Re: [Pytables-users] New find_library('hdf5dll.dll') call fails in frozen app

[Stuart M. <Stu...@ob...>]

> Hi Stuart,
>
> Il 27/08/2012 17:43, Stuart Mentzer ha scritto:
>> Hello,
>>
>> I upgraded to PyTables 2.4.0 and I was "freezing" an application on Windows with PyInstaller. The frozen app fails at this new find_library call in __init__.py:
>>
>>        if not ctypes.util.find_library('hdf5dll.dll'):
>>            raise ImportError('Could not load "hdf5dll.dll", please ensure' +
>>                    ' that it can be found in the system path')
>>
>> PyInstaller correctly places this DLL in the same directory as the application .exe where standard Windows DLL search logic will find it. Apparently the find_library doesn't do that in a frozen application. That is a big problem. I had to comment this code out to get a working frozen app.
>>
>> That code was added in revision e9f6919.
>>
> It is mainly a sanity check added under request of one of our users:
> https://github.com/PyTables/PyTables/pull/146
>
>
>> This is on Windows 7 64-bit with a 32-bit Python toolchain. Trying both PyInstaller 1.5.1 and 2.0.
>>
>> Should I file a bug report? Any easy work-around?
>>
>> Thanks,
>> Stuart
>>
> Yes please file a pull request with your patch.
> It would be nice to preserve the sanity check in standard case so,
> maybe, a good solution could be adding some check on sys.frozen or
> something like that.
>
> Thank you
Antonio,

Thanks for the quick response.

To save time I did the report as a simple Issue (https://github.com/PyTables/PyTables/issues/177) showing the patch code that preserves  and with a reference to #146. I hope that suffices.

Stuart