A script which scans xml dumps for typos

typoscanner.py

#!/usr/bin/env python
from __future__ import print_function
"""
Copyright (C) 2012 Legoktm with help from SigmaWP and odie5533

Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
IN THE SOFTWARE.
"""
import re
import bs4
import wikipedia as pywikibot
site=pywikibot.getSite()
import xmlreader

f= open('/home/legoktm/public_html/typos/list.txt','w')


def fetch_regex():
    pg= pywikibot.Page(site, 'Wikipedia:AutoWikiBrowser/Typos')
    text=pg.get()
    soup = bs4.BeautifulSoup(text).find_all("typo")
    for x in soup:
        yield x['find']

def compile_r():
    l=list()
    x = list(fetch_regex())
    print('%s regex parsed.' % len(x))
    for z in x:
        try:
            l.append(re.compile(z))
        except:
            pass
    print('%s regex loaded.' % len(l))
    return l


dump = xmlreader.XmlDump('/mnt/user-store/dumps/enwiki-latest-pages-articles.xml')
gen = dump.parse()
is_redir = re.compile(r"#redirect\s*?\[\[(.+?)\]\]", re.I)
HAS_TYPOS = set()
regexs = compile_r()
for page in gen:
    if is_redir.match(page.text):
        continue
    found = False
    for r in regexs:
        if r.search(page.text):
            found = True
            break
    if found:
        #HAS_TYPOS.add(page.title)
        entry = u'# [['+page.title+u']]'
        f.write(entry.encode('utf-8'))
        print('Typo found in '+page.title)

f.close()