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Routes based dispatching for TurboGears2

Project description

About tgext.routes

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tgext.routes provides a simple way to integrate routes based dispatch into TurboGears2 applications.

Installing

tgext.routes can be installed both from pypi or from bitbucket:

pip install tgext.routes

should just work for most of the users

Routing Single Actions

Routes matching is done through the @route decorator, each exposed method can be bound to one or multiple routes.

The only requirement is that you inherit from the RoutedController instance.

All routes registered through the @route decorator are registered starting from the controller mount point.

The following example registers the entry_by_date method for urls like /date/2012-01 and /date/2012-01-01:

from tgext.routes import RoutedController, route

class DateController(RoutedController):
    @expose()
    @route('{year}-{month}', day=33)
    @route('{year}-{month}-{day}')
    def entry_by_date(self, year, month, day):
        return '%s ++ %s ++ %s' % (year, month, day)

class RootController(BaseController):
    date = DateController()

    @expose()
    def index(self):
        return 'Hello!'

Keep in mind that as @expose wraps it, the method is still accessible through ObjectDispatch routing, @route can just register additional routes.

If there is a route pointing to it, also actions that do not provide an @expose decoration are resolved, keep in mind that in that case you will have to render template manually.

In case you want to disable ObjectDispatch you can set disable_objectdispatch=True inside the controller. Keep in mind that it will disable ObjectDispatch for the whole controller and so you won’t be able to dispatch actions that do not provide a route from that controller on.

Routing Whole application

RoutedController can also be mounted as the application RootController. In that case instead of using the @route decorator you can even provide a routes.Mapper object as controller mapper attribute and register all the routes of your application:

class RootController(RoutedController):
    mapper = Mapper()
    mapper.connect('/', controller='home', action='index')
    mapper.connect('/json', controller='home', action='jsonexposed')
    mapper.connect('/unex', controller='home', action='unexposed')

In this case the controller argument is required and controller will be looked up inside the path specified by tg.config['paths']['controllers']. In the previous example a HomeController class will be looked for into the home.py module to serve the /, /json and /unex paths through its index, jsonexposed and unexposed methods.

In case both a mapper attribute and @route decorator are used inside the same RoutedController, the @route decorator is applied after the mapper routes.

For more documentation about routes refer to Routes Documentation

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