def main(r):
try:
ctask = asyncio.ensure_future(capture_color(r))
turn_task = None
start_angle = 0
while True:
if c.started:
if turn_task is None:
turn_task = asyncio.ensure_future(r.drive.turn_speed(np.radians(30)))
start_angle = r.drive.odometer.val.theta
elif turn_task is not None:
turn_task.cancel()
turn_task = None
if abs(r.drive.odometer.val.theta - start_angle) > 2*np.pi:
if turn_task is not None:
turn_task.cancel()
c.started = False
turn_task = None
if ctask.done():
yield From(ctask)
yield
if w.get_key() == ' ':
break
finally:
print "Finally in main"
ctask.cancel()
yield From(ctask)
def run(self, driver, time_out):
self.loop = new_event_loop()
set_event_loop(self.loop)
ensure_future(self.control_loop(driver, time_out))
self.loop.run_forever()
self.loop.close()
return (self.distance_to_goal, self.left_velocity, self.right_velocity)
def run(item_group, stream, args):
n_bytes = 0
n_errors = 0
last_error = None
start_time = time.time()
tasks = collections.deque()
if args.heaps is None:
rep = itertools.repeat(False)
else:
rep = itertools.chain(itertools.repeat(False, args.heaps), [True])
for is_end in rep:
if len(tasks) >= 2:
try:
n_bytes += yield From(tasks.popleft())
except Exception as error:
n_errors += 1
last_error = error
if is_end:
task = trollius.ensure_future(stream.async_send_heap(item_group.get_end()))
else:
for item in item_group.values():
item.version += 1
task = trollius.ensure_future(stream.async_send_heap(item_group.get_heap()))
tasks.append(task)
while len(tasks) > 0:
try:
n_bytes += yield From(tasks.popleft())
except Exception as error:
n_errors += 1
last_error = error
elapsed = time.time() - start_time
if last_error is not None:
logging.warn('%d errors, last one: %s', n_errors, last_error)
print('Sent {} bytes in {:.6f}s, {:.6f} Gb/s'.format(
n_bytes, elapsed, n_bytes * 8 / elapsed / 1e9))
def test_log_slow_callbacks(self, m_logger):
def stop_loop_cb(loop):
loop.stop()
@asyncio.coroutine
def stop_loop_coro(loop):
yield From(None)
loop.stop()
asyncio.set_event_loop(self.loop)
self.loop.set_debug(True)
self.loop.slow_callback_duration = 0.0
# slow callback
self.loop.call_soon(stop_loop_cb, self.loop)
self.loop.run_forever()
fmt = m_logger.warning.call_args[0][0]
args = m_logger.warning.call_args[0][1:]
self.assertRegex(
fmt % tuple(args), "^Executing <Handle.*stop_loop_cb.*> "
"took .* seconds$")
# slow task
asyncio.ensure_future(stop_loop_coro(self.loop), loop=self.loop)
self.loop.run_forever()
fmt = m_logger.warning.call_args[0][0]
args = m_logger.warning.call_args[0][1:]
self.assertRegex(
fmt % tuple(args), "^Executing <Task.*stop_loop_coro.*> "
"took .* seconds$")
def run(driver, time_out):
loop = new_event_loop()
set_event_loop(loop)
ensure_future(control_loop(driver, time_out, loop))
loop.run_forever()
loop.close()
return (distance_to_goal, left_velocity, right_velocity)
def run(self, driver, time_out):
self.loop = new_event_loop()
set_event_loop(self.loop)
ensure_future(self.control_loop(driver, time_out))
self.loop.run_forever()
self.loop.close()
return (self.distance_to_goal, self.left_velocity, self.right_velocity)
def run(driver, time_out):
loop = new_event_loop()
set_event_loop(loop)
ensure_future(control_loop(driver, time_out, loop))
loop.run_forever()
loop.close()
return (distance_to_goal, left_velocity, right_velocity)
def test_async_flush_fail(self):
"""Test async_flush in the case that the last heap sent failed.
This is arranged by filling up the queue slots first.
