Command-line option to suppress "from None" for debugging

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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
cli

Research direction

Start by reading the migrated BPO issue 30097 and its six-message discussion about suppressing "from None" during debugging. The issue names no files or tests, so first identify the interpreter and command-line handling involved and clarify the intended option behavior before implementation. Done should include an agreed command-line interface and corresponding coverage.

Written by the indexing model from the issue text.

Description

interpreter-core type-feature
BPO 30097
Nosy @rhettinger, @ncoghlan, @ethanfurman, @vadmium, @serhiy-storchaka, @wm75, @Mariatta

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 2017-04-18.22:11:52.228>
labels = ['interpreter-core', 'type-bug', '3.8']
title = 'Command-line option to suppress "from None" for debugging'
updated_at = <Date 2020-02-29.23:13:57.364>
user = 'https://github.com/rhettinger'

bugs.python.org fields:

activity = <Date 2020-02-29.23:13:57.364>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Interpreter Core']
creation = <Date 2017-04-18.22:11:52.228>
creator = 'rhettinger'
dependencies = []
files = []
hgrepos = []
issue_num = 30097
keywords = []
message_count = 6.0
messages = ['291844', '291857', '293185', '293466', '362476', '362485']
nosy_count = 7.0
nosy_names = ['rhettinger', 'ncoghlan', 'ethan.furman', 'martin.panter', 'serhiy.storchaka', 'wolma', 'Mariatta']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue30097'
versions = ['Python 3.8']

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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