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horae.properties 1.0a1

Provides the dynamic property infrastructure used by the Horae resource planning system

Introduction

horae.properties provides the dynamic property infrastructure used by the client, project, milestone and ticket content objects of the horae.ticketing.

Usage

The package builds up on three main classes:

Properties
Container for persistent properties
Property
A property providing one or more fields
Propertied
An object based on the fields provided by the properties which are defined by the corresponding property containers

Objects using the property architecture have to subclass the horae.properties.propertied.PropertiedMixin mix in class and their add, edit and display forms have to subclass the corresponding base classes PropertiedAddForm, PropertiedEditForm and PropertiedDisplayForm defined in horae.properties.views. The properties for a propertied object are collected from all named adapters implementing horae.properties.interfaces.IProperties and adapting the object. Sample implementations may be found in the horae.ticketing package.

There are five property containers implemented by horae.properties which there are:

Global properties
Properties available for all propertied objects
Client properties
Properties available for clients
Project properties
Properties available for projects
Milestone properties
Properties available for milestones
Ticket properties
Properties available for tickets

Properties may be created or customized persistently using the GUI provided by horae.properties. Another way to define properties is by defining them as default properties which is done by registering a named global utility implementing horae.properties.interfaces.IDefaultProperty. Examples of such default properties may be found in the horae.ticketing package.

Property types

The package provides the following Property implementations defined in horae.properties.properties:

BoolProperty
A boolean property
TextLineProperty
A textline property
TextProperty
A text property
RichTextProperty
A rich text property
ChoiceProperty
A choice property
MultipleChoiceProperty
A multiple choice property
WeightedChoiceProperty
A choice property having weighted options
FloatProperty
A float property
PriceProperty
A price property
UserProperty
A user property
UserRoleProperty
A user role property
GroupProperty
A group property
GroupRoleProperty
A group role property
DateTimeProperty
A date time property
DateTimeRangeProperty
A date time range property

History

A Propertied object stores changes in a list of PropertyChange objects to preserve a changelog of the lifecycle. A view of the whole history may be provided by sub-classing the horae.properties.views.History base class.

Changelog

1.0a1 (2012-01-16)

  • Initial release
 
File Type Py Version Uploaded on Size
horae.properties-1.0a1.tar.gz (md5) Source 2012-01-16 20KB
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