Hi

I tried since few days to install Nelli through various methods (napari, cmd etc), nothing works I always finish with this issue :

PS C:\Users\Nicolas Jolivet> python -m pip install nellie
Collecting nellie
Using cached nellie-0.4.1-py3-none-any.whl.metadata (13 kB)
Requirement already satisfied: numpy==1.26.4 in c:\users\nicolas jolivet\appdata\local\programs\python\python313\lib\site-packages (from nellie) (1.26.4)
Collecting scipy==1.12.0 (from nellie)
Using cached scipy-1.12.0.tar.gz (56.8 MB)
Installing build dependencies ... done
Getting requirements to build wheel ... done
Installing backend dependencies ... done
Preparing metadata (pyproject.toml) ... error
error: subprocess-exited-with-error

× Preparing metadata (pyproject.toml) did not run successfully.
│ exit code: 1
╰─> [47 lines of output]
+ meson setup C:\Users\Nicolas Jolivet\AppData\Local\Temp\pip-install-ljkmqvwl\scipy_b8c564b4f45f43fbba984191fcd7d6f6 C:\Users\Nicolas Jolivet\AppData\Local\Temp\pip-install-ljkmqvwl\scipy_b8c564b4f45f43fbba984191fcd7d6f6.mesonpy-ajr26tgh -Dbuildtype=release -Db_ndebug=if-release -Db_vscrt=md --native-file=C:\Users\Nicolas Jolivet\AppData\Local\Temp\pip-install-ljkmqvwl\scipy_b8c564b4f45f43fbba984191fcd7d6f6.mesonpy-ajr26tgh\meson-python-native-file.ini
The Meson build system
Version: 1.7.0
Source dir: C:\Users\Nicolas Jolivet\AppData\Local\Temp\pip-install-ljkmqvwl\scipy_b8c564b4f45f43fbba984191fcd7d6f6
Build dir: C:\Users\Nicolas Jolivet\AppData\Local\Temp\pip-install-ljkmqvwl\scipy_b8c564b4f45f43fbba984191fcd7d6f6.mesonpy-ajr26tgh
Build type: native build
Project name: scipy
Project version: 1.12.0
Activating VS 17.13.2
C compiler for the host machine: cl (msvc 19.43.34808 "Compilateur d'optimisation Microsoft (R) C/C++ versionÿ19.43.34808 pour x64")
C linker for the host machine: link link 14.43.34808.0
C++ compiler for the host machine: cl (msvc 19.43.34808 "Compilateur d'optimisation Microsoft (R) C/C++ versionÿ19.43.34808 pour x64")
C++ linker for the host machine: link link 14.43.34808.0
Cython compiler for the host machine: cython (cython 3.0.12)
Host machine cpu family: x86_64
Host machine cpu: x86_64
Program python found: YES (C:\Users\Nicolas Jolivet\AppData\Local\Programs\Python\Python313\python.exe)
Run-time dependency python found: YES 3.13
Program cython found: YES (C:\Users\Nicolas Jolivet\AppData\Local\Temp\pip-build-env-0_1jgb82\overlay\Scripts\cython.EXE)
Compiler for C supports arguments -Wno-unused-but-set-variable: NO
Compiler for C supports arguments -Wno-unused-function: NO
Compiler for C supports arguments -Wno-conversion: NO
Compiler for C supports arguments -Wno-misleading-indentation: NO
Library m found: NO

  ..\meson.build:80:0: ERROR: Unknown compiler(s): [['ifort'], ['gfortran'], ['flang-new'], ['flang'], ['pgfortran'], ['g95']]
  The following exception(s) were encountered:
  Running `ifort --help` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `ifort --version` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `ifort -V` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `gfortran --help` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `gfortran --version` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `gfortran -V` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `flang-new --help` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `flang-new --version` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `flang-new -V` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `flang --help` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `flang --version` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `flang -V` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `pgfortran --help` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `pgfortran --version` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `pgfortran -V` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `g95 --help` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `g95 --version` gave "[WinError 2] Le fichier spécifié est introuvable"
  Running `g95 -V` gave "[WinError 2] Le fichier spécifié est introuvable"

  A full log can be found at C:\Users\Nicolas Jolivet\AppData\Local\Temp\pip-install-ljkmqvwl\scipy_b8c564b4f45f43fbba984191fcd7d6f6\.mesonpy-ajr26tgh\meson-logs\meson-log.txt
  [end of output]

note: This error originates from a subprocess, and is likely not a problem with pip.
error: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.

I wish to mention that I'm not Highly familar with the development tools, but It seems that the metadata utilisation/reading/extraction seems to be a problemes. Is there any solution?

Thank you

NJ