Created
July 17, 2020 20:07
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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 | |
# If modifying these scopes, delete the file token.pickle. | |
SCOPES = ['https://mail.google.com/'] | |
def main(): | |
"""Shows basic usage of the Gmail API. | |
Lists the user's Gmail labels. | |
""" | |
creds = None | |
# The file token.pickle stores the user's access and refresh tokens, and is | |
# created automatically when the authorization flow completes for the first | |
# time. | |
if os.path.exists('token.pickle'): | |
with open('token.pickle', 'rb') as token: | |
creds = pickle.load(token) | |
# If there are no (valid) credentials available, let the user log in. | |
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) | |
# Save the credentials for the next run | |
with open('token.pickle', 'wb') as token: | |
pickle.dump(creds, token) | |
service = build('gmail', 'v1', credentials=creds) | |
# Call the Gmail API | |
results = service.users().labels().list(userId='me').execute() | |
labels = results.get('labels', []) | |
if not labels: | |
print('No labels found.') | |
else: | |
print('Labels:') | |
for label in labels: | |
print(label['name']) | |
if __name__ == '__main__': | |
main() | |
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