[issue6045] Fix dbm interfaces

[Georg Brandl]

New submission from Georg Brandl <georg at python.org>:

All the dbm.* modules currently have different interfaces, and different
levels of supporting the Python3-style dictionary interface -- while the
docs claim they all have (most of) the dict interface.

For example, both dbm.gnu and dbm.ndbm only have keys() methods, and
they return a list.  Etc. for other dict-style methods.

So, either we remove the claim that they have a dict-style interface
beyond __*item__() and keys(), or we do something about it.

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components: Library (Lib)
messages: 87968
nosy: georg.brandl
priority: release blocker
severity: normal
stage: needs patch
status: open
title: Fix dbm interfaces
type: behavior
versions: Python 3.1

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue6045>
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