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-rw-r--r--modules/wacalc.py72
1 files changed, 72 insertions, 0 deletions
diff --git a/modules/wacalc.py b/modules/wacalc.py
new file mode 100644
index 0000000..4d40ade
--- /dev/null
+++ b/modules/wacalc.py
@@ -0,0 +1,72 @@
+info = {
+ 'author': 'Jon Bergli Heier',
+ 'title': 'WolframAlpha calculator',
+ 'description': 'WolframAlpha calculator',
+}
+
+import urllib, urllib2, re
+from xml.etree.ElementTree import ElementTree
+
+whitespace_re = re.compile(r'\s+')
+
+class Module(object):
+ config_section = 'module/wacalc'
+
+ def __init__(self, bot):
+ self.irc = bot
+ if self.irc:
+ self.irc.register_keyword('!wacalc', self)
+ if config.has_option(self.config_section, 'register_gcalc'):
+ # Register gcalc trigger for the obsolete gcalc module
+ self.irc.register_keyword('!gcalc', self)
+
+ def keyword(self, nick, channel, kw, msg):
+ target = channel if not channel == self.irc.nickname else nick.split('!')[0]
+ if not len(msg.strip()):
+ self.irc.msg(target, 'Usage: !wacalc query')
+ return
+ query = {
+ 'appid': config.get(self.config_section, 'api_key'),
+ 'format': 'plaintext',
+ 'input': msg,
+ }
+ if config.has_option(self.config_section, 'location'):
+ query['location'] = config.get(self.config_section, 'location')
+ u = urllib2.urlopen('http://api.wolframalpha.com/v2/query?%s' % urllib.urlencode(query))
+ xmldoc = ElementTree()
+ xmldoc.parse(u)
+ xml = xmldoc.getroot()
+ if xml.attrib['success'] != 'true':
+ tips = xml.find('tips')
+ dym = xml.find('didyoumeans')
+ message = None
+ if tips is not None and len(tips):
+ message = 'Tip: %s' % tips[0].attrib['text'].encode('utf-8')
+ elif dym is not None and len(dym):
+ # TODO: sort by score
+ message = 'Did you mean "%s"?' % dym[0].text.encode('utf-8')
+ if message:
+ message = 'No result (%s)' % message
+ else:
+ message = 'No result.'
+ self.irc.msg(target, message)
+ return
+
+ right = None
+ left = msg
+ def pod_plaintext(pod):
+ result = pod.find('subpod/plaintext')
+ if result is not None and result.text is not None:
+ text = result.text
+ text = whitespace_re.sub(' ', text)
+ return text.encode('utf-8')
+ for pod in xml.findall('pod'):
+ pod_id = pod.attrib['id']
+ if pod_id == 'Result':
+ right = pod_plaintext(pod)
+ elif pod_id == 'Input':
+ left = pod_plaintext(pod)
+ if left and right:
+ self.irc.msg(target, '%s = %s' % (left, right))
+ else:
+ self.irc.msg(target, 'Something failed.')