Re: [Sqlalchemy-tickets] [sqlalchemy] #2943: @validates on inherited subclasses

[sqlalchemy <mi...@zz...>]

#2943: @validates on inherited subclasses
---------------------------+-------------------------------
      Reporter:  zzzeek    |      Owner:  zzzeek
          Type:  defect    |     Status:  new
      Priority:  high      |  Milestone:  0.9.3
     Component:  orm       |   Severity:  major - 1-3 hours
    Resolution:            |   Keywords:
Progress State:  in queue  |
---------------------------+-------------------------------

Comment (by zzzeek):

 here's a diff for that:

 {{{
 #!python
 diff --git a/lib/sqlalchemy/orm/mapper.py b/lib/sqlalchemy/orm/mapper.py
 index 26f105b..0b2be3a 100644
 --- a/lib/sqlalchemy/orm/mapper.py
 +++ b/lib/sqlalchemy/orm/mapper.py
 @@ -2162,10 +2162,16 @@ class Mapper(_InspectionAttr):
          return bool(m)

      def iterate_to_root(self):
 +        return iter(self._parents)
 +
 +    @_memoized_configured_property
 +    def _parents(self):
 +        parents = []
          m = self
          while m:
 -            yield m
 +            parents.append(m)
              m = m.inherits
 +        return parents

      @_memoized_configured_property
      def self_and_descendants(self):
 }}}

 then call mapper._parents whereever iterate_to_root is now.

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Ticket URL: <http://www.sqlalchemy.org/trac/ticket/2943#comment:3>
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