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Package from the ecs suite, that provide a cart object for ecommerce projects

Project description


This is a package from the ecs suite, that provide a cart object for ecommerce projects.

In standart use it provide classical functionnalities:
  • Add/delete product from cart

  • Price manipulation and amount (with vat)

  • Weight amount

  • Reductions (in % or value)

But this package also provide rules system that add the posibility to improve his functionnalities (like connection with database, logistic function, …)

Read docs/source/module/README.txt or inline

Ecs cart Changelog

0.4 (January 13, 2008)

  • fix small bugs

  • improve documentation (logo + spec doc)

O.3 (December 15, 2008)

  • fix docstest

  • fix bug in rules config

O.2 (December 10, 2008)

  • use now sphinx for doc and nose for testing

  • re-develop the rules config with classical python conf files and paste for import modules

0.1 (October 22, 2008)

  • project creation


ecscart is a module who can manage the caddy of an user. This module save the product reference, price and quantity.

The caddy has two states, valided or not valided. The caddy has the possibility to compute rules for the total amount, like reductions, taxes, delivery prices.

The computed caddy can be published as many format, like xml, json.

Finally the caddy will be persistant in database, to ensure data integrity during a crash.

Launching the cart

A few initialisation procedure is mandatory to instatiate the Cart class. ;;

>>> from ecs.cart import Cart
>>> user_id = 'Doriane'
>>> cart = Cart(user_id)

Adding a product in the caddy

To add a product into the caddy we must use the add_product method. The first parameters is the reference of the product, the second the price, and the optional quantity parameters.

>>> cart.add_product('brosse a cheveux', 12.4)
>>> cart.add_product('lime a ongle', price=3.32, quantity=5)

Set quantity of the product

You can eventualy change the quantity of a product in a cart by the set_quantity method.

>>> cart.get_product_property('brosse a cheveux', 'quantity')
>>> cart.set_quantity('brosse a cheveux', 2)
>>> cart.get_product_property('brosse a cheveux', 'quantity')

Delete a product

You can delete a product by setting his quantity to 0, or most symply with the del_product method.

>>> cart.add_product('fond de teint', 19)
>>> cart.add_product('mascara', 12)
>>> cart.set_quantity('fond de teint', 0)
>>> cart.del_product('mascara')
>>> cart.get_product_property('fond de teint', 'price')
Traceback (most recent call last):
ValueError: Invalid reference fond de teint
>>> cart.get_product_property('mascara', 'quantity')
Traceback (most recent call last):
ValueError: Invalid reference mascara

Getting the amount of the caddy

It’s symply to have the amount of the caddy using the get_cart_amount

>>> amount = cart.get_cart_amount()
>>> round(amount)

Add reductions

You could add reduction on the cart.

>>> cart.add_reduction(5)
>>> amount = cart.get_cart_amount()
>>> round(amount)

You could delete the reduction

Confirm the caddy

A flag is provided to manage is the caddy is valided. The validation method is also provided validation can take a parameters wich will be the flag value:

>>> cart.validation_statut
>>> cart.validation()
>>> cart.validation_statut
>>> cart.validation('Not yet')
>>> cart.validation_statut
'Not yet'

Removing a caddy for an user

To delete the caddy from the persistence you must use the remove method

>>> cart.remove()
>>> cart.products

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