|
1
|
|
|
from typing import Type |
|
2
|
|
|
|
|
3
|
|
|
import numpy as np |
|
4
|
|
|
|
|
5
|
|
|
from nptyping._ndarray_meta import _NDArray |
|
6
|
|
|
|
|
7
|
|
|
|
|
8
|
|
|
class NDArray(np.ndarray, _NDArray): |
|
9
|
|
|
""" |
|
10
|
|
|
NDArray is a representation of numpy.ndarray. |
|
11
|
|
|
|
|
12
|
|
|
An Array with any dimensions of any size and any type: |
|
13
|
|
|
>>> NDArray |
|
14
|
|
|
NDArray[(typing.Any, ...), typing.Any] |
|
15
|
|
|
|
|
16
|
|
|
An array with 1 dimension of any size and any type: |
|
17
|
|
|
>>> from typing import Any |
|
18
|
|
|
>>> NDArray[Any] |
|
19
|
|
|
NDArray[(typing.Any,), typing.Any] |
|
20
|
|
|
|
|
21
|
|
|
An array with 1 dimension of size 3 and any type: |
|
22
|
|
|
>>> NDArray[3] |
|
23
|
|
|
NDArray[(3,), typing.Any] |
|
24
|
|
|
|
|
25
|
|
|
An array with any dimensions of any size and type int: |
|
26
|
|
|
>>> NDArray[int] |
|
27
|
|
|
NDArray[(typing.Any, ...), int] |
|
28
|
|
|
|
|
29
|
|
|
An array with 1 dimension of size 3 and type int: |
|
30
|
|
|
>>> NDArray[3, int] |
|
31
|
|
|
NDArray[(3,), int] |
|
32
|
|
|
|
|
33
|
|
|
An array with any dimensions of size 3 and type int: |
|
34
|
|
|
>>> NDArray[(3, ...), int] |
|
35
|
|
|
NDArray[(3, ...), int] |
|
36
|
|
|
|
|
37
|
|
|
An array with 3 dimensions of sizes 3, 3, 5 and type int: |
|
38
|
|
|
>>> NDArray[(3, 3, 5), int] |
|
39
|
|
|
NDArray[(3, 3, 5), int] |
|
40
|
|
|
|
|
41
|
|
|
""" |
|
42
|
|
|
|
|
43
|
|
|
@staticmethod |
|
44
|
|
|
def type_of(arr: np.ndarray) -> Type['NDArray']: |
|
45
|
|
|
""" |
|
46
|
|
|
Return an nptyping.NDArray type T such that isinstance(arr, T). |
|
47
|
|
|
|
|
48
|
|
|
>>> NDArray.type_of(np.array([[1, 2], [3, 4.0]])) |
|
49
|
|
|
NDArray[(2, 2), float64] |
|
50
|
|
|
|
|
51
|
|
|
:param arr: any numpy.ndarray. |
|
52
|
|
|
:return: a nptyping.NDArray. |
|
53
|
|
|
""" |
|
54
|
|
|
return NDArray[arr.shape, arr.dtype] |
|
55
|
|
|
|