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  1. #!/usr/bin/env python3
  2.  
  3. from abc import ABCMeta, abstractmethod
  4.  
  5. class Terminator(metaclass=ABCMeta):
  6.     def __init__(self):
  7.         self.props = {}
  8.  
  9.     def template_method(self):
  10.         self.legs_cnt()
  11.         self.hands_cnt()
  12.         self.liquid_body()
  13.         self.steel_skeleton()
  14.         return self
  15.  
  16.     @abstractmethod
  17.     def legs_cnt(self):
  18.         pass
  19.  
  20.     @abstractmethod
  21.     def hands_cnt(self):
  22.         pass
  23.  
  24.     def liquid_body(self):
  25.         pass
  26.  
  27.     def steel_skeleton(self):
  28.         pass
  29.  
  30.  
  31. class T_800(Terminator):
  32.     def legs_cnt(self):
  33.         self.props['legs_cnt'] = 2
  34.  
  35.     def hands_cnt(self):
  36.         self.props['hands_cnt'] = 2
  37.  
  38.     def steel_skeleton(self):
  39.         self.props['steel_skeleton'] = True
  40.  
  41. class T_1000(Terminator):
  42.     def legs_cnt(self):
  43.         self.props['legs'] = 2
  44.  
  45.     def hands_cnt(self):
  46.         self.props['hands_cnt'] = 2
  47.  
  48.     def liquid_body(self):
  49.         self.props['liquid_body'] = True
  50.  
  51.  
  52. t_800 = T_800().template_method()
  53. print(t_800.__class__, t_800.props)
  54.  
  55. t_1000 = T_1000().template_method()
  56. print(t_1000.__class__, t_1000.props)
  57.  
  58.  
Success #stdin #stdout 0.01s 27712KB
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<class '__main__.T_800'> {'legs_cnt': 2, 'steel_skeleton': True, 'hands_cnt': 2}
<class '__main__.T_1000'> {'legs': 2, 'liquid_body': True, 'hands_cnt': 2}
https://ideone.com/5WamcH
language:
Python 3 (python  3.12)
created:
5 years ago
visibility:
public

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