test: test on windows

.github/workflows/ci.yaml

@@ -21,7 +21,7 @@ jobs:
       fail-fast: false
       matrix:
         python-version: ["3.8", "3.9", "3.10", "3.11"]
-        platform: [ubuntu-latest, macos-latest]
+        platform: [ubuntu-latest, macos-latest, windows-latest]
     steps:
       - uses: actions/checkout@v3
         with:

setup.py

@@ -1,16 +1,27 @@
+import os
+
 from ctypes import util
 
 from Cython.Build import cythonize
 from setuptools import setup
 from setuptools.extension import Extension
 
-libraries = ["scip"]
+libraries = ["libscip"] if os.name == "nt" else ["scip"]
+include_dirs = ['ilpy/impl']
+library_dirs = []
 compile_args = ["-O3", "-std=c++11", "-DHAVE_SCIP"]
 
+# include conda environment windows include/lib if it exists
+# this will be done automatically by conda build, but is useful if someone
+# tries to build this directly with pip install in a conda environment
+if os.name == "nt" and "CONDA_PREFIX" in os.environ:
+    include_dirs.append(os.path.join(os.environ["CONDA_PREFIX"], "Library", "include"))
+    library_dirs.append(os.path.join(os.environ["CONDA_PREFIX"], "Library", "lib"))
+
 # look for various gurobi versions, which are annoyingly
 # suffixed with the version number, and wildcards don't work
 for v in ["100"]:
-    GUROBI_LIB = f"gurobi{v}"
+    GUROBI_LIB = f"libgurobi{v}" if os.name == 'nt' else f"gurobi{v}"
     if (gurolib := util.find_library(GUROBI_LIB)) is not None:
         print("FOUND GUROBI library: ", gurolib)
         libraries.append(GUROBI_LIB)
@@ -38,8 +49,9 @@
                     'ilpy/wrapper.pyx',
                 ],
                 extra_compile_args=compile_args,
-                include_dirs=['ilpy/impl'],
+                include_dirs=include_dirs,
                 libraries=libraries,
+                library_dirs=library_dirs,
                 language='c++')
         ]),
         extras_require={