/usr/share/pyshared/traitsui/ui_info.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) 2005, 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: 10/13/2004
#
#------------------------------------------------------------------------------
""" Defines the UIInfo class used to represent the object and editor content of
an active Traits-based user interface.
"""
#-------------------------------------------------------------------------------
# Imports:
#-------------------------------------------------------------------------------
from __future__ import absolute_import
from traits.api import HasPrivateTraits, Instance, Constant, Bool
#-------------------------------------------------------------------------------
# 'UIInfo' class:
#-------------------------------------------------------------------------------
class UIInfo ( HasPrivateTraits ):
""" Represents the object and editor content of an active Traits-based
user interface
"""
#---------------------------------------------------------------------------
# Trait definitions:
#---------------------------------------------------------------------------
# Bound to a UI object at UIInfo construction time
ui = Instance( 'traitsui.ui.UI', allow_none = True )
# Indicates whether the UI has finished initialization
initialized = Bool( False )
#---------------------------------------------------------------------------
# Bind's all of the associated context objects as traits of the object:
#---------------------------------------------------------------------------
def bind_context ( self ):
""" Binds all of the associated context objects as traits of the
object.
"""
for name, value in self.ui.context.items():
self.bind( name, value )
#---------------------------------------------------------------------------
# Binds a name to a value if it is not already bound:
#---------------------------------------------------------------------------
def bind ( self, name, value, id = None ):
""" Binds a name to a value if it is not already bound.
"""
if id is None:
id = name
if not hasattr( self, name ):
self.add_trait( name, Constant( value ) )
if id != '':
self.ui._names.append( id )
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