Clean IPv6 support

radicale/__init__.py

@@ -85,18 +85,18 @@ class HTTPServer(server.HTTPServer):
 
     # Maybe a Pylint bug, ``__init__`` calls ``server.HTTPServer.__init__``
     # pylint: disable=W0231
-    def __init__(self, address, handler, bind_and_activate = True):
+    def __init__(self, address, handler, bind_and_activate=True):
         """Create server."""
-        self.use_ipv6 = ':' in address[0]
+        ipv6 = ":" in address[0]
 
-        if self.use_ipv6:
+        if ipv6:
             self.address_family = socket.AF_INET6
 
-        # call superclass, but do NOT bind and activate, as we might change socketopts
-        server.HTTPServer.__init__(self, address, handler, bind_and_activate = False)
+        # Do not bind and activate, as we might change socketopts
+        server.HTTPServer.__init__(self, address, handler, False)
 
-        if self.use_ipv6:
-            # only allow IPv6 connections to the IPv6 socket
+        if ipv6:
+            # Only allow IPv6 connections to the IPv6 socket
             self.socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY, 1)
 
         if bind_and_activate:
@@ -111,7 +111,7 @@ class HTTPSServer(HTTPServer):
     """HTTPS server."""
     PROTOCOL = "https"
 
-    def __init__(self, address, handler, bind_and_activate = True):
+    def __init__(self, address, handler, bind_and_activate=True):
         """Create server by wrapping HTTP socket in an SSL socket."""
         # Fails with Python 2.5, import if needed
         # pylint: disable=F0401
@@ -120,7 +120,7 @@ class HTTPSServer(HTTPServer):
 
         HTTPServer.__init__(self, address, handler, False)
         self.socket = ssl.wrap_socket(
-            self.socket, # we can use this, it is not bound yet
+            self.socket,
             server_side=True,
             certfile=config.get("server", "certificate"),
             keyfile=config.get("server", "key"),