fixed issue 1010, error reporting on list:string

VERSION

@@ -1 +1 @@
-Version 2.0.9 (2012-09-16 10:43:34) stable
+Version 2.0.9 (2012-09-16 11:42:59) stable

gluon/html.py

@@ -1745,7 +1745,7 @@ class INPUT(DIV):
         elif not t == 'submit':
             if value is None:
                 self['value'] = _value
-            else:
+            elif not isinstance(value,list):
                 self['_value'] = value
 
     def xml(self):

gluon/sqlhtml.py

@@ -239,11 +239,13 @@ class ListWidget(StringWidget):
         _name = field.name
         if field.type=='list:integer': _class = 'integer'
         else: _class = 'string'
-        requires = field.requires if isinstance(field.requires, (IS_NOT_EMPTY, IS_LIST_OF)) else None
+        requires = field.requires if isinstance(
+            field.requires, (IS_NOT_EMPTY, IS_LIST_OF)) else None
         attributes['_style'] = 'list-style:none'
         items = [LI(INPUT(_id=_id, _class=_class, _name=_name,
-                        value=v, hideerror=True, requires=requires),
+                          value=v, hideerror=k<len(value)-1, 
-                  **attributes)  for v in value or ['']]
+                          requires=requires),
+                    **attributes)  for (k,v) in enumerate(value or [''])]
         script=SCRIPT("""
 // from http://refactormycode.com/codes/694-expanding-input-list-using-jquery
 (function(){

gluon/validators.py

@@ -2329,9 +2329,10 @@ class IS_LIST_OF(Validator):
         new_value = []
         if self.other:
             for item in ivalue:
+                if item.strip():
                     (v, e) = self.other(item)
                     if e:
-                    return (value, e)
+                        return (ivalue, e)
                     else:
                         new_value.append(v)
             ivalue = new_value