feat(demo): add export and silhouette visualization outputs

Add preprocess-only silhouette export and configurable result exporters so demo runs can be persisted for offline analysis and reproducible evaluation. Include optional parquet support and CLI visualization dumps while updating tests and tracking notes for the verified pipeline/debug workflow.
This commit is contained in:
2026-02-27 17:16:20 +08:00
parent 3496a1beb7
commit f501119d43
10 changed files with 1101 additions and 217 deletions
+410 -1
View File
@@ -1,6 +1,21 @@
from __future__ import annotations
import importlib.util
import json
import pickle
from pathlib import Path
import subprocess
import sys
import time
from typing import Final, cast
import pytest
import torch
from opengait.demo.sconet_demo import ScoNetDemo
import json
import pickle
from pathlib import Path
import subprocess
import sys
@@ -105,7 +120,6 @@ def _assert_prediction_schema(prediction: dict[str, object]) -> None:
assert isinstance(prediction["timestamp_ns"], int)
def test_pipeline_cli_fps_benchmark_smoke(
compatible_checkpoint_path: Path,
) -> None:
@@ -277,3 +291,398 @@ def test_pipeline_cli_invalid_checkpoint_path_returns_user_error() -> None:
assert result.returncode == 2
assert "Error: Checkpoint not found" in result.stderr
def test_pipeline_cli_preprocess_only_requires_export_path(
compatible_checkpoint_path: Path,
) -> None:
"""Test that --preprocess-only requires --silhouette-export-path."""
_require_integration_assets()
result = _run_pipeline_cli(
"--source",
str(SAMPLE_VIDEO_PATH),
"--checkpoint",
str(compatible_checkpoint_path),
"--config",
str(CONFIG_PATH),
"--device",
_device_for_runtime(),
"--yolo-model",
str(YOLO_MODEL_PATH),
"--preprocess-only",
"--max-frames",
"10",
timeout_seconds=30,
)
assert result.returncode == 2
assert "--silhouette-export-path is required" in result.stderr
def test_pipeline_cli_preprocess_only_exports_pickle(
compatible_checkpoint_path: Path,
tmp_path: Path,
) -> None:
"""Test preprocess-only mode exports silhouettes to pickle."""
_require_integration_assets()
export_path = tmp_path / "silhouettes.pkl"
result = _run_pipeline_cli(
"--source",
str(SAMPLE_VIDEO_PATH),
"--checkpoint",
str(compatible_checkpoint_path),
"--config",
str(CONFIG_PATH),
"--device",
_device_for_runtime(),
"--yolo-model",
str(YOLO_MODEL_PATH),
"--preprocess-only",
"--silhouette-export-path",
str(export_path),
"--silhouette-export-format",
"pickle",
"--max-frames",
"30",
timeout_seconds=180,
)
assert result.returncode == 0, (
f"Expected exit code 0, got {result.returncode}. stderr:\n{result.stderr}"
)
# Verify export file exists and contains silhouettes
assert export_path.is_file(), f"Export file not found: {export_path}"
with open(export_path, "rb") as f:
silhouettes = pickle.load(f)
assert isinstance(silhouettes, list)
assert len(silhouettes) > 0, "Expected at least one silhouette"
# Verify silhouette schema
for item in silhouettes:
assert isinstance(item, dict)
assert "frame" in item
assert "track_id" in item
assert "timestamp_ns" in item
assert "silhouette" in item
assert isinstance(item["frame"], int)
assert isinstance(item["track_id"], int)
assert isinstance(item["timestamp_ns"], int)
def test_pipeline_cli_result_export_json(
compatible_checkpoint_path: Path,
tmp_path: Path,
) -> None:
"""Test that results can be exported to JSON file."""
