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Subject:	Re: Change in behavior (bug) in ctypes
To:	cygwin AT cygwin DOT com
References:	<57752727 DOT 9070706 AT gmail DOT com>
From:	Marco Atzeri <marco DOT atzeri AT gmail DOT com>
Message-ID:	<40f4c48b-ce42-1250-cf3f-784c10af7718@gmail.com>
Date:	Thu, 30 Jun 2016 16:31:27 +0200
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On 30/06/2016 16:05, Marvin Greenberg wrote:
> Code like this was working until sometime recently,
>
> $ python
>>>> import ctypes
>>>> cygdll = ctypes.cdll.cygwin1
>

>
> $  python -c "import ctypes; print ctypes._dlopen('cygwin1')"; cygcheck
> -V; python -V
> Traceback (most recent call last):
>   File "<string>", line 1, in <module>
> OSError: No such file or directory
> cygcheck (cygwin) 2.5.2
> System Checker for Cygwin  ...<snip>
> Python 2.7.10
>
> Note that simply changing the call to explicitly append the dll
> extension works fine:
>
> $  python -c "import ctypes; print ctypes._dlopen('cygwin1.dll')"
> 6442713088
>
> But that won't work with the former attribute-style of loading the dll.
>

No assumption on default extension

https://cygwin.com/ml/cygwin/2016-06/msg00379.html



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