Typically, you'll read configuration from files (such as YAML) and get them as a dictionary. However in Python you'd like to write config.httpd.port and not config['httpd']['port']
__getattr__ is a hook method that's called by Python when regular attribute lookup fails (not to be confused with the lower level __getattribute__, which is much harder to work with). You can use it to wrap the configuration dictionary. Here's a small example.
If it won't be simple, it simply won't be. [Hire me, source code] by Miki Tebeka, CEO, 353Solutions
Thursday, March 05, 2020
Using __getattr__ for nicer configuration API
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It doesn't work for keys which have lists of dicts.
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