54 lines
1017 B
Python
54 lines
1017 B
Python
class Base:
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def __init__(self):
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self.a = 1
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def meth(self):
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print("in Base meth", self.a)
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class Sub(Base):
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def meth(self):
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print("in Sub meth")
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return super().meth()
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a = Sub()
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a.meth()
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# printing super
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class A:
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def p(self):
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print(str(super())[:18])
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A().p()
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# test compiler's handling of long expressions with super
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class A:
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bar = 123
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def foo(self):
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print('A foo')
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return [1, 2, 3]
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class B(A):
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def foo(self):
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print('B foo')
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print(super().bar) # accessing attribute after super()
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return super().foo().count(2) # calling a subsequent method
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print(B().foo())
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# first arg to super must be a type
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try:
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super(1, 1)
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except TypeError:
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print('TypeError')
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# store/delete of super attribute not allowed
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assert hasattr(super(B, B()), 'foo')
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try:
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super(B, B()).foo = 1
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except AttributeError:
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print('AttributeError')
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try:
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del super(B, B()).foo
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except AttributeError:
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print('AttributeError')
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