New submission from Guido Kollerie <gu...@kollerie.com>:
When logging messages with variable data one typically writes:
username = 'Guido'
logging.info('User %s logged in', username)
However Python 3 has support str.format (PEP 3101). If one has adopted
str.format for formatting strings in Python 3 code one should also be able to
write the above as:
logging.info('User {} logged in', username)
However this currently is not supported. For backwards compatibility,% style
logging should remain the default. However when a logger is configured using:
import logging
logging.basicConfig(style='{', format='{levelname}:{message}')
all subsequent calls to logging.debug, logging.info, logging.warning,
logging.error, logging.critical, logging.exception and logging.log should use
str.format for formatting.
----------
messages: 153481
nosy: gkoller
priority: normal
severity: normal
status: open
title: logging module cannot format str.format log messages
type: enhancement
versions: Python 3.2
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue14031>
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