Accept lists in Tkinter

[serhiy-storchaka]

BPO	21525
Nosy	@loewis, @terryjreedy, @serhiy-storchaka
Files	tkinter_accept_lists.patch

^{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 = 'https://github.com/serhiy-storchaka'
closed_at = <Date 2014-05-21.14:21:46.656>
created_at = <Date 2014-05-18.16:04:31.873>
labels = ['type-feature', 'expert-tkinter']
title = 'Accept lists in Tkinter'
updated_at = <Date 2014-05-21.14:21:46.655>
user = 'https://github.com/serhiy-storchaka'

bugs.python.org fields:

activity = <Date 2014-05-21.14:21:46.655>
actor = 'serhiy.storchaka'
assignee = 'serhiy.storchaka'
closed = True
closed_date = <Date 2014-05-21.14:21:46.656>
closer = 'serhiy.storchaka'
components = ['Tkinter']
creation = <Date 2014-05-18.16:04:31.873>
creator = 'serhiy.storchaka'
dependencies = []
files = ['35282']
hgrepos = []
issue_num = 21525
keywords = ['patch']
message_count = 3.0
messages = ['218747', '218768', '218875']
nosy_count = 5.0
nosy_names = ['loewis', 'terry.reedy', 'gpolo', 'python-dev', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue21525'
versions = ['Python 3.5']

[serhiy-storchaka]

There is very common error when user pass list instead tuple to Tkinter. Some functions accept both tuple and list, some functions reject list, but many functions silently convert non-tuple value to str (e.g. [1, 2] -> '[1, 2]' instead of expected Tcl representation '{1 2}'). The proposed patch adds support of Python lists in all Tkinter functions which accept tuples.

[terryjreedy]

Sounds like a good idea to me. The code looks pretty straightforward as far as I understood it.

[python-dev]

New changeset 8676e436c0f0 by Serhiy Storchaka in branch 'default':
Issue bpo-21525: Most Tkinter methods which accepted tuples now accept lists too.
http://hg.python.org/cpython/rev/8676e436c0f0