core: use pprint.pformat to pretty print activity message_list

using json in 37b795fb was wrong,
because not all arguments can be converted to json (for example
DateTime instances)

This also enable the format using pprint.pformat for args, instead
of a simple str that was done in ActivityTool_getMessageList.

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ActivityTool_getMessageList.py

@@ -13,7 +13,6 @@ for message in message_list:
   message.edit(
     str_object_path = '/'.join(message.object_path),
     uid_activity = str(message.uid) + ' ('+ message.activity[3:] +')',
-    arguments = str(message.args),
     delete = '[Delete]',
     restart = '[Restart]',
   )

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ActivityTool_viewActivityList.xml

@@ -83,7 +83,7 @@
                         <string>listbox_call_traceback</string>
                         <string>listbox_activity_kw</string>
                         <string>listbox_kw</string>
-                        <string>listbox_arguments</string>
+                        <string>listbox_args</string>
                       </list>
                     </value>
                 </item>

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ActivityTool_viewActivityList/listbox.xml

@@ -127,7 +127,7 @@
                           <string>Activity Kw</string>
                         </tuple>
                         <tuple>
-                          <string>arguments</string>
+                          <string>args</string>
                           <string>Arguments</string>
                         </tuple>
                         <tuple>
@@ -278,7 +278,7 @@
                           <string></string>
                         </tuple>
                         <tuple>
-                          <string>arguments</string>
+                          <string>args</string>
                           <string></string>
                         </tuple>
                         <tuple>

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ActivityTool_viewActivityList/listbox_activity_kw.xml

@@ -125,7 +125,7 @@
       <dictionary>
         <item>
             <key> <string>_text</string> </key>
-            <value> <string>python: modules[\'json\'].dumps(cell.activity_kw, indent=True)</string> </value>
+            <value> <string>python: modules[\'pprint\'].pformat(cell.activity_kw)</string> </value>
         </item>
       </dictionary>
     </pickle>

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ActivityTool_viewActivityList/listbox_arguments.xml → product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ActivityTool_viewActivityList/listbox_args.xml

@@ -11,13 +11,14 @@
             <value>
               <list>
                 <string>css_class</string>
+                <string>default</string>
                 <string>title</string>
               </list>
             </value>
         </item>
         <item>
             <key> <string>id</string> </key>
-            <value> <string>listbox_arguments</string> </value>
+            <value> <string>listbox_args</string> </value>
         </item>
         <item>
             <key> <string>message_values</string> </key>
@@ -53,6 +54,16 @@
             <key> <string>tales</string> </key>
             <value>
               <dictionary>
+                <item>
+                    <key> <string>css_class</string> </key>
+                    <value> <string></string> </value>
+                </item>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value>
+                      <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent>
+                    </value>
+                </item>
                 <item>
                     <key> <string>field_id</string> </key>
                     <value> <string></string> </value>
@@ -65,6 +76,10 @@
                     <key> <string>target</string> </key>
                     <value> <string></string> </value>
                 </item>
+                <item>
+                    <key> <string>title</string> </key>
+                    <value> <string></string> </value>
+                </item>
               </dictionary>
             </value>
         </item>
@@ -76,6 +91,10 @@
                     <key> <string>css_class</string> </key>
                     <value> <string>pre</string> </value>
                 </item>
+                <item>
+                    <key> <string>default</string> </key>
+                    <value> <string></string> </value>
+                </item>
                 <item>
                     <key> <string>field_id</string> </key>
                     <value> <string>my_text_area_field</string> </value>
@@ -98,4 +117,17 @@
       </dictionary>
     </pickle>
   </record>
+  <record id="2" aka="AAAAAAAAAAI=">
+    <pickle>
+      <global name="TALESMethod" module="Products.Formulator.TALESField"/>
+    </pickle>
+    <pickle>
+      <dictionary>
+        <item>
+            <key> <string>_text</string> </key>
+            <value> <string>python: modules[\'pprint\'].pformat(cell.args)</string> </value>
+        </item>
+      </dictionary>
+    </pickle>
+  </record>
 </ZopeData>

product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ActivityTool_viewActivityList/listbox_kw.xml

@@ -125,7 +125,7 @@
       <dictionary>
         <item>
             <key> <string>_text</string> </key>
-            <value> <string>python: modules[\'json\'].dumps(cell.kw, indent=True)</string> </value>
+            <value> <string>python: modules[\'pprint\'].pformat(cell.kw)</string> </value>
         </item>
       </dictionary>
     </pickle>