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

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from __future__ import annotations

from typing import TYPE_CHECKING

from airflow.providers.common.compat.assets import Asset

if TYPE_CHECKING:
    from urllib.parse import SplitResult

    from airflow.providers.common.compat.openlineage.facet import Dataset as OpenLineageDataset



[docs]
def sanitize_uri(uri: SplitResult) -> SplitResult:
    if not uri.netloc:
        raise ValueError("URI format bigquery:// must contain a project ID")
    if len(uri.path.split("/")) != 3:  # Leading slash, database name, and table name.
        raise ValueError("URI format bigquery:// must contain dataset and table names")
    return uri




[docs]
def create_asset(*, project_id: str, dataset_id: str, table_id: str, extra: dict | None = None) -> Asset:
    return Asset(uri=f"bigquery://{project_id}/{dataset_id}/{table_id}", extra=extra)




[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

    # Expecting valid URI in format: "bigquery://{project_id}/{dataset_id}/{table_id}"
    project, dataset, table = asset.uri.split("/")[-3:]
    return OpenLineageDataset(namespace="bigquery", name=f"{project}.{dataset}.{table}")