async def solve_generator(*, call: Callable, stack: AsyncExitStack,
sub_values: Dict[str, Any]) -> Any:
if inspect.isgeneratorfunction(call):
cm = contextmanager_in_threadpool(contextmanager(call)(**sub_values))
elif inspect.isasyncgenfunction(call):
cm = asynccontextmanager(call)(**sub_values)
return await stack.enter_async_context(cm)
async def solve_generator(*, call: Callable[..., Any], stack: AsyncExitStack,
sub_values: Dict[str, Any]) -> Any:
if is_gen_callable(call):
cm = contextmanager_in_threadpool(contextmanager(call)(**sub_values))
elif is_async_gen_callable(call):
if not inspect.isasyncgenfunction(call):
# asynccontextmanager from the async_generator backfill pre python3.7
# does not support callables that are not functions or methods.
# See https://github.com/python-trio/async_generator/issues/32
#
# Expand the callable class into its __call__ method before decorating it.
# This approach will work on newer python versions as well.
call = getattr(call, "__call__", None)
cm = asynccontextmanager(call)(**sub_values)
return await stack.enter_async_context(cm)