Financial Tools

This tutorial includes working code for processing credit card payments through Authorize.Net's Advanced Integration Method (AIM) API. It demonstrates how to process sales and other transactions as well as how to handle successful and declined transactions as well as processing errors....
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TCLink is an LGPL'd thin client API which can run credit card transactions credit card transactions over TCP/IP. Features include: An easy-to-use interface; Encryption using SSL and trusted certificates; Fast transactions times (average about 1.2 secondse nd-to-end); and Fail-over to geographically distributed servers for extreme reliability. Full source code is included, as well as developer documentation and an example Python script....
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viewportfolio is a python program that allows you to track the performance of a stock portfolio you establish in a data file. It pulls quote information from Yahoo! Finance and relies on the Quote.py python module written by Jonathan Corbet (included).