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- import numpy as np
- __all__ = ['image_stack', 'push', 'pop']
- # Shared image queue
- image_stack = []
- def push(img):
- """Push an image onto the shared image stack.
- Parameters
- ----------
- img : ndarray
- Image to push.
- """
- if not isinstance(img, np.ndarray):
- raise ValueError("Can only push ndarrays to the image stack.")
- image_stack.append(img)
- def pop():
- """Pop an image from the shared image stack.
- Returns
- -------
- img : ndarray
- Image popped from the stack.
- """
- return image_stack.pop()
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