[Cython] Suppress deprecated NumPy API warning

Cantera · Aug 2, 2022 · fe89cee · fe89cee
1 parent a5e4044
commit fe89cee
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Showing 2 changed files with 7 additions and 0 deletions.
diff --git a/SConstruct b/SConstruct
@@ -1604,6 +1604,10 @@ if env['python_package'] != 'none':
                 f"Cython is an incompatible version: Found {cython_version} but "
                 f"{cython_min_version} or newer is required.")
             warn_no_full_package = True
+        elif cython_version < parse_version("3.0.0"):
+            logger.info(
+                f"Using Cython version {cython_version} (uses legacy NumPy API)")
+            env["numpy_1_7_API"] = True
         else:
             logger.info(f"Using Cython version {cython_version}")
 

diff --git a/interfaces/cython/SConscript b/interfaces/cython/SConscript
@@ -78,6 +78,9 @@ elif localenv['OS'] == 'Cygwin':
     # extract 'pythonX.Y' from 'libpythonX.Y.dll.a'
     localenv.Append(LIBS=pylib[3:-6])
 
+if "numpy_1_7_API" in localenv:
+    localenv.Append(CPPDEFINES="NPY_NO_DEPRECATED_API=NPY_1_7_API_VERSION")
+
 localenv["module_ext"] = module_ext
 setup_cfg = localenv.SubstFile("setup.cfg", "setup.cfg.in")
 readme = localenv.Command("README.rst", "#README.rst", Copy("$TARGET", "$SOURCE"))