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Handling price information in django

Project Description

ABOUT

django_price is an attempt to implement price representation in django, the right way. Prices itself are very easy to implement, but may be done very wrong if it comes to do calculations including tax.

django_price features a Price class to represent net/tax/gross prices. This class may be added, multiplied, … like you would some “simple decimal” expect to behave. Internaly however it keeps track of all applied taxes and its corresponsing net/tax/groos amounts. So adding two prices to calculate the total of - for example - an invoice does not loose important information (like which tax amounts are included).

WHY

As said above price calculation can go terribly wrong. This even happens for big players like Magento (10€ product + 5€ shipping = 15.01€ for 19% tax). django_price tries to do things right, to avoid such issues.

FEATURES

  • Basic calculation for prices (including tax information)
  • Knows the used currency (for rounding and formatting)
  • Stores taxes to your database (LinearTax and Multitax)
  • Proper rounding for prices (on demand, based on used currency)
  • Utilities to: - Store prices to the database - Round prices based on the used currency

ROUNDING

django_price does implicid rounding when calculating the net/gross/tax amount of prices. In addition the raw, precise values are stored. So when you calculate with prices this is always done using the precise prices, afterwards the rounded results are recalculated.

If yoou need prices to stay stable (10 times 100 should be exactly 1000) you may need to do explicid rounding.

REQUIREMENTS

  • Django (obviously)
  • django_deferred_polymorph (may be skipped if you don’t use the supplied models)
Release History

Release History

This version
History Node

0.2.1

History Node

0.2.0

History Node

0.1.1-1

History Node

0.1.0-2

History Node

0.1.0

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Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
django_price-0.2.1.tar.gz (16.2 kB) Copy SHA256 Checksum SHA256 Source Sep 9, 2015

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