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string.Formatter class not allowing {.field} #88662
Description
| BPO | 44496 |
|---|---|
| Nosy | @ericvsmith, @corona10 |
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 2021-06-23.07:26:04.217>
labels = ['3.8', 'type-bug', 'library']
title = 'string.Formatter class not allowing {.field}'
updated_at = <Date 2021-11-03.13:39:08.555>
user = 'https://bugs.python.org/avdwoude'bugs.python.org fields:
activity = <Date 2021-11-03.13:39:08.555>
actor = 'eric.smith'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-06-23.07:26:04.217>
creator = 'avdwoude'
dependencies = []
files = []
hgrepos = []
issue_num = 44496
keywords = []
message_count = 2.0
messages = ['396383', '405615']
nosy_count = 3.0
nosy_names = ['eric.smith', 'corona10', 'avdwoude']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue44496'
versions = ['Python 3.8']
Activity
avdwoude commentedon Jun 23, 2021
I expected the custom Formatter to behave the same as the normal "".format() function, but unnamed args or not supported.
Below is an example, which fails at a KeyError.
print("Normal format() is {.msg}".format(t))
ericvsmith commentedon Nov 3, 2021
I think this is a dupe of bpo-27307.
encukou commentedon Jan 31, 2025
Fixed by: #21767