python / python/cpython

MIMEMultipart enforces line endings also for binary subparts

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3.9 (EOL) topic-email type-bug
Dominant language
Python
Stars
77.2k
Forks
36k
PR merge metrics
PR metrics pending

Description

BPO 46154
Nosy @warsaw, @bitdancer

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 2021-12-22.16:36:56.167>
labels = ['type-bug', 'expert-email', '3.9']
title = 'MIMEMultipart enforces line endings also for binary subparts'
updated_at = <Date 2021-12-22.16:36:56.167>
user = 'https://bugs.python.org/sophonet'

bugs.python.org fields:

activity = <Date 2021-12-22.16:36:56.167>
actor = 'sophonet'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['email']
creation = <Date 2021-12-22.16:36:56.167>
creator = 'sophonet'
dependencies = []
files = []
hgrepos = []
issue_num = 46154
keywords = []
message_count = 1.0
messages = ['409041']
nosy_count = 3.0
nosy_names = ['barry', 'r.david.murray', 'sophonet']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue46154'
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 with the migrated BPO issue 46154 and the email component; the payload does not identify implementation files or tests. Reproduce the reported MIMEMultipart behavior with binary subparts, then add regression coverage showing the expected handling of line endings.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
backend
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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