helloworld.py

#!/usr/bin/env python
from __future__ import print_function

from keepkeylib.client import KeepKeyClient
from keepkeylib.transport_webusb import WebUsbTransport

def main():
    # List all connected KeepKeys on USB
    devices = WebUsbTransport.enumerate()

    # Check whether we found any
    if len(devices) == 0:
        print('No KeepKey found')
        return

    # Use first connected device
    transport = WebUsbTransport(devices[0])

    # Creates object for manipulating KeepKey
    client = KeepKeyClient(transport)

    # Print out KeepKey's features and settings
    print(client.features)

    # Get the first address of first BIP44 account
    # (should be the same address as shown in KeepKey wallet Chrome extension)
    bip32_path = client.expand_path("44'/0'/0'/0/0")
    address = client.get_address('Bitcoin', bip32_path)
    print('Bitcoin address:', address)

    client.close()

if __name__ == '__main__':
    main()