Source code for airflow.providers.google.assets.gcs

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from __future__ import annotations

from typing import TYPE_CHECKING

from airflow.providers.google.cloud.hooks.gcs import _parse_gcs_url
from airflow.providers.google.version_compat import AIRFLOW_V_3_0_PLUS

if TYPE_CHECKING:
    from urllib.parse import SplitResult

    from airflow.providers.common.compat.assets import Asset
    from airflow.providers.common.compat.openlineage.facet import Dataset as OpenLineageDataset
else:
    try:
        from airflow.providers.common.compat.assets import Asset
    except ImportError:
        if AIRFLOW_V_3_0_PLUS:
            from airflow.sdk.definitions.asset import Asset
        else:
            # dataset is renamed to asset since Airflow 3.0
            from airflow.datasets import Dataset as Asset


[docs]def create_asset(*, bucket: str, key: str, extra: dict | None = None) -> Asset:
    return Asset(uri=f"gs://{bucket}/{key}", extra=extra)


[docs]def sanitize_uri(uri: SplitResult) -> SplitResult:
    if not uri.netloc:
        raise ValueError("URI format gs:// must contain a bucket name")
    return uri


[docs]def convert_asset_to_openlineage(asset: Asset, lineage_context) -> OpenLineageDataset:
    """Translate Asset with valid AIP-60 uri to OpenLineage with assistance from the hook."""
    from airflow.providers.common.compat.openlineage.facet import Dataset as OpenLineageDataset

    bucket, key = _parse_gcs_url(asset.uri)
    return OpenLineageDataset(namespace=f"gs://{bucket}", name=key if key else "/")