Merge branch 'develop'HEADv0.23.03releasemain

1 files changed, 34 insertions, 0 deletions

diff --git a/bsie/reader/preview/__init__.py b/bsie/reader/preview/__init__.py
new file mode 100644
index 0000000..791a133
--- /dev/null
+++ b/bsie/reader/preview/__init__.py
@@ -0,0 +1,34 @@
+
+# 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 ##