def test_typedSelector(self):
@objc.typedSelector(b"I@:qq")
def mySelector_arg_(self, a, b):
return 4
self.assertIsInstance(mySelector_arg_, objc.selector)
self.assertEqual(mySelector_arg_.signature, b"I@:qq")
self.assertEqual(mySelector_arg_.selector, b"mySelector:arg:")
self.assertRaises(TypeError, objc.typedSelector(b"v@:i"), None)
self.assertRaises(TypeError, objc.typedSelector(b"v@:i"), 42)
def test_typedSelector(self):
@objc.typedSelector(b"I@:qq")
def mySelector_arg_(self, a, b):
return 4
self.assertIsInstance(mySelector_arg_, objc.selector)
self.assertEqual(mySelector_arg_.signature, b"I@:qq")
self.assertEqual(mySelector_arg_.selector, b"mySelector:arg:")
self.assertRaises(TypeError, objc.typedSelector(b"v@:i"), None)
self.assertRaises(TypeError, objc.typedSelector(b"v@:i"), 42)
def signature(signature):
"""Returns an objc.signature with 'i' and 'f' letters changed to correct NSInteger and
CGFloat values.
"""
signature = bytes(signature, encoding='ascii')
signature = signature.replace(b'i', objc._C_NSInteger)
signature = signature.replace(b'I', objc._C_NSUInteger)
signature = signature.replace(b'f', objc._C_CGFloat)
return objc.typedSelector(signature)
def event_handler(f, assertion = running_on_thread_named('MainThread')):
def handle_exceptions(*n, **kw):
try:
return assert_message_queue(f, assertion)(*n, **kw)
except Exception:
unhandled_exc_handler()
TRACE('stack above exception was:')
trace_stack()
if kw.get('trace_locals', True):
TRACE('locals are:')
trace_locals(locals())
handle_exceptions.__name__ = f.__name__
if hasattr(f, 'signature'):
try:
import objc
return objc.typedSelector(f.signature)(handle_exceptions)
except Exception:
unhandled_exc_handler()
return handle_exceptions
