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django-mease: Websocket integration made easy for Django

Project description

Work in progress.

Websocket integration made easy for Django using Tornado, Redis PUB/SUB and easy to use callback registry mechanism.

See a full working example here

RTD INCOMING SHORTLY

Installation

Dependencies (Debian & Ubuntu)

Mease comes with Redis PUB/SUB backend by default. If you want to use it, install these dependencies :

sudo apt-get install redis-server python-dev
pip install redis

Install django-mease

pip install django-mease

Add mease to your INSTALLED_APPS

INSTALLED_APPS = (
  # List of your installed apps
  'djmease',
)

Usage

Start websocket server

python manage.py run_websocket_server

Register callbacks

Create mease_registry.py files to register your callbacks (the file must be located in an installed app):

from djmease import mease

@mease.opener
def open_websocket(client, clients_list):
    client.storage["name"] = "mymane"
    for c in clients_list:
        c.send("Someone joined")

@mease.closer
def close_websocket(client, clients_list):
    for c in clients_list:
        c.send("{name} left".format(name=client.storage["name"]))

@mease.receiver
def receive_websocket_message(client, clients_list, message):
    for c in clients_list:
        c.send(message)

@mease.sender(routing=['websocket'])
def send_websocket_message(channel, clients_list, myobj):
    for c in clients_list:
        c.send(myobj.myattr)

Publish

Use mease.publish to publish from anywhere in your code :

from djmease import mease

mease.publish('websocket', "Hello world !")

This will call all sender functions registered on the ‘websocket’ routing.

Project details


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