Testing which introspection functions accepts what kind of awaitable

async_introspection.py

import asyncio
import inspect

async def async_func():
    await asyncio.sleep(1)

@asyncio.coroutine
def decorator_func():
    yield from asyncio.sleep(1)

future = asyncio.ensure_future(async_func())

print('inspect.iscoroutinefunction:async_func -> ', inspect.iscoroutinefunction(async_func))
print('inspect.iscoroutinefunction:decorator_func -> ', inspect.iscoroutinefunction(decorator_func))
print('inspect.iscoroutinefunction:ensure_future -> ', inspect.iscoroutinefunction(future))

print('asyncio.iscoroutinefunction:async_func -> ', asyncio.iscoroutinefunction(async_func))
print('asyncio.iscoroutinefunction:decorator_func -> ', asyncio.iscoroutinefunction(decorator_func))
print('asyncio.iscoroutinefunction:ensure_future -> ', asyncio.iscoroutinefunction(future))

res_async = async_func()
res_decorator = decorator_func()

print('inspect.isawaitable:async_func -> ', inspect.isawaitable(res_async))
print('inspect.isawaitable:decorator_func -> ', inspect.isawaitable(res_decorator))
print('inspect.isawaitable:ensure_future -> ', inspect.isawaitable(future))

# inspect.iscoroutinefunction:async_func ->  True
# inspect.iscoroutinefunction:decorator_func ->  False
# inspect.iscoroutinefunction:ensure_future ->  False

# asyncio.iscoroutinefunction:async_func ->  True
# asyncio.iscoroutinefunction:decorator_func ->  True
# asyncio.iscoroutinefunction:ensure_future ->  False

# inspect.isawaitable:async_func ->  True
# inspect.isawaitable:decorator_func ->  True
# inspect.isawaitable:ensure_future ->  True