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tkinter: setvar() passes AsObj's NULL to Tcl when the value's __str__ raises #161388
Description
Bug report
Summary
setvar() with three arguments crashes the interpreter with SIGSEGV if the value's __str__ raises.
Expected: the exception from __str__ should propagate, as it does from setvar(name, value).
Reproducer
import tkinter
class StrRaises:
def __str__(self):
raise RuntimeError("boom")
tkinter.Tcl().tk.setvar("name1", "name2", StrRaises())Segmentation fault (core dumped)CPython versions tested on:
3.15
Operating systems tested on:
No response
Activity
[-]`setvar()` passes `AsObj`'s NULL to Tcl when the value's `__str__` raises[/-][+]tkinter: `setvar()` passes `AsObj`'s NULL to Tcl when the value's `__str__` raises[/+]gh-161388: [tkinter] Fix crash on raising `__str__` method passed to …
[3.15] gh-161388: [tkinter] Fix crash on raising `__str__` method pas…
[3.14] gh-161388: [tkinter] Fix crash on raising `__str__` method pas…