Cannot install nnmnkwii because of cythonizing error

[taroushirani]

I failed to install nnmnkwii which is the HEAD version of master branch because cnp.int_t in nnmnkwii/paramgan/_bandmat/misc.pyx is invalid type when cythonizing. I'm afraid that it came from the API incompatibility between numpy 2.0.0 and that of older versions.

environment: Debian 12.5(WSL2)
python version: 3.11.2
numpy version: 2.0.0
cython version: 3.0.10

nnmnkwii_install.log

[amenomori]

Same problem here. A little refactor may help this.

[haruki-N]

While preparing the environment for REMDIS, I got the same error.

environment: M2 mac
python: 3.11.9
The versions of the packages follow the requirements.txt of REMDIS.
(numpy: 1.26.4, cython: 3.0.8)

[r9y9]

shouldn't be that hard to fix cython code for numpy 2.0.0, but the easiest fix is to use numpy <2.0.0 for now

[phypan11]

I tried to lower numpy/scipy/cython versions. Even python version. All failed..I don't know why.
I tried numpy 1.20-1.25, scipy 1.10-1.12, cython 0.29-3.0
python 3.9-3.12
All failed.

Cython.Compiler.Errors.CompileError: nnmnkwii/paramgen/_bandmat/misc.pyx

def fancy_plus_equals(cnp.ndarray[cnp.int_t, ndim=1] target_index_seq,
^
------------------------------------------------------------

  nnmnkwii/paramgen/_bandmat/misc.pyx:16:38: Invalid type.

[personabb]

I was able to install it using the link below.
https://github.com/decfrr/nnmnkwii/tree/decfrr/fix-numpy-version

git clone -b decfrr/fix-numpy-version https://github.com/decfrr/nnmnkwii.git
cd nnmnkwii
pip install -e .

Thank you, @decfrr.

[phypan11]

Above worked for me too. Thank you, @decfrr @personabb

[r9y9]

I'll keep this issue open until I make a new release.

[francampillo]

Do you have some estimation of when you might make the new release including this change?
Thank you very much in advance...

[r9y9]

I'll work on it this weekend

[francampillo]

@r9y9 Thank you very much! :))

[r9y9]

fixed by https://github.com/r9y9/nnmnkwii/releases/tag/v0.1.3

let me know if the problem persists

[francampillo]

@r9y9 All working now. Thank you very much!