Flask Framework Cookbook - Second Edition

How to do it...

Follow these steps to configure and set up a logging library to use with our application:

1. The first change is made to the my_app/__init__.py file, which serves as the application's configuration file:

app.config['LOG_FILE'] = 'application.log' 
 
if not app.debug: 
    import logging     logging.basicConfig(level=logging.INFO)
    from logging import FileHandler 
    file_handler = FileHandler(app.config['LOG_FILE']) 
    app.logger.addHandler(file_handler) 

Here, we added a configuration parameter to specify the log file's location. This takes the relative path from the application folder, unless an absolute path is explicitly specified. Next, we will check whether the application is already in debug mode, and then we will add a handler logging ...