def _add_cache_headers(self):
"""Maybe add cache headers on GET and HEAD requests."""
verb = self.request.method.lower()
if verb in ['get', 'head']:
# check if there is caching information stored with the handler
cache_config = self.environment.get_cache_info(self.__class__)
if cache_config:
self.set_header('Cache-Control',
compute_cache_header(cache_config))
expires = self.environment.get_expires_info(self.__class__)
if expires:
self.set_header('Expires', datetime.now() + expires)
def _add_cache_headers(self):
"""Maybe add cache headers on GET and HEAD requests."""
verb = self.request.method.lower()
if verb in ['get', 'head']:
# check if there is caching information stored with the handler
cache_config = self.environment.get_cache_info(self.__class__)
if cache_config:
self.set_header('Cache-Control',
compute_cache_header(cache_config))
expires = self.environment.get_expires_info(self.__class__)
if expires:
self.set_header('Expires', datetime.now() + expires)
def _execute_method(self):
'''Execute the request.
The method to be executed is determined by the request method.
'''
if not self._finished:
verb = self.request.method.lower()
headers = self.request.headers
method = getattr(self, verb)
kwargs = self.path_kwargs
if verb in ['post', 'put'] and 'Content-Type' in headers:
# try to find a matching consumer
try:
(model, consumer_class) = ConsumerBase.map_consumer(
headers['Content-Type'], self)
consumer = consumer_class()
kwargs['model'] = consumer.consume(self, model)
except NoConsumerFound:
# TODO return available consumer types?!
raise HTTPError(406)
except StandardError as e:
raise HTTPError(400, reason=unicode(e))
if verb in ['get', 'head']:
# check if there is caching information stored with the handler
cache_config = self.environment.get_cache_info(self.__class__)
if cache_config:
self.set_header('Cache-Control',
compute_cache_header(cache_config))
expires = self.environment.get_expires_info(self.__class__)
if expires:
self.set_header('Expires', datetime.now() + expires)
future_model = method(*self.path_args, **kwargs)
if future_model:
callback = partial(self._provide_result, verb, headers)
future_model.add_done_callback(callback)
