first commit

__init__.py

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+from .nodes import (
+    image_crop_circle,
+)
+
+NODE_CLASS_MAPPINGS = {
+    **image_crop_circle.NODE_CLASS_MAPPINGS,
+}

nodes/image_crop_circle.py

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+import numpy as np
+from PIL import Image, ImageDraw
+
+
+class ImageCropCircle:
+
+    @classmethod
+    def INPUT_TYPES(s):
+        return {
+            "required": {
+                "image": ("IMAGE",),
+            }
+        }
+
+    RETURN_TYPES = ("IMAGE",)
+    FUNCTION = "crop_circle"
+
+    CATEGORY = "image/crop"
+
+    def crop_circle(self, image):
+        size = min(image.size)
+        mask = Image.new("L", (size, size), 0)
+        draw = ImageDraw.Draw(mask)
+        draw.ellipse((0, 0, size, size), fill=255)
+        result = Image.new("RGBA", (size, size))
+        result.paste(image, (0, 0), mask)
+        return (result,)
+
+
+# A dictionary that contains all nodes you want to export with their names
+# NOTE: names should be globally unique
+NODE_CLASS_MAPPINGS = {
+    "ImageCropCircle": ImageCropCircle,
+}
+
+# A dictionary that contains the friendly/humanly readable titles for the nodes
+NODE_DISPLAY_NAME_MAPPINGS = {
+    "ImageCropCircle": "ImageCropCircle",
+}

requirements.txt

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+diffusers
+tqdm
+boto3