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Commit9d1a353

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mikeziminioblurb-it[bot]aiskJelleZijlstra
authored
gh-114894: add array.array.clear() method (#114919)
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>Co-authored-by: AN Long <aisk@users.noreply.github.com>Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
1 parent5319c66 commit9d1a353

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7 files changed

+71
-1
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7 files changed

+71
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‎Doc/library/array.rst

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@@ -215,6 +215,13 @@ The module defines the following type:
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Remove the first occurrence of *x* from the array.
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..method::clear()
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Remove all elements from the array.
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..versionadded::3.13
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..method::reverse()
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Reverse the order of the items in the array.

‎Doc/whatsnew/3.13.rst

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@@ -185,6 +185,9 @@ array
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It can be used instead of ``'u'`` type code, which is deprecated.
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(Contributed by Inada Naoki in:gh:`80480`.)
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* Add ``clear()`` method in order to implement ``MutableSequence``.
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(Contributed by Mike Zimin in:gh:`114894`.)
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ast
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---
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‎Lib/test/test_array.py

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@@ -1014,6 +1014,29 @@ def test_pop(self):
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array.array(self.typecode,self.example[3:]+self.example[:-1])
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)
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deftest_clear(self):
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a=array.array(self.typecode,self.example)
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withself.assertRaises(TypeError):
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a.clear(42)
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a.clear()
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self.assertEqual(len(a),0)
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self.assertEqual(a.typecode,self.typecode)
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a=array.array(self.typecode)
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a.clear()
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self.assertEqual(len(a),0)
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self.assertEqual(a.typecode,self.typecode)
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a=array.array(self.typecode,self.example)
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a.clear()
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a.append(self.example[2])
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a.append(self.example[3])
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self.assertEqual(a,array.array(self.typecode,self.example[2:4]))
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withmemoryview(a):
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withself.assertRaises(BufferError):
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a.clear()
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deftest_reverse(self):
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a=array.array(self.typecode,self.example)
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self.assertRaises(TypeError,a.reverse,42)

‎Lib/test/test_collections.py

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@@ -1,5 +1,6 @@
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"""Unit tests for collections.py."""
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importarray
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importcollections
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importcopy
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importdoctest
@@ -1972,6 +1973,7 @@ def test_MutableSequence(self):
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forsamplein [list,bytearray,deque]:
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self.assertIsInstance(sample(),MutableSequence)
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self.assertTrue(issubclass(sample,MutableSequence))
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self.assertTrue(issubclass(array.array,MutableSequence))
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self.assertFalse(issubclass(str,MutableSequence))
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self.validate_abstract_methods(MutableSequence,'__contains__','__iter__',
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'__len__','__getitem__','__setitem__','__delitem__','insert')
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@@ -0,0 +1 @@
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Add:meth:`array.array.clear`.

‎Modules/arraymodule.c

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@@ -868,6 +868,21 @@ array_slice(arrayobject *a, Py_ssize_t ilow, Py_ssize_t ihigh)
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return (PyObject*)np;
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}
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/*[clinic input]
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array.array.clear
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Remove all items from the array.
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[clinic start generated code]*/
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staticPyObject*
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array_array_clear_impl(arrayobject*self)
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/*[clinic end generated code: output=5efe0417062210a9 input=5dffa30e94e717a4]*/
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{
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if (array_resize(self,0)==-1) {
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returnNULL;
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}
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Py_RETURN_NONE;
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}
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/*[clinic input]
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array.array.__copy__
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ARRAY_ARRAY_APPEND_METHODDEF
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ARRAY_ARRAY_BUFFER_INFO_METHODDEF
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ARRAY_ARRAY_BYTESWAP_METHODDEF
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ARRAY_ARRAY_CLEAR_METHODDEF
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ARRAY_ARRAY___COPY___METHODDEF
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ARRAY_ARRAY_COUNT_METHODDEF
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ARRAY_ARRAY___DEEPCOPY___METHODDEF

‎Modules/clinic/arraymodule.c.h

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