IPV6 interface binding (#80)

daphne/server.py

@@ -185,6 +185,7 @@ def build_endpoint_description_strings(
     """
     socket_descriptions = []
     if host and port:
+        host = host.strip('[]').replace(':', '\:')
         socket_descriptions.append('tcp:port=%d:interface=%s' % (int(port), host))
     elif any([host, port]):
         raise ValueError('TCP binding requires both port and host kwargs.')

daphne/tests/test_endpoints.py

@@ -28,6 +28,16 @@ class TestEndpointDescriptions(TestCase):
             ['tcp:port=8000:interface=127.0.0.1']
         )
 
+        self.assertEqual(
+            build(port=8000, host='[200a::1]'),
+            ['tcp:port=8000:interface=200a\:\:1']
+        )
+
+        self.assertEqual(
+            build(port=8000, host='200a::1'),
+            ['tcp:port=8000:interface=200a\:\:1']
+        )
+
         # incomplete port/host kwargs raise errors
         self.assertRaises(
             ValueError,
@@ -123,6 +133,14 @@ class TestCLIInterface(TestCase):
             '-b 10.0.0.1',
             ['tcp:port=8000:interface=10.0.0.1']
         )
+        self.checkCLI(
+            '-b 200a::1',
+            ['tcp:port=8000:interface=200a\:\:1']
+        )
+        self.checkCLI(
+            '-b [200a::1]',
+            ['tcp:port=8000:interface=200a\:\:1']
+        )
         self.checkCLI(
             '-p 8080 -b example.com',
             ['tcp:port=8080:interface=example.com']