目前我有这个:
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
SCOPES = ['https://www.googleapis.com/auth/gmail.readonly']
def main():
"""Shows basic usage of the Gmail API.
Lists the user's Gmail labels.
"""
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('gmail', 'v1', credentials=creds)
resultsMessages = service.users().messages().list(userId='me', labelIds=['INBOX']).execute()
messages = resultsMessages.get('messages', [])
f = open("output.txt", "a")
message_count = int(input("How many messages do you want to write?"))
if not messages:
print("no messages found")
else:
print("messages:")
for i, message in enumerate(messages[:message_count]):
f.write("message "+ str(i))
msg = service.users().messages().get(userId='me', id=message['id']).execute()
headers = msg["payload"]["headers"]
subject = [i['value'] for i in headers if i["name"] == "Subject"]
f.write("subject: "+subject[0])
f.write("\n")
f.close()
if __name__ == '__main__':
main()
msg = service.users().messages().get(userId='me', id=message['id']).execute()