#11732: add a new suppress_crash_popup() context manager to test.support.
diff --git a/Lib/test/support.py b/Lib/test/support.py
index d89e172..ba1206c 100644
--- a/Lib/test/support.py
+++ b/Lib/test/support.py
@@ -71,7 +71,7 @@
"TestHandler", "Matcher", "can_symlink", "skip_unless_symlink",
"skip_unless_xattr", "import_fresh_module", "requires_zlib",
"PIPE_MAX_SIZE", "failfast", "anticipate_failure", "run_with_tz",
- "requires_bz2", "requires_lzma"
+ "requires_bz2", "requires_lzma", "suppress_crash_popup",
]
class Error(Exception):
@@ -1905,6 +1905,28 @@
msg = "no non-broken extended attribute support"
return test if ok else unittest.skip(msg)(test)
+
+if sys.platform.startswith('win'):
+ @contextlib.contextmanager
+ def suppress_crash_popup():
+ """Disable Windows Error Reporting dialogs using SetErrorMode."""
+ # see http://msdn.microsoft.com/en-us/library/windows/desktop/ms680621%28v=vs.85%29.aspx
+ import ctypes
+ k32 = ctypes.windll.kernel32
+ old_error_mode = k32.GetErrorMode()
+ SEM_NOGPFAULTERRORBOX = 0x02
+ k32.SetErrorMode(old_error_mode | SEM_NOGPFAULTERRORBOX)
+ try:
+ yield
+ finally:
+ k32.SetErrorMode(old_error_mode)
+else:
+ # this is a no-op for other platforms
+ @contextlib.contextmanager
+ def suppress_crash_popup():
+ yield
+
+
def patch(test_instance, object_to_patch, attr_name, new_value):
"""Override 'object_to_patch'.'attr_name' with 'new_value'.