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| author | Zac Medico <zmedico@gentoo.org> | 2008-06-24 22:30:48 +0000 |
|---|---|---|
| committer | Zac Medico <zmedico@gentoo.org> | 2008-06-24 22:30:48 +0000 |
| commit | 7c026742048b7b148457f5dcd858b618bf1cad15 (patch) | |
| tree | 6eeaf6aa8af74e3af2df1bfbc17f0dbbbae89220 | |
| parent | 433f8f082c888376aa6496959f329c2439fb9221 (diff) | |
| download | portage-7c026742048b7b148457f5dcd858b618bf1cad15.tar.gz portage-7c026742048b7b148457f5dcd858b618bf1cad15.tar.bz2 portage-7c026742048b7b148457f5dcd858b618bf1cad15.zip | |
Use weakref.WeakValueDictionary to make cached Atom instances eligible for
garbage collection when no strong references remain.
svn path=/main/trunk/; revision=10772
| -rw-r--r-- | pym/portage/dep.py | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/pym/portage/dep.py b/pym/portage/dep.py index 3d3b5d954..41d6b128b 100644 --- a/pym/portage/dep.py +++ b/pym/portage/dep.py @@ -19,6 +19,7 @@ # import re, sys, types +import weakref from itertools import chain import portage.exception from portage.exception import InvalidData, InvalidAtom @@ -412,7 +413,7 @@ class Atom(object): """ __metaclass__ = _AtomCache - _atoms = {} + _atoms = weakref.WeakValueDictionary() _str_methods = ("endswith", "find", "index", "lstrip", "replace", "startswith", "strip", "rindex", "rfind", "rstrip", "__getitem__", |