pylabrobot.liquid_handling.backends.websocket.WebSocketBackend

class pylabrobot.liquid_handling.backends.websocket.WebSocketBackend(num_channels: int, ws_host: str = '127.0.0.1', ws_port: int = 2121)

Bases: SerializingBackend

A backend that hosts a websocket server and sends commands over it.

Attributes

deck
loop	The event loop.
num_channels	The number of channels that the robot has.
stop_	The future that is set when the web socket is stopped.
t	The thread that runs the event loop.
websocket	The websocket connection.

Methods

__init__(num_channels[, ws_host, ws_port])	Create a new web socket backend.
aspirate(ops, use_channels)	Aspirate liquid from the specified resource using pip.
aspirate96(aspiration)	Aspirate from all wells in 96 well plate.
assigned_resource_callback(resource)	Called when a new resource was assigned to the robot.
deserialize(data)
dispense(ops, use_channels)	Dispense liquid from the specified resource using pip.
dispense96(dispense)	Dispense to all wells in 96 well plate.
drop_tips(ops, use_channels)	Drop tips from the specified resource.
drop_tips96(drop)	Drop tips to the specified resource using CoRe 96.
handle_event(event, data)	Handle an event from the browser.
has_connection()	Return True if a websocket connection has been established.
move_channel_x(channel, x)	Move the specified channel to the specified x coordinate.
move_channel_y(channel, y)	Move the specified channel to the specified y coordinate.
move_channel_z(channel, z)	Move the specified channel to the specified z coordinate.
move_resource(move, **backend_kwargs)	Move a resource to a new location.
pick_up_tips(ops, use_channels)	Pick up tips from the specified resource.
pick_up_tips96(pickup)	Pick up tips from the specified resource using CoRe 96.
prepare_for_manual_channel_operation(channel)	Prepare the robot for manual operation.
send_command(command[, data, wait_for_response])	Send an event to the browser.
serialize()
set_deck(deck)	Set the deck for the robot.
setup()	Start the websocket server.
stop()	Stop the web socket server.
unassigned_resource_callback(name)	Called when a resource is unassigned from the robot.
wait_for_connection()	Wait for a websocket connection to be established.

Parameters:

• num_channels (int)

• ws_host (str)

• ws_port (int)