SVN: ZODB/branches/hannosch-pickle-protocol2/ Warmup excercise, handle the protocol level of the zeo cache

Log message for revision 111817:
  Warmup excercise, handle the protocol level of the zeo cache
  

Changed:
  U   ZODB/branches/hannosch-pickle-protocol2/etc/sample.conf
  U   ZODB/branches/hannosch-pickle-protocol2/src/ZEO/ClientStorage.py
  U   ZODB/branches/hannosch-pickle-protocol2/src/ZODB/component.xml
  U   ZODB/branches/hannosch-pickle-protocol2/src/ZODB/config.py

-=-
Modified: ZODB/branches/hannosch-pickle-protocol2/etc/sample.conf
===================================================================
--- ZODB/branches/hannosch-pickle-protocol2/etc/sample.conf	2010-05-01 11:18:59 UTC (rev 111816)
+++ ZODB/branches/hannosch-pickle-protocol2/etc/sample.conf	2010-05-01 11:51:50 UTC (rev 111817)
@@ -31,3 +31,13 @@
         cache-size 200000000
     </zeoclient>
 </zodb>
+
+<zodb zeofs_pcache_prot2>
+    <zeoclient>
+        server $host:8100
+        client 1
+        var var
+        cache-size 200000000
+        cache-protocol 2
+    </zeoclient>
+</zodb>

Modified: ZODB/branches/hannosch-pickle-protocol2/src/ZEO/ClientStorage.py
===================================================================
--- ZODB/branches/hannosch-pickle-protocol2/src/ZEO/ClientStorage.py	2010-05-01 11:18:59 UTC (rev 111816)
+++ ZODB/branches/hannosch-pickle-protocol2/src/ZEO/ClientStorage.py	2010-05-01 11:51:50 UTC (rev 111817)
@@ -123,6 +123,7 @@
                  username='', password='', realm=None,
                  blob_dir=None, shared_blob_dir=False,
                  blob_cache_size=None, blob_cache_size_check=10,
+                 cache_protocol=1,
                  ):
         """ClientStorage constructor.
 
@@ -234,6 +235,9 @@
             loaded into the cache. Defaults to 10% of the blob cache
             size.   This option is ignored if shared_blob_dir is true.
 
+        cache_protocol
+            The pickle protocol used for the ZEO cache. Defaults to 1.
+
         Note that the authentication protocol is defined by the server
         and is detected by the ClientStorage upon connecting (see
         testConnection() and doAuth() for details).
@@ -396,8 +400,8 @@
             cache_path = None
 
         self._cache = self.ClientCacheClass(cache_path, size=cache_size)
+        self._cache_protocol = cache_protocol
 
-
         self._blob_cache_size = blob_cache_size
         self._blob_data_bytes_loaded = 0
         if blob_cache_size is not None:
@@ -1299,7 +1303,7 @@
         # setup tempfile to hold zeoVerify results and interim
         # invalidation results
         self._tfile = tempfile.TemporaryFile(suffix=".inv")
-        self._pickler = cPickle.Pickler(self._tfile, 1)
+        self._pickler = cPickle.Pickler(self._tfile, self._cache_protocol)
         self._pickler.fast = 1 # Don't use the memo
 
         if self._connection.peer_protocol_version < 'Z309':

Modified: ZODB/branches/hannosch-pickle-protocol2/src/ZODB/component.xml
===================================================================
--- ZODB/branches/hannosch-pickle-protocol2/src/ZODB/component.xml	2010-05-01 11:18:59 UTC (rev 111816)
+++ ZODB/branches/hannosch-pickle-protocol2/src/ZODB/component.xml	2010-05-01 11:51:50 UTC (rev 111817)
@@ -138,6 +138,11 @@
         The maximum size of the client cache, in bytes, KB or MB.
       </description>
     </key>
+    <key name="cache-protocol" required="no" datatype="integer">
+      <description>
+        The pickle protocol used for the cache. Defaults to 1.
+      </description>
+    </key>
     <key name="name" default="">
       <description>
         The storage name.  If unspecified, the address of the server

Modified: ZODB/branches/hannosch-pickle-protocol2/src/ZODB/config.py
===================================================================
--- ZODB/branches/hannosch-pickle-protocol2/src/ZODB/config.py	2010-05-01 11:18:59 UTC (rev 111816)
+++ ZODB/branches/hannosch-pickle-protocol2/src/ZODB/config.py	2010-05-01 11:51:50 UTC (rev 111817)
@@ -188,6 +188,8 @@
             options['blob_cache_size'] = self.config.blob_cache_size
         if self.config.blob_cache_size_check is not None:
             options['blob_cache_size_check'] = self.config.blob_cache_size_check
+        if self.config.cache_protocol is not None:
+            options['cache_protocol'] = self.config.cache_protocol
 
         return ClientStorage(
             L,