_profile_node: use collections.namedtuple

diff --git a/pym/portage/package/ebuild/_config/LocationsManager.py b/pym/portage/package/ebuild/_config/LocationsManager.py
index 244b7e0539b4a380053df5e3de425258618d8746..f559bb52bfbb8c20b9cd8b2d55d860c09e0565f0 100644 (file)
--- a/pym/portage/package/ebuild/_config/LocationsManager.py
+++ b/pym/portage/package/ebuild/_config/LocationsManager.py
@@ -5,6 +5,7 @@ __all__ = (
        'LocationsManager',
 )
 
+import collections
 import io
 import warnings
 
@@ -23,17 +24,8 @@ _PORTAGE1_DIRECTORIES = frozenset([
        'package.use', 'package.use.mask', 'package.use.force',
        'use.mask', 'use.force'])
 
-class _profile_node(object):
-
-       __slots__ = ('location', 'portage1_directories')
-
-       def __init__(self, location, portage1_directories):
-               object.__setattr__(self, 'location', location)
-               object.__setattr__(self, 'portage1_directories', portage1_directories)
-
-       def __setattr__(self, name, value):
-               raise AttributeError("_profile_node instances are immutable",
-                       self.__class__, name, value)
+_profile_node = collections.namedtuple('_profile_node',
+       'location portage1_directories')
 
 class LocationsManager(object):