fixup! fixup! fixup! exp: tentative fixup

Author: neutrinoceros

setup.py

@@ -11,6 +11,10 @@
 BASEDIR = os.path.abspath(os.path.dirname(__file__))
 SRCDIR = os.path.join(BASEDIR,'src')
 CMDS_NOCYTHONIZE = ['clean','clean_cython','sdist']
+
+# See https://github.com/Unidata/cftime/issues/91
+USE_CYTHONIZE = not any([arg in CMDS_NOCYTHONIZE for arg in sys.argv])
+            
 COMPILER_DIRECTIVES = {
     # Cython 3.0.0 changes the default of the c_api_binop_methods directive to
     # False, resulting in errors in datetime and timedelta arithmetic:
@@ -105,9 +109,14 @@ def run(self):
         sys.argv.remove(FLAG_COVERAGE)
     print('enable: "linetrace" Cython compiler directive')
 
+if USE_CYTHONIZE:
+    # To trick build into running build_ext
+    ext_modules = [Extension('cftime.x', ['x.c'])]
+else:
+    ext_modules = []
 
 setup(
     cmdclass={'clean_cython': CleanCython, 'build_ext': BuildExt},
-    ext_modules = [Extension('cftime.x', ['x.c'])],  # To trick build into running build_ext
+    ext_modules=ext_modules,  
     options=SETUP_OPTIONS,
 )