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GH-104668: Don't call PyOS_* hooks in subinterpreters #104674

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Merged
brandtbucher merged 6 commits into from
May 22, 2023
Merged

GH-104668: Don't call PyOS_* hooks in subinterpreters #104674

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262ed9f
Only call PyOS_* hooks from the main interpreter
brandtbucher May 19, 2023
83d92ae
Document the change
brandtbucher May 19, 2023
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blurb add
brandtbucher May 19, 2023
9800546
Add issue numbers
brandtbucher May 19, 2023
0157842
Catch up with main
brandtbucher May 22, 2023
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brandtbucher May 22, 2023
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@brandtbucher
brandtbucher committed May 19, 2023
commit 9800546d4362e508a32851bb2b5749a47675e884
6 changes: 3 additions & 3 deletions Parser/myreadline.c
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Expand Up @@ -46,7 +46,7 @@ my_fgets(PyThreadState* tstate, char *buf, int len, FILE *fp)

while (1) {
if (PyOS_InputHook != NULL &&
// See the comment for PyOS_ReadlineFunctionPointer below:
// GH-104668: See PyOS_ReadlineFunctionPointer's comment below...
_Py_IsMainInterpreter(tstate->interp))
{
(void)(PyOS_InputHook)();
Expand Down Expand Up @@ -135,7 +135,7 @@ _PyOS_WindowsConsoleReadline(PyThreadState *tstate, HANDLE hStdIn)
wbuflen = sizeof(wbuf_local) / sizeof(wbuf_local[0]) - 1;
while (1) {
if (PyOS_InputHook != NULL &&
// See the comment for PyOS_ReadlineFunctionPointer below:
// GH-104668: See PyOS_ReadlineFunctionPointer's comment below...
_Py_IsMainInterpreter(tstate->interp))
{
(void)(PyOS_InputHook)();
Expand Down Expand Up @@ -396,7 +396,7 @@ PyOS_Readline(FILE *sys_stdin, FILE *sys_stdout, const char *prompt)
* this: python -i < test1.py
*/
if (!isatty(fileno(sys_stdin)) || !isatty(fileno(sys_stdout)) ||
// Don't call globally-registered callbacks like PyOS_InputHook or
// GH-104668: Don't call global callbacks like PyOS_InputHook or
// PyOS_ReadlineFunctionPointer from subinterpreters, since it seems
// like there's no good way for users (like readline and tkinter) to
// avoid using global state to manage them. Plus, we generally don't
Expand Down