Ticket #1743: nevow_wsgi.py

#!/usr/bin/python

# --- nevow part, from examples/wsgi/test-cgi.py

from nevow import wsgi
from nevow import rend, loaders, url
from nevow import tags as T

class Index(rend.Page):

    addSlash = True

    def __init__(self, name='main'):
        rend.Page.__init__(self)
        self.name = name

    def render_name(self, ctx, data):
        return self.name

    def render_links(self, ctx, data):
        inner = [T.li[T.a(href=url.here.child(x))[x]] for x in ['a', 'b', 'c']]
        return T.ul[inner]

    def childFactory(self, ctx, name):
        return Index(self.name+'/'+name)

    docFactory = loaders.stan(
        T.html[
            T.head[T.title['Nevow wsgi Test cgi app']],
            T.body[
                T.h1(render=T.directive('name')),
                T.invisible(render=T.directive('links'))
            ]
        ]
    )

def getNevowWSGIApp():
    app = wsgi.createWSGIApplication(Index())
    return app

# --- wsgiref part

from wsgiref import simple_server, validate

class TrivialWSGIServer(object):
    def __init__(self, app, validate_it=True, port=5000):
        self.app = app
        self.server = simple_server.WSGIServer(
                        ('', port),
                        simple_server.WSGIRequestHandler,
                        )
        if validate_it:
            app = validate.validator(self.app)
        else:
            app = self.app
        self.server.set_app(app)
                                                                    
    def serve(self):
        self.server.serve_forever()

# --- run-part

if __name__ == '__main__':
    TrivialWSGIServer(getNevowWSGIApp(), port=80).serve()