ConfigParser has optionxform, but not sectionxform

[Anaphory]

BPO	26537
Nosy	@ambv, @zhangyangyu, @csabella
Files	add_sectionxform.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/ambv'
closed_at = None
created_at = <Date 2016-03-11.06:40:17.487>
labels = ['3.8', 'type-feature', 'library']
title = 'ConfigParser has optionxform, but not sectionxform'
updated_at = <Date 2019-03-29.06:50:17.393>
user = 'https://bugs.python.org/Anaphory'

bugs.python.org fields:

activity = <Date 2019-03-29.06:50:17.393>
actor = 'methane'
assignee = 'lukasz.langa'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2016-03-11.06:40:17.487>
creator = 'Anaphory'
dependencies = []
files = ['42752']
hgrepos = []
issue_num = 26537
keywords = ['patch']
message_count = 5.0
messages = ['261543', '264679', '264961', '269150', '332569']
nosy_count = 4.0
nosy_names = ['lukasz.langa', 'xiang.zhang', 'Anaphory', 'cheryl.sabella']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue26537'
versions = ['Python 3.8']

[Anaphory]

configparser.ConfigParser (resp. ConfigParser.RawConfigParser for python2) has a optionxform function which converts the option names in a section to lower case by default.

A similar function for section titles would be expected (cf. lmaurits/BEASTling#46 (comment)), but it does not exist.

If ConfigParser called such a function (reasonably named sectionxform), which would default to None (or the identity function) for backward compatibility, that would be nice and consistent.

[ambv]

I agree sectionxform would be nice. Care to author a patch?

The current workaround is modifying the SECTCRE regular expression.

[zhangyangyu]

I write a patch to add sectionxform. It wraps necessary section name operation I think. Hope to have some feedback.

[zhangyangyu]

ping

[csabella]

Would it be worthwhile to convert this patch to a PR for 3.8?