_require_integration_assets()
export_path = tmp_path / "results.jsonl"
result = _run_pipeline_cli(
"--source",
str(SAMPLE_VIDEO_PATH),
"--checkpoint",
str(compatible_checkpoint_path),
"--config",
str(CONFIG_PATH),
"--device",
_device_for_runtime(),
"--yolo-model",
str(YOLO_MODEL_PATH),
"--window",
"10",
"--stride",
"10",
"--result-export-path",
str(export_path),
"--result-export-format",
"json",
"--max-frames",
"60",
timeout_seconds=180,
)
assert result.returncode == 0, (
f"Expected exit code 0, got {result.returncode}. stderr:\n{result.stderr}"
)
# Verify export file exists
assert export_path.is_file(), f"Export file not found: {export_path}"
# Read and verify JSON lines
predictions: list[dict[str, object]] = []
with open(export_path, "r", encoding="utf-8") as f:
for line in f:
line = line.strip()
if line:
predictions.append(cast(dict[str, object], json.loads(line)))
assert len(predictions) > 0, "Expected at least one prediction in export"
for prediction in predictions:
_assert_prediction_schema(prediction)
def test_pipeline_cli_result_export_pickle(
compatible_checkpoint_path: Path,
tmp_path: Path,
) -> None:
"""Test that results can be exported to pickle file."""
_require_integration_assets()
export_path = tmp_path / "results.pkl"
result = _run_pipeline_cli(
"--source",
str(SAMPLE_VIDEO_PATH),
"--checkpoint",
str(compatible_checkpoint_path),
"--config",
str(CONFIG_PATH),
"--device",
_device_for_runtime(),
"--yolo-model",
str(YOLO_MODEL_PATH),
"--window",
"10",
"--stride",
"10",
"--result-export-path",
str(export_path),
"--result-export-format",
"pickle",
"--max-frames",
"60",
timeout_seconds=180,
)
assert result.returncode == 0, (
f"Expected exit code 0, got {result.returncode}. stderr:\n{result.stderr}"
)
# Verify export file exists
assert export_path.is_file(), f"Export file not found: {export_path}"
# Read and verify pickle
with open(export_path, "rb") as f:
predictions = pickle.load(f)
assert isinstance(predictions, list)
assert len(predictions) > 0, "Expected at least one prediction in export"
for prediction in predictions:
_assert_prediction_schema(prediction)
def test_pipeline_cli_silhouette_and_result_export(
compatible_checkpoint_path: Path,
tmp_path: Path,
) -> None:
"""Test exporting both silhouettes and results simultaneously."""
_require_integration_assets()
silhouette_export = tmp_path / "silhouettes.pkl"
result_export = tmp_path / "results.jsonl"
result = _run_pipeline_cli(
"--source",
str(SAMPLE_VIDEO_PATH),
"--checkpoint",
str(compatible_checkpoint_path),
"--config",
str(CONFIG_PATH),
"--device",
_device_for_runtime(),
"--yolo-model",
str(YOLO_MODEL_PATH),
"--window",
"10",
"--stride",
"10",
"--silhouette-export-path",
str(silhouette_export),
"--silhouette-export-format",
"pickle",
"--result-export-path",
str(result_export),
"--result-export-format",
"json",
"--max-frames",
"60",
timeout_seconds=180,
)
assert result.returncode == 0, (
f"Expected exit code 0, got {result.returncode}. stderr:\n{result.stderr}"
)
# Verify both export files exist
assert silhouette_export.is_file(), f"Silhouette export not found: {silhouette_export}"
assert result_export.is_file(), f"Result export not found: {result_export}"
# Verify silhouette export
with open(silhouette_export, "rb") as f:
silhouettes = pickle.load(f)
assert isinstance(silhouettes, list)
assert len(silhouettes) > 0
# Verify result export
with open(result_export, "r", encoding="utf-8") as f:
predictions = [cast(dict[str, object], json.loads(line)) for line in f if line.strip()]
assert len(predictions) > 0
def test_pipeline_cli_parquet_export_requires_pyarrow(
compatible_checkpoint_path: Path,
tmp_path: Path,
) -> None:
"""Test that parquet export fails gracefully when pyarrow is not available."""
