876                 bin_id = bin(id[:len(id) & ~1]) # grab an even number of digits

   876                 l = len(id) / 2  # grab an even number of digits

   877                 node = None

   877                 bin_id = bin(id[:l*2])

   878                 for n in self.nodemap:

   878                 nl = [n for n in self.nodemap if n[:l] == bin_id]

   879                     if n.startswith(bin_id) and hex(n).startswith(id):

   879                 nl = [n for n in nl if hex(n).startswith(id)]

   880                         if node is not None:

   880                 if len(nl) > 0:

   881                             raise LookupError(id, self.indexfile,

   881                     if len(nl) == 1:

   882                                               _('ambiguous identifier'))

   882                         return nl[0]

   883                         node = n

   883                     raise LookupError(id, self.indexfile,

   884                 if node is not None:

   884                                       _('ambiguous identifier'))

   885                     return node

   885                 return None