yes, I stared at that section for a bit. Not to get off topic, but the readability of the api docs from back when is slightly better in my opinion. So the topic being I'm an idiot - thanks for both examples...that's a perfect example. I got confused by "from myobservers import PrintingObserver" cause I'm wondering if myobservers is a core package. On Tue, Nov 10, 2015 at 6:05 PM, Glyph Lefkowitz wrote:

On Nov 9, 2015, at 2:29 PM, Kevin Mcintyre wrote:

http://twistedmatrix.com/documents/current/core/howto/logger.html

I'm looking at the new-ish logger api and wonder how to log to console as a first step to transitioning.

Any pointers? Thanks.

Do you mean "emit structured log text to stdout"? In that case, that is covered in the document you link to; these two sections:

http://twistedmatrix.com/documents/current/core/howto/logger.html#avoid-muta...

http://twistedmatrix.com/documents/current/core/howto/logger.html#starting-t...

create a jsonFileLogObserver and start logging to it:

import sys from twisted.logger import jsonFileLogObserver, globalLogBeginner, Logger globalLogBeginner.beginLoggingTo([jsonFileLogObserver(sys.stdout)]) log = Logger() log.info("Information.")

If you want unstructured log output for human reading (not a good choice for an automated system, but perhaps useful for debugging), you can instead go with textFileLogObserver, in almost exactly the same way:

import sys from twisted.logger import textFileLogObserver, globalLogBeginner, Logger globalLogBeginner.beginLoggingTo([textFileLogObserver(sys.stdout)]) log = Logger() log.info("Information.")

Is this what you were looking for?

-glyph

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