using configobj string interpolation and logging.config.dictConfig

[Tim Williams]

On Thursday, May 25, 2017 at 5:16:13 PM UTC-4, Peter Otten wrote:
> Tim Williams wrote:
> 
> > On Wednesday, May 24, 2017 at 5:47:37 PM UTC-4, Peter Otten wrote:
> >> Tim Williams wrote:
> >> 
> >> > Just as a followup, if I use 'unrepr=True' in my ConfigObj, I don't
> >> > have to convert the strings.
> >> 
> >> I'd keep it simple and would use JSON...
> > 
> > I looked at JSON at first, but went with configobj because I didn't see
> > where it did string interpolation, which I needed for other parts of my
> > INI file, and I'm trying to use it to specify my log file in my handler.
> > 
> > Which brings me to ...
> 
> > I have this stripped down INI file:
> > 
> ...
> 
> How do you get
> 
> > LogFile = '%(CaptureDrive)s%(RootDir)s/test.log'
> 
> to be interpolated while leaving
> 
> > format = '%(asctime)s: (%(levelname)s)  %(message)s'
> 
> as is?
> 
> > However, when I try to call logging.config.dictConfig() on it, the stream
> > that is opened on creating the logging.FileHandler object is
> > "%(LogFile)s", not "C:/TestData/test.log".
> 
> I don't even get this far:
> 
> >>> c = configobj.ConfigObj("second.ini", unrepr=True)
> >>> c.dict()
> Traceback (most recent call last):
> ...
> configobj.MissingInterpolationOption: missing option "asctime" in 
> interpolation.
> 
> I tried to escape % as %%, but that doesn't seem to work. When I provide 
> bogus replacements
> 
> >>> c = configobj.ConfigObj("third.ini", unrepr=True)
> >>> pprint.pprint(c.dict()["loggng"])
> {'CaptureDrive': 'C:/',
>  'LogFile': 'C:/TestData/test.log',
>  'RootDir': 'TestData',
>  'asctime': 'ASCTIME',
>  'formatters': {'fmt1': {'datefmt': '',
>                          'format': 'ASCTIME: (LEVELNAME)  MESSAGE'}},
>  'handlers': {'console': {'class': 'logging.StreamHandler',
>                           'level': 'INFO',
>                           'stream': 'ext://sys.stdout'},
>               'file': {'class': 'logging.FileHandler',
>                        'filename': 'C:/TestData/test.log',
>                        'level': 'WARN'}},
>  'level': 'INFO',
>  'levelname': 'LEVELNAME',
>  'loggers': {'root': {'handlers': ['file', 'console'], 'level': 'INFO'}},
>  'message': 'MESSAGE',
>  'version': 1}
> 
> I get the expected output.

I'm at home now, so I don't have my environment, but if I do a c.dict() I get the error about asctime also. If I just pass in the dict object or do a 'dict(config['loggng'])', I don't get that.