python / python/cpython

tkinter.filedialog.askopenfilename() fails with "SharedMemory read faild"

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OS-windows stdlib topic-tkinter type-bug
Dominant language
Python
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Description

Bug report

Bug description:
# Add a code block here, if required

from tkinter import filedialog
filedialog.askopenfilename()

Image

CPython versions tested on:

3.12

Operating systems tested on:

Windows

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the failure with tkinter.filedialog.askopenfilename() on Windows using CPython 3.12, as shown in the issue. Trace the reported “SharedMemory read faild” error and identify the affected tkinter file-dialog entry point; the issue is complete when the file dialog opens without that error.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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