From da068f8d4ce1748ab73d208f052525b8f11dfe5a Mon Sep 17 00:00:00 2001
From: Viorel Stirbu <viorels@gmail.com>
Date: Sat, 14 Feb 2015 14:00:34 +0200
Subject: Add warning for "intern" in Python 3

Closes issue #473
---
 checkers/python3.py              | 6 ++++++
 test/unittest_checker_python3.py | 1 +
 2 files changed, 7 insertions(+)

diff --git a/checkers/python3.py b/checkers/python3.py
index 59c37bf..8c5e125 100644
--- a/checkers/python3.py
+++ b/checkers/python3.py
@@ -262,6 +262,11 @@ class Python3Checker(checkers.BaseChecker):
                   'Used when the round built-in is referenced '
                   '(backwards-incompatible semantics in Python 3)',
                   {'maxversion': (3, 0)}),
+        'W1634': ('intern built-in referenced',
+                  'intern-builtin',
+                  'Used when the intern built-in is referenced '
+                  '(Moved to sys.intern in Python 3)',
+                  {'maxversion': (3, 0)}),
     }
 
     _bad_builtins = frozenset([
@@ -273,6 +278,7 @@ class Python3Checker(checkers.BaseChecker):
         'execfile',
         'file',
         'input',  # Not missing, but incompatible semantics
+        'intern',
         'long',
         'raw_input',
         'reduce',
diff --git a/test/unittest_checker_python3.py b/test/unittest_checker_python3.py
index 5abab93..c8ca4b8 100644
--- a/test/unittest_checker_python3.py
+++ b/test/unittest_checker_python3.py
@@ -49,6 +49,7 @@ class Python3CheckerTest(testutils.CheckerTestCase):
             'execfile',
             'file',
             'input',
+            'intern',
             'long',
             'raw_input',
             'round',
-- 
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