from wsgiref.util import shift_path_info from paste.urlparser import StaticURLParser class Dispatcher(object): html = ''' %s ''' # default HTML template def __init__(self, baseapp, static=None): self.pages = {} if static: for name, dirpath in static.iteritems(): self.pages[name]=StaticURLParser(directory=dirpath) self.add('', baseapp) def __call__(self, env, resp): name = shift_path_info(env) app = self.pages.get(name) if not app: resp('404 ERR', [('Content-type', 'text/plain')]) return ['Page %s not found' % name] return app(env, resp) def add(self, name, app): try: # look if app is a pair (html, js) body, js = app except (TypeError, ValueError), e: assert callable(app) # assume app is valid WSGI application else: # create an application displaying the page def app(env, resp): resp('200 OK', [('Content-type', 'text/html')]) return [self.html % (js, body)] app.__name__ = name self.pages[name] = app