Apr 3, 2023 · Feb 13, 2023 · Feb 21, 2023 · Feb 21, 2023 · Feb 22, 2023 · Feb 25, 2023
diff --git a/Doc/reference/datamodel.rst b/Doc/reference/datamodel.rst
      the filename from which the code was compiled; :attr:`co_firstlineno` is
      the first line number of the function; :attr:`co_lnotab` is a string
      encoding the mapping from bytecode offsets to line numbers (for details
      see the source code of the interpreter); :attr:`co_stacksize` is the
      see the source code of the interpreter, is deprecated since 3.12
      and may be removed in 3.14); :attr:`co_stacksize` is the
      required stack size; :attr:`co_flags` is an integer encoding a number
      of flags for the interpreter.

diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst
  functions that have been deprecated since Python 2 but only gained a
  proper :exc:`DeprecationWarning` in 3.12. Remove them in 3.14.

 * Accessing ``co_lnotab`` was deprecated in :pep:`626` since 3.10
  and was planned to be removed in 3.12
  but it only got a proper :exc:`DeprecationWarning` in 3.12.
  May be removed in 3.14.
  (Contributed by Nikita Sobolev in :gh:`101866`.)

 * The *onerror* argument of :func:`shutil.rmtree` is deprecated in 3.12,
  and will be removed in 3.14.

diff --git a/Lib/test/test_code.py b/Lib/test/test_code.py
        new_code = code = func.__code__.replace(co_linetable=b'')
        self.assertEqual(list(new_code.co_lines()), [])

    def test_co_lnotab_is_deprecated(self):  # TODO: remove in 3.14
        def func():
            pass

        with self.assertWarns(DeprecationWarning):
            func.__code__.co_lnotab

    def test_invalid_bytecode(self):
        def foo():
            pass
diff --git a/Misc/NEWS.d/next/Core and Builtins/2023-02-21-17-22-06.gh-issue-101865.fwrTOA.rst b/Misc/NEWS.d/next/Core and Builtins/2023-02-21-17-22-06.gh-issue-101865.fwrTOA.rst
 Deprecate ``co_lnotab`` in code objects, schedule it for removal in Python
 3.14
diff --git a/Objects/codeobject.c b/Objects/codeobject.c
 static PyObject *
 code_getlnotab(PyCodeObject *code, void *closure)
 {
    if (PyErr_WarnEx(PyExc_DeprecationWarning,
                     "co_lnotab is deprecated, use co_lines instead.",
                     1) < 0) {
        return NULL;
    }
    return decode_linetable(code);
 }
Original file line number	Diff line number	Diff line change
Expand Up		@@ -991,7 +991,8 @@ Internal types
		the filename from which the code was compiled; :attr:`co_firstlineno` is
		the first line number of the function; :attr:`co_lnotab` is a string
		encoding the mapping from bytecode offsets to line numbers (for details
		see the source code of the interpreter); :attr:`co_stacksize` is the
		see the source code of the interpreter, is deprecated since 3.12
		and may be removed in 3.14); :attr:`co_stacksize` is the
		required stack size; :attr:`co_flags` is an integer encoding a number
		of flags for the interpreter.

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -622,6 +622,12 @@ Pending Removal in Python 3.14
		functions that have been deprecated since Python 2 but only gained a
		proper :exc:`DeprecationWarning` in 3.12. Remove them in 3.14.

		* Accessing ``co_lnotab`` was deprecated in :pep:`626` since 3.10
		and was planned to be removed in 3.12
		but it only got a proper :exc:`DeprecationWarning` in 3.12.
		May be removed in 3.14.
		(Contributed by Nikita Sobolev in :gh:`101866`.)

		* The onerror argument of :func:`shutil.rmtree` is deprecated in 3.12,
		and will be removed in 3.14.

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Original file line number	Diff line number	Diff line change
Expand Up		@@ -338,6 +338,13 @@ def func():
		new_code = code = func.__code__.replace(co_linetable=b'')
		self.assertEqual(list(new_code.co_lines()), [])

		def test_co_lnotab_is_deprecated(self): # TODO: remove in 3.14
		def func():
		pass

		with self.assertWarns(DeprecationWarning):
		func.__code__.co_lnotab

		def test_invalid_bytecode(self):
		def foo():
		pass
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Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		Deprecate ``co_lnotab`` in code objects, schedule it for removal in Python
		3.14
Original file line number	Diff line number	Diff line change
Expand Up		@@ -1921,6 +1921,11 @@ static PyMemberDef code_memberlist[] = {
		static PyObject *
		code_getlnotab(PyCodeObject code, void closure)
		{
		if (PyErr_WarnEx(PyExc_DeprecationWarning,
		"co_lnotab is deprecated, use co_lines instead.",
		1) < 0) {
		return NULL;
		}
		return decode_linetable(code);
		}

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