base.py 文件源码

def get_template(self, template_name, template_dirs=None, skip=None):
        """
        Calls self.get_template_sources() and returns a Template object for
        the first template matching template_name. If skip is provided,
        template origins in skip are ignored. This is used to avoid recursion
        during template extending.
        """
        tried = []

        args = [template_name]
        # RemovedInDjango20Warning: Add template_dirs for compatibility with
        # old loaders
        if func_supports_parameter(self.get_template_sources, 'template_dirs'):
            args.append(template_dirs)

        for origin in self.get_template_sources(*args):
            if skip is not None and origin in skip:
                tried.append((origin, 'Skipped'))
                continue

            try:
                contents = self.get_contents(origin)
            except TemplateDoesNotExist:
                tried.append((origin, 'Source does not exist'))
                continue
            else:
                return Template(
                    contents, origin, origin.template_name, self.engine,
                )

        raise TemplateDoesNotExist(template_name, tried=tried)