|
1
|
|
|
from __future__ import annotations |
|
2
|
|
|
|
|
3
|
|
|
from importlib import import_module |
|
4
|
|
|
from importlib.util import find_spec |
|
5
|
|
|
from shutil import which |
|
6
|
|
|
from types import ModuleType |
|
7
|
|
|
|
|
8
|
|
|
|
|
9
|
|
|
def _check_module(*, module: str, extra: str, package: str | None = None) -> None: |
|
10
|
|
|
if find_spec(module) is None: |
|
11
|
|
|
name = module if package is None else package |
|
12
|
|
|
message = ( |
|
13
|
|
|
f'The `{name}` package is required for this.' |
|
14
|
|
|
f' Install TorchIO with the `{extra}` extra:' |
|
15
|
|
|
f' `pip install torchio[{extra}]`.' |
|
16
|
|
|
) |
|
17
|
|
|
raise ImportError(message) |
|
18
|
|
|
|
|
19
|
|
|
|
|
20
|
|
|
def _check_and_import(module: str, extra: str, **kwargs) -> ModuleType: |
|
21
|
|
|
_check_module(module=module, extra=extra, **kwargs) |
|
22
|
|
|
return import_module(module) |
|
23
|
|
|
|
|
24
|
|
|
|
|
25
|
|
|
def get_pandas() -> ModuleType: |
|
26
|
|
|
return _check_and_import(module='pandas', extra='csv') |
|
27
|
|
|
|
|
28
|
|
|
|
|
29
|
|
|
def get_distinctipy() -> ModuleType: |
|
30
|
|
|
return _check_and_import(module='distinctipy', extra='plot') |
|
31
|
|
|
|
|
32
|
|
|
|
|
33
|
|
|
def get_ffmpeg() -> ModuleType: |
|
34
|
|
|
ffmpeg = _check_and_import(module='ffmpeg', extra='video', package='ffmpeg-python') |
|
35
|
|
|
_check_executable('ffmpeg') |
|
36
|
|
|
return ffmpeg |
|
37
|
|
|
|
|
38
|
|
|
|
|
39
|
|
|
def get_sklearn() -> ModuleType: |
|
40
|
|
|
return _check_and_import(module='sklearn', extra='sklearn', package='scikit-learn') |
|
41
|
|
|
|
|
42
|
|
|
|
|
43
|
|
|
def _check_executable(executable: str) -> None: |
|
44
|
|
|
if which(executable) is None: |
|
45
|
|
|
message = ( |
|
46
|
|
|
f'The `{executable}` executable is required for this. Install it from your' |
|
47
|
|
|
' package manager or download it from the official website.' |
|
48
|
|
|
) |
|
49
|
|
|
raise FileNotFoundError(message) |
|
50
|
|
|
|
TorchIO-project /
torchio
