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gh-105145: Deprecate Py_GetPath() function#105179

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Merged
vstinner merged 2 commits intopython:mainfromvstinner:deprecate_init_funcs
Jun 1, 2023
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19 changes: 19 additions & 0 deletionsDoc/c-api/init.rst
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Original file line numberDiff line numberDiff line change
Expand Up@@ -430,6 +430,9 @@ Process-wide parameters
.. versionchanged:: 3.10
It now returns ``NULL`` if called before :c:func:`Py_Initialize`.

.. deprecated-removed:: 3.13 3.15
Get :data:`sys.executable` instead.


.. c:function:: wchar_t* Py_GetPrefix()

Expand All@@ -449,6 +452,9 @@ Process-wide parameters
.. versionchanged:: 3.10
It now returns ``NULL`` if called before :c:func:`Py_Initialize`.

.. deprecated-removed:: 3.13 3.15
Get :data:`sys.prefix` instead.


.. c:function:: wchar_t* Py_GetExecPrefix()

Expand DownExpand Up@@ -490,6 +496,9 @@ Process-wide parameters
.. versionchanged:: 3.10
It now returns ``NULL`` if called before :c:func:`Py_Initialize`.

.. deprecated-removed:: 3.13 3.15
Get :data:`sys.exec_prefix` instead.


.. c:function:: wchar_t* Py_GetProgramFullPath()

Expand All@@ -508,6 +517,9 @@ Process-wide parameters
.. versionchanged:: 3.10
It now returns ``NULL`` if called before :c:func:`Py_Initialize`.

.. deprecated-removed:: 3.13 3.15
Get :data:`sys.executable` instead.


.. c:function:: wchar_t* Py_GetPath()

Expand All@@ -533,6 +545,9 @@ Process-wide parameters
.. versionchanged:: 3.10
It now returns ``NULL`` if called before :c:func:`Py_Initialize`.

.. deprecated-removed:: 3.13 3.15
Get :data:`sys.path` instead.


.. c:function:: const char* Py_GetVersion()

Expand DownExpand Up@@ -616,6 +631,10 @@ Process-wide parameters
.. versionchanged:: 3.10
It now returns ``NULL`` if called before :c:func:`Py_Initialize`.

.. deprecated-removed:: 3.13 3.15
Get :c:member:`PyConfig.home` or :envvar:`PYTHONHOME` environment
variable instead.


.. _threads:

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3 changes: 3 additions & 0 deletionsDoc/c-api/sys.rst
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Expand Up@@ -237,6 +237,9 @@ accessible to C code. They all work with the current interpreter thread's
Reset :data:`sys.warnoptions` to an empty list. This function may be
called prior to :c:func:`Py_Initialize`.

.. deprecated-removed:: 3.13 3.15
Clear :data:`sys.warnoptions` and :data:`!warnings.filters` instead.

.. c:function:: void PySys_WriteStdout(const char *format, ...)

Write the output string described by *format* to :data:`sys.stdout`. No
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14 changes: 14 additions & 0 deletionsDoc/whatsnew/3.13.rst
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Expand Up@@ -357,6 +357,20 @@ Deprecated
``PY_UNICODE_TYPE`` are just aliases to ``wchar_t``.
(Contributed by Victor Stinner in :gh:`105156`.)

* Deprecate old Python initialization functions:

* :c:func:`PySys_ResetWarnOptions`:
clear :data:`sys.warnoptions` and :data:`!warnings.filters` instead.
* :c:func:`Py_GetExecPrefix`: get :data:`sys.exec_prefix` instead.
* :c:func:`Py_GetPath`: get :data:`sys.path` instead.
* :c:func:`Py_GetPrefix`: get :data:`sys.prefix` instead.
* :c:func:`Py_GetProgramFullPath`: get :data:`sys.executable` instead.
* :c:func:`Py_GetProgramName`: get :data:`sys.executable` instead.
* :c:func:`Py_GetPythonHome`: get :c:member:`PyConfig.home` or
:envvar:`PYTHONHOME` environment variable instead.

(Contributed by Victor Stinner in :gh:`105145`.)

