8000 GH-104668: Don't call `PyOS_*` hooks in subinterpreters by brandtbucher · Pull Request #104674 · python/cpython · GitHub
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GH-104668: Don't call PyOS_* hooks in subinterpreters #104674

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Merged
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
7fba174
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
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