From: Ethan Furman <ethan@stoneleaf.us>
Date: Fri, 18 Sep 2015 04:49:12 +0000 (-0700)
Subject: Close issue24840: Enum._value_ is queried for bool(); original patch by Mike Lundy
X-Git-Tag: v3.6.0a1~1537
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6db1fd5fb8b2287cd4713c95f0df451e375c8853;p=python

Close issue24840: Enum._value_ is queried for bool(); original patch by Mike Lundy
---

diff --git a/Lib/enum.py b/Lib/enum.py
index c28f3452a7..616b2eac15 100644
--- a/Lib/enum.py
+++ b/Lib/enum.py
@@ -476,6 +476,9 @@ class Enum(metaclass=EnumMeta):
     def __str__(self):
         return "%s.%s" % (self.__class__.__name__, self._name_)
 
+    def __bool__(self):
+        return bool(self._value_)
+
     def __dir__(self):
         added_behavior = [
                 m
diff --git a/Lib/test/test_enum.py b/Lib/test/test_enum.py
index 4b5d0d07bc..0f7b769b7a 100644
--- a/Lib/test/test_enum.py
+++ b/Lib/test/test_enum.py
@@ -270,6 +270,13 @@ class TestEnum(unittest.TestCase):
             class Wrong(Enum):
                 _any_name_ = 9
 
+    def test_bool(self):
+        class Logic(Enum):
+            true = True
+            false = False
+        self.assertTrue(Logic.true)
+        self.assertFalse(Logic.false)
+
     def test_contains(self):
         Season = self.Season
         self.assertIn(Season.AUTUMN, Season)
diff --git a/Misc/ACKS b/Misc/ACKS
index e26be932e3..43b4c99779 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -877,6 +877,7 @@ Kang-Hao (Kenny) Lu
 Lukas Lueg
 Loren Luke
 Fredrik Lundh
+Mike Lundy
 Zhongyue Luo
 Mark Lutz
 Taras Lyapun