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