First :D

plugins/wolframalpha.py

@@ -0,0 +1,56 @@
+import re
+
+from util import hook, http
+
+
+@hook.command('wa')
+@hook.command
+def wolframalpha(inp):
+    ".wa/.wolframalpha <query> -- scrapes Wolfram Alpha's" \
+            " results for <query>"
+
+    url = "http://www.wolframalpha.com/input/?asynchronous=false"
+
+    h = http.get_html(url, i=inp)
+
+    pods = h.xpath("//div[@class='pod ']")
+
+    pod_texts = []
+    for pod in pods:
+        heading = pod.find('h2')
+        if heading is not None:
+            heading = heading.text_content().strip()
+            if heading.startswith('Input'):
+                continue
+        else:
+            continue
+
+        results = []
+        for alt in pod.xpath('div/div[@class="output pnt"]/img/@alt'):
+            alt = alt.strip().replace('\\n', '; ')
+            alt = re.sub(r'\s+', ' ', alt)
+            if alt:
+                results.append(alt)
+        if results:
+            pod_texts.append(heading + ' ' + '|'.join(results))
+
+    ret = '. '.join(pod_texts)
+
+    if not pod_texts:
+        return 'no results'
+
+    ret = re.sub(r'\\(.)', r'\1', ret)
+
+    def unicode_sub(match):
+        return unichr(int(match.group(1), 16))
+
+    ret = re.sub(r'\\:([0-9a-z]{4})', unicode_sub, ret)
+
+    if len(ret) > 430:
+        ret = ret[:ret.rfind(' ', 0, 430)]
+        ret = re.sub(r'\W+$', '', ret) + '...'
+
+    if not ret:
+        return 'no result'
+
+    return ret