"""
for i in range(5):
trollius.ensure_future(self.stream.async_send_heap(self.heap))
# The above only queues up the async sends on the event loop. The rest of the
# test needs to be run from inside the event loop
trollius.get_event_loop().run_until_complete(self._test_async_flush())
def run(dev=None):
driver = Driver()
platform_setup(driver)
if dev is not None:
asyncio.ensure_future(arrive_device(driver, dev))
asyncio.ensure_future(keypress_dispatch(driver))
driver.running = True
#driver.loop.set_debug(True)
driver.loop.run_forever()
driver.loop.close()
def interrupt_watcher(self):
if hasattr(self, "_wait_for_interrupt"):
waiter = self._wait_for_interrupt
else:
waiter = self._watch_for_sb_update
yield From(self.loop.run_in_executor(None, waiter))
yield From(self.handle_interrupt())
if self.running:
asyncio.ensure_future(self.interrupt_watcher())
def interrupt_watcher(self):
if hasattr(self, "_wait_for_interrupt"):
waiter = self._wait_for_interrupt
else:
waiter = self._watch_for_sb_update
yield From(self.loop.run_in_executor(None, waiter))
yield From(self.handle_interrupt())
if self.running:
asyncio.ensure_future(self.interrupt_watcher())
def run(dev=None):
driver = Driver()
platform_setup(driver)
if dev is not None:
asyncio.ensure_future(arrive_device(driver, dev))
asyncio.ensure_future(keypress_dispatch(driver))
driver.running = True
#driver.loop.set_debug(True)
driver.loop.run_forever()
driver.loop.close()
def start(self):
loop = asyncio.get_event_loop()
try:
if not loop.is_running():
loop.run_until_complete(self.run())
else:
asyncio.ensure_future(self.run(), loop=loop)
except KeyboardInterrupt:
loop.close()
def run(self):
self.running = True
self.keypress_handlers = {
'g': self.gui_handler,
'h': self.help_handler,
'q': self.quit_handler,
'v': self.verbosity_handler,
}
self.loop = asyncio.get_event_loop()
asyncio.ensure_future(self.keypress_dispatch())
asyncio.ensure_future(self.arrive_device())
self.loop.run_forever()
asyncio.executor.get_default_executor().shutdown(False)
def run(self):
self.running = True
self.keypress_handlers = {
'g': self.gui_handler,
'h': self.help_handler,
'q': self.quit_handler,
'v': self.verbosity_handler,
}
self.loop = asyncio.get_event_loop()
asyncio.ensure_future(self.keypress_dispatch())
asyncio.ensure_future(self.arrive_device())
self.loop.run_forever()
asyncio.executor.get_default_executor().shutdown(False)
def arrive_device(driver, dev):
logger.info("device arrival initiated")
driver.device = dev
dev.init()
dev.nvram.acquire_lock()
dev.reset()
yield From(msleep(0.5))
setup_steps = [
_pci_setup,
_msi_setup,
_hc_setup,
_grc_setup,
_bufman_setup,
_emac_setup,
_rbdi_setup,
_rx_ring_setup,
]
tasks = []
for step in setup_steps:
tasks += [asyncio.ensure_future(step(driver))]
try:
asyncio.wait(tasks)
except Exception:
print "there was an exception!"
logger.info("device arrival concluded")
def arrive_device(driver, dev):
logger.info("device arrival initiated")
driver.device = dev
dev.init()
dev.nvram.acquire_lock()
dev.reset()
yield From(msleep(0.5))
setup_steps = [
_pci_setup,
_msi_setup,
_hc_setup,
_grc_setup,
_bufman_setup,
_emac_setup,
_rbdi_setup,
_rx_ring_setup,
]
tasks = []
for step in setup_steps:
tasks += [asyncio.ensure_future(step(driver))]
try:
asyncio.wait(tasks)
except Exception:
print "there was an exception!"
logger.info("device arrival concluded")
def test_async(self):
fut = asyncio.Future()
self.assertIs(fut._loop, self.loop)
fut2 = trollius.ensure_future(fut)
self.assertIs(fut2, fut)
self.assertIs(fut._loop, self.loop)
def run_avoiding_walls(r, coro):
try:
task = asyncio.ensure_future(coro)
while not task.done():
if r.left_short_ir.val and r.right_short_ir.val and util.close_to_wall(
r):
task.cancel()
log.debug("All sensors hit")
if r.left_bumper.val:
yield From(r.drive.turn_angle(np.radians(-120)))
else:
yield From(r.drive.turn_angle(np.radians(120)))
if r.left_bumper.val or r.left_short_ir.val:
log.debug("Left side triggered")
task.cancel()
yield From(avoid_wall(r, r.left_short_ir, r.left_bumper, -1))
if r.right_bumper.val or r.right_short_ir.val:
log.debug("Right side triggered")
task.cancel()
yield From(avoid_wall(r, r.right_short_ir, r.right_bumper, 1))
yield
try:
task.result()
except asyncio.CancelledError:
pass
finally:
task.cancel()
def test_default_exc_handler_coro(self):
self.loop._process_events = mock.Mock()
self.loop.set_debug(True)
asyncio.set_event_loop(self.loop)
@asyncio.coroutine
def zero_error_coro():
yield From(asyncio.sleep(0.01, loop=self.loop))
1 / 0
# Test Future.__del__
with mock.patch('trollius.base_events.logger') as log:
fut = asyncio.ensure_future(zero_error_coro(), loop=self.loop)
fut.add_done_callback(lambda *args: self.loop.stop())
self.loop.run_forever()
fut = None # Trigger Future.__del__ or futures._TracebackLogger
support.gc_collect()
if PY34:
# Future.__del__ in Python 3.4 logs error with
# an actual exception context
log.error.assert_called_with(
test_utils.MockPattern('.*exception was never retrieved'),
exc_info=(ZeroDivisionError, MOCK_ANY, MOCK_ANY))
else:
# futures._TracebackLogger logs only textual traceback
log.error.assert_called_with(test_utils.MockPattern(
'.*exception was never retrieved.*ZeroDiv'),
exc_info=False)
def init_rx_rings(self):
dev = self.dev
dev.rdi.mini_rcb.disable_ring = 1
