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  1. # define a decorator method:
  2. def save_db_decorator(fn):
  3.  
  4.     # The wrapper method which will get called instead of the decorated method:
  5.     def wrapper(self, *args, **kwargs):
  6.         fn(self, *args, **kwargs)           # call the decorated method
  7.         Test.save_to_db(self, *args, **kwargs)   # call the additional method
  8.  
  9.     return wrapper  # return the wrapper method
  10.  
  11. class Test:
  12.  
  13.     # The additional method called by the decorator:
  14.  
  15.     def save_to_db(self, *args, **kwargs):
  16.         print("Saver")
  17.  
  18.  
  19.     # The decorated methods:
  20.  
  21.     @save_db_decorator
  22.     def crawl_1(self, *args, **kwargs):
  23.         print("Crawler 1")
  24.  
  25.     @save_db_decorator
  26.     def crawl_2(self, *args, **kwargs):
  27.         print("Crawler 2")
  28.  
  29.  
  30. # Calling the decorated methods:
  31.  
  32. test = Test()
  33. print("Starting Crawler 1")
  34. test.crawl_1()
  35. print("Starting Crawler 1")
  36. test.crawl_2()
  37.  
Success #stdin #stdout 0.02s 9984KB
comments (?)
stdin 
Standard input is empty
stdout 
Starting Crawler 1
Crawler 1
Saver
Starting Crawler 1
Crawler 2
Saver
https://ideone.com/Q6tvpA
language:
Python 3 (python  3.9.5)
created:
8 years ago
visibility:
public

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