50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
"""Searches wikipedia and returns first sentence of article
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Scaevolus 2009"""
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import re
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from util import hook, http, text
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api_prefix = "http://en.wikipedia.org/w/api.php"
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search_url = api_prefix + "?action=opensearch&format=xml"
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paren_re = re.compile('\s*\(.*\)$')
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@hook.command('w')
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@hook.command
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def wiki(inp):
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"""wiki <phrase> -- Gets first sentence of Wikipedia article on <phrase>."""
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x = http.get_xml(search_url, search=inp)
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ns = '{http://opensearch.org/searchsuggest2}'
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items = x.findall(ns + 'Section/' + ns + 'Item')
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if not items:
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if x.find('error') is not None:
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return 'error: %(code)s: %(info)s' % x.find('error').attrib
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else:
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return 'No results found.'
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def extract(item):
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return [item.find(ns + x).text for x in
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('Text', 'Description', 'Url')]
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title, desc, url = extract(items[0])
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if 'may refer to' in desc:
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title, desc, url = extract(items[1])
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title = paren_re.sub('', title)
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if title.lower() not in desc.lower():
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desc = title + desc
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desc = re.sub('\s+', ' ', desc).strip() # remove excess spaces
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desc = text.truncate_str(desc, 200)
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return '{} :: {}'.format(desc, http.quote(url, ':/'))
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