Coverage for mlprodict/onnxrt/ops_cpu/op_concat_from_sequence.py: 88%

1# -*- encoding: utf-8 -*- 

2# pylint: disable=E0203,E1101,C0111 

3""" 

4@file 

5@brief Runtime operator. 

6""" 

7import numpy 

8from ._op import OpRun 

9 

10 

11def _concat_from_sequence(seq, axis, new_axis=0): 

12 if new_axis == 1: 

13 seq2 = [s[..., numpy.newaxis] for s in seq] 

14 res = numpy.concatenate(seq2, axis=-1) 

15 else: 

16 res = numpy.concatenate(seq, axis=axis) 

17 return res 

18 

19 

20class ConcatFromSequence(OpRun): 

21 

22 atts = {'axis': 0, 'new_axis': 0} 

23 

24 def __init__(self, onnx_node, desc=None, **options): 

25 OpRun.__init__(self, onnx_node, desc=desc, 

26 expected_attributes=ConcatFromSequence.atts, 

27 **options) 

28 

29 def _run(self, seq, attributes=None, verbose=0, fLOG=None): # pylint: disable=W0221 

30 if seq is None: 

31 raise RuntimeError( # pragma: no cover 

32 "A sequence cannot be null.") 

33 res = _concat_from_sequence(seq, self.axis, new_axis=self.new_axis) 

34 return (res, )