"__file__" is not defined when packed up into a cython pyd

[John Mellencamp]

Good morning,

My name is Juan Cristóbal, from Spain.

We are packing up most of our libraries in python to a .pyd using cython 3.0.

Everything compiles ok and we are able to build up the dll/pyd.

But when importing the library, here comes trouble:

i get a "__file__" is not defined error.

We have lots of places where we use something like "os.path.dirname(__file__)" and alike.

My assumption is that the translated C __FILE__ works differently, which much probably be in use in the pyd.

My question is: is there an alternative to "__file__" and all the "inspect" module functions? (None of them are believed to be working in a Cython translated code).

We have many places in our code that make use of relative paths from a specific file.

So, using something like "__file__" but that works in a .pyd is more than welcome.

Thanks.

[da-woods]

In all cases, __file__ should work once module import has completed.

__file__ should work during module import provided you are using multi-phase 

init. That should be available on most recent versions of Python (>= 3.5). However, if may be turned off if you have manually set CYTHON_PEP489_MULTI_PHASE_INIT to 0 as part of your build process.

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[John Mellencamp]

thanks! it worked like a charm!