




'''simple docstring'''


from typing import Dict, List, Optional, Union

import numpy as np

from transformers.utils import is_vision_available
from transformers.utils.generic import TensorType

from ...image_processing_utils import BaseImageProcessor, BatchFeature, get_size_dict
from ...image_transforms import (
    center_crop,
    get_resize_output_image_size,
    normalize,
    rescale,
    resize,
    to_channel_dimension_format,
)
from ...image_utils import (
    IMAGENET_STANDARD_MEAN,
    IMAGENET_STANDARD_STD,
    ChannelDimension,
    ImageInput,
    PILImageResampling,
    is_valid_image,
    to_numpy_array,
    valid_images,
)
from ...utils import logging


if is_vision_available():
				import PIL

_snake_case   :   str     							=	logging.get_logger(__name__)
def 	snake_case_					(UpperCamelCase :						Optional[int]   ):





							'''simple docstring'''


							if isinstance(UpperCamelCase				,		(list, tuple)   ) and isinstance(videos[0]				,		(list, tuple)   ) and is_valid_image(videos[0][0]   ):
														return videos

							elif isinstance(UpperCamelCase				,		(list, tuple)   ) and is_valid_image(videos[0]   ):
														return [videos]

							elif is_valid_image(UpperCamelCase   ):
														return [[videos]]

							raise ValueError(f'Could not make batched video from {videos}'   )

class     A					(	_a					):
							lowercase_           =       ['pixel_values']







							def __init__(						self :						List[Any]							,    lowerCAmelCase_ :						bool = True							,    lowerCAmelCase_ :						Dict[str, int] = None							,    lowerCAmelCase_ :						PILImageResampling = PILImageResampling.BILINEAR							,    lowerCAmelCase_ :						bool = True							,    lowerCAmelCase_ :						Dict[str, int] = None							,    lowerCAmelCase_ :						bool = True							,    lowerCAmelCase_ :						Union[int, float] = 1 / 2_55							,    lowerCAmelCase_ :						bool = True							,    lowerCAmelCase_ :						bool = True							,    lowerCAmelCase_ :						Optional[Union[float, List[float]]] = None							,    lowerCAmelCase_ :						Optional[Union[float, List[float]]] = None							,    **lowerCAmelCase_ :						List[str]							,    )    ->							None:


														"""simple docstring"""


														super().__init__(**lowerCAmelCase_      )
														_a			  =       size if size is not None else {'''shortest_edge''': 2_56}
														_a			  =       get_size_dict(lowerCAmelCase_							,    default_to_square=lowerCAmelCase_      )
														_a			  =       crop_size if crop_size is not None else {'''height''': 2_24, '''width''': 2_24}
														_a			  =       get_size_dict(lowerCAmelCase_							,    param_name='''crop_size'''      )

														_a			  =       do_resize
														_a			  =       size
														_a			  =       do_center_crop
														_a			  =       crop_size
														_a			  =       resample
														_a			  =       do_rescale
														_a			  =       rescale_factor
														_a			  =       offset
														_a			  =       do_normalize
														_a			  =       image_mean if image_mean is not None else IMAGENET_STANDARD_MEAN
														_a			  =       image_std if image_std is not None else IMAGENET_STANDARD_STD







							def      __lowerCAmelCase    (						self :						List[str]							,    lowerCAmelCase_ :						np.ndarray							,    lowerCAmelCase_ :						Dict[str, int]							,    lowerCAmelCase_ :						PILImageResampling = PILImageResampling.BILINEAR							,    lowerCAmelCase_ :						Optional[Union[str, ChannelDimension]] = None							,    **lowerCAmelCase_ :						Union[str, Any]							,    )    ->							np.ndarray:


														"""simple docstring"""


														_a			  =       get_size_dict(lowerCAmelCase_							,    default_to_square=lowerCAmelCase_      )
														if "shortest_edge" in size:
																					_a			  =       get_resize_output_image_size(lowerCAmelCase_							,    size['''shortest_edge''']							,    default_to_square=lowerCAmelCase_      )
														elif "height" in size and "width" in size:
																					_a			  =       (size['''height'''], size['''width'''])
														else:
																					raise ValueError(F'Size must have \'height\' and \'width\' or \'shortest_edge\' as keys. Got {size.keys()}'      )
														return resize(lowerCAmelCase_							,    size=lowerCAmelCase_							,    resample=lowerCAmelCase_							,    data_format=lowerCAmelCase_							,    **lowerCAmelCase_      )







							def      __lowerCAmelCase    (						self :						Optional[Any]							,    lowerCAmelCase_ :						np.ndarray							,    lowerCAmelCase_ :						Dict[str, int]							,    lowerCAmelCase_ :						Optional[Union[str, ChannelDimension]] = None							,    **lowerCAmelCase_ :						Tuple							,    )    ->							np.ndarray:


														"""simple docstring"""


														_a			  =       get_size_dict(lowerCAmelCase_      )
														if "height" not in size or "width" not in size:
																					raise ValueError(F'Size must have \'height\' and \'width\' as keys. Got {size.keys()}'      )
														return center_crop(lowerCAmelCase_							,    size=(size['''height'''], size['''width'''])							,    data_format=lowerCAmelCase_							,    **lowerCAmelCase_      )







							def      __lowerCAmelCase    (						self :						List[Any]							,    lowerCAmelCase_ :						np.ndarray							,    lowerCAmelCase_ :						Union[int, float]							,    lowerCAmelCase_ :						bool = True							,    lowerCAmelCase_ :						Optional[Union[str, ChannelDimension]] = None							,    **lowerCAmelCase_ :						Any							,    )    ->							Optional[Any]:


														"""simple docstring"""


														_a			  =       image.astype(np.floataa      )
														if offset:
																					_a			  =       image - (scale / 2)
														return rescale(lowerCAmelCase_							,    scale=lowerCAmelCase_							,    data_format=lowerCAmelCase_							,    **lowerCAmelCase_      )







							def      __lowerCAmelCase    (						self :						List[Any]							,    lowerCAmelCase_ :						np.ndarray							,    lowerCAmelCase_ :						Union[float, List[float]]							,    lowerCAmelCase_ :						Union[float, List[float]]							,    lowerCAmelCase_ :						Optional[Union[str, ChannelDimension]] = None							,    **lowerCAmelCase_ :						Union[str, Any]							,    )    ->							np.ndarray:


														"""simple docstring"""


														return normalize(lowerCAmelCase_							,    mean=lowerCAmelCase_							,    std=lowerCAmelCase_							,    data_format=lowerCAmelCase_							,    **lowerCAmelCase_      )







							def      __lowerCAmelCase    (						self :						Tuple							,    lowerCAmelCase_ :						ImageInput							,    lowerCAmelCase_ :						bool = None							,    lowerCAmelCase_ :						Dict[str, int] = None							,    lowerCAmelCase_ :						PILImageResampling = None							,    lowerCAmelCase_ :						bool = None							,    lowerCAmelCase_ :						Dict[str, int] = None							,    lowerCAmelCase_ :						bool = None							,    lowerCAmelCase_ :						float = None							,    lowerCAmelCase_ :						bool = None							,    lowerCAmelCase_ :						bool = None							,    lowerCAmelCase_ :						Optional[Union[float, List[float]]] = None							,    lowerCAmelCase_ :						Optional[Union[float, List[float]]] = None							,    lowerCAmelCase_ :						Optional[ChannelDimension] = ChannelDimension.FIRST							,    )    ->							np.ndarray:


														"""simple docstring"""


														if do_resize and size is None or resample is None:
																					raise ValueError('''Size and resample must be specified if do_resize is True.'''      )

														if do_center_crop and crop_size is None:
																					raise ValueError('''Crop size must be specified if do_center_crop is True.'''      )

														if do_rescale and rescale_factor is None:
																					raise ValueError('''Rescale factor must be specified if do_rescale is True.'''      )

														if do_normalize and (image_mean is None or image_std is None):
																					raise ValueError('''Image mean and std must be specified if do_normalize is True.'''      )

														if offset and not do_rescale:
																					raise ValueError('''For offset, do_rescale must also be set to True.'''      )

														# All transformations expect numpy arrays.
														_a			  =       to_numpy_array(lowerCAmelCase_      )

														if do_resize:
																					_a			  =       self.resize(image=lowerCAmelCase_							,    size=lowerCAmelCase_							,    resample=lowerCAmelCase_      )

														if do_center_crop:
																					_a			  =       self.center_crop(lowerCAmelCase_							,    size=lowerCAmelCase_      )

														if do_rescale:
																					_a			  =       self.rescale(image=lowerCAmelCase_							,    scale=lowerCAmelCase_							,    offset=lowerCAmelCase_      )

														if do_normalize:
																					_a			  =       self.normalize(image=lowerCAmelCase_							,    mean=lowerCAmelCase_							,    std=lowerCAmelCase_      )

														_a			  =       to_channel_dimension_format(lowerCAmelCase_							,    lowerCAmelCase_      )
														return image







							def      __lowerCAmelCase    (						self :						str							,    lowerCAmelCase_ :						ImageInput							,    lowerCAmelCase_ :						bool = None							,    lowerCAmelCase_ :						Dict[str, int] = None							,    lowerCAmelCase_ :						PILImageResampling = None							,    lowerCAmelCase_ :						bool = None							,    lowerCAmelCase_ :						Dict[str, int] = None							,    lowerCAmelCase_ :						bool = None							,    lowerCAmelCase_ :						float = None							,    lowerCAmelCase_ :						bool = None							,    lowerCAmelCase_ :						bool = None							,    lowerCAmelCase_ :						Optional[Union[float, List[float]]] = None							,    lowerCAmelCase_ :						Optional[Union[float, List[float]]] = None							,    lowerCAmelCase_ :						Optional[Union[str, TensorType]] = None							,    lowerCAmelCase_ :						ChannelDimension = ChannelDimension.FIRST							,    **lowerCAmelCase_ :						Any							,    )    ->							PIL.Image.Image:


