blob: 174d509f8bfc57df1949a9cd3e5d15341ec09432 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
"""
Part of the bsie module.
A copy of the license is provided with the project.
Author: Matthias Baumgartner, 2022
"""
# standard imports
from functools import partial
import typing
# external imports
import PIL.Image
# bsie imports
from bsie.utils import errors
# inner-module imports
from . import utils
from .. import base
# exports
__all__: typing.Sequence[str] = (
'PillowPreviewReader',
)
## code ##
class PillowPreviewReader(base.Reader):
"""Produce previews for image files using the Pillow library."""
def __call__(self, path: str) -> typing.Callable[[int], PIL.Image.Image]:
try:
# open file with PIL
img = PIL.Image.open(path)
# return callback
return partial(utils.resize, img)
except PIL.UnidentifiedImageError as err:
# failed to open, skip file
raise errors.UnsupportedFileFormatError(path) from err
except IOError as err:
raise errors.ReaderError(path) from err
# EOF ##
|
