Deprecation warning due to invalid escape sequences in Doc/tools/extensions/peg_highlight.py

[tirkarthi]

BPO	41679
Nosy	@vstinner, @pablogsal, @miss-islington, @tirkarthi
PRs	bpo-41679: Fix invalid escape sequences in the peg_highlight Sphinx extension #22047 [3.9] bpo-41679: Fix invalid escape sequences in the peg_highlight Sphinx extension (GH-22047) #22065

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

Show more details

GitHub fields:

assignee = None
closed_at = <Date 2020-09-02.16:53:39.137>
created_at = <Date 2020-08-31.16:11:52.976>
labels = ['type-bug', '3.10', 'build']
title = 'Deprecation warning due to invalid escape sequences in Doc/tools/extensions/peg_highlight.py'
updated_at = <Date 2020-09-02.16:53:39.136>
user = 'https://github.com/tirkarthi'

bugs.python.org fields:

activity = <Date 2020-09-02.16:53:39.136>
actor = 'pablogsal'
assignee = 'none'
closed = True
closed_date = <Date 2020-09-02.16:53:39.137>
closer = 'pablogsal'
components = ['Build']
creation = <Date 2020-08-31.16:11:52.976>
creator = 'xtreak'
dependencies = []
files = []
hgrepos = []
issue_num = 41679
keywords = ['patch']
message_count = 2.0
messages = ['376158', '376198']
nosy_count = 4.0
nosy_names = ['vstinner', 'pablogsal', 'miss-islington', 'xtreak']
pr_nums = ['22047', '22065']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue41679'
versions = ['Python 3.10']

[tirkarthi]

Following warnings are caused in Doc/tools/extensions/peg_highlight.py . These warnings show up during doc builds since the extension is used in the build. This is an easy issue to fix.

./python -Wall -m py_compile /root/cpython/Doc/tools/extensions/peg_highlight.py
/root/cpython/Doc/tools/extensions/peg_highlight.py:62: DeprecationWarning: invalid escape sequence \s
r"^\s*" + _name + "\s*" + "(\[.*\])?" + "\s*" + "(\(.+\))?" + "\s*(:)",
/root/cpython/Doc/tools/extensions/peg_highlight.py:62: DeprecationWarning: invalid escape sequence \[
r"^\s*" + _name + "\s*" + "(\[.*\])?" + "\s*" + "(\(.+\))?" + "\s*(:)",
/root/cpython/Doc/tools/extensions/peg_highlight.py:62: DeprecationWarning: invalid escape sequence \s
r"^\s*" + _name + "\s*" + "(\[.*\])?" + "\s*" + "(\(.+\))?" + "\s*(:)",
/root/cpython/Doc/tools/extensions/peg_highlight.py:62: DeprecationWarning: invalid escape sequence \(
r"^\s*" + _name + "\s*" + "(\[.*\])?" + "\s*" + "(\(.+\))?" + "\s*(:)",
/root/cpython/Doc/tools/extensions/peg_highlight.py:62: DeprecationWarning: invalid escape sequence \s
r"^\s*" + _name + "\s*" + "(\[.*\])?" + "\s*" + "(\(.+\))?" + "\s*(:)",

[vstinner]

Do you want to propose a PR to fix these warnings?