the new way to get cython/C include paths

Author: dimpase

pyproject.toml

@@ -4,7 +4,6 @@ requires = [
     'pkgconfig',
     'cython >=3.0, != 3.0.3, <4.0',
     'cysignals >=1.10.2',
-    'sagemath-environment',
-    'sagemath-categories',
+    'sagemath',
 ]
 build-backend = "setuptools.build_meta"

setup.py

@@ -9,7 +9,7 @@
 from Cython.Build import cythonize
 from Cython.Compiler.Errors import CompileError
 from codecs import open # To open the README file with proper encoding
-from sage.env import sage_include_directories
+from sage.config import get_include_dirs
 
 # For the tests
 class SageTest(TestCommand):
@@ -52,7 +52,7 @@ def readfile(filename):
                          sources=[os.path.join('sage_numerical_backends_coin',
                                     'coin_backend.pyx')],
                          libraries=cbc_libs,
-                         include_dirs=sage_include_directories() + cbc_include_dirs,
+                         include_dirs=list(map(str, get_include_dirs())) + cbc_include_dirs,
                          library_dirs=cbc_library_dirs,
                          extra_compile_args=['-std=c++11'])
     ]
@@ -63,7 +63,7 @@ def readfile(filename):
 
 if any(x in sys.argv
        for x in ['build', 'build_ext', 'bdist_wheel', 'install']):
-    ext_modules = cythonize(ext_modules, include_path=sys.path,
+    ext_modules = cythonize(ext_modules, include_path=list(map(str, get_include_dirs())) + sys.path,
                             compile_time_env=compile_time_env)
 
 setup(