def get(self, *args: Any, **kwargs: Any) -> None:
request = self.convert_tornado_request_to_django_request()
try:
response = self.get_response(request)
if hasattr(response, "asynchronous"):
# For asynchronous requests, this is where we exit
# without returning the HttpResponse that Django
# generated back to the user in order to long-poll the
# connection. We save some timers here in order to
# support accurate accounting of the total resources
# consumed by the request when it eventually returns a
# response and is logged.
async_request_timer_stop(request)
return
finally:
# Tell Django that we're done processing this request on
# the Django side; this triggers cleanup work like
# resetting the urlconf and any cache/database
# connections.
signals.request_finished.send(sender=self.__class__)
# For normal/synchronous requests that don't end up
# long-polling, we fall through to here and just need to write
# the HTTP response that Django prepared for us via Tornado.
# Mark this handler ID as finished for Zulip's own tracking.
clear_handler_by_id(self.handler_id)
self.write_django_response_as_tornado_response(response)
def get(self, *args: Any, **kwargs: Any) -> None:
request = self.convert_tornado_request_to_django_request()
response = self.get_response(request)
try:
if hasattr(response, "asynchronous"):
# We import async_request_timer_restart during runtime
# to avoid cyclic dependency with zerver.lib.request
from zerver.middleware import async_request_timer_stop
# For asynchronous requests, this is where we exit
# without returning the HttpResponse that Django
# generated back to the user in order to long-poll the
# connection. We save some timers here in order to
# support accurate accounting of the total resources
# consumed by the request when it eventually returns a
# response and is logged.
async_request_timer_stop(request)
else:
# For normal/synchronous requests that don't end up
# long-polling, we just need to write the HTTP
# response that Django prepared for us via Tornado.
# Mark this handler ID as finished for Zulip's own tracking.
clear_handler_by_id(self.handler_id)
assert isinstance(response, HttpResponse)
self.write_django_response_as_tornado_response(response)
finally:
# Tell Django that we're done processing this request on
# the Django side; this triggers cleanup work like
# resetting the urlconf and any cache/database
# connections.
response.close()
def get_response(self, request: HttpRequest) -> HttpResponse:
"Returns an HttpResponse object for the given HttpRequest"
try:
try:
# Setup default url resolver for this thread.
urlconf = settings.ROOT_URLCONF
set_urlconf(urlconf)
resolver = resolvers.RegexURLResolver(r'^/', urlconf)
response = None
# Apply request middleware
for middleware_method in self._request_middleware:
response = middleware_method(request)
if response:
break
if hasattr(request, "urlconf"):
# Reset url resolver with a custom urlconf.
urlconf = request.urlconf
set_urlconf(urlconf)
resolver = resolvers.RegexURLResolver(r'^/', urlconf)
### ADDED BY ZULIP
request._resolver = resolver
### END ADDED BY ZULIP
callback, callback_args, callback_kwargs = resolver.resolve(
request.path_info)
# Apply view middleware
if response is None:
for view_middleware_method in self._view_middleware:
response = view_middleware_method(request, callback,
callback_args, callback_kwargs)
if response:
break
### THIS BLOCK MODIFIED BY ZULIP
if response is None:
try:
response = callback(request, *callback_args, **callback_kwargs)
if response is RespondAsynchronously:
async_request_timer_stop(request)
return None
clear_handler_by_id(self.handler_id)
except Exception as e:
clear_handler_by_id(self.handler_id)
