def login(user_id: Optional[str], api_token: Optional[str]) -> None:
"""Log in with a QuantConnect account.
If user id or API token is not provided an interactive prompt will show.
Credentials are stored in ~/.lean/credentials and are removed upon running `lean logout`.
"""
logger = container.logger()
credentials_storage = container.credentials_storage()
if user_id is None or api_token is None:
logger.info(
"Your user id and API token are needed to make authenticated requests to the QuantConnect API"
)
logger.info(
"You can request these credentials on https://www.quantconnect.com/account"
)
logger.info(f"Both will be saved in {credentials_storage.file}")
if user_id is None:
user_id = click.prompt("User id")
if api_token is None:
api_token = click.prompt("API token")
api_client = container.api_client(user_id=user_id, api_token=api_token)
if not api_client.is_authenticated():
raise RuntimeError("Credentials are invalid")
cli_config_manager = container.cli_config_manager()
cli_config_manager.user_id.set_value(user_id)
cli_config_manager.api_token.set_value(api_token)
logger.info("Successfully logged in")
def logout() -> None:
"""Log out and remove stored credentials."""
container.credentials_storage().clear()