338df1ae35
Allowing passing keyword arguments to a native base's __init__, i.e. `make_new` in the C code. Previously only positional arguments were allowed. The main trade-off in this commit is that every call to the native base's `make_new` is now going to be preceded by a call to `mp_map_init_fixed_table` even though most of what that does is unused and instead it merely serves as a way to pass the number of keyword arguments. Fixes issue #15465. Signed-off-by: stijn <stijn@ignitron.net>
74 lines
1.5 KiB
Python
74 lines
1.5 KiB
Python
# test subclassing a native type and overriding __init__
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# overriding list.__init__()
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class L(list):
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def __init__(self, a, b):
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super().__init__([a, b])
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print(L(2, 3))
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# with keyword arguments, with star arguments and without because those use different C calls
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class D(dict):
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def __init__(self, *args, **kwargs):
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super().__init__(*args, **kwargs)
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print(D())
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print(D([('a', 1)]))
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print(D([('a', 1)], a=2, b=3))
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print(D(a=2, b=3))
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class D(dict):
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def __init__(self):
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super().__init__()
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print(D())
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class D(dict):
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def __init__(self):
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super().__init__([])
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print(D())
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class D(dict):
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def __init__(self):
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super().__init__(a=1)
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print(D())
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class D(dict):
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def __init__(self):
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super().__init__([], a=1)
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print(D())
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# inherits implicitly from object
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class A:
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def __init__(self):
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print("A.__init__")
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super().__init__()
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A()
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# inherits explicitly from object
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class B(object):
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def __init__(self):
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print("B.__init__")
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super().__init__()
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B()
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# multiple inheritance with object explicitly mentioned
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class C:
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pass
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class D(C, object):
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def __init__(self):
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print('D.__init__')
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super().__init__()
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def reinit(self):
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print('D.foo')
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super().__init__()
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a = D()
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a.__init__()
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a.reinit()
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# call __init__() after object is already init'd
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class L(list):
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def reinit(self):
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super().__init__(range(2))
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a = L(range(5))
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print(a)
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a.reinit()
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print(a)
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