logger.debug("mini receive producer ring disabled")
self.rx_ring_vaddr, self.rx_ring_len = _init_xx_ring(self, tg.rbd)
self.rx_ring_paddr = self.mm.get_paddr(self.rx_ring_vaddr)
self.rx_buffers = [0] * self.rx_ring_len
dev.rdi.std_rcb.host_addr_hi = self.rx_ring_paddr >> 32
dev.rdi.std_rcb.host_addr_low = self.rx_ring_paddr & 0xffffffff
dev.rdi.std_rcb.ring_size = self.rx_ring_len
dev.rdi.std_rcb.max_frame_len = 0x600
dev.rdi.std_rcb.nic_addr = 0x6000
dev.rdi.std_rcb.disable_ring = 0
logger.info("standard receive producer ring of size %d allocated at %x",
self.rx_ring_len, self.rx_ring_vaddr)
dev.rdi.jumbo_rcb.disable_ring = 1
logger.debug("jumbo receive producer ring disabled")
dev.hpmb.box[tg.mb_rbd_standard_producer].low = 0
self._std_rbd_pi = 0
self._std_rbd_ci = 0
producers = []
for i in range(self.rx_ring_len):
producers += [asyncio.ensure_future(produce_rxb(self, i))]
asyncio.wait(producers)
self._std_rbd_pi = self.rx_ring_len - 1
dev.hpmb.box[tg.mb_rbd_standard_producer].low = self._std_rbd_pi
def run_avoiding_walls(r, coro):
try:
task = asyncio.ensure_future(coro)
while not task.done():
if r.left_short_ir.val and r.right_short_ir.val and util.close_to_wall(r):
task.cancel()
log.debug("All sensors hit")
if r.left_bumper.val:
yield From(r.drive.turn_angle(np.radians(-120)))
else:
yield From(r.drive.turn_angle(np.radians(120)))
if r.left_bumper.val or r.left_short_ir.val:
log.debug("Left side triggered")
task.cancel()
yield From(avoid_wall(r,r.left_short_ir,r.left_bumper,-1))
if r.right_bumper.val or r.right_short_ir.val:
log.debug("Right side triggered")
task.cancel()
yield From(avoid_wall(r,r.right_short_ir,r.right_bumper,1))
yield
try:
task.result()
except asyncio.CancelledError:
pass
finally:
task.cancel()
def wall_fondle(r):
global has_spun
log.info("Going into wall fondling")
while True:
yield
if ganked_cube >= has_spun:
log.info("Spinning")
has_spun = time.time()
startAngle = r.drive.odometer.val.theta
# Turn until find good direction or if we spin all the way around
try:
task = asyncio.ensure_future(r.drive.turn_speed(np.radians(30)))
while not task.done():
gap_found = False
if abs(r.drive.odometer.val.theta - startAngle) >= 2*pi:
task.cancel()
yield
try:
task.result()
except asyncio.CancelledError:
pass
finally:
task.cancel()
log.info("Done spinning, going straight now")
try:
yield From(run_avoiding_walls(r, r.drive.go_forever(0.2, 0)))
except asyncio.TimeoutError:
log.warn("Wall bouncing task timed out and we caught it")
# TODO: Make smarter thing than just moving arbitrarily
Drive.go_distance(r.drive, -1)
# Pick a random direction to turn to
side = 1 if int(time.time()) % 2 else -1 # this is apparently in python???
yield From(r.drive.turn_angle(side * np.radians(45)))
def test_close(self):
a, b = self.loop._socketpair()
trans = self.loop._make_socket_transport(a, asyncio.Protocol())
f = asyncio.ensure_future(self.loop.sock_recv(b, 100))
trans.close()
self.loop.run_until_complete(f)
self.assertEqual(f.result(), b'')
b.close()
def main(r):
task = asyncio.ensure_future(find_cubes(r))
try:
yield From(asyncio.wait_for(task, SILO_TIME))
except asyncio.TimeoutError:
pass
yield From(clean_up(r))
def main(r):
task = asyncio.ensure_future(find_cubes(r))
try:
yield From(asyncio.wait_for(task, SILO_TIME))
except asyncio.TimeoutError:
pass
yield From(clean_up(r))
def start_write_loops(file_pairs, interval, random_variation, no_loop):
tasks = []
if not 0.1 < interval < 100.0:
raise RuntimeError('Invalid time interval value: {}'.format(interval))
loop = trollius.get_event_loop()
for input_file, output_file in file_pairs:
task = trollius.ensure_future(log_write_loop(input_file, output_file, interval, random_variation, no_loop))
tasks.append(task)
loop.run_until_complete(trollius.wait(tasks))
def wall_fondle(r):
try:
task = asyncio.ensure_future(dumb_drive(r))
while True:
yield
yield From(dumb_drive(r))
if r.l_bumper.val:
task.cancel()
yield From(avoid_wall(r, r.left_short_ir, r.l_bumper, -1))
task = asyncio.ensure_future(dumb_drive(r))
if r.r_bumper.val:
task.cancel()
yield From(avoid_wall(r, r.right_short_ir, r.r_bumper, 1))
task = asyncio.ensure_future(dumb_drive(r))
if get_cube(r):
task.cancel()
yield From(pick_up_cubes(r))
finally:
task.cancel()
def wall_fondle(r):
try:
task = asyncio.ensure_future(dumb_drive(r))
while True:
yield
yield From(dumb_drive(r))
if r.l_bumper.val:
task.cancel()
yield From(avoid_wall(r,r.left_short_ir,r.l_bumper,-1))
task = asyncio.ensure_future(dumb_drive(r))
if r.r_bumper.val:
task.cancel()
yield From(avoid_wall(r,r.right_short_ir,r.r_bumper,1))
task = asyncio.ensure_future(dumb_drive(r))
if get_cube(r):
task.cancel()
yield From(pick_up_cubes(r))
finally:
task.cancel()
def start_write_loops(file_pairs, interval, random_variation, no_loop):
tasks = []
if not 0.1 < interval < 100.0:
raise RuntimeError('Invalid time interval value: {}'.format(interval))
loop = trollius.get_event_loop()
for input_file, output_file in file_pairs:
task = trollius.ensure_future(
log_write_loop(input_file, output_file, interval, random_variation,
no_loop))
tasks.append(task)
loop.run_until_complete(trollius.wait(tasks))
def call_as_future(callable, *args, **kwargs):
"""This is a copy of thrift.util.asyncio. So, let's consider unifying them.
