pulls a list of users from a google distro list

google-group-list-users.py

from __future__ import print_function
import pickle
import os.path
from googleapiclient.discovery import build
from google_auth_oauthlib.flow import InstalledAppFlow
from google.auth.transport.requests import Request
import requests
import sys


### command line args: python google-group-list-users.py [email protected]

groupid = sys.argv[1]
groupid = '{}'.format(groupid)

SCOPES = ['https://www.googleapis.com/auth/admin.directory.group']

def main():

    creds = None
    if os.path.exists('token.pickle'):
        with open('token.pickle', 'rb') as token:
            creds = pickle.load(token)
    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(
                'credentials.json', SCOPES)
            creds = flow.run_local_server(port=0)
        with open('token.pickle', 'wb') as token:
            pickle.dump(creds, token)

    service = build('admin', 'directory_v1', credentials=creds)
    
    results = service.members().list(groupKey=groupid, maxResults=200).execute()
    members = results.get('members')
    for member in members:
        print(member.get('email'))

if __name__ == '__main__':
    main()