bpo-28401: prevent Py_DEBUG builds from trying to import limited ABI modules (GH-1766)

[Issue 28401](https://bugs.python.org/issue28401): Don't attempt to import the stable API extensions, they are not supported in PyDEBUG builds (which don't implement that ABI). https://bugs.python.org/issue28401

bpo-28401: prevent Py_DEBUG builds from trying to import limited ABI modules (GH-1766)
[Issue 28401](https://bugs.python.org/issue28401): Don't attempt to import the stable API extensions, they are not supported in PyDEBUG builds (which don't implement that ABI). https://bugs.python.org/issue28401
338d54f0 · Stefano Rivera · Miss Islington (bot) · ad65f155 · 338d54f0 · 338d54f0
Commit 338d54f0 authored Nov 16, 2018 by Stefano Rivera Committed by Miss Islington (bot) Nov 16, 2018
Showing with 5 additions and 0 deletions

Misc/NEWS.d/next/Core and Builtins/2018-11-03-10-37-29.bpo-28401.RprDIg.rst ...ore and Builtins/2018-11-03-10-37-29.bpo-28401.RprDIg.rst +3 -0

Python/dynload_shlib.c Python/dynload_shlib.c +2 -0

No files found.
--- 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
+Debug builds will no longer to attempt to import extension modules built
+for the ABI as they were never compatible to begin with.
+Patch by Stefano Rivera.
--- 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,