phenny/wiki.py

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import json
import re
import web
r_tr = re.compile(r'(?ims)<tr[^>]*>.*?</tr>')
r_paragraph = re.compile(r'(?ims)<p[^>]*>.*?</p>|<li(?!n)[^>]*>.*?</li>')
r_tag = re.compile(r'<(?!!)[^>]+>')
r_whitespace = re.compile(r'[\t\r\n ]+')
r_redirect = re.compile(
r'(?ims)class=.redirectText.>\s*<a\s*href=./wiki/([^"/]+)'
)
abbrs = ['etc', 'ca', 'cf', 'Co', 'Ltd', 'Inc', 'Mt', 'Mr', 'Mrs',
'Dr', 'Ms', 'Rev', 'Fr', 'St', 'Sgt', 'pron', 'approx', 'lit',
'syn', 'transl', 'sess', 'fl', 'Op', 'Dec', 'Brig', 'Gen'] \
+ list('ABCDEFGHIJKLMNOPQRSTUVWXYZ') \
+ list('abcdefghijklmnopqrstuvwxyz')
t_sentence = r'^.{5,}?(?<!\b%s)(?:\.(?=[\[ ][A-Z0-9]|\Z)|\Z)'
r_sentence = re.compile(t_sentence % r')(?<!\b'.join(abbrs))
class Wiki(object):
def __init__(self, api, url, searchurl=""):
self.api = api
self.url = url
self.searchurl = searchurl
@staticmethod
def unescape(s):
s = s.replace('&gt;', '>')
s = s.replace('&lt;', '<')
s = s.replace('&amp;', '&')
s = s.replace('&#160;', ' ')
return s
@staticmethod
def text(html):
html = r_tag.sub('', html)
html = r_whitespace.sub(' ', html)
return Wiki.unescape(html).strip()
def search(self, term, last=False):
url = self.api.format(term)
bytes = web.get(url)
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try:
result = json.loads(bytes)
result = result['query']['search']
if len(result) <= 0:
return None
except ValueError:
return None
term = result[0]['title']
term = term.replace(' ', '_')
snippet = self.text(result[0]['snippet'])
return "{0} - {1}".format(snippet, self.url.format(term))