Never set value when rendering! If you do, then every time writing occur and...

Never set value when rendering! If you do, then every time writing occur and it creates conflict error which kill ERP5 scalability! To get acquisition, you just have to call __of__. Also frequent writing make data.fs very huge so quickly.

product/ERP5OOo/FormPrintout.py

@@ -230,10 +230,13 @@ class FormPrintout(Implicit, Persistent, RoleManager, Item, PropertyManager):
                          report_method=report_method,
                          form=form,
                          here=obj)
-    # set property to do aquisition
+    # Never set value when rendering! If you do, then every time
+    # writing occur and it creates conflict error which kill ERP5
+    # scalability! To get acquisition, you just have to call __of__.
+    # Also frequent writing make data.fs very huge so quickly.
     content_type = printout_template.content_type
-    self.strategy = self._createStrategy(content_type)
-    printout = self.strategy.render(extra_context=extra_context)
+    strategy = self._createStrategy(content_type).__of__(self)
+    printout = strategy.render(extra_context=extra_context)
     return self._oooConvertByFormat(printout, content_type,
                                     extra_context, REQUEST, 
                                     format, batch_mode)