<filename>security/reversion_log/middleware.py
from django.db.transaction import get_connection

from reversion import revisions as reversion

from security.middleware import MiddlewareMixin
from security.reversion_log.models import InputRequestRevision


class RevisionLogMiddleware(MiddlewareMixin):

    def process_request(self, request):
        def create_revision_request_log(revision):
            if getattr(request, 'input_logged_request', False):
                InputRequestRevision.objects.create(logged_request=request.input_logged_request, revision=revision)

        reversion.add_callback(create_revision_request_log)
