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export_pdf.py
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export_pdf.py
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"""
Copyright 2022 Google LLC
Licensed 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.
"""
# [START drive_export_pdf]
import io
import google.auth
from googleapiclient.discovery import build
from googleapiclient.errors import HttpError
from googleapiclient.http import MediaIoBaseDownload
def export_pdf(real_file_id):
"""Download a Document file in PDF format.
Args:
real_file_id : file ID of any workspace document format file
Returns : IO object with location
Load pre-authorized user credentials from the environment.
TODO(developer) - See https://developers.google.com/identity
for guides on implementing OAuth2 for the application.
"""
creds, _ = google.auth.default()
try:
# create drive api client
service = build("drive", "v3", credentials=creds)
file_id = real_file_id
# pylint: disable=maybe-no-member
request = service.files().export_media(
fileId=file_id, mimeType="application/pdf"
)
file = io.BytesIO()
downloader = MediaIoBaseDownload(file, request)
done = False
while done is False:
status, done = downloader.next_chunk()
print(f"Download {int(status.progress() * 100)}.")
except HttpError as error:
print(f"An error occurred: {error}")
file = None
return file.getvalue()
if __name__ == "__main__":
export_pdf(real_file_id="1zbp8wAyuImX91Jt9mI-CAX_1TqkBLDEDcr2WeXBbKUY")
# [END drive_export_pdf]