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Fix UserDict.get to account for __missing__ #83445
Description
| BPO | 39264 |
|---|---|
| Nosy | @bharel |
| PRs |
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 2020-01-08.23:51:15.983>
labels = ['3.7', '3.8', 'type-bug', 'library', '3.9']
title = 'Fix UserDict.get to account for __missing__'
updated_at = <Date 2020-01-09.00:12:54.440>
user = 'https://github.com/bharel'bugs.python.org fields:
activity = <Date 2020-01-09.00:12:54.440>
actor = 'bar.harel'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2020-01-08.23:51:15.983>
creator = 'bar.harel'
dependencies = []
files = []
hgrepos = []
issue_num = 39264
keywords = ['patch']
message_count = 2.0
messages = ['359633', '359641']
nosy_count = 1.0
nosy_names = ['bar.harel']
pr_nums = ['17910']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue39264'
versions = ['Python 3.7', 'Python 3.8', 'Python 3.9']
Activity
bharel commented on Jan 8, 2020
Unlike dict, UserDict.__missing__ is called on .get().
After a discussion on the Python-Dev mailing list, mimicking dict's behavior was chosen as a solution to the issue.
bharel commented on Jan 9, 2020
See also bpo-39267
bharel commented on Apr 17, 2023
Please see #83448 as well.