Fix labels and migrations

README.rst

@@ -65,7 +65,7 @@ You can use your own labels for Enum items
         CAT = 1
         DOG = 2
 
-        labels = {
+        _labels = {
             CAT: 'Cat',
             DOG: 'Dog'
         }
@@ -112,7 +112,7 @@ The Enum-class can also be used without the EnumField. This is very useful in Dj
         MALE = 1
         FEMALE = 2
 
-        labels = {
+        _labels = {
             MALE: 'Male',
             FEMALE: 'Female',
         }

django_enumfield/enum.py

@@ -52,6 +52,15 @@ def __eq__(self, other):
     def values(self):
         return self.__members__
 
+    def deconstruct(self):
+        """
+        See "Adding a deconstruct() method" in
+        https://docs.djangoproject.com/en/1.8/topics/migrations/
+        """
+        c = self.__class__
+        path = '{}.{}'.format(c.__module__, c.__name__)
+        return path, [self.value], {}
+
     @classmethod
     def choices(cls, blank=False):
         """ Choices for Enum
@@ -111,7 +120,7 @@ def label(self):
         :return: label for value
         :rtype: str or
         """
-        labels = getattr(self.__class__, 'labels', None)
+        labels = getattr(self.__class__, '_labels', None)
         if labels is None:
             return six.text_type(self.name)
 

django_enumfield/tests/models.py

@@ -59,7 +59,7 @@ class LabelBeer(Enum):
     JUPILER = 1
     TYSKIE = 2
 
-    labels = {
+    _labels = {
         STELLA: _('Stella Artois'),
         TYSKIE: _('Browar Tyskie'),
     }