old_contents: from django.conf import settings
  from django.http import HttpResponse, Http404
  from django.db.models.base import ObjectDoesNotExist
  from django.utils.translation import ugettext as _
  import json
  
  
  class AjaxErrorMiddleware(object):
      '''Return AJAX errors to the browser in a sensible way.
  
      Includes some code from http://www.djangosnippets.org/snippets/650/
      '''
  
      # Some useful errors that this middleware will catch.
      class InputError(Exception):
          def __init__(self, message):
              self.message = message
  
      class ParameterMissingError(InputError):
          def __init__(self, param):
              super(AjaxErrorMiddleware.ParameterMissingError, self).__init__(
                  _('Required parameter missing: %s') % param)
  
  
      def process_exception(self, request, exception):
          if not request.is_ajax(): return
  
          if isinstance(exception, (ObjectDoesNotExist, Http404)):
              return self.not_found(request, exception)
  
          if isinstance(exception, AjaxErrorMiddleware.InputError):
              return self.bad_request(request, exception)
  
          return self.server_error(request, exception)
      
  
      def serialize_error(self, status, message):
          return HttpResponse(json.dumps({
                      'status': status,
                      'message': message}),
                              status=status)
  
      
      def not_found(self, request, exception):
          return self.serialize_error(404, str(exception))
  
      
      def bad_request(self, request, exception):
          return self.serialize_error(400, exception.message)
  
  
      def server_error(self, request, exception):
          if settings.DEBUG:
              import sys, traceback
              (exc_type, exc_info, tb) = sys.exc_info()
              message = "%s\n" % exc_type.__name__
              message += "%s\n\n" % exc_info
              message += "TRACEBACK:\n"    
              for tb in traceback.format_tb(tb):
                  message += "%s\n" % tb
              return self.serialize_error(500, message)
          else:
              return self.serialize_error(500, _('Internal error'))
  
new_contents: from django.conf import settings
  from django.http import HttpResponse, Http404
  from django.db.models.base import ObjectDoesNotExist
  from django.utils.translation import ugettext as _
  from sentry.client.models import client
  import sys, traceback
  import json
  
  class AjaxErrorMiddleware(object):
      '''Return AJAX errors to the browser in a sensible way.
  
      Includes some code from http://www.djangosnippets.org/snippets/650/
      '''
  
      # Some useful errors that this middleware will catch.
      class InputError(Exception):
          def __init__(self, message):
              self.message = message
  
      class ParameterMissingError(InputError):
          def __init__(self, param):
              super(AjaxErrorMiddleware.ParameterMissingError, self).__init__(
                  _('Required parameter missing: %s') % param)
  
  
      def process_exception(self, request, exception):
          if not request.is_ajax(): return
  
          if isinstance(exception, (ObjectDoesNotExist, Http404)):
              return self.not_found(request, exception)
  
          if isinstance(exception, AjaxErrorMiddleware.InputError):
              return self.bad_request(request, exception)
  
          return self.server_error(request, exception)
      
  
      def serialize_error(self, status, message):
          return HttpResponse(json.dumps({
                      'status': status,
                      'message': message}),
                              status=status)
  
      
      def not_found(self, request, exception):
          return self.serialize_error(404, str(exception))
  
      
      def bad_request(self, request, exception):
          return self.serialize_error(400, exception.message)
  
  
      def server_error(self, request, exception):
          exc_info = sys.exc_info()
          client.create_from_exception(exc_info)
          
          if settings.DEBUG:
              (exc_type, exc_info, tb) = exc_info
              message = "%s\n" % exc_type.__name__
              message += "%s\n\n" % exc_info
              message += "TRACEBACK:\n"    
              for tb in traceback.format_tb(tb):
                  message += "%s\n" % tb
              return self.serialize_error(500, message)
          else:
              return self.serialize_error(500, _('Internal error'))
  
subject: fix ajax errors logging in Sentry