Allow multiple assignment (i.e. tuple on LHS) in walrus operator

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#87,309 11 comments 10 reactions 0 assignees View on GitHub

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
25/100
Issue type
Feature
Clarity
Needs clarification
Activity status
Stale
Tech stack
python
Domain
compilers

Research direction

Start by reviewing the linked BPO issue 43143 and its discussion about allowing tuple assignment on the left-hand side of the walrus operator. The payload names no files, tests, or entry points, so the implementation scope and completion criteria must be established before work begins.

Written by the indexing model from the issue text.

Description

interpreter-core type-feature
BPO 43143
Nosy @gvanrossum, @tim-one, @rhettinger, @pfalcon, @emilyemorehouse, @lysnikolaou

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 2021-02-06.08:13:07.477>
labels = ['interpreter-core', '3.10']
title = 'Allow multiple assignment (i.e. tuple on LHS) in walrus operator'
updated_at = <Date 2021-02-08.07:31:26.572>
user = 'https://github.com/pfalcon'

bugs.python.org fields:

activity = <Date 2021-02-08.07:31:26.572>
actor = 'pfalcon'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Interpreter Core']
creation = <Date 2021-02-06.08:13:07.477>
creator = 'pfalcon'
dependencies = []
files = []
hgrepos = []
issue_num = 43143
keywords = []
message_count = 3.0
messages = ['386551', '386564', '386620']
nosy_count = 6.0
nosy_names = ['gvanrossum', 'tim.peters', 'rhettinger', 'pfalcon', 'emilyemorehouse', 'lys.nikolaou']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue43143'
versions = ['Python 3.10']

Dominant language
Python
Stars
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Forks
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Avg merge
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Merged PRs (30d)
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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.

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