Source code for airflow.providers.postgres.datasets.postgres

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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
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from __future__ import annotations

from typing import TYPE_CHECKING

if TYPE_CHECKING:
    from urllib.parse import SplitResult



[docs]def sanitize_uri(uri: SplitResult) -> SplitResult:
    if not uri.netloc:
        raise ValueError("URI format postgres:// must contain a host")
    if uri.port is None:
        host = uri.netloc.rstrip(":")
        uri = uri._replace(netloc=f"{host}:5432")
    path_parts = uri.path.split("/")
    if len(path_parts) != 4:  # Leading slash, database, schema, and table names.
        raise ValueError("URI format postgres:// must contain database, schema, and table names")
    if not path_parts[2]:
        path_parts[2] = "default"
    return uri._replace(scheme="postgres", path="/".join(path_parts))

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