python / python/cpython

PyInstanceMethod_Type isn't hashable

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3.11 interpreter-core type-feature
Dominant language
Python
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Description

BPO 28842
Nosy @wolever, @MojoVampire

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 2016-11-30.18:26:33.954>
labels = ['interpreter-core', 'type-feature', '3.11']
title = "PyInstanceMethod_Type isn't hashable"
updated_at = <Date 2021-11-30.16:58:14.601>
user = 'https://github.com/wolever'

bugs.python.org fields:

activity = <Date 2021-11-30.16:58:14.601>
actor = 'iritkatriel'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Interpreter Core']
creation = <Date 2016-11-30.18:26:33.954>
creator = 'wolever'
dependencies = []
files = []
hgrepos = []
issue_num = 28842
keywords = []
message_count = 2.0
messages = ['282091', '282094']
nosy_count = 2.0
nosy_names = ['wolever', 'josh.r']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue28842'
versions = ['Python 3.11']

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 locating PyInstanceMethod_Type in CPython's interpreter core and inspect how hashability is defined for related types. Check existing tests for instance-method behavior and establish the expected hash behavior; done means PyInstanceMethod_Type is hashable with regression coverage.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
compilers
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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