



'''simple docstring'''

import gc
import tempfile
import unittest

import numpy as np
import torch

from diffusers import VersatileDiffusionTextToImagePipeline
from diffusers.utils.testing_utils import nightly, require_torch_gpu, torch_device


__lowerCAmelCase						      =       False

class      __magic_name__						(   unittest.TestCase       ):
							pass

@nightly
@require_torch_gpu
class      __magic_name__						(   unittest.TestCase       ):







							def 							__lowercase      (							self :	Tuple		):
									# clean up the VRAM after each test
									super().tearDown()
									gc.collect()
									torch.cuda.empty_cache()







							def 							__lowercase      (							self :	List[str]		):
									_a					:				Any				=							VersatileDiffusionTextToImagePipeline.from_pretrained('shi-labs/versatile-diffusion'		)
									# remove text_unet
									pipe.remove_unused_weights()
									pipe.to(_UpperCAmelCase		)
									pipe.set_progress_bar_config(disable=_UpperCAmelCase		)

									_a					:				Optional[Any]				=							'A painting of a squirrel eating a burger '
									_a					:				Dict				=							torch.manual_seed(0		)
									_a					:				str				=							pipe(
									    prompt=_UpperCAmelCase     ,generator=_UpperCAmelCase     ,guidance_scale=7.5     ,num_inference_steps=2     ,output_type='numpy'		).images

									with tempfile.TemporaryDirectory() as tmpdirname:
											pipe.save_pretrained(_UpperCAmelCase		)
											_a					:				int				=							VersatileDiffusionTextToImagePipeline.from_pretrained(_UpperCAmelCase		)
									pipe.to(_UpperCAmelCase		)
									pipe.set_progress_bar_config(disable=_UpperCAmelCase		)

									_a					:				Union[str, Any]				=							generator.manual_seed(0		)
									_a					:				str				=							pipe(
									    prompt=_UpperCAmelCase     ,generator=_UpperCAmelCase     ,guidance_scale=7.5     ,num_inference_steps=2     ,output_type='numpy'		).images

									assert np.abs(image - new_image		).sum() < 1E-5, "Models don't have the same forward pass"







							def 							__lowercase      (							self :	Dict		):
									_a					:				Optional[int]				=							VersatileDiffusionTextToImagePipeline.from_pretrained(
									    'shi-labs/versatile-diffusion'     ,torch_dtype=torch.floataa		)
									pipe.to(_UpperCAmelCase		)
									pipe.set_progress_bar_config(disable=_UpperCAmelCase		)

									_a					:				str				=							'A painting of a squirrel eating a burger '
									_a					:				str				=							torch.manual_seed(0		)
									_a					:				Optional[Any]				=							pipe(
									    prompt=_UpperCAmelCase     ,generator=_UpperCAmelCase     ,guidance_scale=7.5     ,num_inference_steps=50     ,output_type='numpy'		).images

									_a					:				int				=							image[0, 253:256, 253:256, -1]

									assert image.shape == (1, 512, 512, 3)
									_a					:				List[str]				=							np.array([0.33_67, 0.31_69, 0.26_56, 0.38_70, 0.47_90, 0.37_96, 0.40_09, 0.48_78, 0.47_78]		)

									assert np.abs(image_slice.flatten() - expected_slice		).max() < 1E-2









'''simple docstring'''

from __future__ import annotations

from collections.abc import Iterator
from typing import Any

class      __magic_name__						:







							def __init__(							self :	Dict     ,_UpperCAmelCase :	Any		):
									_a					:				Any				=							data
									_a					:				Node | None				=							None

class      __magic_name__						:







							def __init__(							self :	Any		):
									_a					:				int				=							None
									_a					:				Optional[int]				=							None







							def __iter__(							self :	Optional[int]		):
									_a					:				List[Any]				=							self.head
									while self.head:
											yield node.data
											_a					:				str				=							node.next
											if node == self.head:
													break







							def __len__(							self :	Any		):
									return sum(1 for _ in self		)







							def __repr__(							self :	int		):
									return "->".join(str(_UpperCAmelCase		) for item in iter(self		)		)







							def 							__lowercase      (							self :	Optional[Any]     ,_UpperCAmelCase :	Any		):
									self.insert_nth(len(self		)     ,_UpperCAmelCase		)







