Image attachment uploads

1 files changed, 24 insertions, 0 deletions

diff --git a/core/files.py b/core/files.py
new file mode 100644
index 0000000..c4f4355
--- /dev/null
+++ b/core/files.py
@@ -0,0 +1,24 @@
+import io
+
+import blurhash
+from django.core.files import File
+from PIL import Image, ImageOps
+
+
+def resize_image(image: File, *, size: tuple[int, int]) -> File:
+    """
+    Resizes an image to fit insize the given size (cropping one dimension
+    to fit if needed)
+    """
+    with Image.open(image) as img:
+        resized_image = ImageOps.fit(img, size)
+        new_image_bytes = io.BytesIO()
+        resized_image.save(new_image_bytes, format=img.format)
+        return File(new_image_bytes)
+
+
+def blurhash_image(image) -> str:
+    """
+    Returns the blurhash for an image
+    """
+    return blurhash.encode(image, 4, 4)