pylint: upgrade to 1.4.0

third_party/pylint/interfaces.py

Index: third_party/pylint/interfaces.py
===================================================================
--- third_party/pylint/interfaces.py	(revision 293207)
+++ third_party/pylint/interfaces.py	(working copy)
@@ -10,11 +10,23 @@
 # You should have received a copy of the GNU General Public License along with
 # this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-"""Interfaces for PyLint objects"""
+"""Interfaces for Pylint objects"""
+from collections import namedtuple
 
 from logilab.common.interface import Interface
 
+Confidence = namedtuple('Confidence', ['name', 'description'])
+# Warning Certainties
+HIGH = Confidence('HIGH', 'No false positive possible.')
+INFERENCE = Confidence('INFERENCE', 'Warning based on inference result.')
+INFERENCE_FAILURE = Confidence('INFERENCE_FAILURE',
+                               'Warning based on inference with failures.')
+UNDEFINED = Confidence('UNDEFINED',
+                       'Warning without any associated confidence level.')
 
+CONFIDENCE_LEVELS = [HIGH, INFERENCE, INFERENCE_FAILURE, UNDEFINED]
+
+
 class IChecker(Interface):
     """This is an base interface, not designed to be used elsewhere than for
     sub interfaces definition.