fixup! fixup! exp: tentative fixup

Author: neutrinoceros

setup.py

@@ -70,10 +70,26 @@ def run(self):
                         print('clean: skipping file {!r}'.format(artifact))
 
 class BuildExt(build_ext):
-    def finalize_options(self) -> None:
-        super().finalize_options()
-        for ext in self.extensions:
-            ext.py_limited_api = USE_PY_LIMITED_API
+    def run(self):
+        if not any([arg in CMDS_NOCYTHONIZE for arg in sys.argv]):
+            # See https://github.com/Unidata/cftime/issues/91
+            self.extensions = self.distribution.ext_modules = []
+            return
+    
+        self.extensions = self.distribution.ext_modules = cythonize(
+            Extension(
+                f'{NAME}._{NAME}',
+                sources=[os.path.relpath(CYTHON_FNAME, BASEDIR)],
+                define_macros=DEFINE_MACROS,
+                include_dirs=[numpy.get_include()],
+                py_limited_api=USE_PY_LIMITED_API
+            ),
+            compiler_directives=COMPILER_DIRECTIVES,
+            language_level=3,
+        )
+
+        self.finalize_options()
+        super().run()
 
 
 if ((FLAG_COVERAGE in sys.argv or os.environ.get('CYTHON_COVERAGE', None))
@@ -89,24 +105,9 @@ def finalize_options(self) -> None:
         sys.argv.remove(FLAG_COVERAGE)
     print('enable: "linetrace" Cython compiler directive')
 
-# See https://github.com/Unidata/cftime/issues/91
-if any([arg in CMDS_NOCYTHONIZE for arg in sys.argv]):
-    ext_modules = []
-else:
-    extension = Extension('{}._{}'.format(NAME, NAME),
-                          sources=[os.path.relpath(CYTHON_FNAME, BASEDIR)],
-                          define_macros=DEFINE_MACROS,
-                          include_dirs=[numpy.get_include()],
-                          py_limited_api=USE_PY_LIMITED_API)
-
-    ext_modules = cythonize(
-        extension,
-        compiler_directives=COMPILER_DIRECTIVES,
-        language_level=3,
-    )
 
 setup(
     cmdclass={'clean_cython': CleanCython, 'build_ext': BuildExt},
-    ext_modules=ext_modules,
+    ext_modules = [Extension('cftime.x', ['x.c'])],  # To trick build into running build_ext
     options=SETUP_OPTIONS,
 )