pickle does not serialize Exception __cause__ field
Open
Nobody has claimed this yet.
3.11
stdlib
type-bug
- Dominant language
- Python
- Stars
- 77.2k
- Forks
- 36k
- PR merge metrics
- PR metrics pending
Description
| BPO | 29466 |
|---|---|
| Nosy | @brettcannon, @ncoghlan, @diekhans, @avassalotti, @ericsnowcurrently, @serhiy-storchaka, @tjb900, @kakshay21, @iritkatriel |
| Files |
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 2017-02-06.18:36:36.651>
labels = ['type-bug', 'library', '3.11']
title = 'pickle does not serialize Exception __cause__ field'
updated_at = <Date 2022-01-06.16:21:58.240>
user = 'https://github.com/diekhans'
bugs.python.org fields:
activity = <Date 2022-01-06.16:21:58.240>
actor = 'iritkatriel'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2017-02-06.18:36:36.651>
creator = 'diekhans'
dependencies = []
files = ['46550']
hgrepos = []
issue_num = 29466
keywords = []
message_count = 6.0
messages = ['287163', '287304', '335686', '396603', '396604', '409871']
nosy_count = 9.0
nosy_names = ['brett.cannon', 'ncoghlan', 'diekhans', 'alexandre.vassalotti', 'eric.snow', 'serhiy.storchaka', 'tjb900', 'kakshay', 'iritkatriel']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue29466'
versions = ['Python 3.11']
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by running the linked cause_pickle.py bug demo, then inspect CPython's pickle handling for exception state and existing regression tests. Confirm the expected behavior for an exception with a cause, add coverage for serialization and deserialization, and verify that the cause is preserved.
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
- Mostly clear
- Newbie friendliness
- 35/100