[SciPy-User] Is there existing code to log-with-bells-on for runtime algorithm diagnostics?
rosuav at gmail.com
Wed Apr 22 02:50:05 CEST 2015
On Wed, Apr 22, 2015 at 10:11 AM, Cameron Simpson <cs at zip.com.au> wrote:
> I have a context manager named "Pfx" which I use liberally in my code like
> from cs.logutils import Pfx, info
> def load(filename):
> with Pfx("loading %r", filename):
> with open(filename) as fp:
> lineno = 0
> for line in fp:
> lineno += 1
> with Pfx("%d", lineno):
> ... do stuff with line ...
> info("line value is foo=%r", foo)
> This causes the info() call to report like this:
> loading 'myfile.dat': 21: line value is foo=12345
Very nice! I'm guessing it depends on the use of info(), though,
rather than applying to pre-existing logging calls? Even so, all that
means is that you use a specific call to do your logging, and
everything works perfectly. The nesting is excellent.
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