jupyter: uses portal_caches instead of portal_memcached to store iframe

Jupyter now uses portal_caches instead of portal_memcached to store the
temporary PivotTableJs iframe that will be served to the frontend. This provides
another level of abstraction to how the iframe storage will work.

bt5/erp5_data_notebook/ExtensionTemplateItem/portal_components/extension.erp5.JupyterCompile.py

@@ -400,9 +400,7 @@ class ProcessorList(object):
       
 
 def storeIFrame(self, html, key):
-  memcached_tool = self.getPortalObject().portal_memcached
-  memcached_dict = memcached_tool.getMemcachedDict(key_prefix='pivottablejs', plugin_path='portal_memcached/default_memcached_plugin')
-  memcached_dict[key] = html
+  self.portal_caches.erp5_pivottable_frame_cache.set(key, html)
   return True
 
 # WARNING! 

bt5/erp5_data_notebook/PathTemplateItem/portal_caches/erp5_pivottable_frame_cache.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Cache Factory" module="erp5.portal_type"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_count</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>_mt_index</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAM=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>_tree</string> </key>
+            <value>
+              <persistent> <string encoding="base64">AAAAAAAAAAQ=</string> </persistent>
+            </value>
+        </item>
+        <item>
+            <key> <string>cache_duration</string> </key>
+            <value> <int>36000</int> </value>
+        </item>
+        <item>
+            <key> <string>description</string> </key>
+            <value>
+              <none/>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>erp5_pivottable_frame_cache</string> </value>
+        </item>
+        <item>
+            <key> <string>portal_type</string> </key>
+            <value> <string>Cache Factory</string> </value>
+        </item>
+        <item>
+            <key> <string>title</string> </key>
+            <value> <string>PivotTableJs Frames Cache</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+  <record id="2" aka="AAAAAAAAAAI=">
+    <pickle>
+      <global name="Length" module="BTrees.Length"/>
+    </pickle>
+    <pickle> <int>0</int> </pickle>
+  </record>
+  <record id="3" aka="AAAAAAAAAAM=">
+    <pickle>
+      <global name="OOBTree" module="BTrees.OOBTree"/>
+    </pickle>
+    <pickle>
+      <none/>
+    </pickle>
+  </record>
+  <record id="4" aka="AAAAAAAAAAQ=">
+    <pickle>
+      <global name="OOBTree" module="BTrees.OOBTree"/>
+    </pickle>
+    <pickle>
+      <none/>
+    </pickle>
+  </record>
+</ZopeData>

bt5/erp5_data_notebook/PathTemplateItem/portal_caches/erp5_pivottable_frame_cache/3.xml

+<?xml version="1.0"?>
+<ZopeData>
+  <record id="1" aka="AAAAAAAAAAE=">
+    <pickle>
+      <global name="Distributed Ram Cache" module="erp5.portal_type"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>categories</string> </key>
+            <value>
+              <tuple>
+                <string>specialise/portal_memcached/default_memcached_plugin</string>
+              </tuple>
+            </value>
+        </item>
+        <item>
+            <key> <string>id</string> </key>
+            <value> <string>3</string> </value>
+        </item>
+        <item>
+            <key> <string>int_index</string> </key>
+            <value> <int>1</int> </value>
+        </item>
+        <item>
+            <key> <string>portal_type</string> </key>
+            <value> <string>Distributed Ram Cache</string> </value>
+        </item>
+        <item>
+            <key> <string>title</string> </key>
+            <value> <string>Distributed Volatile RAM based cache plugin</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
+</ZopeData>

bt5/erp5_data_notebook/SkinTemplateItem/portal_skins/erp5_data_notebook/Base_displayPivotTableFrame.py

-memcached_tool = context.getPortalObject().portal_memcached
-memcached_dict = memcached_tool.getMemcachedDict(key_prefix='pivottablejs', plugin_path='portal_memcached/default_memcached_plugin')
-return memcached_dict[key]
+cache_factory = context.getPortalObject().portal_caches.erp5_pivottable_frame_cache
+return cache_factory.get(key)

bt5/erp5_data_notebook/bt/template_path_list

+portal_caches/erp5_pivottable_frame_cache
+portal_caches/erp5_pivottable_frame_cache/**
\ No newline at end of file