Remove deprecated tkinter.tix module

[ned-deily]

BPO	31371
Nosy	@rhettinger, @pfmoore, @taleinat, @tjguk, @jkloth, @ned-deily, @zware, @serhiy-storchaka, @zooba
PRs	bpo-31371: Remove Tix #3393

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields:

assignee = None
closed_at = <Date 2018-09-06.14:42:24.327>
created_at = <Date 2017-09-06.21:33:20.186>
labels = ['expert-tkinter', 'OS-windows']
title = 'Remove deprecated tkinter.tix module'
updated_at = <Date 2018-09-06.14:42:24.324>
user = 'https://github.com/ned-deily'

bugs.python.org fields:

activity = <Date 2018-09-06.14:42:24.324>
actor = 'zach.ware'
assignee = 'none'
closed = True
closed_date = <Date 2018-09-06.14:42:24.327>
closer = 'zach.ware'
components = ['Tkinter', 'Windows']
creation = <Date 2017-09-06.21:33:20.186>
creator = 'ned.deily'
dependencies = []
files = []
hgrepos = []
issue_num = 31371
keywords = []
message_count = 5.0
messages = ['301524', '301545', '301570', '324670', '324695']
nosy_count = 9.0
nosy_names = ['rhettinger', 'paul.moore', 'taleinat', 'tim.golden', 'jkloth', 'ned.deily', 'zach.ware', 'serhiy.storchaka', 'steve.dower']
pr_nums = ['3393']
priority = 'normal'
resolution = 'later'
stage = 'resolved'
status = 'closed'
superseder = None
type = None
url = 'https://bugs.python.org/issue31371'
versions = []

Linked PRs

• gh-75552: Remove deprecated tkinter.tix module #104902

[ned-deily]

Tix is an old Tk widget extension set that has long been superseded by the ttk widgets that were added in Tk 8.5, officially released 10 years ago and since superseded by Tk 8.6. Tix was useful for users of Tk 8.4 but tkinter is no longer built, tested, or supported with 8.4. Despite that, we have continued to build and ship Tix with the python.org Windows installers. The last maintenance release of Tix was in 2008.

As of Python 3.6.0 (https://docs.python.org/3.6/library/tkinter.tix.html), we documented tkinter.tix as:

Deprecated since version 3.6: This Tk extension is unmaintained
and should not be used in new code. Use tkinter.ttk instead.

For 3.7, I believe it is time to remove both tkinter.tix and the building of Tix in the Windows builds.

[rhettinger]

+1 for removal.

[serhiy-storchaka]

According to PEP-4, "In order to facilitate writing code that works in both Python 2 & 3 simultaneously, any module that exists in both Python 3.5 and Python 2.7 will not be removed from the standard library until Python 2.7 is no longer supported as specified by PEP-373." Is there a reason for haste? The Tix library still is included in recent versions of Linux distributives and should be compatible with Tcl 8.6.

Ttk is not direct replacement of Tix. They provide different sets of widgets. May be you meant Tile, the predecessor of ttk?

[taleinat]

We should decide on this.

I agree with Serhiy that in accordance with PEP-4, as long as Tix still works, we should keep it.

[zware]

We missed the boat for 3.7 anyway.

With the PEP-4 argument, I won't push any further for ripping Tix out completely before 2020, but if something happens to break building it on Windows before then my fix will be to remove it from the Windows build.

[zware]

The time is ripe. tkinter.tix has been deprecated in documentation since 3.6, has emitted DeprecationWarning on import since 3.11 in accordance with PEP-387, and with Python 2.7 long dead (for us, anyway :)) PEP-4 (since rewritten) is no longer a concern.