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owattr overwrites attributes.

Project Description

owattr overwrites attributes.


import sys

import owattr

REDIS_URL = "redis://localhost:6379/0"

owattr.from_dict(sys.modules[__name__], dict(os.environ))

The config module has REDIS_URL as attribute. You might want to change the value for your production environment. In this example, if you have defined REDIS_URL in environment variables, when you load config module, it is overwritten. If you don’t define REDIS_URL, you can use the original value. When owattr read the dict, it casts dict value to type of the original value. So in environment variable, everything is str type. In this example, if you have defined IS_DEV_ENV=False in environment variable, IS_DEV_ENV of config has False as bool type.

If your object has __all__, owattr overwrites only variables which written in __all__.

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Source None Jul 17, 2017

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