jinja2.py 文件源码

def parse(self, template_name):
        with io.open(template_name, mode='rb') as file:
            try:
                template = self.env.parse(file.read().decode(self.charset))
            except jinja2.TemplateSyntaxError as e:
                raise TemplateSyntaxError(str(e))
            except jinja2.TemplateNotFound as e:
                raise TemplateDoesNotExist(str(e))

        return template