Rewrote geolocation code (more features and size optimisations coming soon

lib/pygeoip/util.py

@@ -0,0 +1,42 @@
+"""
+Misc. utility functions. It is part of the pygeoip package.
+
+@author: Jennifer Ennis <zaylea at gmail dot com>
+
+@license:
+Copyright(C) 2004 MaxMind LLC
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/lgpl.txt>.
+"""
+
+import six
+
+def ip2long(ip):
+    """
+    Convert a IPv4 address into a 32-bit integer.
+    
+    @param ip: quad-dotted IPv4 address
+    @type ip: str
+    @return: network byte order 32-bit integer
+    @rtype: int
+    """
+    ip_array = ip.split('.')
+    
+    if six.PY3:
+        # int and long are unified in py3
+        ip_long = int(ip_array[0]) * 16777216 + int(ip_array[1]) * 65536 + int(ip_array[2]) * 256 + int(ip_array[3])
+    else:
+        ip_long = long(ip_array[0]) * 16777216 + long(ip_array[1]) * 65536 + long(ip_array[2]) * 256 + long(ip_array[3])
+    return ip_long  
+