[Tkinter-discuss] implementation change to simplify Tkinter event loop and threading issues

[engelbert gruber]

a PEP of course

On 9 June 2018 at 09:31, engelbert gruber <grubert at users.sourceforge.net>
wrote:

> does this mean there will be a TIP and a GO ?
>
> On 7 June 2018 at 01:06, Cameron Laird <Cameron at phaseit.net> wrote:
>
>> On Wed, Jun 06, 2018 at 12:55:25PM -0700, Tim Jones wrote:
>>                         .
>>                         .
>>                         .
>> > > On Jun 6, 2018, at 11:56 AM, Mark Roseman <mark at markroseman.com>
>> wrote:
>> > >
>> > > The best part of this, at least as far as stability goes, is that Tcl
>> controls the timing of the calls into Tkinter, so that it will only make
>> them when it’s “safe” to do so, from a thread it expects to do so from,
>> etc. Given that Tcl has the stricter restrictions on what can be called
>> when and from where, this seems like a win. On the Tkinter side, it never
>> has to worry about if it’s safe to call into Tcl.
>> > >
>> > > (The one exception to this is probably application startup, i.e.
>> before we hit mainloop, where Tkinter would just call directly into Tcl. It
>> may be a reasonable restriction to say that you have to make Tkinter calls
>> from the originating thread if they’re made before you hit mainloop).
>> > >
>> > > To me this appears like it should be feasible. Any thoughts?
>> > >
>> > > Mark
>> >
>> > Such a change alone would bring me back to Python and TKInter for UI
>> apps.
>>                         .
>>                         .
>>                         .
>> Me, too!
>>
>> That is, this change sounds to me:
>> * feasible
>> * overdue
>> * welcome.
>>
>> I only wish I had availability to offer to help.  I actually was working
>> on the Tcl event loop in '96-97 ...
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>>
>
>
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