Updates for PEP8.

varnish.py

@@ -1,4 +1,5 @@
 #!/usr/bin/python 
+"""Script to create a ACL file for inclusion within Varnish."""
 
 import blocklist
 import sys
@@ -6,18 +7,22 @@ import sys
 class VarnishBlockList(blocklist.BlockList):
     """New class to extend the main BlockList class for implementation with Varnish."""
     def export(self):
-         """Exports blocklist addresses for use within Varnish."""
-         print "acl block_list {"
-         for address in self.data.keys():
-             print "\t\"%s\";" % address
-         print "}"
+        """Exports blocklist addresses for use within Varnish."""
+        print "acl block_list {"
+        for address in self.data.keys():
+            print "\t\"%s\";" % address
+        print "}"
 
-if __name__ == "__main__":
-    blocklist = VarnishBlockList()
+def main():
+    """Main program loop."""
+    block_list = VarnishBlockList()
 
-    blocklist.read("http://server1.example.com/default/blocks.txt")
-    blocklist.read("http://server2.example.com/default/blocks.txt")
+    block_list.read("http://server1.example.com/default/blocks.txt")
+    block_list.read("http://server2.example.com/default/blocks.txt")
 
-    blocklist.export()
+    block_list.export()
 
     sys.exit(0)
+
+if __name__ == "__main__":
+    main()