Including cpp/hpp source from separate module

[Casper van Elteren]

Hi,

I have built a module with several moving parts and I wanted to reuse some of the code in a new module.

I have the following situation
.
├── module
│   └── lib
│       ├── some_file.cpp
│       └── some_file.hpp
└── setup.py

This module builds fine and is installed in `site-packages` and I can see that the source files .cpp and .hpp are included. However, wen building a separate packages of which ^ is a submodule, it cannot find the respective headers

That is

.
└── module2
    ├── lib
    ├── module
    │   ├── module
    │   │   └── lib
    │   │       ├── some_file.cpp
    │   │       └── some_file.hpp
    │   └── setup.py
    ├── setup.py
    └── src

module 2 reads from the directory structure that is referred to as module/lib/some_file.hpp but installed; the submodule however is at module2/module/module/lib/

How can one share these definitions in cython?

[Stefan Behnel]

Casper van Elteren schrieb am 02.06.21 um 14:53:

I'm not sure I understand the second layout. Why are there two packages?
Why are they nested? Why do they need to know about each other?

> How can one share these definitions in cython?

Is there a way for you to adhere to a Python package layout? That usually
resolves such issues.

Stefan

[Casper van Elteren]

Hi Stefan,

I ended up figuring it out. I had to write a proper include to the already installed function. After adding the data files (i.e. the header files) and writing an include function a la numpy, it all started working nicely.

Best wishes,

C

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