Command API Documentation

class Command

Bases: ABC

Defines the interface for commands.

abstractmethod execute()

Execute the command.

Return type:

None

class Receiver

Bases: object

Handles the actual business logic for the commands.

action_a()

Executes Action A.

Return type:

None

action_b()

Executes Action B.

Return type:

None

class ConcreteCommandA(receiver)

Bases: Command

Concrete implementation of a command for Action A.

Parameters:

receiver (Receiver)

__init__(receiver)

Initialize the ConcreteCommandA with the specified receiver.

Parameters:

receiver (Receiver) – The receiver instance to operate on.

Return type:

None

execute()

Execute the command by invoking Action A on the receiver.

Return type:

None

class ConcreteCommandB(receiver)

Bases: Command

Concrete implementation of a command for Action B.

Parameters:

receiver (Receiver)

__init__(receiver)

Initialize the ConcreteCommandB with the specified receiver.

Parameters:

receiver (Receiver) – The receiver instance to operate on.

Return type:

None

execute()

Execute the command by invoking Action B on the receiver.

Return type:

None

class Invoker

Bases: object

Stores and executes commands in a sequence.

__init__()

Initialize the Invoker with an empty command queue.

Return type:

None

add_command(command)

Add a command to the queue.

Parameters:

command (Command) – The command to add.

Return type:

None

execute_all()

Execute all commands in the queue and clear it.

Return type:

None