Re: [ctypes-users] Loading a dll file on a Unix computer

[Diez B. R. <de...@we...>]

Hi,

while the error-message looks like it could be a path-problem for now, eventually this is bound to fail - you can’t use DLLs built for windows under Unix. At least not just like this.

If you can’t use windows, you could try WINE & a Windows-Python. No idea how easy/good that works though.

Diez


> On 18 Jul 2016, at 21:26, kristine l <per...@gm...> wrote:
> 
> Hi guys!
> 
> I am trying to load the '__CLDevIFace.dll' library found on this page:
> 
> https://github.com/charlie1kimo/Zygo/tree/master/wave_meter_wrapper <https://github.com/charlie1kimo/Zygo/tree/master/wave_meter_wrapper>
> 
> to communicate with a Bristol 621 wavemeter. I would be doing this on a Unix computer, and each time I try to run:
> 
> """
> from ctypes import *
> dll = cdll.LoadLibrary('__CLDevIFace.dll')
> """
> 
> It gives me the error:
> 
> Traceback (most recent call last):
>   File "<stdin>", line 1, in <module>
>   File "/usr/lib/python2.7/ctypes/__init__.py", line 443, in LoadLibrary
>     return self._dlltype(name)
>   File "/usr/lib/python2.7/ctypes/__init__.py", line 365, in __init__
>     self._handle = _dlopen(self._name, mode)
> OSError: __CLDevIFace.dll: cannot open shared object file: No such file or directory
> 
> 
> 
> I have no idea where to go from here, and the tutorial on the ctypes package is not helping me.
> 
> Thanks for any help!
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