open-github-pull-requests-for-authors

#!/usr/bin/env python3

import webbrowser
import argparse
import os


def default() -> list[str]:
    return os.environ.get("GITHUB_PULL_REQUEST_AUTHORS", "").split(":")


def format_is(*values) -> str:
    return "+".join(f"is%3A{value}" for value in set(values))


def format_authors(*authors) -> str:
    return "+".join(f"author%3A{author}" for author in authors if set(author))


def format_https_url(*authors: str, is_: list) -> str:
    assert authors or is_
    return (
        "https://github.com/search?q="
        + "+".join(
            (
                format_is(*is_),
                format_authors(*authors),
            )
        )
        + "&"
        + "&".join(("type=pullrequests",))
    )


if __name__ == "__main__":
    parser = argparse.ArgumentParser(usage="--author agagorik --is pr open")
    parser.add_argument(
        "--author",
        dest="authors",
        action="append",
        default=default(),
    )
    parser.add_argument(
        "--is",
        dest="is_",
        nargs="*",
        metavar="str",
        default=["pr", "open"],
    )
    options = parser.parse_args()
    if not any(options.authors):
        raise RuntimeError("no authors to query!")

    print(url := format_https_url(*options.authors, is_=options.is_))
    webbrowser.open(url, new=2)