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""" Classes used to represent packages. """
# Standard library imports.
from os.path import join
# Enthought library imports.
from enthought.io.api import File
from enthought.traits.api import Instance, List, Str
# Local imports.
from namespace import Namespace
class Package(Namespace):
""" A package. """
#### 'Package' interface ##################################################
# The namespace that the package is defined in.
#
# fixme: This is always None for packages so why should we have this trait!
# If I remember correctly it is something to do with trait identification!
namespace = Instance(Namespace)
# The package contents (modules and sub-packages).
contents = List
# The absolute filename of the package.
filename = Str
# The package name.
name = Str
# The package's parent package (None if this is a top level package).
parent = Instance('Package')
###########################################################################
# 'Package' interface.
###########################################################################
def create_sub_package(self, name):
""" Creates a sub-package with the specified name. """
sub_package = File(join(self.filename, name))
sub_package.create_package()
return
def delete_sub_package(self, name):
""" Deletes the sub-package with the specified name. """
sub_package = File(join(self.filename, name))
sub_package.delete()
return
###########################################################################
# Private interface
###########################################################################
def _name_changed(self, name):
""" Called when the package name has been changed. """
##print '**** Package name changed', self.name
return
#### EOF ######################################################################
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