call_as_future(callable, *args, **kwargs) -> trollius.Task
Like trollius.ensure_future() but takes any callable and converts
it to a coroutine function first.
"""
if not asyncio.iscoroutinefunction(callable):
callable = asyncio.coroutine(callable)
return asyncio.ensure_future(callable(*args, **kwargs))
def call_as_future(callable, loop, *args, **kwargs):
"""This is a copy of thrift.util.asyncio. So, let's consider unifying them.
call_as_future(callable, *args, **kwargs) -> trollius.Task
Like trollius.ensure_future() but takes any callable and converts
it to a coroutine function first.
"""
if not asyncio.iscoroutinefunction(callable):
callable = asyncio.coroutine(callable)
return asyncio.ensure_future(callable(*args, **kwargs), loop=loop)
def keypress_dispatch(driver):
key = yield From(driver.loop.run_in_executor(None, wait_for_keypress, driver))
if key in KEYPRESS_HANDLERS:
asyncio.ensure_future(KEYPRESS_HANDLERS[key](driver))
else:
asyncio.ensure_future(unknown_keypress_handler(key))
asyncio.ensure_future(keypress_dispatch(driver))
def keypress_dispatch(self):
r = yield From(self.loop.run_in_executor(None, self._wait_for_keypress))
if r in self.keypress_handlers:
asyncio.ensure_future(self.keypress_handlers[r]())
else:
asyncio.ensure_future(self.unknown_keypress_handler(r))
asyncio.ensure_future(self.keypress_dispatch())
def __init__(self, config):
# type: (config.Config) -> ()
self.config = config
# Initialize ros service interfaces
self.grasping_controller = grasping_controller.MoveitPickPlaceInterface(
arm_name=self.config.arm_move_group_name,
gripper_name=self.config.gripper_move_group_name,
grasp_approach_tran_frame=self.config.grasp_approach_frame,
analyzer_planner_id=self.config.analyzer_planner_id,
execution_planner_id=self.config.executor_planner_id,
allowed_analyzing_time=self.config.allowed_analyzing_time,
allowed_execution_time=self.config.allowed_execution_time)
self.scene = moveit_commander.PlanningSceneInterface()
self.tf_listener = tf.TransformListener()
self.tf_broadcaster = tf.TransformBroadcaster()
# If we need to broadcast approach_tran - start publishing
if self.config.broadcast_approach_tran:
asyncio.ensure_future(self._publish_approach_tran())
def keypress_dispatch(driver):
key = yield From(
driver.loop.run_in_executor(None, wait_for_keypress, driver))
if key in KEYPRESS_HANDLERS:
asyncio.ensure_future(KEYPRESS_HANDLERS[key](driver))
else:
asyncio.ensure_future(unknown_keypress_handler(key))
asyncio.ensure_future(keypress_dispatch(driver))
def keypress_dispatch(self):
r = yield From(self.loop.run_in_executor(None,
self._wait_for_keypress))
if r in self.keypress_handlers:
asyncio.ensure_future(self.keypress_handlers[r]())
else:
asyncio.ensure_future(self.unknown_keypress_handler(r))
asyncio.ensure_future(self.keypress_dispatch())
def run_picking_up_cubes(r, coro):
try:
task = asyncio.ensure_future(coro)
while not task.done():
if get_cube(r) != Colors.NONE:
task.cancel()
yield From(pick_up_cubes(r))
yield
try:
task.result()
except asyncio.CancelledError:
pass
finally:
task.cancel()
def __init__(self, config):
# type: (config.Config) -> ()
self.config = config
# Initialize ros service interfaces
self.grasping_controller = grasping_controller.MoveitPickPlaceInterface(
arm_name=self.config.arm_move_group_name,
gripper_name=self.config.gripper_move_group_name,
grasp_approach_tran_frame=self.config.grasp_approach_frame,
analyzer_planner_id=self.config.analyzer_planner_id,
execution_planner_id=self.config.executor_planner_id,
allowed_analyzing_time=self.config.allowed_analyzing_time,
allowed_execution_time=self.config.allowed_execution_time
)
self.scene = moveit_commander.PlanningSceneInterface()
self.tf_listener = tf.TransformListener()
self.tf_broadcaster = tf.TransformBroadcaster()
# If we need to broadcast approach_tran - start publishing
if self.config.broadcast_approach_tran:
asyncio.ensure_future(self._publish_approach_tran())
def run_picking_up_cubes(r, coro):
try:
task = asyncio.ensure_future(coro)
