Python Logging and printf()
ganesh1pal at gmail.com
Mon Nov 24 10:05:19 CET 2014
Thanks for the comments , Iam planning to use logging handlers (
StreamHandler and FileHandler) to achieve my requirement .
Any quick reference example to this will be great , Iam on Python 2.7 , Iam
referring the python docs for mow.
On Fri, Nov 21, 2014 at 5:25 PM, Chris Angelico <rosuav at gmail.com> wrote:
> On Fri, Nov 21, 2014 at 9:48 PM, Ganesh Pal <ganesh1pal at gmail.com> wrote:
> > Please provide your input on the below questions.
> > (1). How do i guarantee that all console messages will be logged into
> > logfile ?
> > (2) I feel the need to retain few print(), how do I ensure the print()
> > messages are also logged into the log file.
> If you're using Python 3, you can shadow print() with your own
> function. The logging functions don't have the same signature, so
> you'd need to write a wrapper (or else stick to a strict policy of
> "one argument to print() and it must be a string"), but it's certainly
> But part of the point of the logging module is that it's not the same
> as console messages: you can reduce log spam by changing the logging
> level. So no, you don't have a guarantee that all console messages
> will be logged to the log file. If you want that, I would suggest a
> process-level wrapper - something which invokes a subprocess with
> redirected stdout and/or stderr - or, at very least, a startup routine
> that does the redirection (which will have similar effect, except that
> it can't catch startup failure messages from Python itself).
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