Bugs item #1949476, was opened at 2008-04-23 05:09 Message generated for change (Comment added) made by russblau You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=603138&aid=1949476...
Please note that this message will contain a full copy of the comment thread, including the initial issue submission, for this request, not just the latest update. Category: None Group: None Status: Open Resolution: None Priority: 5 Private: No Submitted By: NicDumZ — Nicolas Dumazet (nicdumz) Assigned to: Nobody/Anonymous (nobody)
Summary: PreloadingGenerator does not set editRestriction
Initial Comment: I realized that sometimes, in blockpageschecker.py, someTotalProtectedPage.canBeEdited() would wrongly return True (I have no sysop account, hence on every [edit=sysop] protected page, it should return False)
I first tried the single canBeEdited() on that total protected page :
import wikipedia; s = wikipedia.Site('fr', 'wikipedia'); protectedpage = wikipedia.Page(s, 'Zentrum')
Checked for running processes. 1 processes currently running, including the current process.
protectedpage.canBeEdited()
Getting 1 pages from wikipedia:fr... False
Which is fine.
However :
import wikipedia; s = wikipedia.Site('fr', 'wikipedia'); protectedpage = wikipedia.Page(s, 'Zentrum')
Checked for running processes. 1 processes currently running, including the current process.
import pagegenerators; gen = pagegenerators.PreloadingGenerator([protectedpage]) for p in gen : print p.canBeEdited()
... Getting 1 pages from wikipedia:fr... True
protectedpage.canBeEdited()
True
Which is wrong.
I then thought then calling canBeEdited on a total protected page from PreloadingGenerator would _every_time_ return wrongly True, but I was wrong :
import wikipedia; s = wikipedia.Site('en', 'wikipedia'); protectedpage = wikipedia.Page(s, 'Wikipedia:site support')
Checked for running processes. 1 processes currently running, including the current process.
import pagegenerators; gen = pagegenerators.PreloadingGenerator([protectedpage]) for p in gen : print p.canBeEdited()
... Getting 1 pages from wikipedia:en... False
So apparently, in some special cases, calling canBeEdited on a total protected page from PreloadingGenerator returns True. However I have not been able to find *when* exactly this happens.
Any thoughts ?
PS : An easy fix for this is to get rid of the current implementation of canBeEdited, to use instead the new getRestrictions using the API (getRestrictions()['edit']). But we should find out what is happenning here, since we might miss something important.
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Comment By: Russell Blau (russblau)
Date: 2008-04-23 10:47
Message: Logged In: YES user_id=855050 Originator: NO
The reason for this is that PreloadingGenerator calls wikipedia.getAll(), which uses the wiki's [[Special:Export]] page to retrieve the page(s); the data structure returned by [[Special:Export]] does not include the protection status, so it is impossible to determine whether a preloaded page is protected. The only way I can see to fix this within the existing framework is to have canBeEdited() call self.get(force=True) instead of just self.get(), but that would completely defeat the purpose of preloading the pages. The other alternative is your suggestion of using the API, but this would break backwards-compatibility for many wiki families, and I think that is better addressed in the rewrite branch.
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