pylint: upgrade to 1.4.0

third_party/pylint/interfaces.py

Index: third_party/pylint/interfaces.py
diff --git a/third_party/pylint/interfaces.py b/third_party/pylint/interfaces.py
index 50f2c8391041a83d784829c7d9e0a1326a7e67a2..067aaa6f02d019dcfbdaec942e420976c6d97610 100644
--- a/third_party/pylint/interfaces.py
+++ b/third_party/pylint/interfaces.py
@@ -10,10 +10,22 @@
 # 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