Make Property Sheet migration more resilient.

There are some (at least InventoryConstraint from erp5_trade) Property Sheets
which contained bugs at some point, preventing their import. This should not
prevent import of all other valid Property Sheets, so upgrade without manual
intervention (aka upgrader) is possible.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@44245 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Tool/PropertySheetTool.py

@@ -35,8 +35,13 @@ from Products.ERP5Type import Permissions
 from Products.ERP5Type.Accessor import Translation
 from Products.CMFCore.utils import getToolByName
 from Products.ERP5Type.Core.PropertySheet import PropertySheet as PropertySheetDocument
+from zExceptions import BadRequest
 
-from zLOG import LOG, INFO
+from zLOG import LOG, INFO, WARNING
+
+KNOWN_BROKEN_PROPERTY_SHEET_DICT = {
+  'InventoryConstraint': 'erp5_trade',
+}
 
 class PropertySheetTool(BaseTool):
   """
@@ -92,9 +97,12 @@ class PropertySheetTool(BaseTool):
     """
     Create Property Sheets in portal_property_sheets from _all_
     filesystem Property Sheets
+    Returns the list of PropertySheet names which failed being imported.
     """
     from Products.ERP5Type import PropertySheet
 
+    failed_import = []
+    append = failed_import.append
     # Get all the filesystem Property Sheets
     for name, klass in PropertySheet.__dict__.iteritems():
       # If the Property Sheet is a string, it means that the Property
@@ -112,12 +120,34 @@ class PropertySheetTool(BaseTool):
       LOG("Tool.PropertySheetTool", INFO,
           "Creating %s in portal_property_sheets" % repr(name))
 
-      PropertySheetDocument.importFromFilesystemDefinition(self, klass)
-
-    if REQUEST is not None:
+      try:
+        PropertySheetDocument.importFromFilesystemDefinition(self, klass)
+      except BadRequest:
+        if name in KNOWN_BROKEN_PROPERTY_SHEET_DICT:
+          LOG('PropertySheetTool', WARNING, 'Failed to import %s with error:' % (
+            name, ), error=True)
+          # Don't fail, this property sheet is known to have been broken in the
+          # past, this site might be upgrading from such broken version.
+          append(name)
+        else:
+          raise
+
+    if REQUEST is None:
+      return failed_import
+    else:
       portal = self.getPortalObject()
-      message = portal.Base_translateString('Property Sheets successfully'\
-                                          ' imported from filesystem to ZODB.')
+      base_message = 'Property Sheets successfully imported from ' \
+        'filesystem to ZODB.'
+      mapping = {}
+      if failed_import:
+        base_message =+ ' These property sheets failed to be imported: ' \
+          '$failed_import . You must update the following business ' \
+          'templates to have fixed version of these property sheets: ' \
+          '$business_templates'
+        mapping['failed_import'] = ', '.join(failed_import)
+        mapping['business_templates'] = ', '.join(set(
+          KNOWN_BROKEN_PROPERTY_SHEET_DICT[x] for x in failed_import))
+      message = portal.Base_translateString(base_message, mapping=mapping)
       return self.Base_redirect('view',
                                 keep_items={'portal_status_message': message})