lars
c627142135
When no --out is given, predictions are written to a UUID-named parquet (/ceph central store for ceph inputs, sibling directory otherwise) and a YAML reference file is created next to the checkpoint recording the output path, dataset, checkpoint, and timestamp. Adds pyyaml as a core dependency and unit tests for the two new helper functions. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
132 lines
4.1 KiB
Python
132 lines
4.1 KiB
Python
import uuid
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import yaml
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from giant.cli import _CEPH_PREDICTIONS, _resolve_prediction_output, _write_prediction_ref
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# ---------------------------------------------------------------------------
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# _resolve_prediction_output
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# ---------------------------------------------------------------------------
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def test_non_ceph_path_goes_to_data_parent(tmp_path):
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data = tmp_path / "pools" / "pbwo4" / "full.manifest"
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out, dataset_path, pred_uuid = _resolve_prediction_output(data, None)
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assert out.parent == data.parent
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assert out.name == f"{pred_uuid}.parquet"
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assert dataset_path == data.resolve()
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def test_ceph_path_goes_to_central_store(tmp_path, monkeypatch):
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# Patch resolve() so /ceph/... exists on any machine running the tests.
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ceph_data = _CEPH_PREDICTIONS.parent / "pools" / "pbwo4" / "full.manifest"
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monkeypatch.setattr(
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"giant.cli.Path.resolve",
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lambda self: ceph_data if self == ceph_data else self.absolute(),
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)
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out, _, pred_uuid = _resolve_prediction_output(ceph_data, None)
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assert out.parent == _CEPH_PREDICTIONS
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assert out.name == f"{pred_uuid}.parquet"
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def test_explicit_out_is_used_as_is(tmp_path):
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data = tmp_path / "data.parquet"
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explicit = tmp_path / "my_output.parquet"
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out, _, _ = _resolve_prediction_output(data, explicit)
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assert out == explicit
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def test_uuid_is_valid(tmp_path):
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data = tmp_path / "data.parquet"
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_, _, pred_uuid = _resolve_prediction_output(data, None)
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parsed = uuid.UUID(pred_uuid)
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assert parsed.version == 4
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def test_each_call_produces_a_distinct_uuid(tmp_path):
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data = tmp_path / "data.parquet"
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_, _, uuid1 = _resolve_prediction_output(data, None)
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_, _, uuid2 = _resolve_prediction_output(data, None)
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assert uuid1 != uuid2
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def test_dataset_path_is_resolved(tmp_path):
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data = tmp_path / "data.parquet"
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_, dataset_path, _ = _resolve_prediction_output(data, None)
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assert dataset_path.is_absolute()
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# ---------------------------------------------------------------------------
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# _write_prediction_ref
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# ---------------------------------------------------------------------------
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def test_ref_file_created_in_checkpoint_dir(tmp_path):
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ckpt_dir = tmp_path / "checkpoints" / "run1"
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ckpt_dir.mkdir(parents=True)
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checkpoint = ckpt_dir / "best.pt"
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checkpoint.touch()
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out = tmp_path / "predictions" / "abc.parquet"
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dataset = tmp_path / "pools" / "pbwo4" / "full.manifest"
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pred_uuid = str(uuid.uuid4())
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ref_path = _write_prediction_ref(checkpoint, pred_uuid, out, dataset)
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assert ref_path == ckpt_dir / f"{pred_uuid}.yaml"
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assert ref_path.exists()
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def test_ref_yaml_contains_expected_fields(tmp_path):
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ckpt_dir = tmp_path / "checkpoints"
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ckpt_dir.mkdir()
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checkpoint = ckpt_dir / "best.pt"
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checkpoint.touch()
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out = tmp_path / "pred.parquet"
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dataset = tmp_path / "full.manifest"
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pred_uuid = str(uuid.uuid4())
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ref_path = _write_prediction_ref(checkpoint, pred_uuid, out, dataset)
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data = yaml.safe_load(ref_path.read_text())
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assert data["prediction_id"] == pred_uuid
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assert data["output"] == str(out)
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assert data["dataset"] == str(dataset)
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assert data["checkpoint"] == str(checkpoint.resolve())
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assert "timestamp" in data
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def test_ref_timestamp_is_iso_format(tmp_path):
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from datetime import datetime
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ckpt_dir = tmp_path / "checkpoints"
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ckpt_dir.mkdir()
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checkpoint = ckpt_dir / "best.pt"
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checkpoint.touch()
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pred_uuid = str(uuid.uuid4())
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ref_path = _write_prediction_ref(checkpoint, pred_uuid, tmp_path / "p.parquet", tmp_path / "d")
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data = yaml.safe_load(ref_path.read_text())
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# Must parse without error and be timezone-aware (UTC).
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ts = datetime.fromisoformat(data["timestamp"])
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assert ts.tzinfo is not None
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def test_ref_checkpoint_path_is_absolute(tmp_path):
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ckpt_dir = tmp_path / "checkpoints"
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ckpt_dir.mkdir()
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checkpoint = ckpt_dir / "best.pt"
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checkpoint.touch()
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pred_uuid = str(uuid.uuid4())
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ref_path = _write_prediction_ref(checkpoint, pred_uuid, tmp_path / "p.parquet", tmp_path / "d")
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data = yaml.safe_load(ref_path.read_text())
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assert data["checkpoint"].startswith("/")
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