[issue23760] Tkinter in Python 3.4 on Windows don't post internal clipboard data to the Windows clipboard on exit

[Jon Snoo]

Jon Snoo added the comment:

I tested the code posted by Victor with Python 3.5 (which uses Tcl/Tk 8.6.4) 
and I still get an empty clipboard when the script exits.

I also downloaded ActiveState's Tcl binary which is also version 8.6.4, and 
tested the minimal reproducer posted by Serhiy with this

wish issue23760.tcl

and it works i.e. I get "Result" in the system clipboard.

I don't really know what to make of this.

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[issue23760] Tkinter in Python 3.4 on Windows don't post internal clipboard data to the Windows clipboard on exit

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Related Tk issues:

http://core.tcl.tk/tk/tktview/822002ff
http://core.tcl.tk/tk/tktview/732662ff
http://core.tcl.tk/tk/tktview/1844034f
http://core.tcl.tk/tk/tktview/939389ff

The problem should be fixed (at least on Windows) in the last issue, but 
perhaps Tkinter doesn't execute this code.

A workaround is to make a pause about 0.1 sec (can be depend on perfomance of 
your computer, it doesn't work if the pause is too short). Append following 
lines to you example:

r.after(100, r.destroy)
r.mainloop()

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[issue23760] Tkinter in Python 3.4 on Windows don't post internal clipboard data to the Windows clipboard on exit

[Serhiy Storchaka]

Serhiy Storchaka added the comment:

Here is minimal reproducer on Tcl/Tk. I don't have a workaround.

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status: pending - open
Added file: http://bugs.python.org/file39694/issue23760.tcl

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[issue23760] Tkinter in Python 3.4 on Windows don't post internal clipboard data to the Windows clipboard on exit

[Martin Panter]

Changes by Martin Panter vadmium...@gmail.com:


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components: +Windows
nosy: +paul.moore, steve.dower, tim.golden, zach.ware -vadmium

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[issue23760] Tkinter in Python 3.4 on Windows don't post internal clipboard data to the Windows clipboard on exit

[Zachary Ware]

Zachary Ware added the comment:

I don't believe there's anything Python can do about this, unless it can be 
confirmed that this is a bug that's been fixed in a more recent version of 
Tcl/Tk 8.6, in which case we can update our dependency.  The easy test for 
whether updating Tcl/Tk in 3.4 (which uses 8.6.1) will do any good is to try 
this out with 3.5.0b2 (which uses the latest 8.6.4).

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[issue23760] Tkinter in Python 3.4 on Windows don't post internal clipboard data to the Windows clipboard on exit

[Terry J. Reedy]

Changes by Terry J. Reedy tjre...@udel.edu:


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nosy: +serhiy.storchaka, terry.reedy
stage:  - test needed

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[issue23760] Tkinter in Python 3.4 on Windows don't post internal clipboard data to the Windows clipboard on exit

[Martin Panter]

Changes by Martin Panter vadmium...@gmail.com:


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[issue23760] Tkinter in Python 3.4 on Windows don't post internal clipboard data to the Windows clipboard on exit

[Victor Korolkevich]

New submission from Victor Korolkevich:

From 
http://stackoverflow.com/questions/26321333/tkinter-in-python-3-4-on-windows-dont-post-internal-clipboard-data-to-the-windo

I use the following code to place result in clipboard.

from tkinter import Tk
r = Tk()
r.withdraw()
r.clipboard_clear()
r.clipboard_append(Result)

It works fine on Python version 3.3.5 and earlier. But in Python 3.4 it was 
receive empty clipboard. If I prevent the script from the immediate exit, 
adding input() after clipboard_append(), I see that clipboard contains the 
correct Result.

If I run script, switch to any other window and press Ctrl+V, I receive 
Result and Result remains in clipboard after script exits.

I think in tcl/tk 8.6 clipboard_clear() affect system clipboard, but 
clipboard_append affect only internal tcl/tk clipboard that transfered to 
system clipboard only by OS request. Looks like it was done in Linux, that 
don't have system clipboard.

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components: Tkinter
messages: 239107
nosy: Victor Korolkevich
priority: normal
severity: normal
status: open
title: Tkinter in Python 3.4 on Windows don't post internal clipboard data to 
the Windows clipboard on exit
type: behavior
versions: Python 3.4

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[issue23760] Tkinter in Python 3.4 on Windows don't post internal clipboard data to the Windows clipboard on exit

[Victor Korolkevich]

Changes by Victor Korolkevich victor.korolkev...@gmail.com:


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versions: +Python 3.5

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