python / python/cpython

Should warnings.warn default to stacklevel=2?

Open
#88,462 2 comments 4 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

stdlib type-feature
Dominant language
Python
Stars
77.2k
Forks
36k
Avg merge
1d 9h
Merged PRs (30d)
558

Description

BPO 44296
Nosy @asottile

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 = None
created_at = <Date 2021-06-02.23:55:20.255>
labels = ['type-bug', 'library', '3.11']
title = 'Should warnings.warn default to stacklevel=2?'
updated_at = <Date 2021-06-02.23:55:20.255>
user = 'https://github.com/asottile'

bugs.python.org fields:

activity = <Date 2021-06-02.23:55:20.255>
actor = 'Anthony Sottile'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-06-02.23:55:20.255>
creator = 'Anthony Sottile'
dependencies = []
files = []
hgrepos = []
issue_num = 44296
keywords = []
message_count = 1.0
messages = ['394960']
nosy_count = 1.0
nosy_names = ['Anthony Sottile']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue44296'
versions = ['Python 3.11']

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the migrated BPO issue 44296 and the question about warnings.warn defaulting to stacklevel=2. Clarify the intended behavior and its compatibility impact before identifying implementation files or tests; done means the default behavior is agreed and covered by appropriate validation.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
backend
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.