#!/usr/bin/env python

import sys

import requirements


def main():
    """
    We cannot have non-specifier requirements if we want to publish to PyPI
    due to security concerns. This check ensures we don't have/add any URL/VCS
    dependencies in the base requirements file.
    """
    with open("requirements-base.txt") as reqs_file:
        if any(not req.specifier for req in requirements.parse(reqs_file)):
            print(
                "\n".join(
                    [
                        "You cannot use dependencies that are not on PyPI directly.",
                        "See PEP440: https://www.python.org/dev/peps/pep-0440/#direct-references",
                    ]
                ),
                file=sys.stderr,
            )
            sys.exit(1)


if __name__ == "__main__":
    main()