docusort-api / backend /drive_test.py
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# File: backend/drive_test.py
import os.path
from google.auth.transport.requests import Request
from google.oauth2.credentials import Credentials
from google_auth_oauthlib.flow import InstalledAppFlow
from googleapiclient.discovery import build
# If modifying these scopes, delete the file token.json.
# We ONLY ask for read-only access to metadata (Project constraint: No content storage)
SCOPES = ["https://www.googleapis.com/auth/drive.metadata.readonly"]
def connect_to_drive():
"""Shows basic usage of the Drive v3 API."""
creds = None
# The file token.json stores the user's access and refresh tokens, and is
# created automatically when the authorization flow completes for the first time.
if os.path.exists("backend/token.json"):
creds = Credentials.from_authorized_user_file("backend/token.json", SCOPES)
# If there are no (valid) credentials available, let the user log in.
if not creds or not creds.valid:
if creds and creds.expired and creds.refresh_token:
print("Refreshing Expired Token...")
creds.refresh(Request())
else:
print("Initiating New Login...")
# We look for credentials.json in the backend folder
flow = InstalledAppFlow.from_client_secrets_file(
"backend/credentials.json", SCOPES
)
# This opens a local browser for you to sign in
creds = flow.run_local_server(port=0)
# Save the credentials for the next run
with open("backend/token.json", "w") as token:
token.write(creds.to_json())
try:
service = build("drive", "v3", credentials=creds)
# Call the Drive v3 API
print("\nSuccessfully connected! Fetching top 10 files...\n")
# We only ask for specific fields: id, name, mimeType (file type)
results = (
service.files()
.list(pageSize=10, fields="nextPageToken, files(id, name, mimeType)")
.execute()
)
items = results.get("files", [])
if not items:
print("No files found.")
return
print(f"{'FILE NAME':<40} | {'TYPE'}")
print("-" * 60)
for item in items:
# Simple truncation for display
name = (item["name"][:35] + '..') if len(item["name"]) > 35 else item["name"]
print(f"{name:<40} | {item['mimeType']}")
except Exception as error:
print(f"An error occurred: {error}")
if __name__ == "__main__":
# Ensure we are running from the root folder context roughly
if not os.path.exists("backend/credentials.json"):
print("ERROR: backend/credentials.json not found!")
print("Please make sure you are running this from the DocuSort root folder.")
else:
connect_to_drive()