Read gmail using python

Read gmail using python

# Read gmail using python

from googleapiclient.discovery import build	
from httplib2 import Http	
from oauth2client import file, client, tools	
from oauth2client.tools import argparser	
import base64	

SCOPES = 'https://www.googleapis.com/auth/gmail.readonly'	
args = argparser.parse_args()	
args.noauth_local_webserver = True	


def main(mime_type='text/html', max_results=1, **kwargs):	
    store = file.Storage('token.json')	
    credentials = None	
    query = 'in:inbox -in:chats'	
    to = kwargs.get('to')	
    frm = kwargs.get('frm')	
    subject = kwargs.get('subject')	
    search_query = kwargs.get('searchQuery')	
    if to:	
        query += ' to:(' + to + ')'	

    if frm:	
        query += ' from:(' + frm + ')'	

    if subject:	
        query += ' subject:' + kwargs.get('subject')	

    if search_query:	
        query += ' ' + search_query	

    print(query)	

    try:	
        credentials = store.get()	
    except:	
        print('Working with flow-based credentials instantiation')	

    if not credentials or credentials.invalid:	
        flow = client.flow_from_clientsecrets('credentials.json', SCOPES)	
        credentials = tools.run_flow(flow, store)	

    service = build('gmail', 'v1', http=credentials.authorize(Http()))	

    # Call the Gmail API to fetch INBOX	
    results = service.users().messages().list(	
        userId='me',	
        labelIds=['INBOX'],	
        q=query,	
        maxResults=max_results	
    ).execute()	
    messages = results.get('messages', [])	

    if not messages:	
        print("No messages found.")	
    else:	
        print("Message snippets:")	
        for message in messages:	
            msg = service.users().messages().get(userId='me', id=message['id']).execute()	

            # In case of email without attachment	
            if not msg['payload']["mimeType"] == "multipart/alternative":	
                email = next(m for m in msg['payload']['parts'] if m['mimeType'] == "multipart/alternative")	
                content = email['parts']	
            else:	
                content = msg['payload']['parts']	

            final_message = next(m for m in content if m['mimeType'] == mime_type)	
            print(final_message)	
            print(message['id'])	
            if final_message:	
                msg_str = base64.urlsafe_b64decode(final_message["body"]["data"].encode('ASCII'))	
                print(msg_str)	


if __name__ == '__main__':	
    main(mime_type='text/plain', to='general.automation@domain.com', maxResults=2)