IDLE: Replace All up, no wrap replaces one up, all down

[Qwert225]

BPO	27769
Nosy	@terryjreedy

^{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/terryjreedy'
closed_at = None
created_at = <Date 2016-08-15.15:13:41.778>
labels = ['expert-IDLE', 'type-bug', '3.10']
title = 'IDLE: Replace All up, no wrap replaces one up, all down'
updated_at = <Date 2020-06-06.19:35:26.959>
user = 'https://bugs.python.org/Qwert225'

bugs.python.org fields:

activity = <Date 2020-06-06.19:35:26.959>
actor = 'terry.reedy'
assignee = 'terry.reedy'
closed = False
closed_date = None
closer = None
components = ['IDLE']
creation = <Date 2016-08-15.15:13:41.778>
creator = 'Qwert225'
dependencies = []
files = []
hgrepos = []
issue_num = 27769
keywords = []
message_count = 3.0
messages = ['272768', '272769', '272792']
nosy_count = 2.0
nosy_names = ['terry.reedy', 'Qwert225']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue27769'
versions = ['Python 3.10']

Linked PRs

• gh-71956: Fix IDLE Replace All searching up without wrap around #152737
• [3.15] gh-71956: Fix IDLE Replace All searching up without wrap around (GH-152737) #152799
• [3.14] gh-71956: Fix IDLE Replace All searching up without wrap around (GH-152737) #152800
• [3.13] gh-71956: Fix IDLE Replace All searching up without wrap around (GH-152737) #152801

[Qwert225]

IDLE's "Replace All" option with up direction and disabled "Wrap around" replaces only the bottommost of all matching upward entries instead of replacing all matching upward entries.

[Qwert225]

EDIT: IDLE's "Replace All" with up direction and no wrapping replaces one upward matching entry and all downward matching entries even though it is set to replace all upward entries.

[terryjreedy]

Edited title to fit in the box. Minimal reproducer, which can become a test. File as follows, where '|' represent the cursor, not the character.

a
a|
a

Cntl-H, enter search for 'a', replace with 'b', check 'up', uncheck 'wrap', click Replace All. Result matches what you said.

a
b
b

Thanks for the report. This is definitely a bug. In the future, try to post a minimal example, such as the above, as well as a description. Whether I backport a fix depends on how easy it would be.