Read secrets from environment variables or files
devsecrets: read secrets from environment variables or files
It would be nice if a developer could check out a project and immediately run and debug it through their IDE.
For code that requires sensitive environment variables, you can't have that because that would entail checking in secrets in run configurations.
devsecrets gets you just a little closer to the ideal by letting environment variables point to files containing the sensitive information.
It doesn't help with creating, securing, or distributing those files.
Instead of reading
os.environ directly, use
devsecrets.read_secret() in your code.
For instance, if accessing a
from devsecrets import read_secret DATABASE_URL = read_secret('DATABASE_URL')
In development, set the
DATABASE_URL environment variable to
.secrets file in your project's directory, containing a line like
Have your version control system ignore your .secrets file.
What about non-development environments?
Environment values that don't begin with the @-symbol are returned as-is by
read_secret(), so if you already have your secrets in environment variables
in production, there's no need to do anything differently.
If you do want to use secrets files in production, it probably makes sense to point to them with absolute paths.
Where exactly does
read_secret() look for files?
If the filename is absolute, it is used as is.
read_secret() discovers where the code that called it lives and
starts there. Then it walks up the path all the way to the root.
What is the format of the secrets files?
# comment KEY1 = "value" #comment key-2="#not-a-comment" key_3 = "multiline\r\nvalue"
Currently, values must be quoted.
This is only because, for reasons of expediency, a TOML parser is used to parse these files.
Beware that how and where your code is installed matters because
considers where the calling code lives. If that's in a site-packages
~/.local/share/virtualenvs for instance,
.secrets file in
~/projects/myproject won't be found.
This is ordinarily not a problem because you install your code with
python setup.py install --develop or
pip install --editable so you run
your code from the same place where you checked it out.
pip install devsecrets
Running the tests
This project is licensed under the MIT License - see the LICENSE.txt file for details
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