open source PHP shopping cart LIBRARY? [closed]

Question

I am looking for a good PHP shopping cart LIBRARY.

My definition of GOOD means:

• well designed code (preferably documented)
• supports multiple payment gateways
• active community
• preferable POST beta version or version 1.0.0 (i.e. it is used in production systems)

I stress the word library, because most of the items turning up in my Google searches are fully fledged systems/applications - with user interfaces and templating etc.

I simply want the bare components (I only want the backend components/ NO frontend/UI parts).

Is anyone out there aware of such a PURE shopping cart LIBRARY (as described above)?

Failing that, is there an OS shopping cart 'system' out there that is designed in a loosely coupled manner, so as to make 'ripping out' the front end components relatively easy?. With all of the systems I have seen so far, the UI is tightly coupled with the backend, and it is impossible (with reasonable amount of effort), to separate between the F/E and the B/E.

So to summarize, my questions are:

1. Is anyone aware of an OS shopping cart LIBRARY (no GUI) - preferably PHP (but I can work with Python if need be)
2. If no pure LIBRARY solution exists, can someone recommend a well written (i.e. losely coupled) system that allows me to remove the UI from the 'system' (so I am left with the PURE library)?

Answer 1

Magento Commerce is well architected and uses an MVC pattern that would make it relatively straight forward to rip out the template/views. The controllers do have embedded redirect logic, but the model layer is quite independent. Definitely worth a look.