Claudiu.Popa added the comment:
Attached patch checks that the db is actually closed after the `with`. Also, I
noticed that dbm.dumb doesn't behave like the rest of the variants, as seen in
the following:
>>> import dbm.dumb as d
>>> db = d.open('test.dat', 'c')
>>> db.close()
>>> db.keys()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/tank/libs/cpython/Lib/dbm/dumb.py", line 212, in keys
return list(self._index.keys())
AttributeError: 'NoneType' object has no attribute 'keys'
>>>
vs
>>> import dbm.gnu as g
>>> db = g.open('test.dat', 'c')
>>> db.close()
>>> db.keys()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
_gdbm.error: GDBM object has already been closed
>>>
----------
Added file: http://bugs.python.org/file32215/dbm1.patch
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<http://bugs.python.org/issue19282>
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