[subinterpreters] _xxsubinterpreters: Can't unpickle objects defined in main

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#81,473 opened on Jun 15, 2019 6 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 25/100

Issue type: Bug
Clarity: Needs clarification
Activity status: Stale
Tech stack: python
Domain: backend

Research direction

Start by reproducing the failure with _xxsubinterpreters and an object defined in main, then inspect the subinterpreter and pickle handling involved. Done means objects defined in main can be unpickled correctly across the affected subinterpreter use case.

Written by the indexing model from the issue text.

Description

3.8 (EOL) 3.9 (EOL) topic-subinterpreters type-bug

BPO	37292
Nosy	@ncoghlan, @ericsnowcurrently, @soltysh, @crusaderky, @LewisGaul

^{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 2019-06-15.13:06:31.523>
labels = ['expert-subinterpreters', 'type-bug', '3.8', '3.9']
title = "[subinterpreters] _xxsubinterpreters: Can't unpickle objects defined in __main__"
updated_at = <Date 2020-05-15.00:40:23.299>
user = 'https://github.com/crusaderky'

bugs.python.org fields:

activity = <Date 2020-05-15.00:40:23.299>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Subinterpreters']
creation = <Date 2019-06-15.13:06:31.523>
creator = 'crusaderky'
dependencies = []
files = []
hgrepos = []
issue_num = 37292
keywords = []
message_count = 6.0
messages = ['345680', '357396', '357413', '357447', '357448', '358423']
nosy_count = 5.0
nosy_names = ['ncoghlan', 'eric.snow', 'maciej.szulik', 'crusaderky', 'LewisGaul']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue37292'
versions = ['Python 3.8', 'Python 3.9']

Dominant language: Python
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