PyDEBUG builds don't support the limited ABI

stefanor · stefanor · commit 1ef0d5fca43d · 2018-11-03T10:37:42.000-07:00
Issue: 28401: Don't attempt to import the stable API extensions, they
are not supported in PyDEBUG builds (which don't implement that ABI).
diff --git a/Misc/NEWS.d/next/Core and Builtins/2018-11-03-10-37-29.bpo-28401.RprDIg.rst b/Misc/NEWS.d/next/Core and Builtins/2018-11-03-10-37-29.bpo-28401.RprDIg.rst
@@ -0,0 +1,2 @@
+Stable ABI extensions will no longer be found by the import machinery on
+debug builds of Python.  Importing them never worked, anyway.
diff --git a/Python/dynload_shlib.c b/Python/dynload_shlib.c
@@ -38,7 +38,9 @@ const char *_PyImport_DynLoadFiletab[] = {
     ".dll",
 #else  /* !__CYGWIN__ */
     "." SOABI ".so",
+#ifndef Py_DEBUG
     ".abi" PYTHON_ABI_STRING ".so",
+#endif /* ! Py_DEBUG */
     ".so",
 #endif  /* __CYGWIN__ */
     NULL,

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	`+Stable ABI extensions will no longer be found by the import machinery on`
	`2`	`+debug builds of Python. Importing them never worked, anyway.`