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""" Context adapter factory for Python instances. """
# Enthought library imports.
from enthought.naming.api import ContextAdapterFactory
from enthought.traits.api import List, Str
from enthought.type_manager import PythonObject
# Local imports.
from instance_context_adapter import InstanceContextAdapter
class InstanceContextAdapterFactory(ContextAdapterFactory):
""" Context adapter factoryfor Python instances. """
#### 'ContextAdapterFactory' interface ####################################
# The type of object that we adapt.
adaptee_class = PythonObject
#### 'InstanceContextAdapterFactory' interface ############################
# By default every public attribute of an instance is exposed. Use the
# following traits to either include or exclude attributes as appropriate.
#
# Regular expressions that describe the names of attributes to include.
include = List(Str)
# Regular expressions that describe the names of attributes to exclude. By
# default we exclude 'protected' and 'private' attributes and any
# attributes that are artifacts of the traits mechanism.
exclude = List(Str, ['_', 'trait_'])
###########################################################################
# Protected 'AbstractAdapterFactory' interface.
###########################################################################
def _adapt(self, adaptee, target_class, environment, context):
""" Returns an adapter that adapts an object to the target class. """
adapter = InstanceContextAdapter(
adaptee = adaptee,
environment = environment,
context = context,
include = self.include,
exclude = self.exclude
)
return adapter
#### EOF ######################################################################
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