[Python-Dev] A 'common' respository? (was Re: IDLE in the stdlib)

Philip James pjj at philipjohnjames.com
Thu Mar 21 07:06:31 CET 2013

I hope I'm not coming across as pedantic, because I think you have some
good arguments listed above, but shouldn't discussion like this go in
python-ideas rather than python-dev? I'm very new to these lists, so
forgive me if I'm stepping on any toes, I'm just trying to grok what kind
of content should go in each list.


On Wed, Mar 20, 2013 at 7:30 PM, Terry Reedy <tjreedy at udel.edu> wrote:

> On 3/20/2013 8:15 PM, Terry Reedy wrote:
>  I will discuss repository separation in another response
> Here is a radical idea I have been toying with: set up a 'common'
> repository to 'factor out' files that are, could be, or should be the same
> across versions. The 'common' files would be declared (especially to
> packagers, when relevant) to be a part of each branch. Each release would
> (somehow - not my department) incorporate the latest version of everything
> in 'common'.
> What would go here?
> Misc/ACKS: the sensible idea that there should only be one copy of this
> file has been discussed before.
> LICENSE: I believe this is the same across current versions and must be
> edited in parallel for all future branches.
> xxx: others that I have not thought of.
> Doc/tools (sphinx and dependencies): setting this up separately but
> identically for each branch is a bit silly if it could be avoided. The
> sphinx versions should, of course, be the new one that runs on both python
> 2 and 3.
> idlelib: already discussed. Having only one IDLE version would partially
> speed up development.
> (surely controvesial) tkinter and _tkinter: I think the _tkinter and
> tkinter for each release should work with and be tested with the most
> recent tcl/tk release. Having only one tkinter version might make having
> one version of IDLE even easier.
> (probably even more controversial) tcl/tk (or at least the files needed to
> fetch and build - but as long as the sources are on python.org anyway,
> the sources could also be moved here from svn): For IDLE to really work the
> same across versions, it needs to run on the same tcl/tk version with the
> same bugfixes. For example, over a year ago, a French professor wrote
> python-list or idle-sig or maybe both saying that he would like to use IDLE
> in a class in Sept 2012, but there was a bug keeping it from working
> properly with French keyboards. He wanted to know if we were likely to fix
> it. The first answer (provided by Kevin Walzer) was that it was a tcl/tk
> bug that he (Kevin) was working on. The fix made it into 8.5.9 a year ago
> and hence into 3.3 but 2.7.3 or 3.2.3, released a month after the fix. So I
> later told him he could use IDLE, but, at least on Windows, only with the
> then upcoming 3.3. (I don't know the tcl/tk version policy for the
> non-Apple builds.)
> I do not know if tcl/tk 8.5.z releases have added many features or are
> primarily bugfixes like our micro releases. If the latter, the case for
> distributing at least the most recent 8.5.z with windows would seem pretty
> strong. I also do not know what 8.6.z adds. But an tcl/tk 'enhancement' of
> supporting astral characters might look like a bugfix for IDLE. (Running
> from IDLE, print(astral_char) raises, but I believe the same code works in
> some Linux interpreters.)
> yyy: any other external dependencies that we update on all versions.
> ---
> Terry Jan Reedy
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