** Changed in: software-center (Ubuntu)
Status: In Progress => Fix Committed
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https://bugs.launchpad.net/bugs/999486
Title:
AttributeError: 'NoneType' object has no attribute '__contains__' when
clicking the All Software button
Status in “software-center” package in Ubuntu:
Fix Committed
Bug description:
Software Center 5.2.1, Ubuntu 10.04
When testing the fix for a similar crash in bug 920196, I found that
even with that fix I was able to cause a (different) crash by
repeatedly clicking the "All Software" button while Software Center is
starting up.
The stacktrace is shown below.
TEST CASE:
1. open stock software-center
2. click on the "All Software" button very quickly while the main page is
still loading
3. verify that there is a traceback (note that this does not happen always,
just most of the time)
4. use the fixed version from -proposed
5. verify that (2) no longer produces the following (or any) traceback
Traceback (most recent call last):
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/db/enquire.py",
line 115, in _get_estimate_nr_apps_and_nr_pkgs
tmp_matches = enquire.get_mset(0, len(self.db), None, xfilter)
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/db/appfilter.py",
line 89, in __call__
if (not pkgname in self.cache and
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/db/pkginfo_impl/aptcache.py",
line 263, in __contains__
return self._cache.__contains__(k)
AttributeError: 'NoneType' object has no attribute '__contains__'
Traceback (most recent call last):
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/ui/gtk3/panes/viewswitcher.py",
line 149, in config_view
pane = vm.set_active_view(view_id)
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/ui/gtk3/session/viewmanager.py",
line 149, in set_active_view
view_widget.init_view()
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/ui/gtk3/panes/availablepane.py",
line 168, in init_view
self.apps_filter)
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/ui/gtk3/views/catview_gtk.py",
line 240, in __init__
self.build(desktopdir)
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/ui/gtk3/views/catview_gtk.py",
line 492, in build
self._build_homepage_view()
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/ui/gtk3/views/catview_gtk.py",
line 267, in _build_homepage_view
self._append_top_rated()
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/ui/gtk3/views/catview_gtk.py",
line 404, in _append_top_rated
top_rated_cat = self._update_top_rated_content()
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/ui/gtk3/views/catview_gtk.py",
line 391, in _update_top_rated_content
docs = top_rated_cat.get_documents(self.db)
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/db/categories.py",
line 124, in get_documents
nonblocking_load=False)
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/db/enquire.py",
line 317, in set_query
self._blocking_perform_search()
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/db/enquire.py",
line 212, in _blocking_perform_search
matches = enquire.get_mset(0, self.limit, None, xfilter)
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/db/appfilter.py",
line 89, in __call__
if (not pkgname in self.cache and
File
"/home/tremolux/Projects/precise/software-center_fix_crash_lp920196/5.2/softwarecenter/db/pkginfo_impl/aptcache.py",
line 263, in __contains__
return self._cache.__contains__(k)
AttributeError: 'NoneType' object has no attribute '__contains__'
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