[IronPython] very strange dictionnary bug
Stanislas Pinte
stan at ertmssolutions.com
Fri Aug 18 16:37:53 CEST 2006
By the way, the environment in which the bug shows up is
single-threaded, so I do not suspect any concurrent access problem.
Stan.
Stanislas Pinte a écrit :
> Hello,
>
> We are just seeing a very strange bug in the following code:
>
> myDictionnary = {}
> .
> for key in myDictionnary.keys():
> assert myDictionnary.has_key(key) --> throw AssertionError
>
> this is fixed by the following change:
>
> for key, value in myDictionnary.iteritems():
> ...
>
> Ever seen this?
>
> Too bad I cannot reproduce this...a very simple test case like the one
> below doesn't do the trick...
>
> thanks,
>
> Stan.
>
> [sim-ironpython]> ironpython/ipy.exe
> IronPython 1.0.60816 on .NET 2.0.50727.42
> Copyright (c) Microsoft Corporation. All rights reserved.
>>>> a = {"one": 1, "two": 2, "three": 3}
>>>> a["one"]
> 1
>>>> a.pop("one")
> 1
>>>> a
> {'two': 2, 'three': 3}
>>>> a.keys()
> ['two', 'three']
>>>> for k in a.keys():
> . print k
> .
> two
> three
>
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