predicates.py

"""Showcasing Pyramid's View Predicates.

Usage:
1. Install Pyramid: http://docs.pylonsproject.org/projects/pyramid/en/latest/narr/install.html
2. Put this code into ``example.py``.
3. Run with ``$VENV/bin/python example.py``.
4. Showcase with your browser or using curl:

$ curl http://localhost:8080/
Welcome!
$ curl --data "foo=bar" http://localhost:8080/
What a nice POST!

"""
from pyramid.config import Configurator
from pyramid.response import Response
from pyramid.scripts.pserve import wsgiref_server_runner
from pyramid.view import view_config

@view_config(
    route_name='home'
)
def home_get(request):
    return Response('Welcome!')

@view_config(
    route_name='home',
    request_method=('POST')
)
def home(request):
    return Response('What a nice POST!')

if __name__ == '__main__':
    config = Configurator()
    config.add_route('home', '/')
    config.scan()
    wsgiref_server_runner(config.make_wsgi_app(), None)