diff options
Diffstat (limited to 'nova/wsgi.py')
| -rw-r--r-- | nova/wsgi.py | 37 |
1 files changed, 29 insertions, 8 deletions
diff --git a/nova/wsgi.py b/nova/wsgi.py index 1eb66d067..67216d540 100644 --- a/nova/wsgi.py +++ b/nova/wsgi.py @@ -82,6 +82,27 @@ class Server(object): log=WritableLogger(logger)) +class Request(webob.Request): + + def best_match(self): + """ + Determine the most acceptable content-type based on the + query extension then the Accept header + """ + + parts = self.path.rsplit(".", 1) + + if len(parts) > 1: + format = parts[1] + if format in ["json", "xml"]: + return "application/{0}".format(parts[1]) + + ctypes = ["application/json", "application/xml"] + bm = self.accept.best_match(ctypes) + + return bm or "application/json" + + class Application(object): """Base WSGI application wrapper. Subclasses need to implement __call__.""" @@ -113,7 +134,7 @@ class Application(object): def __call__(self, environ, start_response): r"""Subclasses will probably want to implement __call__ like this: - @webob.dec.wsgify + @webob.dec.wsgify(RequestClass=Request) def __call__(self, req): # Any of the following objects work as responses: @@ -199,7 +220,7 @@ class Middleware(Application): """Do whatever you'd like to the response.""" return response - @webob.dec.wsgify + @webob.dec.wsgify(RequestClass=Request) def __call__(self, req): response = self.process_request(req) if response: @@ -212,7 +233,7 @@ class Debug(Middleware): """Helper class that can be inserted into any WSGI application chain to get information about the request and response.""" - @webob.dec.wsgify + @webob.dec.wsgify(RequestClass=Request) def __call__(self, req): print ("*" * 40) + " REQUEST ENVIRON" for key, value in req.environ.items(): @@ -276,7 +297,7 @@ class Router(object): self._router = routes.middleware.RoutesMiddleware(self._dispatch, self.map) - @webob.dec.wsgify + @webob.dec.wsgify(RequestClass=Request) def __call__(self, req): """ Route the incoming request to a controller based on self.map. @@ -285,7 +306,7 @@ class Router(object): return self._router @staticmethod - @webob.dec.wsgify + @webob.dec.wsgify(RequestClass=Request) def _dispatch(req): """ Called by self._router after matching the incoming request to a route @@ -304,11 +325,11 @@ class Controller(object): WSGI app that reads routing information supplied by RoutesMiddleware and calls the requested action method upon itself. All action methods must, in addition to their normal parameters, accept a 'req' argument - which is the incoming webob.Request. They raise a webob.exc exception, + which is the incoming wsgi.Request. They raise a webob.exc exception, or return a dict which will be serialized by requested content type. """ - @webob.dec.wsgify + @webob.dec.wsgify(RequestClass=Request) def __call__(self, req): """ Call the method specified in req.environ by RoutesMiddleware. @@ -358,7 +379,7 @@ class Serializer(object): needed to serialize a dictionary to that type. """ self.metadata = metadata or {} - req = webob.Request.blank('', environ) + req = wsgi.Request.blank('', environ) suffix = req.path_info.split('.')[-1].lower() if suffix == 'json': self.handler = self._to_json |