Merge pull request #37 from droanr/django-1.10

Django-1.10

setup.cfg

@@ -2,4 +2,4 @@
 universal = 1
 
 [flake8]
-max-line-length = 119
+max-line-length = 135

setup.py

@@ -70,7 +70,7 @@ def run_tests(self):
 
 setup(
     name='django-livefield',
-    version='2.6.0',
+    version='2.7.0',
     description='Convenient soft-deletion support for Django models',
     long_description=(
         open('README.rst').read() + '\n\n' +

src/livefield/fields.py

@@ -1,3 +1,4 @@
+import django
 from django.db import models
 
 
@@ -36,6 +37,19 @@ def get_prep_lookup(self, lookup_type, value):
         return super(LiveField, self).get_prep_lookup(lookup_type, value)
 
 
+class LiveFieldExact(models.lookups.Exact):
+    def get_db_prep_lookup(self, value, connection):
+        if not value:
+            msg = u"LiveField doesn't support filters or excludes with a livefield=False. Try using livefield=None."
+            raise TypeError(msg)  # pylint: disable=no-member
+        return super(LiveFieldExact, self).get_db_prep_lookup(value, connection)  # pylint: disable=too-many-function-args
+
+
+# Only do this for Django >= 1.10
+if django.get_version().startswith("1.1"):
+    LiveField.register_lookup(LiveFieldExact)
+
+
 try:
     from south.modelsinspector import add_introspection_rules
     add_introspection_rules([], ['^livefield.LiveField'])