_require_integration_assets()
# Skip if pyarrow is actually installed
if importlib.util.find_spec("pyarrow") is not None:
pytest.skip("pyarrow is installed, skipping missing dependency test")
try:
import pyarrow # noqa: F401
pytest.skip("pyarrow is installed, skipping missing dependency test")
except ImportError:
pass
export_path = tmp_path / "results.parquet"
result = _run_pipeline_cli(
"--source",
str(SAMPLE_VIDEO_PATH),
"--checkpoint",
str(compatible_checkpoint_path),
"--config",
str(CONFIG_PATH),
"--device",
_device_for_runtime(),
"--yolo-model",
str(YOLO_MODEL_PATH),
"--window",
"10",
"--stride",
"10",
"--result-export-path",
str(export_path),
"--result-export-format",
"parquet",
"--max-frames",
"30",
timeout_seconds=180,
)
# Should fail with RuntimeError about pyarrow
assert result.returncode == 1
assert "parquet" in result.stderr.lower() or "pyarrow" in result.stderr.lower()
def test_pipeline_cli_silhouette_visualization(
compatible_checkpoint_path: Path,
tmp_path: Path,
) -> None:
"""Test that silhouette visualization creates PNG files."""
_require_integration_assets()
visualize_dir = tmp_path / "silhouette_viz"
result = _run_pipeline_cli(
"--source",
str(SAMPLE_VIDEO_PATH),
"--checkpoint",
str(compatible_checkpoint_path),
"--config",
str(CONFIG_PATH),
"--device",
_device_for_runtime(),
"--yolo-model",
str(YOLO_MODEL_PATH),
"--window",
"10",
"--stride",
"10",
"--silhouette-visualize-dir",
str(visualize_dir),
"--max-frames",
"30",
timeout_seconds=180,
)
assert result.returncode == 0, (
f"Expected exit code 0, got {result.returncode}. stderr:\n{result.stderr}"
)
# Verify visualization directory exists and contains PNG files
assert visualize_dir.is_dir(), f"Visualization directory not found: {visualize_dir}"
png_files = list(visualize_dir.glob("*.png"))
assert len(png_files) > 0, "Expected at least one PNG visualization file"
# Verify filenames contain frame and track info
for png_file in png_files:
assert "silhouette_frame" in png_file.name
assert "_track" in png_file.name
def test_pipeline_cli_preprocess_only_with_visualization(
compatible_checkpoint_path: Path,
tmp_path: Path,
) -> None:
"""Test preprocess-only mode with both export and visualization."""
_require_integration_assets()
export_path = tmp_path / "silhouettes.pkl"
visualize_dir = tmp_path / "silhouette_viz"
result = _run_pipeline_cli(
"--source",
str(SAMPLE_VIDEO_PATH),
"--checkpoint",
str(compatible_checkpoint_path),
"--config",
str(CONFIG_PATH),
"--device",
_device_for_runtime(),
"--yolo-model",
str(YOLO_MODEL_PATH),
"--preprocess-only",
"--silhouette-export-path",
str(export_path),
"--silhouette-visualize-dir",
str(visualize_dir),
"--max-frames",
"30",
timeout_seconds=180,
)
assert result.returncode == 0, (
f"Expected exit code 0, got {result.returncode}. stderr:\n{result.stderr}"
)
# Verify export file exists
assert export_path.is_file(), f"Export file not found: {export_path}"
# Verify visualization files exist
assert visualize_dir.is_dir(), f"Visualization directory not found: {visualize_dir}"
png_files = list(visualize_dir.glob("*.png"))
assert len(png_files) > 0, "Expected at least one PNG visualization file"
# Load and verify pickle export
with open(export_path, "rb") as f:
silhouettes = pickle.load(f)
assert isinstance(silhouettes, list)
assert len(silhouettes) > 0
# Number of exported silhouettes should match number of PNG files
assert len(silhouettes) == len(png_files), (
f"Mismatch: {len(silhouettes)} silhouettes exported but {len(png_files)} PNG files created"
)