Source code for airflow.providers.oracle.assets.oracle
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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 oracle:// must contain a host")
if uri.port is None:
host = uri.netloc.rstrip(":")
uri = uri._replace(netloc=f"{host}:1521")
if len(uri.path.split("/")) != 4: # Leading slash, service name, schema, and table names.
raise ValueError("URI format oracle:// must contain service name, schema, and table names")
return uri
[docs]
def create_asset(
*,
host: str,
port: int = 1521,
service_name: str,
schema: str,
table: str,
extra: dict | None = None,
) -> Asset:
return Asset(uri=f"oracle://{host}:{port}/{service_name}/{schema}/{table}", 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 urllib.parse import urlsplit
from airflow.providers.common.compat.openlineage.facet import Dataset as OpenLineageDataset
parsed = urlsplit(asset.uri)
_, service_name, schema, table = parsed.path.split(
"/"
) # Leading slash, service_name, schema, and table names.
return OpenLineageDataset(namespace=f"oracle://{parsed.netloc}", name=f"{service_name}.{schema}.{table}")