#4836: pari types getattr() function ugly and inefficient
---------------------------+------------------------------------------------
   Reporter:  cremona      |       Owner:  was     
       Type:  enhancement  |      Status:  new     
   Priority:  major        |   Milestone:  sage-4.6
  Component:  interfaces   |    Keywords:          
     Author:               |    Upstream:  N/A     
   Reviewer:               |      Merged:          
Work_issues:               |  
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Comment(by jdemeyer):

 As a reference, I grepped such occurances:

 {{{
 sage/rings/number_field/number_field_element.pyx:296:
 Zbasis = self.number_field().pari_nf().getattr('zk')
 sage/rings/number_field/number_field_ideal_rel.py:118:
 self.__pari_rhnf = rnf.rnfidealabstorel(nf.getattr('zk')*L_hnf)
 sage/rings/number_field/number_field.py:2614:        cycle_structure =
 eval(str(k.getattr('clgp.cyc')))
 sage/rings/number_field/number_field.py:2617:        gens =
 k.getattr('clgp.gen')
 sage/rings/number_field/number_field.py:3207:            diff =
 self.pari_nf().getattr('diff')
 sage/rings/number_field/number_field.py:3208:            zk_basis =
 self.pari_nf().getattr('zk')
 sage/rings/number_field/number_field.py:4190:            s =
 str(k.getattr('reg'))
 sage/rings/number_field/number_field.py:4274:        r1, r2 =
 self.pari_nf().getattr('sign')
 sage/rings/number_field/number_field_ideal.py:92:    return
 field.pari_nf().getattr('zk') * hnf
 sage/rings/number_field/number_field_ideal.py:119:    alpha = field(
 field.pari_nf().getattr('zk') * ideal[2] )
 sage/rings/number_field/number_field_ideal.py:643:            gens = [
 K(a), K(nf.getattr('zk')*alpha) ]
 sage/rings/number_field/number_field_ideal.py:842:                g =
 K(bnf.getattr('zk') * v[1])
 sage/rings/number_field/number_field_ideal.py:1024:
 self.__smallest_integer = ZZ(self._pari_prime.getattr('p'))
 sage/rings/number_field/number_field_ideal.py:1335:            zk_basis =
 K.pari_nf().getattr('zk')
 sage/rings/number_field/number_field_ideal.py:1337:                prime,
 alpha = p.getattr('gen')
 sage/rings/number_field/number_field_ideal.py:1478:            return
 ZZ(self._pari_prime.getattr('e'))
 sage/rings/number_field/number_field_ideal.py:2008:            sage:
 bid.getattr('clgp')
 sage/rings/number_field/number_field_ideal.py:2013:            if flag==2
 and len(bid.getattr('clgp'))<3:
 sage/rings/number_field/number_field_ideal.py:2069:        inv =
 eval(str(G.getattr('cyc')))
 sage/rings/number_field/number_field_ideal.py:2074:            g =
 G.getattr('gen')
 sage/rings/number_field/number_field_ideal.py:2188:        return
 K(bnf.getattr('zk')*r)
 sage/rings/number_field/number_field_ideal.py:2529:            return
 ZZ(self._pari_prime.getattr('f'))
 }}}

-- 
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4836#comment:5>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
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