[Zope3-checkins] CVS: Zope3/src/zodb - connection.py:1.7.4.6

[Jeremy Hylton]

Update of /cvs-repository/Zope3/src/zodb
In directory cvs.zope.org:/tmp/cvs-serv29525

Modified Files:
      Tag: opaque-pickles-branch
	connection.py 
Log Message:
Fix invalidate() to always pass the version to the db.
Update TmpStore from changes made on trunk.
Remove some unused imports.


=== Zope3/src/zodb/connection.py 1.7.4.5 => 1.7.4.6 ===
--- Zope3/src/zodb/connection.py:1.7.4.5	Wed Mar 12 17:07:02 2003
+++ Zope3/src/zodb/connection.py	Wed Mar 12 18:22:06 2003
@@ -37,19 +37,16 @@
 $Id$
 """
 
-import cPickle
-from cStringIO import StringIO
 import logging
 import tempfile
 import threading
-import time
 from types import StringType, ClassType, TupleType
 
 from zodb import interfaces
 from zodb.conflict import ResolvedSerial
 from zodb.export import ExportImport
 from zodb.interfaces import *
-from zodb.serialize import ConnectionObjectReader, ObjectWriter
+from zodb.serialize import ConnectionObjectReader, ObjectWriter, findrefs
 from zodb.storage.interfaces import IStorage
 from zodb.utils import p64, u64, Set
 
@@ -535,14 +532,31 @@
         self._tmp_undo.rollback()
         self._conn._cache.invalidateMany(self._conn._modified)
 
+class UndoInfo:
+    """A helper class for rollback.
+
+    The class stores the state necessary for rolling back to a
+    particular time.
+    """
+
+    def __init__(self, store, pos, index):
+        self._store = store
+        self._pos = pos
+        self._index = index
+
+    def current(self, cur_store):
+        """Return true if the UndoInfo is for cur_store."""
+        return self._store is cur_store
+
+    def rollback(self):
+        self._store.rollback(self._pos, self._index)
+
+
 class TmpStore:
     """A storage to support savepoints."""
 
     _bver = ''
 
-    # XXX This storage doesn't implementation the full API yet
-    __implements__ = IStorage
-
     def __init__(self, base_version):
         self._transaction = None
         if base_version:
@@ -559,10 +573,16 @@
         self._db = None
 
     def close(self):
+        # XXX Is this necessary?
         self._file.close()
 
+    def getName(self):
+        return self._db.getName()
+
+    def getSize(self):
+        return self._pos
+
     def load(self, oid, version):
-        # XXX I don't think the version handling is correct here.
         pos = self._index.get(oid, None)
         if pos is None:
             return self._storage.load(oid, self._bver)
@@ -579,10 +599,10 @@
     def modifiedInVersion(self, oid):
         if self._index.has_key(oid):
             return self._bver
-        return self._storage.modifiedInVersion(oid)
+        return self._db._storage.modifiedInVersion(oid)
 
     def newObjectId(self):
-        return self._storage.newObjectId()
+        return self._db._storage.newObjectId()
 
     def registerDB(self, db):
         self._db = db
@@ -591,6 +611,9 @@
     def store(self, oid, serial, data, version, transaction):
         if transaction is not self._transaction:
             raise interfaces.StorageTransactionError(self, transaction)
+        # XXX Store this natively and get rid of the conditional split
+        if isinstance(data, tuple):
+            data, refs = data
         self._file.seek(self._pos)
         l = len(data)
         if serial is None:
@@ -644,22 +667,3 @@
         self._tpos = self._pos = pos
         self._index = index
         self._tindex.clear()
-
-class UndoInfo:
-    """A helper class for rollback.
-
-    The class stores the state necessary for rolling back to a
-    particular time.
-    """
-
-    def __init__(self, store, pos, index):
-        self._store = store
-        self._pos = pos
-        self._index = index
-
-    def current(self, cur_store):
-        """Return true if the UndoInfo is for cur_store."""
-        return self._store is cur_store
-
-    def rollback(self):
-        self._store.rollback(self._pos, self._index)