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Handles JSONRPC and XMLRPC requests easily with Django

Project description

Installation

Prerequisites

RPC4Django has been tested on Mac OS, Linux and Windows.

Source Install Method

This is the preferred method for installing RPC4Django.

$> tar xvfz rpc4django-x.y.z.tar.gz
$> cd rpc4django-x.y.z
$> python setup.py install

Easy Install Method

$> easy_install rpc4django

Pip Install Method

$> pip install rpc4django

No Installation Method

This method installs RPC4Django only for one specific django project but does not require any special system access.

$> tar xvfz rpc4django-x.y.z.tar.gz
$> cd rpc4django-x.y.z
$> cp -r rpc4django YOUR_DJANGO_PROJECT_DIRECTORY

Configuration

  1. First, you need to add new url pattern to your root urls.py file. This file should be the one pointed to by ROOT_URLCONF in settings.py. You can replace r'^RPC2$' with anything you like.

    # urls.py
    #...
    urlpatterns = patterns('',
        # if installed via no install method
        #(r'^RPC2$', 'YOURPROJECT.rpc4django.views.serve_rpc_request'),
    
        # if installed via source or easy_install
        (r'^RPC2$', 'rpc4django.views.serve_rpc_request'),
    )
    
  2. Second, add RPC4Django to the list of installed applications in your settings.py.

    # settings.py
    #...
    INSTALLED_APPS = (
        # if installed via no install
        #'YOURPROJECT.rpc4django',
    
        # if installed via source or easy_install
        'rpc4django',
    )
    
  3. Lastly, you need to let RPC4Django know which methods to make available. This is done with the decorator @rpcmethod. RPC4Django imports all the apps in INSTALLED_APPS and makes any methods importable via __init__.py with the @rpcmethod decorator available as RPC methods. You can always write your RPC methods in another module and simply import it in __init__.py.

    # testapp/__init__.py
    from rpc4django import rpcmethod
    
    # This imports another method to be made available as an RPC method
    # This method should also have the @rpcmethod decorator
    # from mymodule import myrpcmethod
    
    # The doc string supports reST if docutils is installed
    @rpcmethod(name='mynamespace.add', signature=['int', 'int', 'int'])
    def add(a, b):
        '''Adds two numbers together
        >>> add(1, 2)
        3
        '''
    
        return a+b
    

    The decorator @rpcmethod accepts two optional parameters:

    • name - is the name under which the method will be made externally available. It defaults to the method’s real name.
    • signature - is the signature of the method and will be returned by calls to the XMLRPC introspection method system.methodSignature. It is of the form: [return_value, arg1, arg2, arg3, ...]. All of the types should be XMLRPC types (eg. struct, int, array, etc. – see the XMLRPC spec for details). Since python is relatively loosely typed, all types are set to object by default.

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