Does the Gmail API support using OAuth Service Accounts?

Question

I am trying to use the Gmail API with the Python Google Client library.

I have created a Service Account credential through the Google Developer Console.

I a

Answer 1

Try using:

credentials = SignedJwtAssertionCredentials(client_email, private_key,
  'https://www.googleapis.com/auth/gmail.readonly', sub='user@domain.com')

where user@domain.com is the user you wish to impersonate.