# If the view raised an exception, run it through exception
# middleware, and if the exception middleware returns a
# response, use that. Otherwise, reraise the exception.
for exception_middleware_method in self._exception_middleware:
response = exception_middleware_method(request, e)
if response:
break
if response is None:
raise
if response is None:
try:
view_name = callback.__name__
except AttributeError:
view_name = callback.__class__.__name__ + '.__call__'
raise ValueError("The view %s.%s returned None." %
(callback.__module__, view_name))
# If the response supports deferred rendering, apply template
# response middleware and the render the response
if hasattr(response, 'render') and callable(response.render):
for template_middleware_method in self._template_response_middleware:
response = template_middleware_method(request, response)
response = response.render()
except http.Http404 as e:
if settings.DEBUG:
from django.views import debug
response = debug.technical_404_response(request, e)
else:
try:
callback, param_dict = resolver.resolve404()
response = callback(request, **param_dict)
except Exception:
try:
response = self.handle_uncaught_exception(request, resolver,
sys.exc_info())
finally:
signals.got_request_exception.send(sender=self.__class__,
request=request)
except exceptions.PermissionDenied:
logging.warning(
'Forbidden (Permission denied): %s', request.path,
extra={
'status_code': 403,
'request': request
})
try:
callback, param_dict = resolver.resolve403()
response = callback(request, **param_dict)
except Exception:
try:
response = self.handle_uncaught_exception(request,
resolver, sys.exc_info())
finally:
signals.got_request_exception.send(
sender=self.__class__, request=request)
except SystemExit:
# See https://code.djangoproject.com/ticket/4701
raise
except Exception:
exc_info = sys.exc_info()
signals.got_request_exception.send(sender=self.__class__, request=request)
return self.handle_uncaught_exception(request, resolver, exc_info)
finally:
# Reset urlconf on the way out for isolation
set_urlconf(None)
### ZULIP CHANGE: The remainder of this function was moved
### into its own function, just below, so we can call it from
### finish().
response = self.apply_response_middleware(request, response, resolver)
return response
def get_response(self, request: HttpRequest) -> HttpResponse:
"Returns an HttpResponse object for the given HttpRequest"
try:
try:
# Setup default url resolver for this thread.
urlconf = settings.ROOT_URLCONF
set_urlconf(urlconf)
resolver = resolvers.RegexURLResolver(r'^/', urlconf)
response = None
# Apply request middleware
for middleware_method in self._request_middleware:
response = middleware_method(request)
if response:
break
if hasattr(request, "urlconf"):
# Reset url resolver with a custom urlconf.
urlconf = request.urlconf
set_urlconf(urlconf)
resolver = resolvers.RegexURLResolver(r'^/', urlconf)
### ADDED BY ZULIP
request._resolver = resolver
### END ADDED BY ZULIP
callback, callback_args, callback_kwargs = resolver.resolve(
request.path_info)
# Apply view middleware
if response is None:
for view_middleware_method in self._view_middleware:
response = view_middleware_method(
request, callback, callback_args, callback_kwargs)
if response:
break
### THIS BLOCK MODIFIED BY ZULIP
if response is None:
try:
response = callback(request, *callback_args,
**callback_kwargs)
if response is RespondAsynchronously:
async_request_timer_stop(request)
return None
clear_handler_by_id(self.handler_id)
except Exception as e:
clear_handler_by_id(self.handler_id)
# If the view raised an exception, run it through exception
# middleware, and if the exception middleware returns a
# response, use that. Otherwise, reraise the exception.
for exception_middleware_method in self._exception_middleware:
response = exception_middleware_method(request, e)
if response:
break
if response is None:
raise
if response is None:
try:
view_name = callback.__name__
except AttributeError:
view_name = callback.__class__.__name__ + '.__call__'
raise ValueError("The view %s.%s returned None." %
(callback.__module__, view_name))
# If the response supports deferred rendering, apply template
# response middleware and the render the response
if hasattr(response, 'render') and callable(response.render):
for template_middleware_method in self._template_response_middleware:
response = template_middleware_method(
request, response)
response = response.render()
except http.Http404 as e:
if settings.DEBUG:
from django.views import debug
response = debug.technical_404_response(request, e)
else:
try:
callback, param_dict = resolver.resolve404()
response = callback(request, **param_dict)
except Exception:
try:
response = self.handle_uncaught_exception(
request, resolver, sys.exc_info())
finally:
signals.got_request_exception.send(
sender=self.__class__, request=request)
except exceptions.PermissionDenied:
logging.warning('Forbidden (Permission denied): %s',
request.path,
extra={
'status_code': 403,
'request': request
})
try:
callback, param_dict = resolver.resolve403()
response = callback(request, **param_dict)
except Exception:
try:
response = self.handle_uncaught_exception(
request, resolver, sys.exc_info())
finally:
signals.got_request_exception.send(
sender=self.__class__, request=request)
except SystemExit:
# See https://code.djangoproject.com/ticket/4701
raise
except Exception:
exc_info = sys.exc_info()
signals.got_request_exception.send(sender=self.__class__,
request=request)
return self.handle_uncaught_exception(request, resolver,
exc_info)
finally:
# Reset urlconf on the way out for isolation
set_urlconf(None)
### ZULIP CHANGE: The remainder of this function was moved
### into its own function, just below, so we can call it from
### finish().
response = self.apply_response_middleware(request, response, resolver)
return response
