text = text[:text.rfind(' ', 0, 400)] + '...'
 
     return text
-

plugins/weather.py

@@ -1,19 +1,52 @@
 #!/usr/bin/python
 "weather, thanks to google"
 
+from __future__ import with_statement
+
+import os
+import codecs
+import thread
 import urllib
 from lxml import etree
 
 import hook
 
+lock = thread.allocate_lock()
+stalk = {}
+
+def load_stalk(filename, mtimes={}):
+    if not os.path.exists(filename):
+        return {}
+    mtime = os.stat(filename).st_mtime
+    if mtimes.get(filename, 0) != mtime:
+        mtimes[filename] = mtime
+        return dict(x.split(None, 1) for x in 
+                codecs.open(filename, 'r', 'utf-8'))
+
+def save_stalk(filename, houses):
+    out = codecs.open(filename, 'w', 'utf-8')
+    out.write('\n'.join('%s %s' % x for x in sorted(houses.iteritems()))) #_heh_
+    out.flush()
+    out.close()
+
 @hook.command
 def weather(bot, input):
     ".weather <location> -- queries the google weather API for weather data"
+    global stalk
 
-    if not input.inp.strip(): # blank line
-        return "welp"
+    filename = os.path.join(bot.persist_dir, 'weather')
+    if not stalk:
+        with lock:
+            stalk = load_stalk(filename)
+    
+    nick = input.nick.lower()
+    loc = input.inp.strip().lower()
+    if not loc: # blank line
+        loc = stalk.get(nick, '')
+        if not loc:
+            return weather.__doc__
 
-    data = urllib.urlencode({'weather':input.inp.encode('utf-8')})
+    data = urllib.urlencode({'weather':loc.encode('utf-8')})
     url = 'http://www.google.com/ig/api?' + data
     w = etree.parse(url).find('weather')
 
@@ -26,5 +59,10 @@ def weather(bot, input):
     info['high'] = w.find('forecast_conditions/high').get('data')
     info['low'] = w.find('forecast_conditions/low').get('data')
 
-    return '%(city)s: %(condition)s, %(temp_f)sF/%(temp_c)sC (H:%(high)sF, ' \
-            'L:%(low)sF), %(humidity)s, %(wind_condition)s.' % info
+    bot.reply('%(city)s: %(condition)s, %(temp_f)sF/%(temp_c)sC (H:%(high)sF'\
+            ', L:%(low)sF), %(humidity)s, %(wind_condition)s.' % info)
+
+    if loc != stalk.get(nick, ''):
+        with lock:
+            stalk[nick] = loc
+            save_stalk(filename, stalk)