Source code for mlprodict.onnxrt.ops_cpu.op_einsum
# -*- encoding: utf-8 -*-
# pylint: disable=E0203,E1101,C0111
"""
Runtime operator.
:githublink:`%|py|7`
"""
import numpy
from ._op import OpRun
from ..shape_object import ShapeObject
[docs]class Einsum(OpRun):
atts = {'equation': ''}
python_inputs = ['*inputs']
[docs] def __init__(self, onnx_node, desc=None, **options):
OpRun.__init__(self, onnx_node, desc=desc,
expected_attributes=Einsum.atts,
**options)
[docs] def _run(self, *args): # pylint: disable=W0221
return (numpy.einsum(self.equation, *args), )
[docs] def _infer_shapes(self, *args): # pylint: disable=W0221
return (ShapeObject.einsum_shape(self.equation, *args), )
[docs] def _infer_type(self, *args):
return ShapeObject._infer_merged_type(*args)
[docs] def to_python(self, inputs):
return "import numpy", "return numpy.einsum(equation, *inputs)"