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https://github.com/huggingface/lerobot.git
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add comment pi0 pi05 tests, add image features to pi0 pi05 hub tests
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Pepijn
@@ -1,15 +1,20 @@
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#!/usr/bin/env python
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"""Test script to verify PI0.5 (pi05) support in PI0OpenPI policy."""
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"""Test script to verify PI0.5 (pi05) support in PI0OpenPI policy, only meant to be run locally!"""
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import os
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import pytest
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import torch
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# Skip entire module if transformers is not available
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pytest.importorskip("transformers")
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# Skip this entire module in CI
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pytestmark = pytest.mark.skipif(
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os.environ.get("CI") == "true" or os.environ.get("GITHUB_ACTIONS") == "true",
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reason="This test requires local OpenPI installation and is not meant for CI",
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)
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from lerobot.policies.pi05_openpi import PI05OpenPIConfig, PI05OpenPIPolicy
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from tests.utils import require_cuda
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from lerobot.policies.pi05_openpi import PI05OpenPIConfig, PI05OpenPIPolicy # noqa: E402
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from tests.utils import require_cuda # noqa: E402
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@require_cuda
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@@ -1,16 +1,21 @@
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#!/usr/bin/env python
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"""Test script to verify PI0OpenPI policy integration with LeRobot."""
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"""Test script to verify PI0OpenPI policy integration with LeRobot, only meant to be run locally!"""
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import os
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import pytest
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import torch
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# Skip entire module if transformers is not available
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pytest.importorskip("transformers")
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# Skip this entire module in CI
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pytestmark = pytest.mark.skipif(
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os.environ.get("CI") == "true" or os.environ.get("GITHUB_ACTIONS") == "true",
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reason="This test requires local OpenPI installation and is not meant for CI",
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)
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from lerobot.policies.factory import make_policy_config
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from lerobot.policies.pi0_openpi import PI0OpenPIConfig, PI0OpenPIPolicy
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from tests.utils import require_cuda
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from lerobot.policies.factory import make_policy_config # noqa: E402
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from lerobot.policies.pi0_openpi import PI0OpenPIConfig, PI0OpenPIPolicy # noqa: E402
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from tests.utils import require_cuda # noqa: E402
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@require_cuda
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@@ -45,208 +45,6 @@ def create_dummy_stats(config):
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return dummy_stats
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def test_pi0_hub_loading():
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"""Test loading PI0 model from HuggingFace hub."""
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_test_hub_loading(model_id="pepijn223/pi0_base_fp32", model_name="PI0")
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def test_pi05_hub_loading():
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"""Test loading PI0.5 model from HuggingFace hub."""
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_test_hub_loading(model_id="pepijn223/pi05_base_fp32", model_name="PI0.5")
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def _test_hub_loading(model_id, model_name):
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"""Internal helper function for testing hub loading.
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Args:
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model_id: HuggingFace model ID to load
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model_name: Display name for the model (e.g., "PI0", "PI0.5")
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"""
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print("=" * 60)
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print(f"{model_name} OpenPI HuggingFace Hub Loading Test")
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print("=" * 60)
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print(f"\nLoading model from: {model_id}")
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print("-" * 60)
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try:
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# Load the model from HuggingFace hub with strict mode
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if model_name == "PI0.5":
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policy = PI05OpenPIPolicy.from_pretrained(
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model_id,
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strict=True, # Ensure all weights are loaded correctly,
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)
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else:
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policy = PI0OpenPIPolicy.from_pretrained(
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model_id,
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strict=True, # Ensure all weights are loaded correctly,
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)
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print("✓ Model loaded successfully from HuggingFace hub")
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# Inject dummy stats since they aren't loaded from the hub
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print("Creating dummy dataset stats for testing...")
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device = next(policy.parameters()).device
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dummy_stats = create_dummy_stats(policy.config)
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# Move dummy stats to device
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for key, stats in dummy_stats.items():
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dummy_stats[key] = {
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"mean": stats["mean"].to(device),
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"std": stats["std"].to(device),
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}
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# Initialize normalization layers with dummy stats if they have NaN/inf values
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print("✓ Dummy stats created and moved to device")
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# Get model info
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print("\nModel configuration:")
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print(f" - Model type: {model_name}")
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print(f" - PaliGemma variant: {policy.config.paligemma_variant}")
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print(f" - Action expert variant: {policy.config.action_expert_variant}")
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print(f" - Action dimension: {policy.config.max_action_dim}")
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print(f" - State dimension: {policy.config.max_state_dim}")
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print(f" - Chunk_size: {policy.config.chunk_size}")
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print(f" - Tokenizer max length: {policy.config.tokenizer_max_length}")
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if model_name == "PI0.5":
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print(f" - discrete_state_input: {policy.config.discrete_state_input}")
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print(f" - Device: {device}")
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print(f" - Dtype: {next(policy.parameters()).dtype}")
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# Check model-specific features
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if model_name == "PI0.5":
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print("\nPI0.5 specific features:")
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print(f" - Has time_mlp layers: {hasattr(policy.model, 'time_mlp_in')}")
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print(f" - Has state_proj: {hasattr(policy.model, 'state_proj')} (should be False)")
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print(f" - Uses AdaRMS: {policy.model.paligemma_with_expert.gemma_expert.config.use_adarms}")
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# Verify PI0.5 architecture
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assert hasattr(policy.model, "time_mlp_in"), "PI0.5 should have time_mlp_in"
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assert hasattr(policy.model, "time_mlp_out"), "PI0.5 should have time_mlp_out"
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assert not hasattr(policy.model, "state_proj"), "PI0.5 should not have state_proj"
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assert not hasattr(policy.model, "action_time_mlp_in"), "PI0.5 should not have action_time_mlp_in"
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print(" ✓ PI0.5 architecture verified")
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else:
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print("\nPI0 specific features:")
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print(f" - Has action_time_mlp layers: {hasattr(policy.model, 'action_time_mlp_in')}")
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print(f" - Has state_proj: {hasattr(policy.model, 'state_proj')} (should be True)")
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print(
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f" - Uses AdaRMS: {policy.model.paligemma_with_expert.gemma_expert.config.use_adarms} (should be False)"
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)
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# Verify PI0 architecture
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assert hasattr(policy.model, "action_time_mlp_in"), "PI0 should have action_time_mlp_in"
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assert hasattr(policy.model, "action_time_mlp_out"), "PI0 should have action_time_mlp_out"
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assert hasattr(policy.model, "state_proj"), "PI0 should have state_proj"
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assert not hasattr(policy.model, "time_mlp_in"), "PI0 should not have time_mlp_in"
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print(" ✓ PI0 architecture verified")
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except Exception as e:
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print(f"✗ Failed to load model: {e}")
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raise
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print("\n" + "-" * 60)
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print("Testing forward pass with loaded model...")