Removed
-------

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12 changes: 6 additions & 6 deletionsInclude/pylifecycle.h
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Expand Up@@ -34,12 +34,12 @@ PyAPI_FUNC(int) Py_Main(int argc, wchar_t **argv);
PyAPI_FUNC(int) Py_BytesMain(int argc, char **argv);

/* In pathconfig.c */
PyAPI_FUNC(wchar_t *) Py_GetProgramName(void);
PyAPI_FUNC(wchar_t *) Py_GetPythonHome(void);
PyAPI_FUNC(wchar_t *) Py_GetProgramFullPath(void);
PyAPI_FUNC(wchar_t *) Py_GetPrefix(void);
PyAPI_FUNC(wchar_t *) Py_GetExecPrefix(void);
PyAPI_FUNC(wchar_t *) Py_GetPath(void);
Py_DEPRECATED(3.13)PyAPI_FUNC(wchar_t *) Py_GetProgramName(void);
Py_DEPRECATED(3.13)PyAPI_FUNC(wchar_t *) Py_GetPythonHome(void);
Py_DEPRECATED(3.13)PyAPI_FUNC(wchar_t *) Py_GetProgramFullPath(void);
Py_DEPRECATED(3.13)PyAPI_FUNC(wchar_t *) Py_GetPrefix(void);
Py_DEPRECATED(3.13)PyAPI_FUNC(wchar_t *) Py_GetExecPrefix(void);
Py_DEPRECATED(3.13)PyAPI_FUNC(wchar_t *) Py_GetPath(void);
#ifdef MS_WINDOWS
int _Py_CheckPython3(void);
#endif
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2 changes: 1 addition & 1 deletionInclude/sysmodule.h
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Expand Up@@ -17,7 +17,7 @@ PyAPI_FUNC(void) PySys_WriteStderr(const char *format, ...)
PyAPI_FUNC(void) PySys_FormatStdout(const char *format, ...);
PyAPI_FUNC(void) PySys_FormatStderr(const char *format, ...);

PyAPI_FUNC(void) PySys_ResetWarnOptions(void);
Py_DEPRECATED(3.13)PyAPI_FUNC(void) PySys_ResetWarnOptions(void);

PyAPI_FUNC(PyObject *) PySys_GetXOptions(void);

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,11 @@
Deprecate old Python initialization functions:

* :c:func:`PySys_ResetWarnOptions`
* :c:func:`Py_GetExecPrefix`
* :c:func:`Py_GetPath`
* :c:func:`Py_GetPrefix`
* :c:func:`Py_GetProgramFullPath`
* :c:func:`Py_GetProgramName`
* :c:func:`Py_GetPythonHome`

Patch by Victor Stinner.
8 changes: 3 additions & 5 deletionsModules/_tkinter.c
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Expand Up@@ -130,11 +130,10 @@ _get_tcl_lib_path(void)
static int already_checked = 0;

if (already_checked == 0) {
PyObject *prefix;
struct stat stat_buf;
int stat_return_value;

prefix =PyUnicode_FromWideChar(Py_GetPrefix(), -1);
PyObject *prefix =PySys_GetObject("prefix"); // borrowed reference
if (prefix == NULL) {
return NULL;
}
Expand DownExpand Up@@ -3289,8 +3288,8 @@ PyInit__tkinter(void)

/* This helps the dynamic loader; in Unicode aware Tcl versions
it also helps Tcl find its encodings. */
uexe =PyUnicode_FromWideChar(Py_GetProgramName(), -1);
if (uexe) {
uexe =PySys_GetObject("executable"); // borrowed reference
if (uexe && PyUnicode_Check(uexe)) { // sys.executable can be None
cexe = PyUnicode_EncodeFSDefault(uexe);
if (cexe) {
#ifdef MS_WINDOWS
Expand DownExpand Up@@ -3329,7 +3328,6 @@ PyInit__tkinter(void)
#endif /* MS_WINDOWS */
}
Py_XDECREF(cexe);
Py_DECREF(uexe);
}

if (PyErr_Occurred()) {
Expand Down
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