def async_enterable(f):
    """
    Decorator. Bring coroutine result up, so it can be used as async context

    ::

        >>> async def foo():
        ...
        ...     ...
        ...     return AsyncContextInstance(...)
        ...
        ... ctx = await foo()
        ... async with ctx:
        ...
        ...     # do

    ::

        >>> @async_enterable
        ... async def foo():
        ...
        ...     ...
        ...     return AsyncContextInstance(...)
        ...
        ... async with foo() as ctx:
        ...
        ...     # do
        ...
        ... ctx = await foo()
        ... async with ctx:
        ...
        ...     # do

    """
    @functools.wraps(f)
    def wrapper(*args, **kwargs):

        class AsyncEnterableInstance:

            async def __aenter__(self):
                self.context = await f(*args, **kwargs)
                return await self.context.__aenter__()

            async def __aexit__(self, *args, **kwargs):
                await self.context.__aexit__(*args, **kwargs)

            def __await__(self):
                return f(*args, **kwargs).__await__()

        return AsyncEnterableInstance()

    return wrapper
def async_enterable(f):
    """
    Decorator. Bring coroutine result up, so it can be used as async context

    ::

        >>> async def foo():
        ...
        ...     ...
        ...     return AsyncContextInstance(...)
        ...
        ... ctx = await foo()
        ... async with ctx:
        ...
        ...     # do

    ::

        >>> @async_enterable
        ... async def foo():
        ...
        ...     ...
        ...     return AsyncContextInstance(...)
        ...
        ... async with foo() as ctx:
        ...
        ...     # do
        ...
        ... ctx = await foo()
        ... async with ctx:
        ...
        ...     # do

    """
    @functools.wraps(f)
    def wrapper(*args, **kwargs):

        class AsyncEnterableInstance:

            async def __aenter__(self):
                self.context = await f(*args, **kwargs)
                return await self.context.__aenter__()

            async def __aexit__(self, *args, **kwargs):
                await self.context.__aexit__(*args, **kwargs)

            def __await__(self):
                return f(*args, **kwargs).__await__()

        return AsyncEnterableInstance()

    return wrapper
def async_enterable ( f ) : @ functools . wraps ( f ) def wrapper ( * args , * * kwargs ) : class AsyncEnterableInstance : async def __aenter__ ( self ) : self . context = await f ( * args , * * kwargs ) return await self . context . __aenter__ ( ) async def __aexit__ ( self , * args , * * kwargs ) : await self . context . __aexit__ ( * args , * * kwargs ) def __await__ ( self ) : return f ( * args , * * kwargs ) . __await__ ( ) return AsyncEnterableInstance ( ) return wrapper
Decorator. Bring coroutine result up, so it can be used as async context

    ::

        >>> async def foo():
        ...
        ...     ...
        ...     return AsyncContextInstance(...)
        ...
        ... ctx = await foo()
        ... async with ctx:
        ...
        ...     # do

    ::

        >>> @async_enterable
        ... async def foo():
        ...
        ...     ...
        ...     return AsyncContextInstance(...)
        ...
        ... async with foo() as ctx:
        ...
        ...     # do
        ...
        ... ctx = await foo()
        ... async with ctx:
        ...
        ...     # do
Decorator . Bring coroutine result up so it can be used as async context