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Provides a clean, simple URL routing framework for growing Flask Applications.

Project description


Inspired by the Django URL configuration system, Flask-Via is designed to add similar functionality to Flask applications which have grown beyond a simple single file application.

Travis build status on Master Branch Test Coverage Number of PyPI downloads Latest PyPI version MIT License


from flask import Flask
from flask.ext.via import Via
from flask.ext.via.routers.default import Functional

app = Flask(__name__)

def foo(bar=None):
    return 'Foo View!'

routes = [
    Functional('/foo', foo),
    Functional('/foo/<bar>', foo, endpoint='foo2'),

via = Via()
via.init_app(app, route_module='flask_via.examples.basic')

if __name__ == "__main__":


Growing your application can be quite difficult when it’s not always clear where and how your routes are discovered. This can lead to a cluttered application factory method when all your routes are defined at application creation - resulting in code which is difficult to maintain, not to mention messy.

A better solution is to define your routes in a and automatically load them at application start up. This is what Flask-Via helps to do.

Third party Flask extensions don’t always follow the same conventions for adding routes to an application, so Flask-Via has been designed to be easy for developers to write their own custom routers. For an example of this, take a look at the bundled Flask-Restful Resource router.

If you do write a custom router that is useful to you, it will probably be useful to someone else so please do contribute back :)

Change Log


  • Fix: Setup to allow bdist_wheel installs


  • Improved: @joonathan added kwargs passing to the Blueprint Router

  • Improved: init_app and added __init__

  • Added: Deprecation warning to Basic router


  • Hotfix: Fixed issue where routes would be reregistered with an app incorrectly in the event of multiple app creations


  • Feature: Include now supports endpoint prefixing

  • Feature: Blueprint router can now take a blueprint instance

  • Feature: Added support for VIA_ROUTES_NAME to set a common routes name

  • Deprecated: Basic Router in favour of the Functional router

  • Improved: Pluggable Router API is now cleaner

  • Improved: Test Suite now uses PyTest

  • Improved: ImproperlyConfigured now raised if routes module is not defined in either init_app or in application configuration via VIA_ROUTES_MODULE


  • Feature: Flask Admin Router

  • Feature: Include url_prefix option


  • Feature: Flask extension initialisation

  • Feature: Basic and Pluggable Flask Routers

  • Feature: Flask-Restful Router

  • Feature: Ability to include other routes

  • Feature: Ability to register blueprints

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