minor fixes for twitter/wikipedia

plugins/sieve.py

@@ -24,7 +24,6 @@ def sieve_suite(bot, input, func, args):
     if input.re is None:
         return None
 
-    input.inp = (' '.join(input.re.groups()) + 
-                input.msg[input.re.span()[1]:]).strip()
+    input.inp = ' '.join(input.re.groups())
 
     return input

plugins/twitter.py

@@ -16,7 +16,10 @@ def twitter(bot, input):
 
     url = "http://twitter.com/statuses/user_timeline/%s.xml?count=1" \
             % urllib.quote(input.inp)
+    try:
         tweet = etree.parse(url)
+    except IOError:
+        return 'RoR: XTREME scalability (twitter is unresponsive)'
 
     if tweet.find('error') is not None:
         return "can't find that username"

plugins/wikipedia.py

@@ -13,7 +13,7 @@ search_url = api_prefix + "?action=opensearch&search=%s&format=xml"
 
 paren_re = re.compile('\s*\(.*\)$')
 
-@hook.command(hook='w')
+@hook.command(hook='w (.*)')
 @hook.command
 def wiki(query):
     print query
@@ -24,6 +24,9 @@ def wiki(query):
     ns = '{http://opensearch.org/searchsuggest2}'
     items = x.findall(ns + 'Section/' + ns + 'Item')
 
+    if items == []:
+        return 'no results found'
+
     def extract(item):
         return [item.find(ns + x).text for x in 
                             ('Text', 'Description', 'Url')]