Message.get_filename produces exception if the RFC2231 encoding is ill-formed

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Assessment

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

Research direction

Start with the Message.get_filename behavior described in issue 17369 and review the attached collapse_rfc2231_value.patch and rfc2231_issue17369_in_progress.patch. Reproduce the failure using an ill-formed RFC2231 value and inspect the existing email handling around it. Done means the malformed value no longer produces an exception, with regression coverage for that case.

Written by the indexing model from the issue text.

Description

stdlib topic-email type-bug
BPO 17369
Nosy @warsaw, @vstinner, @bitdancer, @karlcow
Files
  • collapse_rfc2231_value.patch
  • rfc2231_issue17369_in_progress.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 = None
closed_at = None
created_at = <Date 2013-03-06.22:25:40.309>
labels = ['type-bug', 'expert-email']
title = 'Message.get_filename produces exception if the RFC2231 encoding is ill-formed'
updated_at = <Date 2019-07-29.11:49:58.757>
user = 'https://github.com/bitdancer'

    bugs.python.org fields:

    activity = <Date 2019-07-29.11:49:58.757>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['email']
creation = <Date 2013-03-06.22:25:40.309>
creator = 'r.david.murray'
dependencies = []
files = ['29344', '29781']
hgrepos = []
issue_num = 17369
keywords = ['patch']
message_count = 8.0
messages = ['183619', '183630', '183631', '183704', '186585', '210538', '210539', '348639']
nosy_count = 6.0
nosy_names = ['barry', 'vstinner', 'r.david.murray', 'karlcow', 'python-dev', 'Ankur.Ankan']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'needs patch'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue17369'
versions = []

    Dominant language
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