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[3.15] gh-153210: Restore accidental array.ArrayType removal (GH-153261) #153274

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Merged
sobolevn merged 2 commits into from
Jul 7, 2026
Merged

[3.15] gh-153210: Restore accidental array.ArrayType removal (GH-153261) #153274

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087ab15
gh-153210: Restore accidental `array.ArrayType` removal (GH-153261)
sobolevn Jul 7, 2026
dcf5df0
Merge branch '3.15' into backport-ac2e14b-3.15
sobolevn Jul 7, 2026
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gh-153210: Restore accidental array.ArrayType removal (GH-153261) 
(cherry picked from commit ac2e14b)

Co-authored-by: sobolevn <mail@sobolevn.me>
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@sobolevn @miss-islington
sobolevn authored and miss-islington committed Jul 7, 2026
commit 087ab15326b5842107b0e859b125e94ab7a144e2
5 changes: 5 additions & 0 deletions Lib/test/test_array.py
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Expand Up @@ -38,6 +38,11 @@ def __init__(self, typecode, newarg=None):

class MiscTest(unittest.TestCase):

def test_array_type_importable(self):
from array import ArrayType

self.assertIs(array.array, ArrayType)

def test_array_is_sequence(self):
self.assertIsInstance(array.array("B"), collections.abc.MutableSequence)
self.assertIsInstance(array.array("B"), collections.abc.Reversible)
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6 changes: 6 additions & 0 deletions Modules/arraymodule.c
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Expand Up @@ -3502,6 +3502,12 @@ array_modexec(PyObject *m)
CREATE_TYPE(m, state->ArrayIterType, &arrayiter_spec);
Py_SET_TYPE(state->ArrayIterType, &PyType_Type);

// Older undocumented alias:
if (PyModule_AddObjectRef(m, "ArrayType",
(PyObject *)state->ArrayType) < 0) {
return -1;
}

PyObject *mutablesequence = PyImport_ImportModuleAttrString(
"collections.abc", "MutableSequence");
if (!mutablesequence) {
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