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Google API OAuth 2.0 Authorization Sample in Python
# -*- coding: utf-8 -*-
"""
This scripts reqire a third party module 'requests'.
You can get it from PyPI, i.e. you can install it using
easy_install or pip.
http://docs.python-requests.org/en/v0.10.4/
Original source code is written by shin1ogawa, which is in Java.
https://gist.github.com/1899391
Materials for this session are avaliable in following URLs:
- Hands on material: http://goo.gl/oAhzI
- Google APIs Console: https://code.google.com/apis/console/
- Google APIs Explorer: http://code.google.com/apis/explorer/
- OAuth 2.0 Playground: https://code.google.com/oauthplayground/
"""
__author__ = "@ymotongpoo"
import requests
from urllib import urlencode
import json
from subprocess import Popen
client_id = "222222222222.apps.googleusercontent.com"
client_secret = "xxxxxxxxxxxxxxxx_YYYYYYY"
redirect_uri = "urn:ietf:wg:oauth:2.0:oob"
base_url = r"https://accounts.google.com/o/oauth2/"
authorization_code = ""
access_token = ""
"""
Retrieving authorization_code from authorization API.
"""
def retrieve_authorization_code():
authorization_code_req = {
"response_type": "code",
"client_id": client_id,
"redirect_uri": redirect_uri,
"scope": (r"https://www.googleapis.com/auth/userinfo.profile" +
r" https://www.googleapis.com/auth/userinfo.email" +
r" https://www.googleapis.com/auth/calendar")
}
r = requests.get(base_url + "auth?%s" % urlencode(authorization_code_req),
allow_redirects=False)
print "下記URLを開いて、アクセス承認後に表示された文字列を入力してください。"
url = r.headers.get('location')
Popen(["open", url])
authorization_code = raw_input("\nAuthorization Code >>> ")
return authorization_code
"""
Retrieving access_token and refresh_token from Token API.
"""
def retrieve_tokens(authorization_code):
access_token_req = {
"code" : authorization_code,
"client_id" : client_id,
"client_secret" : client_secret,
"redirect_uri" : redirect_uri,
"grant_type": "authorization_code",
}
content_length=len(urlencode(access_token_req))
access_token_req['content-length'] = str(content_length)
r = requests.post(base_url + "token", data=access_token_req)
data = json.loads(r.text)
return data
"""
Sample code of fetching user information from userinfo API.
"""
def get_userinfo():
global authorization_code
authorization_code = retrieve_authorization_code()
tokens = retrieve_tokens(authorization_code)
access_token = tokens['access_token']
authorization_header = {"Authorization": "OAuth %s" % access_token}
r = requests.get("https://www.googleapis.com/oauth2/v2/userinfo",
headers=authorization_header)
print r.text
def get_calendar_list():
global authorization_code
global access_token
authorization_code = retrieve_authorization_code()
tokens = retrieve_tokens(authorization_code)
access_token = tokens['access_token']
authorization_header = {"Authorization": "OAuth %s" % access_token}
r = requests.get("https://www.googleapis.com/calendar/v3/users/me/calendarList",
headers=authorization_header)
return r.text
def _get_start_end_time(event):
try:
if event['start'].has_key('date'):
start = event['start']['date']
elif event['start'].has_key('dateTime'):
start = event['start']['dateTime']
else:
start = 'N/A'
if event['end'].has_key('date'):
end = event['end']['date']
elif event['end'].has_key('dateTime'):
end = event['end']['dateTime']
else:
end = 'N/A'
return start, end
except:
return event['etag'], event['status']
def get_events_list():
global authorization_code
global access_token
data = json.loads(get_calendar_list())
for calendar in data['items']:
calendar_id = calendar['id']
print calendar['summary']
if authorization_code == "" or access_token == "":
authorization_code = retrieve_authorization_code()
tokens = retrieve_tokens(authorization_code)
access_token = tokens['access_token']
authorization_header = {"Authorization": "OAuth %s" % access_token}
url = ("https://www.googleapis.com/calendar/v3/calendars/%s/events?key=%s" %
(quote_plus(calendar_id), quote_plus(api_key)))
r = requests.get(url, headers=authorization_header)
events = json.loads(r.text)
for event in events['items']:
print event.get('summary', '(Event title not set)')
if event['status'] != 'cancelled':
start, end = _get_start_end_time(event)
print " start : ", start, " end : ", end
def main():
get_events_list()
if __name__ == '__main__':
main()
@SalvaJ
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SalvaJ commented Mar 18, 2014

It supports Python3?

@arunarajput
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arunarajput commented Jul 19, 2017

I'm getting this issue Authorization Code >>> Couldn't get a file descriptor referring to the console how to solve this problem?

@hangloo-akshay
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hangloo-akshay commented Jun 25, 2019

If you are using Python 3 -> replace raw_input("\nAuthorization Code >>> ") by input("\nAuthorization Code >>> ")

@mengfeiz
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mengfeiz commented Jul 27, 2021

I'm getting this issue Authorization Code >>> Couldn't get a file descriptor referring to the console how to solve this problem?

get the same error

@dlazesz
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dlazesz commented Jun 8, 2022

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