how to use logging module to log an object like print()
Vinay Sajip
vinay_sajip at yahoo.co.uk
Wed Oct 29 09:17:52 EDT 2008
On Oct 29, 11:24 am, Steve Holden <st... at holdenweb.com> wrote:
>
> One deficiency of this approach, however, is that the string formatting
> is performed even when nologgingis required, thereby wasting a certain
> amount of effort on unnecessary formatting.
>
Though you can mitigate this using the pattern:
if logger.isEnabledFor(logging.DEBUG):
logger.debug("Message with variable data which may be expensive:
%s", expensive_call())
Which will only make the expensive_call() and formatting when the
logging call will actually do something.
Regards,
Vinay Sajip
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