41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
import torch
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from typing import Tuple
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class BatchImageGetter:
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"""This node is used to get a single image from a tensor of images by
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index.
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"""
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def __init__(self):
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pass
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@classmethod
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def INPUT_TYPES(s):
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return {
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"required": {
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"images": ("IMAGE",),
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"idx": ("INT", {
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"default": 0,
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"min": 0,
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"step": 1,
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"display": "number"
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}),
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}
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}
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RETURN_TYPES = ("IMAGE", )
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RETURN_NAMES = ("image", )
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FUNCTION = "get_image_by_idx"
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CATEGORY = "PL Data Tools"
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def get_image_by_idx(self, images: torch.Tensor, idx: int
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) -> Tuple[torch.Tensor]:
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if idx >= len(images):
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raise ValueError(f'Index {idx} is out of bounds for the list of '
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f'images. The list has {len(images)} elements. '
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'Please provide an index between 0 '
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f'and {len(images) - 1}.')
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return images[idx].unsqueeze(0),
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