Connecting To Twitter & Google+ Using Python

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Connecting To Twitter & Google+ Using Python +Wesley Chun

1 Connecting To Twitter & Google+ Using Python +Wesley corepython.com OSCON, Jul 2012 I Teach (SF, Aug 1-3) 1

2 I Write (mainly Core Python books) I Code Google) 2

3 About You and This Talk Assumes some Python knowledge/experience Will not cover language basics here Today focused on social media Related code examples Core Python Applications Programming Twitter: chapters 11 and 13 Google+: chapter 15 Twitter De facto microblogging platform Individual 140-char limited messages Delegated Authentication 3

4 Google+ Platform Social for all Google products Social for your apps too Plugins (+1s, Badges, etc.) Hangouts API Mobile Platform History API REST API Twitter Google+ Developer sites 4

5 Authentication vs. Authorization Authentication User identities (login+passwd) OpenID Authorization (3rd-Party) Data access OAuth *Twitter Authentication Identity Provider/server "Sign in with Twitter" Delegated authentication Sites do auth opt-out, delegate to Twitter Closed system 5

6 *Google+ Authentication Identity Provider/server Google Accounts Federated authentication Decentralized, closer to "Internet SSO" Federation of identity providers Google, Yahoo!, AOL, WordPress, etc. es/openid Getting started on Twitter Create an app Keep an eye out for 4 values below Need them later CONSUMER_KEY CONSUMER_SECRET ACCESS_TOKEN ACCESS_TOKEN_SECRET 6

7 Twitter Tools You Need Tweepy (2.x) pip/easy_install tweepy Twython (2.x & 3.x) pip/easy_install twython Or via source (python setup.py install) twe_u.py twy_u.py Unauthorized (search) 7

8 OAuth2 Data access Without login+passwd Similar to "valet key" Pseudo-authentication *Authorization Assumes keyholder owner *OAuth2 generic flow App obtains client/consumer key & secret App asks server for request token & authorization URL Client visits authorization URL & authorizes access Authorization returns back to app via callback App asks server for access token App accesses data using access token Access tokens typically timeout App can use refresh token to get new access token Comment: generally non-trivial unless... Note: all requests are signed (SHA1 hash typical) 8

9 *Simplified OAuth2 with Twitter When accessing your own account Profile, stream, etc. "Permanent" access tokens provided No need to use request or refresh tokens (select your app) twe_a.py twy_a.py Authorized (user info) 9

10 Getting started on Google+ Create an app Enable Google+ API Access Via "Services" tab Keep an eye out for the 3 values below Via "API Access" tab API_KEY CLIENT_ID CLIENT_SECRET Google+ Tools You Need Google APIs Client Library for Python (2.x) pip/easy_install google-api-python-client 10

11 plus_u.py Unauthorized (search) *Simplified OAuth2 with Google Google APIs Client for Python Builds uniform API "access point" (service) Includes oauth2client library Allows access to multiple Google APIs OAuth2 11

12 plus_a.py Authorized (user info) Next steps Integrate snippets into your app Full OAuth2 flow (Twitter & Google) Also see Google+ Python Starter code Access other Google APIs 12

13 Also see Chps 11, 13, 15 Python does social! Conclusion Vendor-provided or 3rd-party libraries Help simplify data authorization Download code at corepython.com Let's you integrate into CLI, web, mobile apps easily 13

14 Thank you! Q&A +Wesley Chun ( plus.ly/wescpy corepython.com New or classic book... swing by booth! Python course in SF: Aug 1-3 FINIS 14

Identity and Data Access: OpenID & OAuth

Feedback: http://goo.gl/dpubh #io2011 #TechTalk Identity and Data Access: OpenID & OAuth Ryan Boyd @ryguyrg https://profiles.google.com/ryanboyd May 11th 2011 Agenda Feedback: http://goo.gl/dpubh #io2011