datetime: support leap seconds

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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
backend

Research direction

Start by reviewing the linked datetime_leapsecond.patch and support_leap_seconds.patch, then inspect the current datetime implementation and its tests. Determine the intended leap-second behavior and API implications before proposing changes; done means the design is agreed and the behavior is covered by tests.

Written by the indexing model from the issue text.

Description

extension-modules stdlib type-feature
BPO 23574
Nosy @malemburg, @abalkin, @vstinner, @dhellmann, @4kir4, @pganssle, @maxnoe
Files
  • datetime_leapsecond.patch
  • support_leap_seconds.patch
    		•

    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 2015-03-03.14:42:23.359>
labels = ['library']
title = 'datetime: support leap seconds'
updated_at = <Date 2020-03-29.23:25:48.165>
user = 'https://github.com/vstinner'

    bugs.python.org fields:

    activity = <Date 2020-03-29.23:25:48.165>
actor = 'vstinner'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2015-03-03.14:42:23.359>
creator = 'vstinner'
dependencies = []
files = ['38317', '38319']
hgrepos = []
issue_num = 23574
keywords = ['patch']
message_count = 15.0
messages = ['237142', '237144', '237146', '237147', '237148', '237413', '238004', '244064', '244151', '247059', '247743', '247760', '247762', '365224', '365285']
nosy_count = 8.0
nosy_names = ['lemburg', 'belopolsky', 'vstinner', 'doughellmann', 'akira', 'dlroo', 'p-ganssle', 'maxnoe']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = None
url = 'https://bugs.python.org/issue23574'
versions = ['Python 2.7']

    Dominant language
    Python
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