lcu-driver 1.0.0

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lcu-driver

Python interface for LCU API. Only support Windows platform. Inspired in lcu-connector

Download

• pip install lcu-driver

Code example

Change to a random chinese icon every time your run the application.

from json import dumps
from random import randint

from lcu_driver import Connector


connector = Connector()


async def set_random_icon():
    # random number of a chinese icon
    random_number = randint(50, 78)

    # make the request to set the icon
    icon = await connector.request('put', '/lol-summoner/v1/current-summoner/icon',
                                   data=dumps({'profileIconId': random_number}))

    # if HTTP status code is 201 the icon was applied successfully
    if icon.status == 201:
        print(f'Chinese icon number {random_number} was set correctly.')
    else:
        print('Unknown problem, the icon was not set.')

# fired when LCU API is ready to be used
@connector.event
async def connect():
    print('LCU API is ready to be used.')

    # check if the user is already logged into his account
    summoner = await connector.request('get', '/lol-summoner/v1/current-summoner')
    if summoner.status == 200:
        data = await summoner.json()

        # calls login method and update login.left_calls to 0
        # when login.left_calls is 0 the function can't be fired any more neither by websocket nor manually
        await login(None, None, data)

    else:
        print('Please login into your account to change your icon...')


# fired when League Client is closed (or disconnected from websocket)
@connector.event
async def disconnect():
    print('The client have been closed!')

# subscribe to the login websocket event, and calls the function only one time
@connector.ws_events(['/lol-summoner/v1/current-summoner'], event_types=['Update'],
                     max_calls=1)
async def login(typ, uri, data):
    print('Logged as', data['displayName'])
    await set_random_icon()


# opens websocket connection (may be used to wait until the client is closed)
connector.listen()
# starts everything
connector.start()

Classes and methods

class Connector

• __init__(self, *, loop=None)

  • loop

Properties

• pid

  Process Id.

• protocols

  Tuple of allowed protocols.

• port

• auth_key

• installation_path

• address

• ws_address

Methods

• start()

  Start the driver.

• listen()

  Keep connected until client closes. (open websocket connection).

• stop_ws()

  Gracefully stops the websocket loop.

• coroutine request(method: str, endpoint: str, **kwargs)

  • method - HTTP verb.
  • endpoint - Resource URL without protocol and host name.
  • **kwargs
    • <aiohttp.ClientSession>.request - function arguments
    • path - Alias to str.format()

• ws_events(endpoints: list, *, event_types: list, max_calls=-1)

  • endpoints - List of URIs.
  • event_types - List of events types (Create, Update or Delete).
  • max_calls - Maximum times an event function can be called either by the websocket or manually. Set it to negative numbers to remove the limit.

Built-in library events

• connect

  Fired when LCU API starts.

• disconnect

  Fired when the client is closed.