First :D

plugins/wikipedia.py

@@ -0,0 +1,51 @@
+'''Searches wikipedia and returns first sentence of article
+Scaevolus 2009'''
+
+import re
+
+from util import hook, http
+
+
+api_prefix = "http://en.wikipedia.org/w/api.php"
+search_url = api_prefix + "?action=opensearch&format=xml"
+
+paren_re = re.compile('\s*\(.*\)$')
+
+
+@hook.command('w')
+@hook.command
+def wiki(inp):
+    '''.w/.wiki <phrase> -- gets first sentence of wikipedia ''' \
+    '''article on <phrase>'''
+
+    x = http.get_xml(search_url, search=inp)
+
+    ns = '{http://opensearch.org/searchsuggest2}'
+    items = x.findall(ns + 'Section/' + ns + 'Item')
+
+    if items == []:
+        if x.find('error') is not None:
+            return 'error: %(code)s: %(info)s' % x.find('error').attrib
+        else:
+            return 'no results found'
+
+    def extract(item):
+        return [item.find(ns + x).text for x in
+                            ('Text', 'Description', 'Url')]
+
+    title, desc, url = extract(items[0])
+
+    if 'may refer to' in desc:
+        title, desc, url = extract(items[1])
+
+    title = paren_re.sub('', title)
+
+    if title.lower() not in desc.lower():
+        desc = title + desc
+
+    desc = re.sub('\s+', ' ', desc).strip()  # remove excess spaces
+
+    if len(desc) > 300:
+        desc = desc[:300] + '...'
+
+    return '%s -- %s' % (desc, http.quote(url, ':/'))