run tornado coroutine sync

run_sync.py

# -*- coding: utf-8 -*-

from tornado import gen
from tornado.ioloop import IOLoop

def run_sync(func, *sub, **kw):

    result = func(*sub, **kw)
    if not gen.is_future(result):
        return result

    @gen.coroutine
    def foo():
        res = yield result
        raise gen.Return(res)

    return IOLoop.current().run_sync(foo)