Coverage for src / cvx / markowitz / types.py: 100%

1# Copyright 2023 Stanford University Convex Optimization Group 

2# 

3# Licensed under the Apache License, Version 2.0 (the "License"); 

4# you may not use this file except in compliance with the License. 

5# You may obtain a copy of the License at 

6# 

7# http://www.apache.org/licenses/LICENSE-2.0 

8# 

9# Unless required by applicable law or agreed to in writing, software 

10# distributed under the License is distributed on an "AS IS" BASIS, 

11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 

12# See the License for the specific language governing permissions and 

13# limitations under the License. 

14"""Common type aliases used across the Markowitz package.""" 

15 

16from os import PathLike 

17from typing import TypeAlias 

18 

19import cvxpy as cp 

20import numpy as np 

21import numpy.typing as npt 

22 

23File = str | bytes | PathLike[str] 

24Parameter = dict[str, cp.Parameter] 

25Variables = dict[str, cp.Variable] 

26Expressions = dict[str, cp.Expression] 

27Constraints = dict[str, cp.Constraint] 

28 

29Matrix: TypeAlias = npt.NDArray[np.float64]