Python 101: Interactively learn how to program with Python 3/

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Configuring Logs for Work and Pleasure

Configuring Logs for Work and Pleasure

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The logging module can be configured 3 different ways. You can configure it using methods (loggers, formatters, handlers) like we did earlier in this article; you can use a configuration file and pass it to fileConfig(); or you can create a dictionary of configuration information and pass it to the dictConfig() function. Let’s create a configuration file first and then we’ll look at how to execute it with Python. Here’s an example config file:

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[loggers]
keys=root,exampleApp
[handlers]
keys=fileHandler, consoleHandler
[formatters]
keys=myFormatter
[logger_root]
level=CRITICAL
handlers=consoleHandler
[logger_exampleApp]
level=INFO
handlers=fileHandler
qualname=exampleApp
[handler_consoleHandler]
class=StreamHandler
level=DEBUG
formatter=myFormatter
args=(sys.stdout,)
[handler_fileHandler]
class=FileHandler
formatter=myFormatter
args=("config.log",)
[formatter_myFormatter]
format=%(asctime)s - %(name)s - %(levelname)s - %(message)s
datefmt=

You’ll notice that we have two loggers specified: ...