Start to simplify setup.py

pyproject.toml

@@ -12,7 +12,6 @@ authors = [
 ]
 dependencies = [
     "fluiddyn >= 0.2.3",
-    "mpi4py",
     "transonic >= 0.4",
 ]
 requires-python = ">= 3.9"

setup.py

@@ -1,4 +1,3 @@
-from runpy import run_path
 from pathlib import Path
 import sys
 
@@ -14,32 +13,14 @@
 )
 from setup_build import FluidFFTBuildExt
 
-# Get the long description from the relevant file
-with open("README.rst") as file:
-    lines = file.readlines()
-for i, line in enumerate(lines):
-    if line.endswith(":alt: Code coverage\n"):
-        iline_coverage = i
-        break
-long_description = "".join(lines[iline_coverage + 2 :])
-
-# Get the version from the relevant file
-d = run_path("src/fluidfft/_version.py")
-__version__ = d["__version__"]
-
-# Set setup_requires and install_requires depending on the configuration
-install_requires = ["fluiddyn >= 0.2.3", "transonic >= 0.4"]
+# Set setup_requires depending on the configuration
 setup_requires = []
 setup_requires.extend(build_dependencies_backends[TRANSONIC_BACKEND])
 if build_needs_mpi4py:
     setup_requires.append("mpi4py")
-    install_requires.append("mpi4py")
 
 setup(
-    version=__version__,
-    long_description=long_description,
     setup_requires=setup_requires,
-    install_requires=install_requires,
     # To trick build into running build_ext (taken from h5py)
     ext_modules=[Extension("trick.x", ["trick.c"])],
     cmdclass={"build_ext": FluidFFTBuildExt},