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[Bug 834168] [NEW] Segfault with creating custom widgets through GtkBuilder

 

Public bug reported:

Current ubiquity crashes when running under pygobject 2.90. Easy local
reproducer in a built ubiquity tree is:

$ GI_TYPELIB_PATH=src/webcam PYTHONPATH=. python -c 'from gi.repository
import Gtk; import ubiquity.gtkwidgets; b=Gtk.Builder();
b.add_from_file("gui/gtk/stepPrepare.ui")'

I bisected this to
http://git.gnome.org/browse/pygobject/commit/?id=7bc4122897, which
explains why it works in the pygobject-2-28 branch (as this commit got
reverted there to not break the pygtk ABI).

This might be a bug in GTK3's image builder or pygobject itself.

** Affects: pygobject (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/834168

Title:
  Segfault with creating custom widgets through GtkBuilder

Status in “pygobject” package in Ubuntu:
  New

Bug description:
  Current ubiquity crashes when running under pygobject 2.90. Easy local
  reproducer in a built ubiquity tree is:

  $ GI_TYPELIB_PATH=src/webcam PYTHONPATH=. python -c 'from
  gi.repository import Gtk; import ubiquity.gtkwidgets; b=Gtk.Builder();
  b.add_from_file("gui/gtk/stepPrepare.ui")'

  I bisected this to
  http://git.gnome.org/browse/pygobject/commit/?id=7bc4122897, which
  explains why it works in the pygobject-2-28 branch (as this commit got
  reverted there to not break the pygtk ABI).

  This might be a bug in GTK3's image builder or pygobject itself.

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