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openpi/examples/simple_client/main.py
Ury Zhilinsky 385780ecc3 Initial commit
2024-12-23 13:38:06 -08:00

82 lines
2.2 KiB
Python

import dataclasses
import logging
import time
import numpy as np
from openpi_client import websocket_client_policy as _websocket_client_policy
import tyro
@dataclasses.dataclass
class Args:
host: str = "0.0.0.0"
port: int = 8000
example: str = "droid"
def main(args: Args) -> None:
obs_fn = {
"aloha": _random_observation_aloha,
"droid": _random_observation_droid,
"calvin": _random_observation_calvin,
"libero": _random_observation_libero,
}[args.example]
policy = _websocket_client_policy.WebsocketClientPolicy(
host=args.host,
port=args.port,
)
# Send 1 observation to make sure the model is loaded.
policy.infer(obs_fn())
start = time.time()
for _ in range(100):
policy.infer(obs_fn())
end = time.time()
print(f"Total time taken: {end - start}")
# Note that each inference returns many action chunks.
print(f"Inference rate: {100 / (end - start)} Hz")
def _random_observation_aloha() -> dict:
return {
"qpos": np.ones((14,)),
"image": np.random.rand(4, 3, 480, 640).astype(np.float32),
}
def _random_observation_droid() -> dict:
return {
"observation/exterior_image_1_left": np.random.randint(256, size=(224, 224, 3), dtype=np.uint8),
"observation/wrist_image_left": np.random.randint(256, size=(224, 224, 3), dtype=np.uint8),
"observation/joint_position": np.random.rand(7),
"observation/gripper_position": np.random.rand(1),
"prompt": "do something",
}
def _random_observation_calvin() -> dict:
return {
"observation/state": np.random.rand(15),
"observation/rgb_static": np.random.rand(4, 3, 480, 640).astype(np.float32),
"observation/rgb_gripper": np.random.rand(4, 3, 480, 640).astype(np.float32),
"prompt": "do something",
}
def _random_observation_libero() -> dict:
return {
"observation/state": np.random.rand(8),
"observation/image": np.random.rand(4, 3, 480, 640).astype(np.float32),
"observation/wrist_image": np.random.rand(4, 3, 480, 640).astype(np.float32),
"prompt": "do something",
}
if __name__ == "__main__":
logging.basicConfig(level=logging.INFO)
tyro.cli(main)