Allow Pipfile to consume environment variables

It would be awesome if Pipfile could be parsed to allow for environment variables.

While it’s great that pipenv supports private indexes, it’s annoying if those indexes require credentials—it’s bad practice to store them in source control:

[[source]]

url = "https://{{ MY_USERNAME }}:{{ MY_PASSWORD }}@my_custom_repo.jfrog.io/simple"
verify_ssl = true
name = "pypi"

Happy to contribute a PR for this if this gets some thumbs.

[njgrisafi]

It would be nice if we can have environment variables loaded throughout the entire Pipfile. E.g.

[dev-packages]
my-package = {path="${PATH_TO_REPO}", editable = true}

[kennethreitz]

no