Adding support for egress rules. Closes #355.

boto/ec2/securitygroup.py

@@ -36,7 +36,8 @@ def __init__(self, connection=None, owner_id=None,
         self.name = name
         self.description = description
         self.vpc_id = None
-        self.rules = []
+        self.rules = IPPermissionsList()
+        self.rules_egress = IPPermissionsList()
 
     def __repr__(self):
         return 'SecurityGroup:%s' % self.name
@@ -45,9 +46,10 @@ def startElement(self, name, attrs, connection):
         retval = TaggedEC2Object.startElement(self, name, attrs, connection)
         if retval is not None:
             return retval
-        if name == 'item':
-            self.rules.append(IPPermissions(self))
-            return self.rules[-1]
+        if name == 'ipPermissions':
+            return self.rules
+        elif name == 'ipPermissionsEgress':
+            return self.rules_egress
         else:
             return None
 
@@ -242,6 +244,17 @@ def instances(self):
                 instances.extend(reservation.instances)
         return instances
 
+class IPPermissionsList(list):
+
+    def startElement(self, name, attrs, connection):
+        if name == 'item':
+            self.append(IPPermissions(self))
+            return self[-1]
+        return None
+
+    def endElement(self, name, value, connection):
+        pass
+
 class IPPermissions(object):
 
     def __init__(self, parent=None):