commit d865c718242146c9ef14901482ebe940be100bb2 Author: Illia Volochii illia.volochii@gmail.com Date: Wed Apr 15 21:49:02 2020 +0300

Make the `with_default` decorator compatible with asynchronous functions --- stem/control.py | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/stem/control.py b/stem/control.py index 0bf1b35c..d5e0d0ba 100644 --- a/stem/control.py +++ b/stem/control.py @@ -458,6 +458,12 @@ def with_default(yields: bool = False) -> Callable: """

def decorator(func: Callable) -> Callable: + is_coroutine_func = asyncio.iscoroutinefunction(func) + def coroutine_if_needed(func: Callable) -> Callable: + if is_coroutine_func: + return asyncio.coroutine(func) + return func + def get_default(func: Callable, args: Any, kwargs: Any) -> Any: arg_names = inspect.getfullargspec(func).args[1:] # drop 'self' default_position = arg_names.index('default') if 'default' in arg_names else None @@ -469,9 +475,13 @@ def with_default(yields: bool = False) -> Callable:

if not yields: @functools.wraps(func) + @coroutine_if_needed def wrapped(self, *args: Any, **kwargs: Any) -> Any: try: - return func(self, *args, **kwargs) + result = func(self, *args, **kwargs) + if is_coroutine_func: + result = yield from result + return result except: default = get_default(func, args, kwargs)

@@ -481,9 +491,13 @@ def with_default(yields: bool = False) -> Callable: return default else: @functools.wraps(func) + @coroutine_if_needed def wrapped(self, *args: Any, **kwargs: Any) -> Any: try: - for val in func(self, *args, **kwargs): + result = func(self, *args, **kwargs) + if is_coroutine_func: + result = yield from result + for val in result: yield val except: default = get_default(func, args, kwargs)