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A socket.io client library

Project description

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socketIO-client

Here is a socket.io client library for Python. You can use it to write test code for your socket.io server.

Installation

Install the package in an isolated environment.

VIRTUAL_ENV=$HOME/.virtualenv

# Prepare isolated environment
virtualenv $VIRTUAL_ENV

# Activate isolated environment
source $VIRTUAL_ENV/bin/activate

# Install package
pip install -U socketIO-client

Usage

Activate isolated environment.

VIRTUAL_ENV=$HOME/.virtualenv
source $VIRTUAL_ENV/bin/activate

Launch your socket.io server.

# Get package folder
PACKAGE_FOLDER=`python -c "import os, socketIO_client; print(os.path.dirname(socketIO_client.__file__))"`
# Start socket.io server
DEBUG=* node $PACKAGE_FOLDER/tests/serve.js
# Start proxy server in a separate terminal on the same machine
DEBUG=* node $PACKAGE_FOLDER/tests/proxy.js

For debugging information, run these commands first.

import logging
logging.getLogger('requests').setLevel(logging.WARNING)
logging.basicConfig(level=logging.DEBUG)

Emit.

from socketIO_client import SocketIO, LoggingNamespace

with SocketIO('localhost', 8000, LoggingNamespace) as socketIO:
    socketIO.emit('aaa')
    socketIO.wait(seconds=1)

Emit with callback.

from socketIO_client import SocketIO, LoggingNamespace

def on_bbb_response(*args):
    print('on_bbb_response', args)

with SocketIO('localhost', 8000, LoggingNamespace) as socketIO:
    socketIO.emit('bbb', {'xxx': 'yyy'}, on_bbb_response)
    socketIO.wait_for_callbacks(seconds=1)

Define events.

from socketIO_client import SocketIO, LoggingNamespace

def on_aaa_response(*args):
    print('on_aaa_response', args)

socketIO = SocketIO('localhost', 8000, LoggingNamespace)
socketIO.on('aaa_response', on_aaa_response)
socketIO.emit('aaa')
socketIO.wait(seconds=1)

Define events in a namespace.

from socketIO_client import SocketIO, BaseNamespace

class Namespace(BaseNamespace):

    def on_aaa_response(self, *args):
        print('on_aaa_response', args)
        self.emit('bbb')

socketIO = SocketIO('localhost', 8000, Namespace)
socketIO.emit('aaa')
socketIO.wait(seconds=1)

Define standard events.

from socketIO_client import SocketIO, BaseNamespace

class Namespace(BaseNamespace):

    def on_connect(self):
        print('[Connected]')

socketIO = SocketIO('localhost', 8000, Namespace)
socketIO.wait(seconds=1)

Define different namespaces on a single socket.

from socketIO_client import SocketIO, BaseNamespace

class ChatNamespace(BaseNamespace):

    def on_aaa_response(self, *args):
        print('on_aaa_response', args)

class NewsNamespace(BaseNamespace):

    def on_aaa_response(self, *args):
        print('on_aaa_response', args)

socketIO = SocketIO('localhost', 8000)
chat_namespace = socketIO.define(ChatNamespace, '/chat')
news_namespace = socketIO.define(NewsNamespace, '/news')

chat_namespace.emit('aaa')
news_namespace.emit('aaa')
socketIO.wait(seconds=1)

Connect via SSL.

from socketIO_client import SocketIO

SocketIO('https://localhost', verify=False)

Specify params, headers, cookies, proxies thanks to the requests library.

from socketIO_client import SocketIO
from base64 import b64encode

SocketIO('localhost', 8000,
    params={'q': 'qqq'},
    headers={'Authorization': 'Basic ' + b64encode('username:password')},
    cookies={'a': 'aaa'},
    proxies={'https': 'https://proxy.example.com:8080'})

Wait forever.

from socketIO_client import SocketIO

socketIO = SocketIO('localhost', 8000)
socketIO.wait()

License

This software is available under the MIT License.

Credits

0.6.1

  • Upgraded to socket.io protocol 1.x thanks to Sean Arietta and Joe Palmer

0.5.5

  • Fixed reconnection in the event of server restart
  • Fixed calling on_reconnect() so that it is actually called
  • Set default Namespace=None
  • Added support for Python 3.4

0.5.3

  • Updated wait loop to exit if the client wants to disconnect
  • Fixed calling on_connect() so that it is called only once
  • Set heartbeat_interval to be half of the heartbeat_timeout

0.5.2

  • Replaced secure=True with host=’https://example.com
  • Fixed sending heartbeats thanks to Travis Odom

0.5.1

  • Added error handling in the event of websocket timeout
  • Fixed sending acknowledgments in custom namespaces thanks to Travis Odom

0.5

  • Rewrote library to use coroutines instead of threads to save memory
  • Improved connection resilience
  • Added support for xhr-polling thanks to Francis Bull
  • Added support for jsonp-polling thanks to Bernard Pratz
  • Added support for query params and cookies

0.4

  • Added support for custom headers and proxies thanks to Rui and Sajal
  • Added support for server-side callbacks thanks to Zac Lee
  • Added low-level _SocketIO to remove cyclic references
  • Merged Channel functionality into BaseNamespace thanks to Alexandre Bourget

0.3

  • Added support for secure connections
  • Added socketIO.wait()
  • Improved exception handling in _RhythmicThread and _ListenerThread

0.2

  • Added support for callbacks and channels thanks to Paul Kienzle
  • Incorporated suggestions from Josh VanderLinden and Ian Fitzpatrick

0.1

Project details


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