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CRPropa / CRPropa3

CRPropa is a public astrophysical simulation framework for propagating extraterrestrial ultra-high energy particles. https://crpropa.github.io/CRPropa3/
https://crpropa.desy.de
GNU General Public License v3.0
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Compatibility with newer Python versions #457

Closed rafaelab closed 9 months ago

rafaelab commented 1 year ago

Several features have been deprecated in newer Python versions, especially after 3.10. Packages like distutils and pkg_resources some packages are no longer supported. This PR adds support for these new Python releases. It also changes the default python finder to CMake's for Python3.12+. It remove some cmake-related warnings (on newer cmake versions).

lukasmerten commented 1 year ago

Hi @rafaelab This PR seems to break the MacOS test, which might be related to an old set up of the test runner. Since I have no access to a Mac it woul be good if you either update the macos test or someone, e.g., @sophieaerdker, @LeanderSchlegel or any other mac user can confirm that this PR does compile on more recent macos versions.

lukasmerten commented 1 year ago

As discussed: Please double check if we need matplotlib. Otherwise we can remove the checks for this libraray.

lukasmerten commented 1 year ago

I can also confirm that the magnetic lens errors seems to be fixed on: Debian 12 CMake 3.25.1 gcc 12.2 python 3.9.2

lukasmerten commented 11 months ago

@rafaelab from my point of view you can go ahead and merge. @sophieaerdker confirmed that on a newer macOS system the installation just works as expected. If you want to take a look at the matplotlib lib first, that's also fine for me.

@JulienDoerner is looking into updating the macOS github action, but that might take a while.

rafaelab commented 11 months ago

I will check the matplotlib thing soon, before merging it. Also, the OSX tests are not passing and I'd like to take a closer look.

lukasmerten commented 11 months ago

To me it looks like a lot of the problems we are having arise from supporting too old cmake versions.

If we could agree to have the minimum cmake version as 3.14, we could drastically reduce the code of CMakeLists and python.cmake and checkNumpy.py could very likely be removed completely.

Any opinions on that?

JulienDoerner commented 11 months ago

I am always using cmake versions much newer than 3.14, so setting this as a requirement would be fine for me.

rafaelab commented 11 months ago

I agree, @lukasmerten. Also, if someone has some older CMake version, it is one of the easiest things to update in a system. Therefore, should we proceed with that? If so, I will implement the changes next week.

lukasmerten commented 11 months ago

From my side, you, @rafaelab, have a go for implementing the switch to cmake version >= 14

rafaelab commented 11 months ago

This PR should remain on hold a bit longer. I think I'm on to something (related to the lenses problem) and it is directly related to the way we compile the code and link it to Python. Now I managed to make it work on OSX, but I broke it for Ubuntu. I will let you know when it is ready for review.

rafaelab commented 9 months ago

Superseded by #466.