while not task.done():
if get_cube(r) != Colors.NONE:
task.cancel()
yield From(pick_up_cubes(r))
yield
try:
task.result()
except asyncio.CancelledError:
pass
finally:
task.cancel()
def send_stream(item_group, stream, num_heaps):
tasks = collections.deque()
transferred = 0
for i in range(num_heaps + 1):
while len(tasks) >= 2:
transferred += yield From(tasks.popleft())
if i == num_heaps:
heap = item_group.get_end()
else:
heap = item_group.get_heap(data='all')
task = trollius.ensure_future(stream.async_send_heap(heap))
tasks.append(task)
for task in tasks:
transferred += yield From(task)
raise Return(transferred)
def test_create_task(self):
class MyTask(asyncio.Task):
pass
@asyncio.coroutine
def test():
pass
class EventLoop(base_events.BaseEventLoop):
def create_task(self, coro):
return MyTask(coro, loop=loop)
loop = EventLoop()
self.set_event_loop(loop)
coro = test()
task = asyncio.ensure_future(coro, loop=loop)
self.assertIsInstance(task, MyTask)
# make warnings quiet
task._log_destroy_pending = False
coro.close()
def clean_up(r):
log.info('Doing round cleanup')
r.drive.stop()
startAngle = r.drive.odometer.val.theta
# Turn until find good direction or if we spin all the way around
try:
task = asyncio.ensure_future(r.drive.turn_speed(np.radians(30)))
while not task.done():
gap_found = False
if abs(r.drive.odometer.val.theta - startAngle) >= 2*pi:
task.cancel()
if not util.close_to_wall(r):
task.cancel()
gap_found = True
yield
try:
task.result()
except asyncio.CancelledError:
pass
finally:
task.cancel()
if not gap_found:
log.debug('Rotated 2pi, no gaps')
r.drive.stop()
yield asyncio.sleep(0.5)
r.silo.open()
yield asyncio.sleep(1.5)
if gap_found:
log.debug('Going forward to leave stack, because there\'s space')
Drive.go_distance(r.drive, 6)
def clean_up(r):
log.info('Doing round cleanup')
r.drive.stop()
startAngle = r.drive.odometer.val.theta
# Turn until find good direction or if we spin all the way around
try:
task = asyncio.ensure_future(r.drive.turn_speed(np.radians(30)))
while not task.done():
gap_found = False
if abs(r.drive.odometer.val.theta - startAngle) >= 2 * pi:
task.cancel()
if not util.close_to_wall(r):
task.cancel()
gap_found = True
yield
try:
task.result()
except asyncio.CancelledError:
pass
finally:
task.cancel()
if not gap_found:
log.debug('Rotated 2pi, no gaps')
r.drive.stop()
yield asyncio.sleep(0.5)
r.silo.open()
yield asyncio.sleep(1.5)
if gap_found:
log.debug('Going forward to leave stack, because there\'s space')
Drive.go_distance(r.drive, 6)
def main_task():
t = None
while True:
c = w.get_key()
new_t = None
if c == 'q':
break
elif c == 'm':
new_t = drive.turn_speed(np.radians(5))
elif c == 'w':
new_t = drive.turn_to(0)
elif c == 'e':
new_t = drive.go_to([24, 0])
elif c == 'd':
new_t = drive.turn_to(np.pi)
elif c == 's':
new_t = drive.go_to([0, 0])
elif c == ' ' and t:
t.cancel()
try:
yield From(t)
except asyncio.CancelledError:
pass
if new_t:
if t:
t.cancel()
try:
yield From(t)
except asyncio.CancelledError:
pass
t = asyncio.ensure_future(new_t)
yield From(asyncio.sleep(0.05))
def wall_fondle(r):
global has_spun
log.info("Going into wall fondling")
while True:
yield
if ganked_cube >= has_spun:
log.info("Spinning")
has_spun = time.time()
startAngle = r.drive.odometer.val.theta
# Turn until find good direction or if we spin all the way around
try:
task = asyncio.ensure_future(r.drive.turn_speed(
np.radians(30)))
while not task.done():
gap_found = False
if abs(r.drive.odometer.val.theta - startAngle) >= 2 * pi:
task.cancel()
yield
try:
task.result()
except asyncio.CancelledError:
pass
finally:
task.cancel()
log.info("Done spinning, going straight now")
try:
yield From(run_avoiding_walls(r, r.drive.go_forever(0.2, 0)))
except asyncio.TimeoutError:
log.warn("Wall bouncing task timed out and we caught it")
# TODO: Make smarter thing than just moving arbitrarily
Drive.go_distance(r.drive, -1)
# Pick a random direction to turn to
side = 1 if int(
time.time()) % 2 else -1 # this is apparently in python???
