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"""
Example DAG using GCSToPrestoOperator.
"""

from __future__ import annotations

import os
from datetime import datetime

from airflow import models
from airflow.providers.presto.transfers.gcs_to_presto import GCSToPrestoOperator

BUCKET = os.environ.get("GCP_GCS_BUCKET", "test28397yeo")
PATH_TO_FILE = os.environ.get("GCP_PATH", "path/to/file")
PRESTO_TABLE = os.environ.get("PRESTO_TABLE", "test_table")
ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
DAG_ID = "example_gcs_to_presto"

with models.DAG(
    dag_id=DAG_ID,
    schedule="@once",  # Override to match your needs
    start_date=datetime(2022, 1, 1),
    catchup=False,
    tags=["example"],
) as dag:
    # [START gcs_csv_to_presto_table]
    gcs_csv_to_presto_table = GCSToPrestoOperator(
        task_id="gcs_csv_to_presto_table",
        source_bucket=BUCKET,
        source_object=PATH_TO_FILE,
        presto_table=PRESTO_TABLE,
    )
    # [END gcs_csv_to_presto_table]


from tests_common.test_utils.system_tests import get_test_run  # noqa: E402

# Needed to run the example DAG with pytest (see: contributing-docs/testing/system_tests.rst)
test_run = get_test_run(dag)
