On Nov 4, 1:30 pm, Vinay Sajip <vinay_sa...@yahoo.co.uk> wrote: > On Nov 4, 7:40 pm, Reckoner <recko...@gmail.com> wrote: > > > > > I hope that made some sense. > > Not especially :-( > > Sorry I don't understand exactly what you mean, because I find your > terminology confusing. For example, "logger that is attached to foo2" > - loggers are not attached to functions. "It responds to the 'root' > logger" - what responds? What's meant by "respond"? > > Loggers correspond to specific code components in an application. > Normally these areas are modules and sometimes they're classes. > > You can certainly treat functions as areas but this will typically > become unwieldy in any sizeable application. It doesn't (in general) > make sense to have a specific logger for foo1 for use only when it's > called by foo2. These seem like anti-patterns to me. > > Handlers are attached to loggers to make events logged via those > loggers available to different audiences - via console, file, email > etc. > > If you want to log that foo1 is being called by foo2, you can do this. > For example, you could have a utility function which walks (a > sufficient part of) the call stack to see the function call hierarchy, > then log this as additional information (e.g. using the 'extra' > parameter to the logging call). You can attach Filters to loggers and > handlers which use this information to decide where and whether to > actually record the event. > > As well as the Python logging documentation, you may also find the > following link useful: > > http://plumberjack.blogspot.com/2009/09/python-logging-101.html > > Regards, > > Vinay Sajip
I appreciate your patience, as I am new to this. Your comments have put me on the right track. I will look at the link you specify. Thanks again. -- http://mail.python.org/mailman/listinfo/python-list