yield From(r.drive.turn_angle(side * np.radians(45)))
def main_task():
t = None
while True:
c = w.get_key()
new_t = None
if c == 'q':
break
elif c == 'm':
new_t = drive.turn_speed(np.radians(5))
elif c == 'w':
new_t = drive.turn_to(0)
elif c == 'e':
new_t = drive.go_to([24,0])
elif c == 'd':
new_t = drive.turn_to(np.pi)
elif c == 's':
new_t = drive.go_to([0,0])
elif c == ' ' and t:
t.cancel()
try:
yield From(t)
except asyncio.CancelledError:
pass
if new_t:
if t:
t.cancel()
try:
yield From(t)
except asyncio.CancelledError:
pass
t = asyncio.ensure_future(new_t)
yield From(asyncio.sleep(0.05))
def run_control(self):
try:
stream_task = None
while True:
command = yield From(self.reader.readline())
command = command.decode('ascii')
logging.debug("command = %s", command)
if not command:
break
command = json.loads(command)
if command['cmd'] == 'start':
if stream_task is not None:
logging.warning("Start received while already running: %s", command)
continue
args = argparse.Namespace(**command['args'])
if six.PY2:
args_dict = vars(args)
for key in args_dict:
if isinstance(args_dict[key], six.text_type):
args_dict[key] = args_dict[key].encode('ascii')
if args.recv_affinity is not None and len(args.recv_affinity) > 0:
spead2.ThreadPool.set_affinity(args.recv_affinity[0])
thread_pool = spead2.ThreadPool(
1, args.recv_affinity[1:] + args.recv_affinity[:1])
else:
thread_pool = spead2.ThreadPool()
thread_pool = spead2.ThreadPool()
memory_pool = spead2.MemoryPool(
args.heap_size, args.heap_size + 1024, args.mem_max_free, args.mem_initial)
stream = spead2.recv.trollius.Stream(thread_pool, 0, args.heaps,
args.ring_heaps)
stream.set_memory_allocator(memory_pool)
if args.memcpy_nt:
stream.set_memcpy(spead2.MEMCPY_NONTEMPORAL)
bind_hostname = '' if args.multicast is None else args.multicast
if 'recv_ibv' in args and args.recv_ibv is not None:
try:
stream.add_udp_ibv_reader(
bind_hostname, args.port,
args.recv_ibv,
args.packet, args.recv_buffer,
args.recv_ibv_vector, args.recv_ibv_max_poll)
except AttributeError:
logging.error('--recv-ibv passed but slave does not support ibv')
sys.exit(1)
else:
stream.add_udp_reader(args.port, args.packet, args.recv_buffer,
bind_hostname)
thread_pool = None
memory_pool = None
stream_task = trollius.ensure_future(self.run_stream(stream))
self._write('ready\n')
elif command['cmd'] == 'stop':
if stream_task is None:
logging.warning("Stop received when already stopped")
continue
stream.stop()
received_heaps = yield From(stream_task)
self._write(json.dumps({'received_heaps': received_heaps}) + '\n')
stream_task = None
stream = None
elif command['cmd'] == 'exit':
break
else:
logging.warning("Bad command: %s", command)
continue
logging.debug("Connection closed")
if stream_task is not None:
stream.stop()
yield From(stream_task)
except Exception:
traceback.print_exc()
def main():
parser = argparse.ArgumentParser()
parser.add_argument('--log', metavar='LEVEL', default='INFO', help='Log level [%(default)s]')
subparsers = parser.add_subparsers(title='subcommands')
master = subparsers.add_parser('master')
master.add_argument('--quiet', action='store_true', default=False,
help='Print only the final result')
master.add_argument('--packet', metavar='BYTES', type=int, default=9172,
help='Maximum packet size to use for UDP [%(default)s]')
master.add_argument('--heap-size', metavar='BYTES', type=int, default=4194304,
help='Payload size for heap [%(default)s]')
master.add_argument('--addr-bits', metavar='BITS', type=int, default=40,
help='Heap address bits [%(default)s]')
master.add_argument('--multicast', metavar='ADDRESS', type=str,
help='Send via multicast group [unicast]')
group = master.add_argument_group('sender options')
group.add_argument('--send-affinity', type=spead2.parse_range_list,
help='List of CPUs to pin threads to [no affinity]')
group.add_argument('--send-buffer', metavar='BYTES', type=int,
default=spead2.send.trollius.UdpStream.DEFAULT_BUFFER_SIZE,
help='Socket buffer size [%(default)s]')
group.add_argument('--burst', metavar='BYTES', type=int,
default=spead2.send.StreamConfig.DEFAULT_BURST_SIZE,
help='Send burst size [%(default)s]')
group.add_argument('--burst-rate-ratio', metavar='RATIO', type=float,
default=spead2.send.StreamConfig.DEFAULT_BURST_RATE_RATIO,
help='Hard rate limit, relative to nominal rate [%(default)s]')
if hasattr(spead2.send, 'UdpIbvStream'):
group.add_argument('--send-ibv', type=str, metavar='ADDRESS',
help='Use ibverbs with this interface address [no]')
group.add_argument('--send-ibv-vector', type=int, default=0, metavar='N',
help='Completion vector, or -1 to use polling [%(default)s]')
group.add_argument('--send-ibv-max-poll', type=int,
default=spead2.send.UdpIbvStream.DEFAULT_MAX_POLL,
help='Maximum number of times to poll in a row [%(default)s]')
group = master.add_argument_group('receiver options')
group.add_argument('--recv-affinity', type=spead2.parse_range_list,
help='List of CPUs to pin threads to [no affinity]')
group.add_argument('--recv-buffer', metavar='BYTES', type=int,
default=spead2.recv.Stream.DEFAULT_UDP_BUFFER_SIZE,
help='Socket buffer size [%(default)s]')
if hasattr(spead2.recv.Stream, 'add_udp_ibv_reader'):
group.add_argument('--recv-ibv', type=str, metavar='ADDRESS',
help='Use ibverbs with this interface address [no]')
group.add_argument('--recv-ibv-vector', type=int, default=0, metavar='N',
help='Completion vector, or -1 to use polling [%(default)s]')
group.add_argument('--recv-ibv-max-poll', type=int,
default=spead2.recv.Stream.DEFAULT_UDP_IBV_MAX_POLL,
help='Maximum number of times to poll in a row [%(default)s]')
group.add_argument('--heaps', type=int, default=spead2.recv.Stream.DEFAULT_MAX_HEAPS,
help='Maximum number of in-flight heaps [%(default)s]')
group.add_argument('--ring-heaps', type=int, default=spead2.recv.Stream.DEFAULT_RING_HEAPS,
help='Ring buffer capacity in heaps [%(default)s]')
group.add_argument('--memcpy-nt', action='store_true',
help='Use non-temporal memcpy [no]')
group.add_argument('--mem-max-free', type=int, default=12,
help='Maximum free memory buffers [%(default)s]')
group.add_argument('--mem-initial', type=int, default=8,
help='Initial free memory buffers [%(default)s]')
master.add_argument('host')
master.add_argument('port', type=int)
slave = subparsers.add_parser('slave')
slave.add_argument('port', type=int)
args = parser.parse_args()
logging.basicConfig(level=getattr(logging, args.log.upper()))
if 'host' in args:
task = run_master(args)
else:
task = run_slave(args)
task = trollius.ensure_future(task)
trollius.get_event_loop().run_until_complete(task)
task.result()
logger = logging.getLogger('uweclang')
sh = logging.StreamHandler()
sh.setFormatter(logging.Formatter(
'[%(name)s] %(filename)s:%(lineno)d at %(asctime)s: %(levelname)s %(message)s',
'%H:%M:%S'
))
logger.addHandler(sh)
logger.setLevel(logging.DEBUG)
@asyncio.coroutine
def factorial(name, number):
f = 1
for i in range(2, number+1):
print("Task %s: Compute factorial(%s)..." % (name, i))
logger.debug('test message')
yield From(asyncio.sleep(1))
f *= i
print("Task %s: factorial(%s) = %s" % (name, number, f))
if __name__ == '__main__':
loop = asyncio.get_event_loop()
tasks = [
asyncio.ensure_future(factorial("A", 2)),
asyncio.ensure_future(factorial("B", 3)),
asyncio.ensure_future(factorial("C", 4))]
loop.run_until_complete(asyncio.wait(tasks))
loop.close()
logging.shutdown()
print('Done')
def find_cubes(r):
try:
search_task = None
while True:
if r.break_beams.blocked:
log.info("break beams were broken")
yield From(run_picking_up_cubes(r, run_avoiding_walls(r, r.drive.go_distance(6))))
yield From(pick_up_cubes(r))
try:
yield From(asyncio.get_event_loop().run_in_executor(None, v.update))
except IOError:
continue
m.update_cubes_from(v)
cube = v.nearest_cube()
#print cube
# start scanning for cubes
if cube is None:
if search_task is None:
log.info('No cubes in view - scanning')
search_task = asyncio.ensure_future(search_for_cubes(r))
continue
# we found a cube - stop scanning
if search_task:
# clean up the old task
search_task.cancel()
while not search_task.done():
yield
try:
search_task.result()
except asyncio.CancelledError:
pass
search_task = None
log.info('Stopped scanning')
if abs(cube.angle_to) > np.radians(10):
log.debug("Turning {} to {}".format(cube.angle_to, cube))
yield From(r.drive.turn_angle(cube.angle_to))
else:
log.debug("Going {}in to {}".format(cube.distance, cube))
# limit distance
to_go = cube.pos2
if cube.distance > 60:
to_go = to_go * 60 / cube.distance
# transform to world space
to_go = np.append(to_go, 1)
dest = r.drive.odometer.val.robot_matrix.dot(to_go)
try:
yield From(
run_picking_up_cubes(r, run_avoiding_walls(r,
r.drive.go_to(dest[:2], throw_timeout=True)
))
)
except asyncio.TimeoutError:
log.warn("Driving task timed out and we caught it")
if util.close_to_wall(r):
# TODO: Make smarter thing than just moving arbitrarily
Drive.go_distance(r.drive, -1)
yield From(r.drive.turn_angle(np.radians(45)))
finally:
if search_task:
search_task.cancel()
decayer = Decayer(0.25, 1.5, 8)
while True:
try:
coro = yield from loop.create_connection(wsFactory, host, port)
except OSError:
delay = decayer.decay()
printToReal(
"Could not connect to ws://{}:{}, retrying in {:.1f} seconds..."
.format(host, port, delay))
yield from asyncio.sleep(delay)
else:
printToReal("Connected to ws://{}:{}".format(host, port))
break
loop = asyncio.get_event_loop()
asyncio.ensure_future(connectToServer())
def gracefulStopCallback():
printToReal("\n^C detected, creating 'stop' file, please wait for exit...")
with open(os.path.join(workingDir, "stop"), "wb") as f:
pass
def forcefulStopCallback():
loop.stop()
loop.add_signal_handler(signal.SIGINT, gracefulStopCallback)
loop.add_signal_handler(signal.SIGTERM, forcefulStopCallback)
igsetCache = {}
def getPatternsForIgnoreSet(name):
decayer = Decayer(0.25, 1.5, 8)
while True:
try:
yield from loop.create_connection(ws_factory, host, port)
except OSError:
delay = decayer.decay()
print_to_real(
"Could not connect to ws://{}:{}, retrying in {:.1f} seconds..."
