# google_apis.py
import os
from google_auth_oauthlib.flow import InstalledAppFlow
from googleapiclient.discovery import build
from google.oauth2.credentials import Credentials
from google.auth.transport.requests import Request
def create_service(client_secret_file, api_name, api_version, *scopes, prefix=''):
CLIENT_SECRET_FILE = client_secret_file
API_SERVICE_NAME = api_name
API_VERSION = api_version
SCOPES = [scope for scope in scopes[0]]
creds = None
working_dir = os.getcwd()
token_dir = 'token_files'
# Include the prefix (email identifier) in the token file name
token_file = f'token_{API_SERVICE_NAME}_{API_VERSION}{prefix}.json'
# Check if the token directory exists, create if not
if not os.path.exists(os.path.join(working_dir, token_dir)):
os.mkdir(os.path.join(working_dir, token_dir))
# Load existing credentials if available
if os.path.exists(os.path.join(working_dir, token_dir, token_file)):
creds = Credentials.from_authorized_user_file(
os.path.join(working_dir, token_dir, token_file), SCOPES
)
# If no valid credentials, initiate the authentication flow
if not creds or not creds.valid:
if creds and creds.expired and creds.refresh_token:
creds.refresh(Request())
else:
flow = InstalledAppFlow.from_client_secrets_file(CLIENT_SECRET_FILE, SCOPES)
creds = flow.run_local_server(port=0)
# Save the credentials for future use
with open(os.path.join(working_dir, token_dir, token_file), 'w') as token:
token.write(creds.to_json())
try:
service = build(API_SERVICE_NAME, API_VERSION, credentials=creds, static_discovery=False)
print(f'{API_SERVICE_NAME} {API_VERSION} service created successfully for {prefix}')
return service
except Exception as e:
print(e)
print(f'Failed to create service instance for {API_SERVICE_NAME}')
# Remove corrupted token file if exists
if os.path.exists(os.path.join(working_dir, token_dir, token_file)):
os.remove(os.path.join(working_dir, token_dir, token_file))
return None