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