Run this DAG

1. Install Astronomer CLISkip if you already have the CLI

2. Initate the project:

3. Copy and paste the code below into a file in the

dags
directory.

4. Add the following to your requirements.txt file:

5. Run the DAG:

#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# 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
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import os
from airflow import models
from airflow.providers.google.cloud.transfers.gdrive_to_local import GoogleDriveToLocalOperator
from airflow.providers.google.suite.sensors.drive import GoogleDriveFileExistenceSensor
from airflow.utils.dates import days_ago
FOLDER_ID = os.environ.get("FILE_ID", "1234567890qwerty")
FILE_NAME = os.environ.get("FILE_NAME", "file.pdf")
OUTPUT_FILE = os.environ.get("OUTPUT_FILE", "out_file.pdf")
with models.DAG(
"example_gdrive_to_local_with_gdrive_sensor",
start_date=days_ago(1),
schedule_interval=None, # Override to match your needs
tags=["example"],
) as dag:
# [START detect_file]
detect_file = GoogleDriveFileExistenceSensor(
task_id="detect_file", folder_id=FOLDER_ID, file_name=FILE_NAME
)
# [END detect_file]
# [START download_from_gdrive_to_local]
download_from_gdrive_to_local = GoogleDriveToLocalOperator(
task_id="download_from_gdrive_to_local",
folder_id=FOLDER_ID,
file_name=FILE_NAME,
output_file=OUTPUT_FILE,
)
# [END download_from_gdrive_to_local]
detect_file >> download_from_gdrive_to_local