Use our own u64() to avoid imports from ZODB.

git-svn-id: https://svn.erp5.org/repos/neo/branches/prototype3@630 71dcc9de-d417-0410-9af5-da40c76e7ee4

neo/pt.py

@@ -20,8 +20,7 @@ import logging
 from neo.protocol import UP_TO_DATE_STATE, OUT_OF_DATE_STATE, FEEDING_STATE, \
         DISCARDED_STATE, RUNNING_STATE, TEMPORARILY_DOWN_STATE, DOWN_STATE, \
         BROKEN_STATE, VALID_CELL_STATE_LIST, HIDDEN_STATE
-from ZODB.utils import u64
-from neo.util import dump
+from neo.util import dump, u64
 
 class Cell(object):
     """This class represents a cell in a partition table."""

neo/util.py

@@ -17,6 +17,13 @@
 
 
 from zlib import adler32
+from struct import pack, unpack
+
+def u64(s):
+    return unpack('!Q', s)[0]
+
+def p64(n):
+    return pack('!Q', n)
 
 def dump(s):
     """Dump a binary string in hex."""