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# imports
import typing
# external imports
import PIL.Image
# inner-module imports
from .. import chain
# constants
_FILE_FORMAT_READERS: typing.Sequence[str] = (
# native image formats
__package__ + '._pillow.PillowPreviewReader',
__package__ + '._rawpy.RawpyPreviewReader',
# multiformat readers
__package__ + '._pg.PreviewGeneratorReader',
)
# exports
__all__: typing.Sequence[str] = (
'Preview',
)
## code ##
class Preview(chain.ReaderChain[typing.Callable[[int], PIL.Image.Image]]): # pylint: disable=too-few-public-methods
"""Create a preview from a file."""
def __init__(self, cfg: typing.Optional[typing.Any] = None):
super().__init__(_FILE_FORMAT_READERS, cfg)
## EOF ##
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