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Allow loading of environment variables into the config #4479

Merged
merged 3 commits into from Mar 25, 2022
Merged

Allow loading of environment variables into the config #4479

merged 3 commits into from Mar 25, 2022

Commits on Mar 25, 2022

  1. Allow loading of environment variables into the config 

    This new method will pick out any environment variables with a certain
prefix and place them into the config named without the prefix. This
makes it easy to use environment variables to configure the app as is
now more popular than when Flask started.

The prefix should ensure that the environment isn't polluted and the
config isn't polluted by environment variables.

I've followed the dynaconf convention of trying to parse the
environment variable and then falling back to the raw value if parsing
fails.
    @pgjones @davidism
    pgjones authored and davidism committed Mar 25, 2022
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  2. more from_prefixed_env features 

    * support nested dict access with "__" separator
* don't specify separator in prefix
* catch exceptions for any loads function
    @davidism
    davidism committed Mar 25, 2022
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  3. windows env vars are uppercase

    @davidism
    davidism committed Mar 25, 2022
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