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Title: gh-150836: Mount embedded Tk ZIP in _tkinter on Windows by jjhelmus · Pull Request #151562 · python/cpython · GitHub

Open Graph Title: gh-150836: Mount embedded Tk ZIP in _tkinter on Windows by jjhelmus · Pull Request #151562 · python/cpython

X Title: gh-150836: Mount embedded Tk ZIP in _tkinter on Windows by jjhelmus · Pull Request #151562 · python/cpython

Description: Tcl/Tk 9 may embed the Tk script library in the Tk DLL on Windows. This embedded library is not found by Tcl by default. Mount the loaded Tk DLL as a zipfs archive before calling Tk_Init(), so Tk can find its embedded tk_library using its existing library discovery logic. Preserve Tk_Init()'s normal path if the library is not embedded. Issue: gh-150836

Open Graph Description: Tcl/Tk 9 may embed the Tk script library in the Tk DLL on Windows. This embedded library is not found by Tcl by default. Mount the loaded Tk DLL as a zipfs archive before calling Tk_Init(), so Tk c...

X Description: Tcl/Tk 9 may embed the Tk script library in the Tk DLL on Windows. This embedded library is not found by Tcl by default. Mount the loaded Tk DLL as a zipfs archive before calling Tk_Init(), so Tk c...

Opengraph URL: https://github.com/python/cpython/pull/151562

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6b57a35 gh-150836: Mount embedded Tk ZIP in _tkinter on Windows jjhelmus Jun 16, 2026 https://github.com/python/cpython/pull/151562/commits/6b57a35c56598eea37bf96b2746a2a94a9b116f8
baaa534 Support long paths when mounting the embedded Tk ZIP jjhelmus Jun 18, 2026 https://github.com/python/cpython/pull/151562/commits/baaa53412b7c2e9bfaed6d6ed747d13dc2bef16e
0c268a6 Clarify expected Tk ZIP mount failures jjhelmus Jun 18, 2026 https://github.com/python/cpython/pull/151562/commits/0c268a6ec305ee9a4f5a1fdc0bd03ec34e3dc83a
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