cqrs 1.0.1

Command-Query Responsibility Separation (CQRS) framework

# vim: syntax=rst

Python 3 CQRS Framework

Synopsis

Installation

Basic usage

import cqrs


class MakePizzaCommand(cqrs.Command):

    #: Specifies the type of pizza we want.
    pizza_type = cqrs.CharField(
        choices=['margarita','tonno','calzone']
    )

    #: A boolean indicating if the pizza needs extra cheese.
    extra_cheese = cqrs.BooleanField(
        default=False
    )

handler.handle(command)

Advanced usage

This section describes the usage of the cqrs module in the context of a distributed system. Sovereign, the reference implementation of the TNG Enterprise Management System, is the assumed environment.

from neural import Neural
import stomp
import cqrs

neural = Neural(stomp.transport_factory())


command = MakePizzaCommand(pizza_type='tonno')
neural.send_command(command)