σ ΤΛήKc@s.dZdZd„Zdd„Zd„ZdS(siCompute a resolution order for an object and its bases $Id: ro.py 110536 2010-04-06 02:59:44Z tseaver $ trestructuredtextcCstt|ƒgƒS(s/Compute a "resolution order" for an object (tmergeOrderingst_flatten(tobject((s5/usr/lib/python2.7/dist-packages/zope/interface/ro.pytroscCs‘|dkri}ng}|jƒx[|D]S}t|ƒ}|jƒx4|D],}||krOd||<|j|ƒqOqOWq,W|jƒ|S(s‘Merge multiple orderings so that within-ordering order is preserved Orderings are constrained in such a way that if an object appears in two or more orderings, then the suffix that begins with the object must be in both orderings. For example: >>> _mergeOrderings([ ... ['x', 'y', 'z'], ... ['q', 'z'], ... [1, 3, 5], ... ['z'] ... ]) ['x', 'y', 'q', 1, 3, 5, 'z'] iN(tNonetreversetlisttappend(t orderingstseentresulttorderingto((s5/usr/lib/python2.7/dist-packages/zope/interface/ro.pyRs          cCsD|g}d}x.t|ƒD] }|d7}|j|||+qW|S(Nii(titert __bases__(tobR ti((s5/usr/lib/python2.7/dist-packages/zope/interface/ro.pyR<s   N(t__doc__t __docformat__RRRR(((s5/usr/lib/python2.7/dist-packages/zope/interface/ro.pyts  "