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Manifest typing and reactive programming for Python

The traits package provides a metaclass with special attributes that are called traits. A trait is a type definition that can be used for normal Python object attributes, giving the attributes some additional characteristics: * Initialization: A trait attribute can have a default value * Validation: A trait attribute is manifestly typed. * Delegation: The value of a trait attribute can be contained in another object * Notification: Setting the value of a trait attribute can fired callbacks * Visualization: With the TraitsUI package, GUIs can be generated automatically from traited objects.
Package version:2.0.5-1



'Traits' is a Python package for creating 'manifestly'-typed Python attributes.


The Traits package is installed using the standard Python 'distutils' package.

Enter the following command in the 'traits-1.0' directory:

   python install
This will perform a normal install of the Traits package into your Python
installation. Refer 


enthought-traits (2.0.5-1) unstable; urgency=low

  * New upstream release
  * Bump Standards-Version to 3.8.0

 -- Varun Hiremath <>  Fri, 11 Jul 2008 20:02:42 +0530

enthought-traits (2.0.4-2) unstable; urgency=low

  [ Sandro Tosi ]
  * debian/control
    - added versioned build-dep on python-central (>= 0.6)
  * debian/rules
    - fixed due to new python-central directories for


This package was debianized by Ondrej Certik <>

It was downloaded from

Upstream Author: Enthought, Inc.

Copyright: (c) 2003-2007, Enthought, Inc. All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:

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