Class NetrcAuth

github/Auth.py:519–554

This class is used to authenticate via .netrc.

class NetrcAuth(HTTPBasicAuth, WithRequester["NetrcAuth"]):
    """
    This class is used to authenticate via .netrc.
    """

    def __init__(self) -> None:
        super().__init__()

        self._login: str | None = None
        self._password: str | None = None

    @property
    def username(self) -> str:
        return self.login

    @property
    def login(self) -> str:
        assert self._login is not None, "Method withRequester(Requester) must be called first"
        return self._login

    @property
    def password(self) -> str:
        assert self._password is not None, "Method withRequester(Requester) must be called first"
        return self._password

    def withRequester(self, requester: Requester) -> NetrcAuth:
        assert isinstance(requester, Requester), requester
        super().withRequester(requester)

        auth = utils.get_netrc_auth(requester.base_url, raise_errors=True)
        if auth is None:
            raise RuntimeError(f"Could not get credentials from netrc for host {requester.hostname}")

        self._login, self._password = auth

        return self