Add message regex in warning filters

Author: XuehaiPan

Lib/sysconfig/__init__.py

@@ -338,7 +338,7 @@ def get_makefile_filename():
     # This flag will always be True since Python 3.16
     with warnings.catch_warnings():
         # ignore DeprecationWarning on sys.abiflags change on Windows
-        warnings.simplefilter('ignore', DeprecationWarning)
+        warnings.filterwarnings('ignore', r'sys\.abiflags', category=DeprecationWarning)
         has_abiflags = hasattr(sys, 'abiflags')
 
     if has_abiflags:

Lib/test/pythoninfo.py

@@ -51,7 +51,7 @@ def copy_attributes(info_add, obj, name_fmt, attributes, *, formatter=None):
             # XXX: Remove this special case handling in Python 3.16
             with warnings.catch_warnings():
                 # ignore DeprecationWarning on sys.abiflags change on Windows
-                warnings.simplefilter("ignore", DeprecationWarning)
+                warnings.filterwarnings('ignore', r'sys\.abiflags', category=DeprecationWarning)
                 value = getattr(obj, attr, None)
         else:
             value = getattr(obj, attr, None)

Lib/test/support/__init__.py

@@ -881,7 +881,7 @@ def check_bolt_optimized():
 # This flag will always be True since Python 3.16
 with warnings.catch_warnings():
     # ignore DeprecationWarning on sys.abiflags change on Windows
-    warnings.simplefilter('ignore', DeprecationWarning)
+    warnings.filterwarnings('ignore', r'sys\.abiflags', category=DeprecationWarning)
     # Equal to `not sys.platform.startswith('win')` prior to 3.16
     HAS_SYS_ABIFLAGS = hasattr(sys, 'abiflags')