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  1. import types
  2.  
  3.  
  4. class TestClass:
  5.     def __init__(self):
  6.         self.name = None
  7.  
  8.     def __getattribute__(self, attr):
  9.         method = object.__getattribute__(self, attr)
  10.         if not method:
  11.             raise Exception("Attribute %s not implemented" % attr)
  12.         if type(method) == types.MethodType:
  13.             self.run()
  14.         return method
  15.  
  16.     def run(self):
  17.         if self.name is None:
  18.             raise Exception("'name' attribute is 'None'")
  19.  
  20.     def __call__(self):
  21.         self.run()
  22.         return self
  23.  
  24.  
  25. def UsesTestClass(testClass):
  26.     print(testClass.name)
  27.  
  28.  
  29. testClass = TestClass()
  30. testClass.name = "Hello"
  31. testClass.run()
Runtime error #stdin #stdout #stderr 0.02s 28200KB
comments (?)
stdin
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Standard input is empty
stdout
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Standard output is empty
stderr
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Traceback (most recent call last):
  File "./prog.py", line 31, in <module>
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
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  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 13, in __getattribute__
  File "./prog.py", line 9, in __getattribute__
RecursionError: maximum recursion depth exceeded while calling a Python object
https://ideone.com/8buTYf
language:
Python 3 (python  3.12)
created:
6 years ago
visibility:
public

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