Incorrect behaviour creating a Structure with ctypes.c_bool bitfields
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3.10
3.11
3.12
OS-windows
topic-ctypes
type-bug
- Dominant language
- Python
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- 77.2k
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Description
| BPO | 46758 |
|---|---|
| Nosy | @pfmoore, @tjguk, @zware, @zooba |
| 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 2022-02-15.12:01:56.442>
labels = ['3.10', 'ctypes', 'type-bug', '3.9', 'OS-windows']
title = 'Incorrect behaviour creating a Structure with ctypes.c_bool bitfields'
updated_at = <Date 2022-02-15.12:01:56.442>
user = 'https://bugs.python.org/dudenwatschn'
bugs.python.org fields:
activity = <Date 2022-02-15.12:01:56.442>
actor = 'dudenwatschn'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Windows', 'ctypes']
creation = <Date 2022-02-15.12:01:56.442>
creator = 'dudenwatschn'
dependencies = []
files = ['50624']
hgrepos = []
issue_num = 46758
keywords = []
message_count = 1.0
messages = ['413284']
nosy_count = 5.0
nosy_names = ['paul.moore', 'tim.golden', 'zach.ware', 'steve.dower', 'dudenwatschn']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue46758'
versions = ['Python 3.9', 'Python 3.10']
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 with the attached mre.py minimal runnable example and reproduce the ctypes.c_bool bitfield behavior on the Windows configuration named in the issue. Trace the Structure creation path and confirm that the incorrect behavior shown by the reproducer no longer occurs.
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
- 30/100