Revision: 5174
Author: russblau
Date: 2008-04-01 20:06:31 +0000 (Tue, 01 Apr 2008)
Log Message:
-----------
Add option to use moved-pages log as a source of double-redirects (this will mainly be
useful on larger wikis *cough*English Wikipedia*cough* where the double-redirects
accumulate faster than the Special: page can keep up with them. Also fix one message.
Modified Paths:
--------------
trunk/pywikipedia/redirect.py
Modified: trunk/pywikipedia/redirect.py
===================================================================
--- trunk/pywikipedia/redirect.py 2008-04-01 17:49:40 UTC (rev 5173)
+++ trunk/pywikipedia/redirect.py 2008-04-01 20:06:31 UTC (rev 5174)
@@ -25,6 +25,10 @@
-offset:n Number of redirect to restart with (see progress). Works only
with an XML dump.
+-moves Instead of using Special:Doubleredirects, use the page move
+ log to find double-redirect candidates (only works with
+ action "double", does not work with -xml)
+
-always Don't prompt you for each replacement.
"""
@@ -103,10 +107,12 @@
}
class RedirectGenerator:
- def __init__(self, xmlFilename = None, namespaces = [], offset = -1):
+ def __init__(self, xmlFilename=None, namespaces=[], offset=-1,
+ use_move_log=False):
self.xmlFilename = xmlFilename
self.namespaces = namespaces
self.offset = offset
+ self.use_move_log = use_move_log
def get_redirects_from_dump(self, alsoGetPageTitles = False):
'''
@@ -208,6 +214,10 @@
def retrieve_double_redirects(self):
if self.xmlFilename == None:
+ if self.use_move_log:
+ for redir_page in self.get_moved_pages_redirects():
+ yield redir_page.title()
+ return
mysite = wikipedia.getSite()
# retrieve information from the live wiki's maintenance page
# double redirect maintenance page's URL
@@ -236,8 +246,44 @@
wikipedia.output(u'\nChecking redirect %i of %i...'
% (num + 1, len(redict)))
+ move_regex = re.compile(
+ r'<li>.*?<a href="/wiki/User:.*?>.*?</a> '
+ r'\(<a href="/wiki/User_talk:.*?>Talk</a> \| '
+ r'<a href="/wiki/Special:Contributions/.*?>contribs</a>\)
'
+ r'moved <a href="/w/index\.php\?title=.*?>(.*?)</a> to
'
+ r'<a href="/wiki/.*?>.*?</a>.*?</li>' )
+
+ def get_moved_pages_redirects(self):
+ '''generate redirects to recently-moved pages'''
+ offset=0
+ site = wikipedia.getSite()
+ while offset <= 10000: # Can't access more than 10000 log entries
+ move_url = \
+
"/w/index.php?title=Special:Log&limit=500&offset=%i&type=move"\
+ % offset
+ try:
+ move_list = site.getUrl(move_url)
+# wikipedia.output(u"[%i]" % offset)
+ except:
+ import traceback
+ traceback.print_exc()
+ return
+ for moved_page in self.move_regex.findall(move_list):
+ # moved_page is now a redirect, so any redirects pointing
+ # to it need to be changed
+ try:
+ for page in wikipedia.Page(site, moved_page
+ ).getReferences(follow_redirects=True,
+ redirectsOnly=True):
+ yield page
+ except wikipedia.NoPage:
+ # original title must have been deleted after move
+ continue
+ offset += 500
+
+
class RedirectRobot:
- def __init__(self, action, generator, always = False):
+ def __init__(self, action, generator, always=False):
self.action = action
self.generator = generator
self.always = always
@@ -308,7 +354,7 @@
elif len(redirList) == 2:
wikipedia.output(
u'Skipping: Redirect target %s is not a redirect.'
- % redir.aslink())
+ % newRedir.aslink())
break # do nothing
except wikipedia.SectionError:
wikipedia.output(
@@ -413,6 +459,7 @@
# at which redirect shall we start searching double redirects again
# (only with dump); default to -1 which means all redirects are checked
offset = -1
+ moved_pages = False
always = False
for arg in wikipedia.handleArgs():
if arg == 'double':
@@ -425,6 +472,8 @@
u'Please enter the XML dump\'s filename: ')
else:
xmlFilename = arg[5:]
+ elif arg.startswith('-moves'):
+ moved_pages = True
elif arg.startswith('-namespace:'):
try:
namespaces.append(int(arg[11:]))
@@ -440,7 +489,7 @@
if not action:
wikipedia.showHelp('redirect')
else:
- gen = RedirectGenerator(xmlFilename, namespaces, offset)
+ gen = RedirectGenerator(xmlFilename, namespaces, offset, moved_pages)
bot = RedirectRobot(action, gen, always)
bot.run()