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Editorial Team
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Asked: 2026-05-16T08:56:53+00:00

Dev_appserver.py (the local development server for Python google app engine) spews tons of useless

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Dev_appserver.py (the local development server for Python google app engine) spews tons of useless INFO messages. I would like to up this to WARN or ERROR. How can I do that?

I’ve tried the following, but it has no effect…

logger = logging.getLogger()
logger.setLevel(logging.WARN)

Any ideas?

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1 Answer

  1. Editorial Team

    Currently, from the command line, you can only lower the logging level to DEBUG by the ‘-d’ command line option.

    If you’re not afraid of editing the scripts, look for

    DEFAULT_ARGS = {
  ...
  ARG_LOG_LEVEL: logging.INFO,

    in C:\Program Files\Google\google_appengine\google\appengine\tools\dev_appserver_main.py

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