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gmail_auth.py
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gmail_auth.py
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import os
from google.api_core import exceptions as google_exceptions
from google_auth_oauthlib.flow import InstalledAppFlow
from google.oauth2.credentials import Credentials
SCOPES = ['https://www.googleapis.com/auth/gmail.send']
CREDENTIALS_FILE = 'credentials.json'
TOKEN_FILE = 'token.json'
def get_credentials():
if os.path.exists(TOKEN_FILE):
try:
creds = Credentials.from_authorized_user_file(TOKEN_FILE, SCOPES)
except google_exceptions.RefreshError as e:
if e.args[0] == 'Timed out fetching refresh token':
return refresh_and_store_credentials()
else:
raise e
return creds
else:
return refresh_and_store_credentials()
def refresh_and_store_credentials():
flow = InstalledAppFlow.from_client_secrets_file(CREDENTIALS_FILE, SCOPES)
creds = flow.run_local_server(port=5000)
with open(TOKEN_FILE, 'w') as token:
token.write(creds.to_json())
return creds
if __name__ == '__main__':
credentials = get_credentials()
print('Credentials obtained successfully!')