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author | Georg Brandl <georg@python.org> | 2009-06-04 09:30:30 (GMT) |
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committer | Georg Brandl <georg@python.org> | 2009-06-04 09:30:30 (GMT) |
commit | 1158a33fab14fe0522dd5ebc753c573369652eff (patch) | |
tree | 4e163616865a7559e94587f62f8976673c678d02 /Doc/library/weakref.rst | |
parent | b54d801280e3f510782e2855504710947d10f053 (diff) | |
download | cpython-1158a33fab14fe0522dd5ebc753c573369652eff.zip cpython-1158a33fab14fe0522dd5ebc753c573369652eff.tar.gz cpython-1158a33fab14fe0522dd5ebc753c573369652eff.tar.bz2 |
#3791: remove last traces of bsddb.
Diffstat (limited to 'Doc/library/weakref.rst')
-rw-r--r-- | Doc/library/weakref.rst | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/Doc/library/weakref.rst b/Doc/library/weakref.rst index 3681d81..0f3ebe6 100644 --- a/Doc/library/weakref.rst +++ b/Doc/library/weakref.rst @@ -59,9 +59,8 @@ is exposed by the :mod:`weakref` module for the benefit of advanced uses. Not all objects can be weakly referenced; those objects which can include class instances, functions written in Python (but not in C), instance methods, sets, -frozensets, file objects, :term:`generator`\s, type objects, :class:`DBcursor` -objects from the :mod:`bsddb` module, sockets, arrays, deques, and regular -expression pattern objects. +frozensets, file objects, :term:`generator`\s, type objects, sockets, arrays, +deques, and regular expression pattern objects. Several builtin types such as :class:`list` and :class:`dict` do not directly support weak references but can add support through subclassing:: |