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| author | Zac Medico <zmedico@gentoo.org> | 2011-03-16 22:36:33 -0700 |
|---|---|---|
| committer | Zac Medico <zmedico@gentoo.org> | 2011-03-18 12:49:35 -0700 |
| commit | 5c1e74b2d9a68eb97557c76859bcdc74675d03d7 (patch) | |
| tree | 836a6f272d7f43d64a375efc7bc889a0b7852f68 /pym/_emerge/AsynchronousTask.py | |
| parent | 2b4d81caa05f5cb5aaf231ca25573c5547583c38 (diff) | |
| download | portage-5c1e74b2d9a68eb97557c76859bcdc74675d03d7.tar.gz portage-5c1e74b2d9a68eb97557c76859bcdc74675d03d7.tar.bz2 portage-5c1e74b2d9a68eb97557c76859bcdc74675d03d7.zip | |
AsynchronousTask: add _cancel template method
Diffstat (limited to 'pym/_emerge/AsynchronousTask.py')
| -rw-r--r-- | pym/_emerge/AsynchronousTask.py | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/pym/_emerge/AsynchronousTask.py b/pym/_emerge/AsynchronousTask.py index 1918b839b..de0080042 100644 --- a/pym/_emerge/AsynchronousTask.py +++ b/pym/_emerge/AsynchronousTask.py @@ -1,4 +1,4 @@ -# Copyright 1999-2009 Gentoo Foundation +# Copyright 1999-2011 Gentoo Foundation # Distributed under the terms of the GNU General Public License v2 from _emerge.SlotObject import SlotObject @@ -45,8 +45,17 @@ class AsynchronousTask(SlotObject): return self.returncode def cancel(self): - self.cancelled = True - self.wait() + if not self.cancelled: + self.cancelled = True + self._cancel() + self.wait() + + def _cancel(self): + """ + Subclasses should implement this, as a template method + to be called by AsynchronousTask.cancel(). + """ + pass def addStartListener(self, f): """ |