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[Partner Nodes] Stop adding an opaque alpha channel to API node images (#15369)

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* Stop adding an opaque alpha channel to API node images

bytesio_to_image_tensor converted every downloaded image to RGBA, so nodes
whose API returns no transparency still emitted a 4 channel IMAGE. Keep the
alpha when the decoded image has one, stay RGB when it does not.

---------

Signed-off-by: bigcat88 <bigcat88@icloud.com>
Co-authored-by: bigcat88 <bigcat88@icloud.com>
This commit is contained in:
Christian Byrne
2026-08-15 10:27:24 -07:00
committed by GitHub
parent 0f1fa67ad8
commit a9ab2b62da
7 changed files with 170 additions and 10 deletions
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2
comfy_api_nodes/util/__init__.py
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@@ -18,6 +18,7 @@ from .conversions import (
downscale_image_tensor_by_max_side,
downscale_video_to_max_pixels,
image_tensor_pair_to_batch,
pad_images_to_common_channels,
pil_to_bytesio,
resize_mask_to_image,
tensor_to_base64_string,
@@ -92,6 +93,7 @@ __all__ = [
"downscale_image_tensor_by_max_side",
"downscale_video_to_max_pixels",
"image_tensor_pair_to_batch",
"pad_images_to_common_channels",
"pil_to_bytesio",
"resize_mask_to_image",
"tensor_to_base64_string",