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  1. import functools
  2. import types
  3.  
  4.  
  5. def check_types(f):
  6. 	@functools.wraps(f)
  7. 	def wrapper(*args, **kwargs):
  8. 		for i, name in enumerate(f.__code__.co_varnames):
  9. 			tp = f.__annotations__.get(name)
  10. 			if tp is not None:
  11. 				val = kwargs[name] if name in kwargs else args[i]
  12. 				# assert(isinstance(val, tp))
  13. 				print(name, isinstance(val, tp))
  14. 		ans = f(*args, **kwargs)
  15. 		tp = f.__annotations__.get('return')
  16. 		if tp is not None:
  17. 			# assert(isinstance(ans, tp))
  18. 			print('return', isinstance(val, tp))
  19. 		return ans
  20. 	return wrapper
  21.  
  22.  
  23. @check_types
  24. def f(a: int, b: types.FunctionType) -> str:
  25. 	pass
  26.  
  27.  
  28. def main():
  29. 	def g(): pass
  30. 	f(1.0, g)
  31.  
  32.  
  33. if __name__ == '__main__':
  34. 	main()
Success #stdin #stdout 0.03s 9072KB
comments (?)
stdin 
Standard input is empty
stdout 
a False
b True
return False
https://ideone.com/QHur0c
language:
Python 3 (python  3.12)
created:
10 years ago
visibility:
public

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