silence open file warnings in python 3

ahupp · ahupp · commit 209df6050372 · 2015-01-06T23:53:24.000-08:00
diff --git a/test.py b/test.py
@@ -13,9 +13,10 @@ def assert_values(self, m, expected_values):
             except TypeError:
                 filename = os.path.join(self.TESTDATA_DIR.encode('utf-8'), filename)
 
-            value = m.from_buffer(open(filename, 'rb').read())
-            expected_value_bytes = expected_value.encode('utf-8')
-            self.assertEqual(value, expected_value_bytes)
+            with open(filename, 'rb') as f:
+                value = m.from_buffer(f.read())
+                expected_value_bytes = expected_value.encode('utf-8')
+                self.assertEqual(value, expected_value_bytes)
 
             value = m.from_file(filename)
             self.assertEqual(value, expected_value_bytes)
