sanic 异步渲染模板

#!/usr/bin/env python
import sys

from jinja2 import Environment, PackageLoader, select_autoescape
from sanic.response import html

# https://github.com/channelcat/sanic/blob/5bb640ca1706a42a012109dc3d811925d7453217/examples/jinja_example/jinja_example.py
# 开启异步特性  要求3.6+
enable_async = sys.version_info >= (3, 6)

# jinjia2 config
env = Environment(
    loader=PackageLoader('views.rss_json', '../templates/rss_json'),
    autoescape=select_autoescape(['html', 'xml', 'tpl']),
    enable_async=enable_async)


async def template(tpl, **kwargs):
    template = env.get_template(tpl)
    rendered_template = await template.render_async(**kwargs)
    return html(rendered_template)