def test_replace_handler_and_restore_nested(self):
with register_sigint_fallback(lambda: None):
new_handler = signal.getsignal(signal.SIGINT)
self.assertNotEqual(new_handler, signal.default_int_handler)
with register_sigint_fallback(lambda: None):
self.assertTrue(signal.getsignal(signal.SIGINT) is new_handler)
self.assertEqual(signal.getsignal(signal.SIGINT),
signal.default_int_handler)
def test_replace_handler_and_restore_nested(self):
with register_sigint_fallback(lambda: None):
new_handler = signal.getsignal(signal.SIGINT)
self.assertNotEqual(new_handler, signal.default_int_handler)
with register_sigint_fallback(lambda: None):
self.assertTrue(signal.getsignal(signal.SIGINT) is new_handler)
self.assertEqual(
signal.getsignal(signal.SIGINT), signal.default_int_handler)
def target():
try:
with register_sigint_fallback(lambda: None):
with register_sigint_fallback(lambda: None):
self.assertTrue(
signal.getsignal(signal.SIGINT) is
signal.default_int_handler)
except:
failed.append(1)
def target():
try:
with register_sigint_fallback(lambda: None):
with register_sigint_fallback(lambda: None):
self.assertTrue(
signal.getsignal(signal.SIGINT) is
signal.default_int_handler)
except:
failed.append(1)
def test_no_replace_if_not_default(self):
new_handler = lambda *args: None
signal.signal(signal.SIGINT, new_handler)
try:
with register_sigint_fallback(lambda: None):
self.assertTrue(signal.getsignal(signal.SIGINT) is new_handler)
with register_sigint_fallback(lambda: None):
self.assertTrue(
signal.getsignal(signal.SIGINT) is new_handler)
self.assertTrue(signal.getsignal(signal.SIGINT) is new_handler)
finally:
signal.signal(signal.SIGINT, signal.default_int_handler)
def test_no_replace_if_not_default(self):
new_handler = lambda *args: None
signal.signal(signal.SIGINT, new_handler)
try:
with register_sigint_fallback(lambda: None):
self.assertTrue(signal.getsignal(signal.SIGINT) is new_handler)
with register_sigint_fallback(lambda: None):
self.assertTrue(
signal.getsignal(signal.SIGINT) is new_handler)
self.assertTrue(signal.getsignal(signal.SIGINT) is new_handler)
finally:
signal.signal(signal.SIGINT, signal.default_int_handler)
def test_no_replace_if_set_by_glib(self):
id_ = GLib.unix_signal_add(GLib.PRIORITY_DEFAULT, signal.SIGINT,
lambda *args: None)
try:
# signal.getsignal() doesn't pick up that unix_signal_add()
# has changed the handler, but we should anyway.
self.assertEqual(signal.getsignal(signal.SIGINT),
signal.default_int_handler)
with register_sigint_fallback(lambda: None):
self.assertEqual(signal.getsignal(signal.SIGINT),
signal.default_int_handler)
self.assertEqual(signal.getsignal(signal.SIGINT),
signal.default_int_handler)
finally:
GLib.source_remove(id_)
signal.signal(signal.SIGINT, signal.SIG_DFL)
signal.signal(signal.SIGINT, signal.default_int_handler)
def test_no_replace_if_set_by_glib(self):
id_ = GLib.unix_signal_add(
GLib.PRIORITY_DEFAULT, signal.SIGINT, lambda *args: None)
try:
# signal.getsignal() doesn't pick up that unix_signal_add()
# has changed the handler, but we should anyway.
self.assertEqual(
signal.getsignal(signal.SIGINT), signal.default_int_handler)
with register_sigint_fallback(lambda: None):
self.assertEqual(
signal.getsignal(signal.SIGINT),
signal.default_int_handler)
self.assertEqual(
signal.getsignal(signal.SIGINT), signal.default_int_handler)
finally:
GLib.source_remove(id_)
signal.signal(signal.SIGINT, signal.SIG_DFL)
signal.signal(signal.SIGINT, signal.default_int_handler)