def run(func: Callable[..., T_Retval],
*args,
debug: bool = False,
use_uvloop: bool = True,
policy: Optional[asyncio.AbstractEventLoopPolicy] = None) -> T_Retval:
async def wrapper():
nonlocal exception, retval
try:
retval = await func(*args)
except BaseException as exc:
exception = exc
# On CPython, use uvloop when possible if no other policy has been given and if not explicitly
# disabled
if policy is None and use_uvloop and sys.implementation.name == 'cpython':
try:
import uvloop
except ImportError:
pass
else:
policy = uvloop.EventLoopPolicy()
if policy is not None:
asyncio.set_event_loop_policy(policy)
exception = retval = None
native_run(wrapper(), debug=debug)
if exception is not None:
raise exception
else:
return cast(T_Retval, retval)
def run(func: Callable[..., T_Retval], *args, debug: bool = False,
policy: Optional[asyncio.AbstractEventLoopPolicy] = None) -> T_Retval:
async def wrapper():
nonlocal exception, retval
try:
retval = await func(*args)
except BaseException as exc:
exception = exc
if policy is not None:
asyncio.set_event_loop_policy(policy)
exception = retval = None
native_run(wrapper(), debug=debug)
if exception is not None:
raise exception
else:
return retval
def run(func: Callable[..., T_Retval], *args, debug: bool = False, use_uvloop: bool = True,
policy: Optional[asyncio.AbstractEventLoopPolicy] = None) -> T_Retval:
@wraps(func)
async def wrapper():
task = current_task()
task_state = TaskState(None, get_callable_name(func), None)
_task_states[task] = task_state
if _native_task_names:
task.set_name(task_state.name)
try:
return await func(*args)
finally:
del _task_states[task]
_maybe_set_event_loop_policy(policy, use_uvloop)
return native_run(wrapper(), debug=debug)