Prepend to logging message

[Joan Miller]

On 10 ene, 10:26, Peter Otten <__pete... at web.de> wrote:
> Joan Miller wrote:
> > How to prepend anything to a logging message? Is possible to do it
> > from the dictionary object (ExtraLog) or is there is that override
> > process() [1]?
>
> > ------------------
> > class ExtraLog(object):
>
> >     def __getitem__(self, name):
> >         if name == 'foo':
> >             result = 'testing'
> >         return result
>
> >     def __iter__(self):
> >         keys = ['foo',]
> >         keys.extend(self.__dict__.keys())
> >         return iter(keys)
>
> format = "foo=%(foo)s " + logging.BASIC_FORMAT
> logging.basicConfig(format=format)
> logger = logging.LoggerAdapter(logging.getLogger('foo'), ExtraLog())
> logger.error("yadda")
>
> Is that what you want?
>
> Peter

I want that a message can be modified before of being logged. i.e. for
"yadda" I would that were preppend 2 spaces. (And I want not manage
that in the format to manage the indentation of all text)