Bug 392059 – sys-apps/portage-2.1.10.19 and 2.2.0_alpha59: KeyError in _get_dep_chain

• Status: RESOLVED FIXED
• Product: Gentoo Linux

[Description Mathias 2011-11-27 07:38:35 UTC]

Traceback (most recent call last):
  File "/usr/bin/emerge", line 43, in <module>
    retval = emerge_main()
  File "/usr/lib/portage/pym/_emerge/main.py", line 2032, in emerge_main
    myopts, myaction, myfiles, spinner)
  File "/usr/lib/portage/pym/_emerge/actions.py", line 306, in action_build
    mydepgraph.display_problems()
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 6183, in display_problems
    self._display_problems()
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 6211, in _display_problems
    self._display_autounmask()
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 5862, in _display_autounmask
    unstable_keyword_msg[root].append(self._get_dep_chain_as_comment(pkg))
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 2903, in _get_dep_chain_as_comment
    dep_chain = self._get_dep_chain(pkg, unsatisfied_dependency=unsatisfied_dependency)
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 2818, in _get_dep_chain
    for priority in self._dynamic_config.digraph.nodes[node][0][child]:
KeyError: <_emerge.Package.Package object at 0xc189934>


Reproducible: Always

Steps to Reproduce:
1. emerge -puD world
2. wait until finish
3. emerge works but error message is displayed on exit
Actual Results:  
For more information, see MASKED PACKAGES section in the emerge man
page or refer to the Gentoo Handbook.

Traceback (most recent call last):
  File "/usr/bin/emerge", line 43, in <module>
    retval = emerge_main()
  File "/usr/lib/portage/pym/_emerge/main.py", line 2032, in emerge_main
    myopts, myaction, myfiles, spinner)
  File "/usr/lib/portage/pym/_emerge/actions.py", line 306, in action_build
    mydepgraph.display_problems()
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 6183, in display_problems
    self._display_problems()
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 6211, in _display_problems
    self._display_autounmask()
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 5862, in _display_autounmask
    unstable_keyword_msg[root].append(self._get_dep_chain_as_comment(pkg))
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 2903, in _get_dep_chain_as_comment
    dep_chain = self._get_dep_chain(pkg, unsatisfied_dependency=unsatisfied_dependency)
  File "/usr/lib/portage/pym/_emerge/depgraph.py", line 2818, in _get_dep_chain
    for priority in self._dynamic_config.digraph.nodes[node][0][child]:
KeyError: <_emerge.Package.Package object at 0xc189934>

Expected Results:  
no error message

[Comment 1 Zac Medico 2011-11-27 20:04:49 UTC]

It seems to be a regression from the commit for bug 375265:

http://git.overlays.gentoo.org/gitweb/?p=proj/portage.git;a=commit;h=57cc4e3e8991e7c4394d1dff7698aa62ed2a286b

[Comment 2 Zac Medico 2011-11-27 21:02:52 UTC]

This is fixed in git:

http://git.overlays.gentoo.org/gitweb/?p=proj/portage.git;a=commit;h=ee441f2c5358656f2f404f65f8e4d4972ac6daf8

[Comment 3 Zac Medico 2011-11-27 21:41:02 UTC]

This is fixed in 2.1.10.39 and 2.2.0_alpha79.