/usr/share/pyshared/traitsui/context_value.py is in python-traitsui 4.1.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# Copyright (c) 2008, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
#
# Author: David C. Morrill
# Date: 08/18/2008
#
#------------------------------------------------------------------------------
""" Defines some helper classes and traits used to define 'bindable' editor
values.
"""
#-------------------------------------------------------------------------------
# Imports:
#-------------------------------------------------------------------------------
from __future__ import absolute_import
from traits.api import HasPrivateTraits, Instance, Str, Int, Float, Either
#-------------------------------------------------------------------------------
# 'ContextValue' class:
#-------------------------------------------------------------------------------
class ContextValue ( HasPrivateTraits ):
""" Defines the name of a context value that can be bound to some editor
value.
"""
# The extended trait name of the value that can be bound to the editor
# (e.g. 'selection' or 'handler.selection'):
name = Str
#-- object Interface -------------------------------------------------------
def __init__ ( self, name ):
""" Initializes the object.
"""
self.name = name
# Define a shorthand name for a ContextValue:
CV = ContextValue
#-------------------------------------------------------------------------------
# Trait definitions useful in defining bindable editor traits:
#-------------------------------------------------------------------------------
InstanceOfContextValue = Instance( ContextValue, allow_none = False )
def CVType( type ):
return Either( type, InstanceOfContextValue, sync_value = 'to' )
CVInt = CVType( Int )
CVFloat = CVType( Float )
CVStr = CVType( Str )
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