Merging in latest boto.

boto/cloudfront/invalidation.py

 # Copyright (c) 2006-2010 Chris Moyer http://coredumped.org/
 #
 # Permission is hereby granted, free of charge, to any person obtaining a
 # copy of this software and associated documentation files (the
 # "Software"), to deal in the Software without restriction, including
 # without limitation the rights to use, copy, modify, merge, publish, dis-
 # tribute, sublicense, and/or sell copies of the Software, and to permit
 # persons to whom the Software is furnished to do so, subject to the fol-
 # lowing conditions:
 #
 # The above copyright notice and this permission notice shall be included
 # in all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 # OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL-
 # ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
 # SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
 # WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 # IN THE SOFTWARE.
 
 import uuid
 import urllib
 
 class InvalidationBatch(object):
     """A simple invalidation request.
         :see: http://docs.amazonwebservices.com/AmazonCloudFront/2010-08-01/APIReference/index.html?InvalidationBatchDatatype.html
     """
 
-    def __init__(self, paths=[], connection=None, distribution=None, caller_reference=''):
+    def __init__(self, paths=None, connection=None, distribution=None, caller_reference=''):
         """Create a new invalidation request:
             :paths: An array of paths to invalidate
         """
-        self.paths = paths
+        self.paths = paths or []
         self.distribution = distribution
         self.caller_reference = caller_reference
         if not self.caller_reference:
             self.caller_reference = str(uuid.uuid4())
 
         # If we passed in a distribution,
         # then we use that as the connection object
         if distribution:
             self.connection = connection
         else:
@@ skipping 43 matching lines @@
             self.paths.append(value)
         elif name == "Status":
             self.status = value
         elif name == "Id":
             self.id = value
         elif name == "CreateTime":
             self.create_time = value
         elif name == "CallerReference":
             self.caller_reference = value
         return None