mirror of https://github.com/python/cpython
gh-117110: Fix subclasses of typing.Any with custom constructors (#117111)
This commit is contained in:
parent
a17f313e39
commit
8eec7ed714
|
@ -140,6 +140,26 @@ class AnyTests(BaseTestCase):
|
|||
self.assertIsInstance(ms, Something)
|
||||
self.assertIsInstance(ms, Mock)
|
||||
|
||||
def test_subclassing_with_custom_constructor(self):
|
||||
class Sub(Any):
|
||||
def __init__(self, *args, **kwargs): pass
|
||||
# The instantiation must not fail.
|
||||
Sub(0, s="")
|
||||
|
||||
def test_multiple_inheritance_with_custom_constructors(self):
|
||||
class Foo:
|
||||
def __init__(self, x):
|
||||
self.x = x
|
||||
|
||||
class Bar(Any, Foo):
|
||||
def __init__(self, x, y):
|
||||
self.y = y
|
||||
super().__init__(x)
|
||||
|
||||
b = Bar(1, 2)
|
||||
self.assertEqual(b.x, 1)
|
||||
self.assertEqual(b.y, 2)
|
||||
|
||||
def test_cannot_instantiate(self):
|
||||
with self.assertRaises(TypeError):
|
||||
Any()
|
||||
|
|
|
@ -539,7 +539,7 @@ class Any(metaclass=_AnyMeta):
|
|||
def __new__(cls, *args, **kwargs):
|
||||
if cls is Any:
|
||||
raise TypeError("Any cannot be instantiated")
|
||||
return super().__new__(cls, *args, **kwargs)
|
||||
return super().__new__(cls)
|
||||
|
||||
|
||||
@_SpecialForm
|
||||
|
|
|
@ -0,0 +1 @@
|
|||
Fix a bug that prevents subclasses of :class:`typing.Any` to be instantiated with arguments. Patch by Chris Fu.
|
Loading…
Reference in New Issue