#12877: Categories for padics, schemes, and some more rings
-------------------------------------+--------------------------------------
       Reporter:  nthiery            |         Owner:              
           Type:  enhancement        |        Status:  needs_review
       Priority:  major              |     Milestone:  sage-5.1    
      Component:  categories         |    Resolution:              
       Keywords:                     |   Work issues:              
Report Upstream:  N/A                |     Reviewers:              
        Authors:  Nicolas M. ThiƩry  |     Merged in:              
   Dependencies:                     |      Stopgaps:              
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Comment (by SimonKing):

 But it is really strange:
 {{{
 sage: MyParent.__getattr__
 <method '__getattr__' of
 '_mnt_local_king__sage_temp_mpc622_12258_tmp_4_spyx_0.MyParent' objects>
 sage: Parent.__getattr__
 ---------------------------------------------------------------------------
 AttributeError                            Traceback (most recent call
 last)

 /mnt/local/king/SAGE/experiment/notebook/sage-5.1.notebook/devel/sage-
 main/<ipython console> in <module>()

 AttributeError: type object 'sage.structure.parent.Parent' has no
 attribute '__getattr__'
 }}}

 So, why is `Parent.__getattr__` seemingly unavailable, although it is
 frequently used?

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/12877#comment:6>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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