cached.py 文件源码

def find_template(self, name, dirs=None):
        """
        RemovedInDjango20Warning: An internal method to lookup the template
        name in all the configured loaders.
        """
        key = self.cache_key(name, dirs)
        try:
            result = self.find_template_cache[key]
        except KeyError:
            result = None
            for loader in self.loaders:
                try:
                    template, display_name = loader(name, dirs)
                except TemplateDoesNotExist:
                    pass
                else:
                    origin = Origin(
                        name=display_name,
                        template_name=name,
                        loader=loader,
                    )
                    result = template, origin
                    break
        self.find_template_cache[key] = result
        if result:
            return result
        else:
            self.template_cache[key] = TemplateDoesNotExist
            raise TemplateDoesNotExist(name)