Compiled Templates With Macros Do Not Work On App Engine

I use Jinja2 compiled templates and a module loader to load the compiled templates (python code) from the datastore. But when my template contains a macro it does not work on app e

Solution 1:

I was able to solve it, by adding the module to the sys.modules. But I do not understand why it worked in the SDK and not in GAE when I use a macro

Here is the code of my changed module loader.

defget_module(self, environment, template):
    # Convert the path to a module name
    name = template.replace('.html', '').replace('.txt','').replace('/', '.')   # NO extensions   
    module = Noneif self.package == None :                                           # load from db and not from package
        logging.info('load module : ' + name)                           # load module from runtimes db if name in sys.modules : return sys.modules[name]               # already imported              try :
            runtime = models.Runtimes.rtimes_get_by_key_name(template)
            module_code = db.Text(runtime.compiled)                                 
            module = imp.new_module(name)
            exec module_code in module.__dict__                                         
            sys.modules[name] = module                                  # add to sys modules, so no import againreturn module
        except (ImportError, AttributeError):
            logging.error('load failed : ' + name)

    else : .... # load from packageraise TemplateNotFound(template)