Merge pull request #13 from bd808/issue/12

Avoid OverflowError with large ranges

Author: bd808

.travis.yml

@@ -1,6 +1,5 @@
 language: python
 python:
-  - "2.5"
   - "2.6"
   - "2.7"
   - "3.2"

README.md

@@ -64,7 +64,7 @@ Local documentation can be built using [Sphinx][]:
 Python Version Compatibility
 ----------------------------
 
-[Travis CI][ci-home] automatically runs tests against python 2.5, 2.6, 2.7, 3.2, 3.3 and pypy.
+[Travis CI][ci-home] automatically runs tests against python 2.6, 2.7, 3.2, 3.3 and pypy.
 
 Installation
 ------------

iptools/__init__.py

@@ -219,6 +219,8 @@ def __len__(self):
         2
         >>> len(IpRange('127/22'))
         1024
+        >>> IpRange('fe80::/10').__len__() == 2**118
+        True
         """
         return self._len
     #end __len__
@@ -510,8 +512,10 @@ def __len__(self):
         256
         >>> len(IpRangeList('192.168.0.0/22'))
         1024
+        >>> IpRangeList('fe80::/10').__len__() == 2**118
+        True
         """
-        return sum([len(r) for r in self.ips])
+        return sum(r.__len__() for r in self.ips)
     #end __len__
 #end class IpRangeList