371     if rschema.is_final():

   371     if rschema.is_final():

   372         if rschema in eschema.format_fields:

   372         if rschema in eschema.format_fields:

   373             return None

   373             return None

   374         if targetschema == 'Password':

   374         if targetschema == 'Password':

   375             return StringField(widget=PasswordInput(), **kwargs)

   375             return StringField(widget=PasswordInput(), **kwargs)

   377             constraints = rschema.rproperty(eschema, targetschema, 'constraints')

   377             constraints = rschema.rproperty(eschema, targetschema, 'constraints')

   378             for cstr in constraints:

   378             for cstr in constraints:

   379                 if isinstance(cstr, StaticVocabularyConstraint):

   379                 if isinstance(cstr, StaticVocabularyConstraint):

   380                     raise Exception('rich text field with static vocabulary')

   380                     raise Exception('rich text field with static vocabulary')

   381                 if isinstance(cstr, SizeConstraint) and cstr.max is not None:

   381                 if isinstance(cstr, SizeConstraint) and cstr.max is not None: