def close(self):
try:
self.connection.send(dm_env_rpc_pb2.LeaveWorldRequest())
self.connection.send(
dm_env_rpc_pb2.DestroyWorldRequest(world_name=self.world_name))
finally:
super().close()
def tearDown(self):
self._connection.send(dm_env_rpc_pb2.LeaveWorldRequest())
self._connection.send(
dm_env_rpc_pb2.DestroyWorldRequest(world_name=self._world_name))
self._server.stop(None)
self._connection.close()
self._channel.close()
super(CatchTestBase, self).tearDown()
def tearDown(self):
super().tearDown()
try:
self.connection.send(dm_env_rpc_pb2.LeaveWorldRequest())
self.connection.send(
dm_env_rpc_pb2.DestroyWorldRequest(world_name=self.world_name))
finally:
self._server_connection.close()
def main(_):
pygame.init()
port = portpicker.pick_unused_port()
server = _start_server(port)
with grpc.secure_channel('localhost:{}'.format(port),
grpc.local_channel_credentials()) as channel:
grpc.channel_ready_future(channel).result()
with dm_env_rpc_connection.Connection(channel) as connection:
response = connection.send(dm_env_rpc_pb2.CreateWorldRequest())
world_name = response.world_name
response = connection.send(
dm_env_rpc_pb2.JoinWorldRequest(world_name=world_name))
specs = response.specs
with dm_env_adaptor.DmEnvAdaptor(connection, specs) as dm_env:
window_surface = pygame.display.set_mode((800, 600), 0, 32)
pygame.display.set_caption('Catch Human Agent')
keep_running = True
while keep_running:
requested_action = _ACTION_NOTHING
for event in pygame.event.get():
if event.type == pygame.QUIT:
keep_running = False
break
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_LEFT:
requested_action = _ACTION_LEFT
elif event.key == pygame.K_RIGHT:
requested_action = _ACTION_RIGHT
elif event.key == pygame.K_ESCAPE:
keep_running = False
break
actions = {_ACTION_PADDLE: requested_action}
step_result = dm_env.step(actions)
board = step_result.observation[_OBSERVATION_BOARD]
reward = step_result.observation[_OBSERVATION_REWARD]
_render_window(board, window_surface, reward)
pygame.display.update()
pygame.time.wait(_FRAME_DELAY_MS)
connection.send(dm_env_rpc_pb2.LeaveWorldRequest())
connection.send(
dm_env_rpc_pb2.DestroyWorldRequest(world_name=world_name))
server.stop(None)
def test_created_but_failed_to_join_world(self):
connection = mock.MagicMock()
connection.send = mock.MagicMock(side_effect=(
dm_env_rpc_pb2.CreateWorldResponse(world_name='Damogran_01'),
error.DmEnvRpcError(status_pb2.Status(message='Failed to Join.')),
dm_env_rpc_pb2.LeaveWorldResponse(),
dm_env_rpc_pb2.DestroyWorldResponse()))
with self.assertRaisesRegex(error.DmEnvRpcError, 'Failed to Join'):
_ = dm_env_adaptor.create_and_join_world(connection,
create_world_settings={},
join_world_settings={})
connection.send.assert_has_calls([
mock.call(dm_env_rpc_pb2.CreateWorldRequest()),
mock.call(
dm_env_rpc_pb2.JoinWorldRequest(world_name='Damogran_01')),
mock.call(dm_env_rpc_pb2.LeaveWorldRequest()),
mock.call(
dm_env_rpc_pb2.DestroyWorldRequest(world_name='Damogran_01'))
])
def join_world(
connection: dm_env_rpc_connection.Connection,
world_name: str,
join_world_settings: Mapping[str, Any],
requested_observations: Optional[Iterable[str]] = None,
extensions: Optional[Mapping[str, Any]] = immutabledict.immutabledict()
) -> DmEnvAdaptor:
"""Helper function to join a world with the provided settings.
Args:
connection: An instance of Connection already connected to a dm_env_rpc
server.
world_name: Name of the world to join.
join_world_settings: Settings used to join the world. Values must be
packable into a Tensor message or already packed.
requested_observations: Optional set of requested observations.
extensions: Optional mapping of extension instances to DmEnvAdaptor
attributes.
Returns:
Instance of DmEnvAdaptor.
"""
join_world_settings = {
key: (value if isinstance(value, dm_env_rpc_pb2.Tensor) else
tensor_utils.pack_tensor(value))
for key, value in join_world_settings.items()
}
specs = connection.send(
dm_env_rpc_pb2.JoinWorldRequest(world_name=world_name,
settings=join_world_settings)).specs
try:
return DmEnvAdaptor(connection,
specs,
requested_observations,
extensions=extensions)
except ValueError:
connection.send(dm_env_rpc_pb2.LeaveWorldRequest())
raise
def test_create_join_world_with_invalid_extension(self):
connection = mock.MagicMock()
connection.send = mock.MagicMock(side_effect=[
dm_env_rpc_pb2.CreateWorldResponse(world_name='foo'),
dm_env_rpc_pb2.JoinWorldResponse(specs=_SAMPLE_SPEC),
dm_env_rpc_pb2.LeaveWorldResponse(),
dm_env_rpc_pb2.DestroyWorldRequest()
])
with self.assertRaisesRegex(ValueError,
'DmEnvAdaptor already has attribute'):
_ = dm_env_adaptor.create_and_join_world(
connection,
create_world_settings={},
join_world_settings={},
extensions={'step': object()})
connection.send.assert_has_calls([
mock.call(dm_env_rpc_pb2.CreateWorldRequest()),
mock.call(dm_env_rpc_pb2.JoinWorldRequest(world_name='foo')),
mock.call(dm_env_rpc_pb2.LeaveWorldRequest()),
mock.call(dm_env_rpc_pb2.DestroyWorldRequest(world_name='foo'))
])
def test_created_and_joined_but_adaptor_failed(self):
connection = mock.MagicMock()
connection.send = mock.MagicMock(
side_effect=(dm_env_rpc_pb2.CreateWorldResponse(
world_name='Damogran_01'),
dm_env_rpc_pb2.JoinWorldResponse(specs=_SAMPLE_SPEC),
dm_env_rpc_pb2.LeaveWorldResponse(),
dm_env_rpc_pb2.DestroyWorldResponse()))
with self.assertRaisesRegex(ValueError, 'Unsupported observations'):
_ = dm_env_adaptor.create_and_join_world(
connection,
create_world_settings={},
join_world_settings={},
requested_observations=['invalid_observation'])
connection.send.assert_has_calls([
mock.call(dm_env_rpc_pb2.CreateWorldRequest()),
mock.call(
dm_env_rpc_pb2.JoinWorldRequest(world_name='Damogran_01')),
mock.call(dm_env_rpc_pb2.LeaveWorldRequest()),
mock.call(
dm_env_rpc_pb2.DestroyWorldRequest(world_name='Damogran_01'))
])
def leave_world(self):
"""Leaves the world."""
self.connection.send(dm_env_rpc_pb2.LeaveWorldRequest())
def close(self):
"""Implements dm_env.Environment.close."""
# Leaves the world if we were joined. If not, this will be a no-op anyway.
self._connection.send(dm_env_rpc_pb2.LeaveWorldRequest())
self._connection = None
def test_close_leaves_world(self):
self._connection.send = mock.MagicMock(
return_value=dm_env_rpc_pb2.LeaveWorldResponse())
self._env.close()
self._connection.send.assert_called_once_with(
dm_env_rpc_pb2.LeaveWorldRequest())
def leave_world(self):
"""Leaves currently joined world, if any."""
self.connection.send(dm_env_rpc_pb2.LeaveWorldRequest())