							def 							__lowercase      (							self :	str     ,_UpperCAmelCase :	Any		):
									self.insert_nth(0     ,_UpperCAmelCase		)







							def 							__lowercase      (							self :	List[str]     ,_UpperCAmelCase :	int     ,_UpperCAmelCase :	Any		):
									if index < 0 or index > len(self		):
											raise IndexError('list index out of range.'		)
									_a					:				List[str]				=							Node(_UpperCAmelCase		)
									if self.head is None:
											_a					:				Tuple				=							new_node  # first node points itself
											_a					:				int				=							new_node
									elif index == 0:  # insert at head
											_a					:				Any				=							self.head
											_a					:				Tuple				=							new_node
									else:
											_a					:				Any				=							self.head
											for _ in range(index - 1		):
													_a					:				int				=							temp.next
											_a					:				Optional[int]				=							temp.next
											_a					:				int				=							new_node
											if index == len(self		) - 1:  # insert at tail
													_a					:				Optional[int]				=							new_node







							def 							__lowercase      (							self :	List[Any]		):
									return self.delete_nth(0		)







							def 							__lowercase      (							self :	Dict		):
									return self.delete_nth(len(self		) - 1		)







							def 							__lowercase      (							self :	Union[str, Any]     ,_UpperCAmelCase :	int = 0		):
									if not 0 <= index < len(self		):
											raise IndexError('list index out of range.'		)
									_a					:				Optional[int]				=							self.head
									if self.head == self.tail:  # just one node
											_a					:				Optional[int]				=							None
									elif index == 0:  # delete head node
											_a					:				Dict				=							self.tail.next.next
											_a					:				Dict				=							self.head.next
									else:
											_a					:				List[Any]				=							self.head
											for _ in range(index - 1		):
													_a					:				Union[str, Any]				=							temp.next
											_a					:				Optional[int]				=							temp.next
											_a					:				List[str]				=							temp.next.next
											if index == len(self		) - 1:  # delete at tail
													_a					:				int				=							temp
									return delete_node.data







							def 							__lowercase      (							self :	int		):
									return len(self		) == 0



def 					__lowerCamelCase					(				)      ->				None:
		_a					:				int				=							CircularLinkedList()
		assert len(lowerCAmelCase_  ) == 0
		assert circular_linked_list.is_empty() is True
		assert str(lowerCAmelCase_  ) == ""

		try:
				circular_linked_list.delete_front()
				raise AssertionError  # This should not happen
		except IndexError:
				assert True  # This should happen

		try:
				circular_linked_list.delete_tail()
				raise AssertionError  # This should not happen
		except IndexError:
				assert True  # This should happen

		try:
				circular_linked_list.delete_nth(-1  )
				raise AssertionError
		except IndexError:
				assert True

		try:
				circular_linked_list.delete_nth(0  )
				raise AssertionError
		except IndexError:
				assert True

		assert circular_linked_list.is_empty() is True
		for i in range(5  ):
				assert len(lowerCAmelCase_  ) == i
				circular_linked_list.insert_nth(lowerCAmelCase_						,      i + 1  )
		assert str(lowerCAmelCase_  ) == "->".join(str(lowerCAmelCase_  ) for i in range(1						,      6  )  )

		circular_linked_list.insert_tail(6  )
		assert str(lowerCAmelCase_  ) == "->".join(str(lowerCAmelCase_  ) for i in range(1						,      7  )  )
		circular_linked_list.insert_head(0  )
		assert str(lowerCAmelCase_  ) == "->".join(str(lowerCAmelCase_  ) for i in range(0						,      7  )  )

		assert circular_linked_list.delete_front() == 0
		assert circular_linked_list.delete_tail() == 6
		assert str(lowerCAmelCase_  ) == "->".join(str(lowerCAmelCase_  ) for i in range(1						,      6  )  )
		assert circular_linked_list.delete_nth(2  ) == 3

		circular_linked_list.insert_nth(2						,      3  )
		assert str(lowerCAmelCase_  ) == "->".join(str(lowerCAmelCase_  ) for i in range(1						,      6  )  )

		assert circular_linked_list.is_empty() is False


if __name__ == "__main__":
							import doctest

							doctest.testmod()




