30 lines
787 B
Python
30 lines
787 B
Python
import urllib2
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import re
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from lxml import html
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from util import hook
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@hook.command
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def calc(inp):
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'''.calc <term> -- returns Google Calculator result'''
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if not inp:
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return calc.__doc__
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url = "http://www.google.com/search?q="
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request = urllib2.Request(url + urllib2.quote(inp, ''))
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request.add_header('User-Agent', 'skybot')
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page = urllib2.build_opener().open(request).read()
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# ugh, scraping HTML with regexes
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m = re.search(r'<h2 class=r style="font-size:138%"><b>(.*?)</b>', page)
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if m is None:
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return "could not calculate " + inp
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result = m.group(1).replace("<font size=-2> </font>", ",")
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result = result.replace(" × 10<sup>", "E").replace("</sup>", "")
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result = result.replace("\xa0", ",")
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return result
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