Vinicius Monego <monego@posteo.net> writes:

> * gnu/packages/check.scm (python-pytest-env): New variable.

python-check.scm is better here too, even though pytest lives
elsewhere.

[...]

> +(define-public python-pytest-env
> +  (package
> +    (name "python-pytest-env")
> +    (version "0.6.2")
> +    (source
> +     (origin
> +       (method url-fetch)
> +       (uri (pypi-uri "pytest-env" version))
> +       (sha256
> +        (base32 "1hl0ln0cicdid4qjk7mv90lw9xkb0v71dlj7q7rn89vzxxm9b53y"))))
> +    (build-system python-build-system)
> +    (propagated-inputs
> +     `(("python-pytest" ,python-pytest)))

As mentioned in another patch, it's good not to propagate the package
that this one "plugs in to", in order to allow using it with other
versions.

> +    (home-page "https://github.com/MobileDynasty/pytest-env")
> +    (synopsis "Pytest plugin that allows you to add environment variables")
> +    (description
> +     "This is a py.test plugin that enables you to set environment variables
> +in the pytest.ini file.")

@command{py.test} and @file{pytest.ini}.