Work around OSX 10.8 Python 2.5 bug PYTHON-389

See PYTHON-389 for more details.

Author: behackett

bson/timestamp.py

@@ -20,6 +20,7 @@
 
 from bson.tz_util import utc
 
+UPPERBOUND = 4294967296
 
 class Timestamp(object):
  """MongoDB internal timestamps used in the opLog.
@@ -54,9 +55,9 @@ def __init__(self, time, inc):
  raise TypeError("time must be an instance of int")
  if not isinstance(inc, (int, long)):
  raise TypeError("inc must be an instance of int")
- if not 0 <= time < 2 ** 32:
+ if not 0 <= time < UPPERBOUND:
  raise ValueError("time must be contained in [0, 2**32)")
- if not 0 <= inc < 2 ** 32:
+ if not 0 <= inc < UPPERBOUND:
  raise ValueError("inc must be contained in [0, 2**32)")
 
  self.__time = time