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Title: logging: fileConfig doesn't support formatter styles
Type: enhancement Stage:
Components: Versions: Python 3.4
process
Status: closed Resolution: wont fix
Dependencies: Superseder:
Assigned To: Nosy List: domzippilli, vinay.sajip
Priority: normal Keywords:

Created on 2014年09月24日 15:59 by domzippilli, last changed 2022年04月11日 14:58 by admin. This issue is now closed.

Messages (2)
msg227460 - (view) Author: Dom Zippilli (domzippilli) Date: 2014年09月24日 15:59
In the logging module's config.py, see the _create_formatters(cp) method used by the fileConfig() method. Note that it pulls "format" and "datefmt" and submits these in the formatter constructor:
f = c(fs, dfs)
However, the Formatter constructor has a third argument for formatting style:
def __init__(self, fmt=None, datefmt=None, style='%')
Since the argument is not passed, ConfigParser-format logging configs must use %-style logging format masks. We'd prefer to use curlies.
Note that the code for the dictionary configurator does this correctly:
 fmt = config.get('format', None)
 dfmt = config.get('datefmt', None)
 style = config.get('style', '%')
 result = logging.Formatter(fmt, dfmt, style)
msg227478 - (view) Author: Vinay Sajip (vinay.sajip) * (Python committer) Date: 2014年09月24日 18:08
While fileConfig() is not deprecated, I'm not planning to enhance it, as the newer dictConfig() API offers better functionality overall. With dictConfig(), you do have support for alternative formatting styles.
History
Date User Action Args
2022年04月11日 14:58:08adminsetgithub: 66672
2014年10月06日 09:15:55vinay.sajipsetstatus: open -> closed
resolution: wont fix
2014年09月24日 18:08:56vinay.sajipsetmessages: + msg227478
2014年09月24日 16:16:06berker.peksagsetnosy: + vinay.sajip
2014年09月24日 15:59:18domzippillicreate

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