Author: Armin Rigo <ar...@tunes.org>
Branch: mapdict-interp
Changeset: r44254:e3248082e8ef
Date: 2011-05-17 17:26 +0200
http://bitbucket.org/pypy/pypy/changeset/e3248082e8ef/
Log: Add a comment.
diff --git a/pypy/objspace/std/mapdict.py b/pypy/objspace/std/mapdict.py
--- a/pypy/objspace/std/mapdict.py
+++ b/pypy/objspace/std/mapdict.py
@@ -807,6 +807,11 @@
map = w_obj._get_mapdict_map()
if map is None or isinstance(map.terminator, DevolvedDictTerminator):
return
+ # We know here that w_obj.getdictvalue(space, name) just returned None,
+ # so the 'name' is not in the instance. We repeat the lookup to find it
+ # in the class, this time taking care of the result: it can be either a
+ # quasi-constant class attribute, or actually a TypeCell --- which we
+ # must not cache. (It should not be None here, but you never know...)
assert space.config.objspace.std.withmethodcache
_, w_method = w_type._pure_lookup_where_with_method_cache(name,
version_tag)
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