def instrument_django_core_handlers_wsgi(module):
# Wrap the WSGI application entry point. If this is also
# wrapped from the WSGI script file or by the WSGI hosting
# mechanism then those will take precedence.
import django
framework = ('Django', django.get_version())
module.WSGIHandler.__call__ = WSGIApplicationWrapper(
module.WSGIHandler.__call__, framework=framework)
# Wrap handle_uncaught_exception() of WSGIHandler so that
# can capture exception details of any exception which
# wasn't caught and dealt with by an exception middleware.
# The handle_uncaught_exception() function produces a 500
# error response page and otherwise suppresses the
# exception, so last chance to do this as exception will not
# propogate up to the WSGI application.
if hasattr(module.WSGIHandler, 'handle_uncaught_exception'):
module.WSGIHandler.handle_uncaught_exception = (
wrap_handle_uncaught_exception(
module.WSGIHandler.handle_uncaught_exception))
def wrapper_WSGIServer___init__(*args, **kwargs):
def _bind_params(self, listener, application, *args, **kwargs):
return self, listener, application, args, kwargs
self, listener, application, _args, _kwargs = _bind_params(
*args, **kwargs)
application = WSGIApplicationWrapper(application)
_args = (self, listener, application) + _args
return _args, _kwargs
def _nr_wrapper_Application_wsgi_(application):
# Normally Application.wsgi() returns a WSGI application, but in
# the case of the Tornado worker it can return an Tornado ASYNC
# application object. Not being a WSGI application object we can
# not wrap it with a WSGI application wrapper as the prototype
# mismatch will cause it to fail when called.
#
# Having to have this check in this way is a bit annoying, but
# the only other alternative was to instrument separately all the
# different worker types which would have been more work. Thus
# tolerate having the check here.
if not 'tornado.web' in sys.modules:
return WSGIApplicationWrapper(application)
try:
import tornado.web
except ImportError:
return WSGIApplicationWrapper(application)
if not isinstance(application, tornado.web.Application):
return WSGIApplicationWrapper(application)
return application
def _nr_wrapper_Application_wsgi_(application):
# Normally Application.wsgi() returns a WSGI application, but in
# some async frameworks a special class or coroutine is returned. We must
# check for those cases and avoid insturmenting the coroutine or
# specialized class.
try:
if 'tornado.web' in sys.modules:
import tornado.web
if isinstance(application, tornado.web.Application):
return application
except ImportError:
pass
if not is_coroutine_function(application):
return WSGIApplicationWrapper(application)
return application
def wrap_wsgi_application_entry_point(server, application, **kwargs):
return ((
server,
WSGIApplicationWrapper(application, framework='Django'),
), kwargs)
