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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+')
unicode_re = re.compile(r'(\\:[\da-f]{4})')
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)
text = unicode_re.sub(lambda match: unichr(int(match.group()[2:], 16)), text)
return text.encode('utf-8')
for pod in xml.findall('pod'):
pod_id = pod.attrib['id']
if pod_id in ('Result', 'DecimalApproximation'):
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.')
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