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# Create dummy batch for testing
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batch_size = 1
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# Check if normalization layers have invalid stats and replace with dummy stats if needed
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try:
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# Check if the normalize_inputs has valid stats
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if hasattr(policy.normalize_inputs, "stats"):
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obs_state_mean = policy.normalize_inputs.stats.get("observation.state", {}).get("mean")
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if obs_state_mean is not None and (
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torch.isinf(obs_state_mean).any() or torch.isnan(obs_state_mean).any()
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):
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print("⚠️ Found invalid normalization stats, replacing with dummy stats...")
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# Replace with dummy stats
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from lerobot.policies.normalize import Normalize, Unnormalize
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policy.normalize_inputs = Normalize(
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policy.config.input_features, policy.config.normalization_mapping, dummy_stats
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)
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policy.normalize_targets = Normalize(
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policy.config.output_features, policy.config.normalization_mapping, dummy_stats
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)
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policy.unnormalize_outputs = Unnormalize(
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policy.config.output_features, policy.config.normalization_mapping, dummy_stats
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)
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print("✓ Normalization layers updated with dummy stats")
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except Exception as e:
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print(f"⚠️ Error checking normalization stats, creating new ones: {e}")
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# Fallback: create new normalization layers
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from lerobot.policies.normalize import Normalize, Unnormalize
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policy.normalize_inputs = Normalize(
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policy.config.input_features, policy.config.normalization_mapping, dummy_stats
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)
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policy.normalize_targets = Normalize(
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policy.config.output_features, policy.config.normalization_mapping, dummy_stats
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)
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policy.unnormalize_outputs = Unnormalize(
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policy.config.output_features, policy.config.normalization_mapping, dummy_stats
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)
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# Create test batch
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batch = {
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"observation.state": torch.randn(
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batch_size, policy.config.max_state_dim, dtype=torch.float32, device=device
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),
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"action": torch.randn(
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batch_size,
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policy.config.chunk_size,
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policy.config.max_action_dim,
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dtype=torch.float32,
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device=device,
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),
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"task": ["Pick up the object"] * batch_size,
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}
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# Add images if they're in the config
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for key in policy.config.image_features.keys():
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batch[key] = torch.rand(batch_size, 3, 224, 224, dtype=torch.float32, device=device)
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try:
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# Test forward pass
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policy.train() # Set to training mode for forward pass with loss
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loss, loss_dict = policy.forward(batch)
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print("✓ Forward pass successful")
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print(f" - Loss: {loss_dict['loss']:.4f}")
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print(f" - Loss shape: {loss.shape if hasattr(loss, 'shape') else 'scalar'}")
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except Exception as e:
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print(f"✗ Forward pass failed: {e}")
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import traceback
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traceback.print_exc()
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raise
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print("\n" + "-" * 60)
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print("Testing inference with loaded model...")
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try:
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# Test action prediction
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policy.eval() # Set to evaluation mode for inference
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with torch.no_grad():
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action = policy.select_action(batch)
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print("✓ Action prediction successful")
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print(f" - Action shape: {action.shape}")
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print(f" - Action range: [{action.min().item():.3f}, {action.max().item():.3f}]")
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except Exception as e:
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print(f"✗ Action prediction failed: {e}")
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import traceback
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traceback.print_exc()
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raise
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print("\n" + "=" * 60)
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print(f"✓ All tests passed for {model_name}!")
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print("=" * 60)
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# Test data for all 6 base models
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MODEL_TEST_PARAMS = [
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# PI0 models
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@@ -281,6 +79,35 @@ def test_all_base_models_hub_loading(model_id, model_type, policy_class):
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print(f"✗ Failed to load model {model_id}: {e}")
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raise
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# Set up input_features and output_features in the config (not set by from_pretrained)
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from lerobot.configs.types import FeatureType, PolicyFeature
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policy.config.input_features = {
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"observation.state": PolicyFeature(
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type=FeatureType.STATE,
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shape=(policy.config.max_state_dim,),
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),
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"observation.images.base_0_rgb": PolicyFeature(
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type=FeatureType.VISUAL,
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shape=(3, 224, 224),
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),
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"observation.images.left_wrist_0_rgb": PolicyFeature(
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type=FeatureType.VISUAL,
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shape=(3, 224, 224),
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),
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"observation.images.right_wrist_0_rgb": PolicyFeature(
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type=FeatureType.VISUAL,
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shape=(3, 224, 224),
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),
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}
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policy.config.output_features = {
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"action": PolicyFeature(
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type=FeatureType.ACTION,
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shape=(policy.config.max_action_dim,),
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),
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}
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# Get model info
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device = next(policy.parameters()).device
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print("\nModel configuration:")
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