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Commit2a72125

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gh-101865: Deprecateco_lnotab from code objects as per PEP 626 (#101866)
Co-authored-by: Oleg Iarygin <oleg@arhadthedev.net>
1 parente6f7d35 commit2a72125

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‎Doc/reference/datamodel.rst

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@@ -991,7 +991,8 @@ Internal types
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the filename from which the code was compiled;:attr:`co_firstlineno` is
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the first line number of the function;:attr:`co_lnotab` is a string
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encoding the mapping from bytecode offsets to line numbers (for details
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see the source code of the interpreter);:attr:`co_stacksize` is the
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see the source code of the interpreter, is deprecated since 3.12
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and may be removed in 3.14);:attr:`co_stacksize` is the
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required stack size;:attr:`co_flags` is an integer encoding a number
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of flags for the interpreter.
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‎Doc/whatsnew/3.12.rst

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@@ -622,6 +622,12 @@ Pending Removal in Python 3.14
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functions that have been deprecated since Python 2 but only gained a
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proper:exc:`DeprecationWarning` in 3.12. Remove them in 3.14.
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* Accessing ``co_lnotab`` was deprecated in:pep:`626` since 3.10
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and was planned to be removed in 3.12
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but it only got a proper:exc:`DeprecationWarning` in 3.12.
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May be removed in 3.14.
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(Contributed by Nikita Sobolev in:gh:`101866`.)
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* The *onerror* argument of:func:`shutil.rmtree` is deprecated in 3.12,
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and will be removed in 3.14.
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‎Lib/test/test_code.py

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@@ -338,6 +338,13 @@ def func():
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new_code=code=func.__code__.replace(co_linetable=b'')
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self.assertEqual(list(new_code.co_lines()), [])
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deftest_co_lnotab_is_deprecated(self):# TODO: remove in 3.14
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deffunc():
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pass
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withself.assertWarns(DeprecationWarning):
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func.__code__.co_lnotab
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deftest_invalid_bytecode(self):
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deffoo():
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pass
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@@ -0,0 +1,2 @@
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Deprecate ``co_lnotab`` in code objects, schedule it for removal in Python
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3.14

‎Objects/codeobject.c

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@@ -1921,6 +1921,11 @@ static PyMemberDef code_memberlist[] = {
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staticPyObject*
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code_getlnotab(PyCodeObject*code,void*closure)
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{
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if (PyErr_WarnEx(PyExc_DeprecationWarning,
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"co_lnotab is deprecated, use co_lines instead.",
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1)<0) {
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returnNULL;
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}
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returndecode_linetable(code);
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}
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