Merge pull request #628 from mkoeppe/pep517

pyproject.toml: New

Author: mattmilten

INSTALL.md

@@ -55,14 +55,6 @@ Building everything from source
 Recommended is to install in a virtual environment (e.g. `python3 -m venv <DIR_PATH>`).
 Please note that a globally installed version of PySCIPOpt on your machine might lead to problems.
 
-After setting up and activating your virtual environment (`source <DIR_PATH>/bin/activate`) make sure you have [Cython](http://cython.org/) installed, at least version 0.21
-
-    pip install cython
-
-Note you will also need the `wheel` package, which usually is already installed:
-
-    pip install wheel
-
 Furthermore, you need to have the Python
 development files installed on your system (error message "Python.h not
 found"):

pyproject.toml

@@ -0,0 +1,2 @@
+[build-system]
+requires = ['setuptools', 'cython <3, >=0.21']

setup.py

@@ -126,7 +126,6 @@
         "Topic :: Scientific/Engineering :: Mathematics",
     ],
     ext_modules=extensions,
-    install_requires=["wheel"],
     packages=["pyscipopt"],
     package_dir={"pyscipopt": packagedir},
     package_data={"pyscipopt": ["scip.pyx", "scip.pxd", "*.pxi"]},