bug corrected, do not clear read only fields

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@855 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/Form.py

@@ -41,6 +41,7 @@ from AccessControl import Unauthorized, getSecurityManager, ClassSecurityInfo
 from Products.ERP5Type.Utils import UpperCase
 
 import psyco
+import sys
 
 # Patch the fiels methods to provide improved namespace handling
 
@@ -90,7 +91,7 @@ class ERP5Field(Field):
             except:
               # We add this safety exception to make sure we always get
               # something reasonable rather than generate plenty of errors
-              LOG('ERP5Form.get_value, exception on tales_expr: ',0,'')
+              LOG('ERP5Form.get_value, exception on tales_expr: ',0,'',error=sys.exc_info())
               value = self.get_orig_value(id)
         else:
             # FIXME: backwards compat hack to make sure overrides dict exists
@@ -151,7 +152,7 @@ class ERP5Field(Field):
             value = REQUEST.form[key]
         except (KeyError, AttributeError):
             # fall back on default
-            return self.get_value('default',REQUEST=REQUEST) # It was missing on Formulator
+            return self.get_value('default',REQUEST=REQUEST) # The request was missing on Formulator
         
         # if we enter a string value while the field expects unicode,
         # convert to unicode first
@@ -371,6 +372,8 @@ class ERP5Form(ZMIForm, ZopePageTemplate):
             # skip any field we don't need to validate
             if not field.need_validate(REQUEST):
                 continue
+            if not (field.get_value('editable')):
+                continue
             try:
                 value = field.validate(REQUEST)
                 # store under id