Source code for microraiden.examples.echo_client

"""
This is dummy code showing how the minimal app could look like.
"""
import click
import re

from web3 import Web3

from microraiden import Session
import logging
import requests


@click.command()
@click.option(
    '--private-key',
    required=True,
    help='Path to private key file or a hex-encoded private key.',
    type=click.Path(exists=True, dir_okay=False, resolve_path=True)
)
@click.option(
    '--password-path',
    default=None,
    help='Path to file containing the password for the private key specified.',
    type=click.Path(exists=True, dir_okay=False, resolve_path=True)
)
@click.option('--resource', required=True, help='Get this resource.')
def main(
        private_key: str,
        password_path: str,
        resource: str
):
    run(private_key, password_path, resource)


[docs]def run(
        private_key: str,
        password_path: str,
        resource: str,
        channel_manager_address: str = None,
        web3: Web3 = None,
        retry_interval: float = 5,
        endpoint_url: str = 'http://localhost:5000'
):
    # Create the client session.
    session = Session(
        endpoint_url=endpoint_url,
        private_key=private_key,
        key_password_path=password_path,
        channel_manager_address=channel_manager_address,
        web3=web3,
        retry_interval=retry_interval
    )
    # Get the resource. If payment is required, client will attempt to create
    # a channel or will use existing one.
    response = session.get('{}/{}'.format(endpoint_url, resource))

    if response.status_code == requests.codes.OK:
        if re.match('^text/', response.headers['Content-Type']):
            logging.info(
                "Got the resource {} type={}:\n{}".format(
                    resource,
                    response.headers.get('Content-Type', '???'),
                    response.text
                )
            )
        else:
            logging.info(
                "Got the resource {} type={} (not echoed)".format(
                    resource,
                    response.headers.get('Content-Type', '???')
                )
            )
    else:
        logging.error(
            "Error getting the resource. Code={} body={}".format(
                response.status_code,
                response.text
            )
        )
    return response


if __name__ == '__main__':
    logging.basicConfig(level=logging.INFO)
    main()