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[BUG]: cython files packaged as part of the wheel #766
Description
Is this a duplicate?
- I confirmed there appear to be no duplicate issues for this bug and that I agree to the Code of Conduct
Type of Bug
Something else
Component
cuda.bindings
Describe the bug
After installing wheel I have cpp, pxd, pyx files in the module install folder, however those are not needed to be a part of wheel package. Fragment from RECORD file:
cuda/bindings/_internal/nvjitlink.cpp,sha256=KXw9hS9ZRSeEcL1kJeksSsWIlkndKAtCAHg7l28tqa4,497706
cuda/bindings/_internal/nvjitlink.cpython-311-x86_64-linux-gnu.so,sha256=ydsDbbnSHaFrbeBFqn4r8IX_nBeCpd2oFBTiTKJuIu0,78144
cuda/bindings/_internal/nvjitlink.pxd,sha256=j0NrfgZYIeZ68_X7i2yoP1kpdIPSXk6mKHI8kZstzz4,2435
cuda/bindings/_internal/nvjitlink.pyx,sha256=kAS0RP2J7wczkWNHEphsvry7TsVg6JzARovPUIGTRIc,15947
cuda/bindings/_internal/nvjitlink_linux.pyx,sha256=kAS0RP2J7wczkWNHEphsvry7TsVg6JzARovPUIGTRIc,15947
cuda/bindings/_internal/nvjitlink_windows.pyx,sha256=J8TvJ00LYlBdnQrkmYvix5pG1iJXd8qApz7ogkpVK90,15253
How to Reproduce
Install wheel from pypi
Expected behavior
Only .so files should end up in the wheel. .pxd and .pyx should end up in sdist. .cpp should be ignored in both cases.
Operating System
No response
nvidia-smi output
No response
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leofang commentedon Jul 19, 2025
"It's not a bug, it's a feature!" 😆
Joke aside, as discussed in an internal thread, this happens to several Python projects too. We should purge source files from wheels indeed (except for .pxd files).
xref cupy/cupy#9226
ZzEeKkAa commentedon Feb 5, 2026
Correction to the original issue:
.pxdfiles must be presented in the wheel, so they can be later reused.The issue was partially targeted here: #1578
Andy-Jost commentedon Feb 9, 2026
.pxifiles are also needed (included from.pxd)