Product Module
##############
The Product module defines the following models: Category of Unit of
Measure, Unit of Measure, Product Template, Product and Product
Category.
Category of Unit of Measure
***************************
A Category of Unit of Measure is simply defined by a name.
Unit of Measure
***************
A Unit of Measure is defined by:
- Name.
- Symbol.
- UOM category.
- Rate and a Factor (the later is the inverse of the former).
- Rounding Precision and Display Digits, used to round and display
quantities expressed in the given UOM.
- Active, allow to disable a UOM.
Product category
****************
The Product Category Model is just composed of a name. Product
Categories are organised in a tree structure.
Product Template and Product
****************************
The product concept in Tryton is composed of two models: Product
Template and Product.
The Product Template model contains the following fields:
- Name.
- Type, whose value can be *Goods*, *Assets*, *Service*.
- Category.
- List Price, the default sale price expressed in the List Price UOM.
product.
- List Price UOM.
- Cost Price, the cost for one unit of this product expressed in the
Cost Price UOM.
- Cost Price UOM.
- Cost Price Method, which can be *Fixed* or *Average*. Defines how
the cost price should be updated. *Fixed* means that the cost price
stay unchanged. *Average* means that the cost price is the average
cost of all the items that are in stock.
- Default UOM. The default UOM for this product. Used for example to
express stock levels.
- Active, allow to disable a product.
The Product model extend the Product Template with two fields: Code
and Description. It's also possible to define a list of identifiers on product.
An identifier is composed by a type and a code. The following types are
available:
* International Article Number (EAN)
* International Standard Audiovisual Number (ISAN)
* International Standard Book Number (ISBN)
* International Standard Identifier for Libraries (ISIL)
* International Securities Identification Number (ISIN)
* International Standard Music Number (ISMN)
Configuration
*************
The product module uses the section `product` to retrieve some parameters:
- `price_decimal`: defines the number of decimal digits with which the unit
prices are stored. The default value is `4`.
- `uom_conversion_decimal`: defines the number of decimal digits with which the
conversion rates and factors of UoM are stored. The default value is `12`.
.. warning::
They can not be lowered once a database is created.
..
1324b4e518