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资源说明：Sample code for an app that ranks tweets by relevance and serves them up to a mobile client
# THIS PROJECT IS NOW DEPRECATED This project is deprecated and will be removed in the near future. Delete your fork of this project and watch/fork [PayPal APIs Up and Running](https://github.com/ptwobrussell/PayPal-APIs-Up-and-Running) instead. [Appendix A](https://github.com/ptwobrussell/PayPal-APIs-Up-and-Running/tree/master/appa) provides a cleaner baseline Tweet Relevance project and each chapter integrates a different PayPal product with it. # Overview This GAE project provides sample code that demonstrates how to create a minimal web app that logins users with their Twitter account and displays only their most relevant tweets (as determined by a trivial algorithm that can easily be modified/extended) as part of a UX that is optimized for a mobile client. First-time visitors get to login free for a number of times and experience the app before they are requested to purchase additional logins to continue using the app. Mike Knapp's https://github.com/mikeknapp/AppEngine-OAuth-Library project is used to handle making OAuth requests to Twitter. Pat Coll's https://github.com/patcoll/paypal-python project is adapted to implement a (Mobile) Express Checkout flow using PayPal The application's primary UI is adapted from the final installment of SitePen's TweetView project at http://dojotoolkit.org/documentation/tutorials/1.6/mobile/tweetview/packaging/ and is intended to be delivered to a mobile display like an iPhone, although development works fine on a desktop browser like WebKit. The UI for the payflows is minimal. # Getting Started Follow these steps to get up and running: * Download this project's source code * Configure the source code as a Google App Engine project * Create a buyer/seller account in PayPal's developer sandbox * Create a Twitter account * Create a sample Twitter application * Copy config.template.py to config.py and fill in the PayPal API and Twitter API variables * Launch the project, and ideally access it through a mobile browser (or mobile browser simulator.) # Screenshot  Provided by: Zaffra, LLC - http://zaffra.com
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