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try:
# If we don't expose object.__new__ (small ports), there's
# nothing to test.
object.__new__
except AttributeError:
print("SKIP")
raise SystemExit
class A:
def __new__(cls):
print("A.__new__")
return super(cls, A).__new__(cls)
def __init__(self):
print("A.__init__")
def meth(self):
print('A.meth')
#print(A.__new__)
#print(A.__init__)
a = A()
a.meth()
a = A.__new__(A)
a.meth()
#print(a.meth)
#print(a.__init__)
#print(a.__new__)
# __new__ should automatically be a staticmethod, so this should work
a = a.__new__(A)
a.meth()
# __new__ returns not an instance of the class (None here), __init__
# should not be called
class B:
def __new__(self, v1, v2):
print("B.__new__", v1, v2)
def __init__(self, v1, v2):
# Should not be called in this test
print("B.__init__", v1, v2)
print("B inst:", B(1, 2))
# Variation of the above, __new__ returns an instance of another class,
# __init__ should not be called
class Dummy: pass
class C:
def __new__(cls):
print("C.__new__")
return Dummy()
def __init__(self):
# Should not be called in this test
print("C.__init__")
c = C()
print(isinstance(c, Dummy))
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