python / python/cpython

`venv` → `ensurepip` may read local `setup.cfg` and fail mysteriously

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3.9 (EOL) stdlib topic-ensurepip topic-venv type-bug
Dominant language
Python
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Forks
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PR merge metrics
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Description

BPO 45131
Nosy @ncoghlan, @dstufft, @pradyunsg, @nutjob4life

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 = None
created_at = <Date 2021-09-07.18:15:21.876>
labels = ['type-bug', '3.9']
title = '`venv` \xe2\x86\x92 `ensurepip` may read local `setup.cfg` and fail mysteriously'
updated_at = <Date 2021-10-15.21:35:17.134>
user = 'https://github.com/nutjob4life'

bugs.python.org fields:

activity = <Date 2021-10-15.21:35:17.134>
actor = 'FFY00'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = []
creation = <Date 2021-09-07.18:15:21.876>
creator = 'nutjob4life'
dependencies = []
files = []
hgrepos = []
issue_num = 45131
keywords = []
message_count = 1.0
messages = ['401320']
nosy_count = 4.0
nosy_names = ['ncoghlan', 'dstufft', 'pradyunsg', 'nutjob4life']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue45131'
versions = ['Python 3.9']

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 by reproducing the venv → ensurepip flow in a directory containing a local setup.cfg, then trace the relevant venv and ensurepip entry points. Confirm how the local file affects the operation and define regression coverage that demonstrates the failure no longer occurs.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
tooling
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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