debugging with idle: current line not highlighted

[dzabel]

BPO	17382
Nosy	@terryjreedy, @rovitotv
Superseder	bpo-14146: IDLE: source line in editor doesn't highlight when debugging

^{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 2013-03-09.04:09:44.978>
created_at = <Date 2013-03-07.23:18:38.352>
labels = ['expert-IDLE', 'type-bug']
title = 'debugging with idle: current line not highlighted'
updated_at = <Date 2013-03-09.04:09:44.976>
user = 'https://bugs.python.org/dzabel'

bugs.python.org fields:

activity = <Date 2013-03-09.04:09:44.976>
actor = 'terry.reedy'
assignee = 'none'
closed = True
closed_date = <Date 2013-03-09.04:09:44.978>
closer = 'terry.reedy'
components = ['IDLE']
creation = <Date 2013-03-07.23:18:38.352>
creator = 'dzabel'
dependencies = []
files = []
hgrepos = []
issue_num = 17382
keywords = []
message_count = 4.0
messages = ['183711', '183714', '183757', '183792']
nosy_count = 3.0
nosy_names = ['terry.reedy', 'Todd.Rovito', 'dzabel']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = None
status = 'closed'
superseder = '14146'
type = 'behavior'
url = 'https://bugs.python.org/issue17382'
versions = ['Python 3.2', 'Python 3.3']

[dzabel]

When debugging with IDLE with checkbox "Source" enabled, the source window highlights the current line only when the source window is activated. If one of the buttons of the IDLE debug window is pressed ("Step", "Over" or "Out"), the source window is no longer active and the highlighting of the current line disappears. This makes stepwise execution quite boring.

This effect seems to be os specific. I found it on Windows XP SP3 and Windows 7 X64 SP1 both with Python 3.2 and Python 3.2.
I tried both Python 3.2 and Python 3.3 on Ubuntu 12.4 LTS, and the problem did not show up.
So it seems to be a windows-only problem.

[dzabel]

When debugging with IDLE with checkbox "Source" enabled, the source window highlights the current line only when the source window is activated. If one of the buttons of the IDLE debug window is pressed ("Step", "Over" or "Out"), the source window is no longer active and the highlighting of the current line disappears. This makes stepwise execution quite boring.

This effect seems to be os specific. I found it on Windows XP SP3 and Windows 7 X64 SP1 both with Python 3.2 and Python 3.3.
I tried both Python 3.2 and Python 3.3 on Ubuntu 12.4 LTS, and the problem did not show up.
So it seems to be a windows-only problem.

[rovitotv]

Dirk,
I think this issue is already documented as an issue but I will have to find it in the tracker.

[terryjreedy]

Dirk, sorry; in my email, I should have suggested searching for existing idle debugger issues before posting.