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author | Keith Miyake <keith.miyake@gmail.com> | 2017-10-23 15:11:13 -0700 |
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committer | Keith Miyake <keith.miyake@gmail.com> | 2017-10-23 15:11:13 -0700 |
commit | 55efb934b8d7f2034020d17e331f02b852952012 (patch) | |
tree | 6b468947603db026b62a1937bb40834784fe12be | |
parent | 9b6d84309c8b554ab87b19e27eadbe550d5204a6 (diff) |
python3/en cleanup for single inheritance merge
-rw-r--r-- | python3.html.markdown | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/python3.html.markdown b/python3.html.markdown index e02aed43..37987582 100644 --- a/python3.html.markdown +++ b/python3.html.markdown @@ -785,7 +785,7 @@ class Superhero(Human): self.superpowers = superpowers # The "super" function lets you access the parent class's methods - # that are overwritten by the child, in this case, the __init__ method. + # that are overridden by the child, in this case, the __init__ method. # This calls the parent class constructor: super().__init__(name) @@ -814,7 +814,7 @@ if __name__ == '__main__': # => <class 'human.Human'>, <class 'object'>) # Calls parent method but uses its own class attribute - print(sup.get_species()) # => Superhero + print(sup.get_species()) # => Superhuman # Calls overloaded method print(sup.sing()) # => Dun, dun, DUN! @@ -838,6 +838,7 @@ if __name__ == '__main__': #################################################### # Another class definition +# bat.py class Bat: species = 'Baty' @@ -859,16 +860,13 @@ if __name__ == '__main__': print(b.say('hello')) print(b.fly) -# To take advantage of modularization by file you could place the classes above in their own files, -# say, superhero.py and bat.py -# To import functions from other files use the following format -# from "filename-without-extension" import "function-or-class" +# And yet another class definition that inherits from Superhero and Bat # superhero.py from superhero import Superhero from bat import Bat -# Batman inherits from both Superhero and Bat +# Define Batman as a child that inherits from both Superhero and Bat class Batman(Superhero, Bat): def __init__(self, *args, **kwargs): @@ -892,14 +890,6 @@ class Batman(Superhero, Bat): if __name__ == '__main__': sup = Batman() - # Instance type checks - if isinstance(sup, Superhero): - print('I am a superhero) - if isinstance(sup, Bat): - print('I am bat') - if type(sup) is Batman: - print('I am Batman') - # Get the Method Resolution search Order used by both getattr() and super(). # This attribute is dynamic and can be updated print(Batman.__mro__) # => (<class '__main__.Batman'>, |