.format(host, port, delay))
yield from asyncio.sleep(delay)
else:
print_to_real("Connected to ws://{}:{}".format(host, port))
break
loop = asyncio.get_event_loop()
asyncio.ensure_future(connect_to_server())
def graceful_stop_callback():
print_to_real("\n^C detected, creating 'stop' file, please wait for exit...")
with open(os.path.join(working_dir, "stop"), "wb") as f:
pass
def forceful_stop_callback():
loop.stop()
try:
loop.add_signal_handler(signal.SIGINT, graceful_stop_callback)
loop.add_signal_handler(signal.SIGTERM, forceful_stop_callback)
def on_close(self, was_clean, code, reason):
self.factory.client = None
print_to_real(
"Disconnected from ws:// server with (was_clean, code, reason): {!r}"
.format((was_clean, code, reason)))
asyncio.ensure_future(connect_to_server())
if r.status_code != 200:
print "{0} {1}: {2} {3} {4}".format(url, time.strftime("%X %x %Z"), r.status_code, r.elapsed, r.text)
else:
if r.elapsed.total_seconds() > 1.0 or random.randint(0, 100) < 10:
print "{0} {1}: {2} {3}".format(
url, time.strftime("%X %x %Z"), r.status_code, r.elapsed.total_seconds()
)
yield From(trollius.sleep(int(delay)))
if __name__ == "__main__":
usage = """usage: %prog [options]
"""
parser = argparse.ArgumentParser()
parser.add_argument("-u", "--url", dest="url", action="append", default=[], help="the url to request")
parser.add_argument("-d", "--delay", dest="delay", default=2, help="the delay between requests")
options = parser.parse_args()
if not options.url or len(options.url) == 0:
parser.error("-u is required")
loop = trollius.get_event_loop()
tasks = []
for url in options.url:
tasks.append(trollius.ensure_future(request_every(url, options.delay)))
loop.run_until_complete(trollius.wait(tasks))
loop.close()
def execute_queries_async(
self,
queries,
definitions=None,
meta_filter=None,
exclude_modified=False):
"""Runs the given queries on the corpus asynchronously.
Arguments:
queries ([Query]): The queries to run.
definitions (dict): A dictionary defining query terms.
meta_filter (dict -> bool): A function taking file meta data and
returning whether the file should be queried.
exclude_modified (bool): Whether to exclude modified files from
the query.
Returns:
[Result]: An iterator producing the results of the query.
"""
log = logging.getLogger('uweclang.corpus.manager')
results = []
# Get filtered files from corpus.
try:
files = self.files(
meta_filter=meta_filter,
exclude_modified=exclude_modified)
except Exception as e:
raise CorpusException(e)
status = {
'completed' : 0,
'total': 0,
} # Dictionary needed since `nonlocal` is not in Python 2.7.
log.debug('Executing query batch (async.)')
# Function for searching a single file.
def query_file(meta, tagged, index):
results = []
# Extract TaggedToken list from file.
text = list(chain.from_iterable(uweclang.read_tagged_string(tagged)))
# Execute search.
try:
for i, query in enumerate(queries):
res = query.match(text, source_id=index, definitions=definitions)
if res:
results.extend(res)
except Exception as e:
raise QueryExecutionError(e)
# Update status variables.
status['completed'] += 1
log.debug('Completed file %d', index)
percent = int(status['completed'] / status['total'] * 100)
log.info('%d%% complete', percent)
return results
# Worker function for running a file search.
@asyncio.coroutine
def worker(meta, tagged, index):
log.debug('Starting file %d', index)
return loop.run_in_executor(None, query_file, meta, tagged, index)
# Create asynchronous task list.
loop = asyncio.get_event_loop()
tasks = []
for index, (meta, tagged) in enumerate(files):
log.debug('Added task %d', index)
tasks.append(asyncio.ensure_future(worker(meta, tagged, index)))
# Run tasks.
status['total'] = len(tasks)
log.info('Starting %d tasks.', status['total'])
data = loop.run_until_complete(asyncio.gather(*tuple(tasks)))
# Shutdown event loop and logger.
loop.close()
logging.shutdown()
results = (task.result() for task in tasks if task.result())
return chain.from_iterable(results)
print("%s set to %s" % (message.name, message.force))
publisher.publish(message)
fd = sys.stdin.fileno()
oldterm = termios.tcgetattr(fd)
newattr = termios.tcgetattr(fd)
newattr[3] = newattr[3] & ~termios.ICANON & ~termios.ECHO
termios.tcsetattr(fd, termios.TCSANOW, newattr)
oldflags = fcntl.fcntl(fd, fcntl.F_GETFL)
fcntl.fcntl(fd, fcntl.F_SETFL, oldflags | os.O_NONBLOCK)
print("Making event loop")
loop = trollius.get_event_loop()
print("Connecting")
future = trollius.futures.Future()
trollius.ensure_future(connect(future))
loop.run_until_complete(future)
publisher = future.result()
print("Processing keys: Q to exit")
loop.add_reader(fd, process_keys)
try:
loop.run_forever()
except KeyboardInterrupt as e:
pass
print("Cleaning up")
termios.tcsetattr(fd, termios.TCSAFLUSH, oldterm)
fcntl.fcntl(fd, fcntl.F_SETFL, oldflags)