39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
#!/usr/bin/env python3
|
|
# Copyright 2010-2025 Google LLC
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
"""Utilities for finding the model associated with a variable/constraint etc.
|
|
|
|
This file is an implementation detail and not part of the MathOpt public API.
|
|
"""
|
|
|
|
from typing import Protocol
|
|
from ortools.math_opt.python.elemental import elemental
|
|
|
|
|
|
class FromModel(Protocol):
|
|
|
|
__slots__ = ()
|
|
|
|
@property
|
|
def elemental(self) -> elemental.Elemental: ...
|
|
|
|
|
|
def model_is_same(e1: FromModel, e2: FromModel) -> None:
|
|
if e1.elemental is not e2.elemental:
|
|
raise ValueError(
|
|
f"Expected two elements from the same model, but observed {e1} from"
|
|
f" model named: '{e1.elemental.model_name!r}', and {e2} from model"
|
|
f" named: '{e2.elemental.model_name!r}'."
|
|
)
|