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Fix return types in tkinter.filedialog - #16689
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hrithiksaini99 wants to merge 1 commit into
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hrithiksaini99 wants to merge 1 commit into
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Update return types of asksaveasfilename, askopenfilename, and askdirectory to str | tuple[()] to accommodate empty tuples returned on cancellation. Closes: python#16637
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According to mypy_primer, this change has no effect on the checked open source code. 🤖🎉 |
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Still a dupe with #16642. |
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Fix return types in
tkinter.filedialogCloses #16637
Description
In
tkinter.filedialog, functions such asaskdirectory(),askopenfilename(), andasksaveasfilename()return an empty tuple()when the dialog is dismissed or canceled without selecting anything (depending on the Tk/platform implementation), whereas previously the stub only typedstr.This PR updates the return type of:
asksaveasfilename()->str | tuple[()]askopenfilename()->str | tuple[()]askdirectory()->str | tuple[()]Validation
mypy_test.py stdlib/tkinter/filedialog.pyipassed cleanly across all supported Python versions (3.10 - 3.15).pyright_test.py stdlib/tkinter/filedialog.pyipassed with 0 errors and 0 warnings.