class_docstr: Tests for Numpy indexing translation rules.
class_docstr_tok: ["Tests","for","Numpy","indexing","translation","rules","."]
docstr: Helper method to replace slices with tuples for dynamic indexing args.
docstr_tok: ["Helper","method","to","replace","slices","with","tuples","for","dynamic","indexing","args","."]
code: def _ReplaceSlicesWithTuples(self, idx):
      """Helper method to replace slices with tuples for dynamic indexing args."""
      if isinstance(idx, slice):
          triple = idx.start, idx.stop, idx.step
          isnone = [i for i, elt in enumerate(triple) if elt is None]
          zeros = itertools.repeat(0)
          nones = itertools.repeat(None)
          out = subvals(triple, zip(isnone, zeros))
          return out, lambda out: slice(
              *subvals(out, zip(isnone, nones))
          )
      elif isinstance(idx, (tuple, list)) and idx:
          t = type(idx)
          elts, packs = zip(*map(self._ReplaceSlicesWithTuples, idx))
          return elts, lambda elts: t(
              (pack(i) for pack, i in zip(packs, elts))
          )
      else:
          return idx, lambda x: x
  
imports: import collections
  import enum
  from functools import partial
  import itertools
  import unittest
  from absl.testing import absltest
  from absl.testing import parameterized
  import numpy
  from tensorflow.python.framework import config
  from tensorflow.python.ops.numpy_ops.tests.config import config
  import tensorflow.python.ops.numpy_ops.tests.extensions
  import tensorflow.python.ops.numpy_ops.tests.np_wrapper
  import tensorflow.python.ops.numpy_ops.tests.test_util
  from tensorflow.python.util import nest
label_desc: Use image node_id 2 for calling the IndexingTest obj's underlying member method code with example usage: obj._ReplaceSlicesWithTuples(idx) and returns: out,  function, elts,  function, idx,  function