datetime.strptime without a year fails on Feb 29 #70647
Description
| BPO | 26460 |
|---|---|
| Nosy | @gpshead, @abalkin, @pganssle, @tirkarthi, @nickzoic |
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 2016-02-29.18:02:35.000>
labels = ['3.7', '3.8', 'type-feature', 'library']
title = 'datetime.strptime without a year fails on Feb 29'
updated_at = <Date 2020-03-03.17:16:20.440>
user = 'https://bugs.python.org/SriramRajagopalan'bugs.python.org fields:
activity = <Date 2020-03-03.17:16:20.440>
actor = 'nickzoic'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2016-02-29.18:02:35.000>
creator = 'Sriram Rajagopalan'
dependencies = []
files = []
hgrepos = []
issue_num = 26460
keywords = []
message_count = 13.0
messages = ['261014', '261024', '261027', '261028', '261033', '343085', '363123', '363202', '363215', '363217', '363223', '363257', '363280']
nosy_count = 8.0
nosy_names = ['gregory.p.smith', 'belopolsky', 'polymorphm', 'Sriram Rajagopalan', 'p-ganssle', 'xtreak', 'gerardw@alum.mit.edu', 'nickzoic']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue26460'
versions = ['Python 3.6', 'Python 3.7', 'Python 3.8']Linked PRs
- gh-70647: Better promote how to safely parse yearless dates in datetime. #116179
- gh-70647: Add detail to error message when parsing a bad day of month. #116184
- GH-70647: Deprecate strptime day of month parsing without a year present to avoid leap-year bugs #117107
- gh-70647: Raise a more informative error for when date is out of range #131335
- [3.12] gh-70647: update docs to mention the datetime 1900 year default 2/29 issue #131534
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