indentless_exceptions.py

[
	(try_except := (lambda fn, exception_callback:
		type("mycontext", (__import__("contextlib").ContextDecorator,), {
			"__enter__": lambda self: self,
			"__exit__": lambda self, a, b, c: (a and exception_callback(a, b, c)) or True
		})()(fn)()
	)),

	(throw := lambda e:
		(_ for _ in ()).throw(e)
	),

	print(try_except(
		lambda: int("123"),
		lambda a, b, c: print("caught", a, b, c)
	)),

	print(try_except(
		lambda: int("abc"),
		lambda a, b, c: print("caught", a, b, c)
	)),

	print(try_except(
		lambda: throw(Exception("myexception")),
		lambda a, b, c: print("caught", a, b, c)
	)),
]