														"""simple docstring"""


														_a			  =       do_resize if do_resize is not None else self.do_resize
														_a			  =       resample if resample is not None else self.resample
														_a			  =       do_center_crop if do_center_crop is not None else self.do_center_crop
														_a			  =       do_rescale if do_rescale is not None else self.do_rescale
														_a			  =       rescale_factor if rescale_factor is not None else self.rescale_factor
														_a			  =       offset if offset is not None else self.offset
														_a			  =       do_normalize if do_normalize is not None else self.do_normalize
														_a			  =       image_mean if image_mean is not None else self.image_mean
														_a			  =       image_std if image_std is not None else self.image_std

														_a			  =       size if size is not None else self.size
														_a			  =       get_size_dict(lowerCAmelCase_							,    default_to_square=lowerCAmelCase_      )
														_a			  =       crop_size if crop_size is not None else self.crop_size
														_a			  =       get_size_dict(lowerCAmelCase_							,    param_name='''crop_size'''      )

														if not valid_images(lowerCAmelCase_      ):
																					raise ValueError(
																					    '''Invalid image type. Must be of type PIL.Image.Image, numpy.ndarray, '''
																					    '''torch.Tensor, tf.Tensor or jax.ndarray.'''      )

														_a			  =       make_batched(lowerCAmelCase_      )

														_a			  =       [
														    [
														        self._preprocess_image(
														            image=lowerCAmelCase_							,    do_resize=lowerCAmelCase_							,    size=lowerCAmelCase_							,    resample=lowerCAmelCase_							,    do_center_crop=lowerCAmelCase_							,    crop_size=lowerCAmelCase_							,    do_rescale=lowerCAmelCase_							,    rescale_factor=lowerCAmelCase_							,    offset=lowerCAmelCase_							,    do_normalize=lowerCAmelCase_							,    image_mean=lowerCAmelCase_							,    image_std=lowerCAmelCase_							,    data_format=lowerCAmelCase_							,    )
														        for img in video
														    ]
														    for video in videos
														]

														_a			  =       {'''pixel_values''': videos}
														return BatchFeature(data=lowerCAmelCase_							,    tensor_type=lowerCAmelCase_      )







'''simple docstring'''


_snake_case   :   Any     							=	{
    'A': ['B', 'C', 'E'],
    'B': ['A', 'D', 'E'],
    'C': ['A', 'F', 'G'],
    'D': ['B'],
    'E': ['A', 'B', 'D'],
    'F': ['C'],
    'G': ['C'],
}
def 	snake_case_					(UpperCamelCase :						dict				,		UpperCamelCase :						Dict				,		UpperCamelCase :						Optional[int]   ):





							'''simple docstring'''


							_a			  =       set()
							# keep track of all the paths to be checked
							_a			  =       [[start]]

							# return path if start is goal
							if start == goal:
														return [start]

							# keeps looping until all possible paths have been checked
							while queue:
														# pop the first path from the queue
														_a			  =       queue.pop(0   )
														# get the last node from the path
														_a			  =       path[-1]
														if node not in explored:
																					_a			  =       graph[node]
																					# go through all neighbour nodes, construct a new path and
																					# push it into the queue
																					for neighbour in neighbours:
																												_a			  =       list(UpperCamelCase   )
																												new_path.append(UpperCamelCase   )
																												queue.append(UpperCamelCase   )
																												# return path if neighbour is goal
																												if neighbour == goal:
																																			return new_path

            # mark node as explored
																					explored.add(UpperCamelCase   )

    # in case there's no path between the 2 nodes
							return []
def 	snake_case_					(UpperCamelCase :						dict				,		UpperCamelCase :						Optional[int]				,		UpperCamelCase :						Dict   ):





							'''simple docstring'''


							if not graph or start not in graph or target not in graph:
														return -1
							if start == target:
														return 0
							_a			  =       [start]
							_a			  =       set(UpperCamelCase   )
							# Keep tab on distances from `start` node.
							_a			  =       {start: 0, target: -1}
							while queue:
														_a			  =       queue.pop(0   )
														if node == target:
																					_a			  =       (
																					    dist[node] if dist[target] == -1 else min(dist[target]				,		dist[node]   )
																					)
														for adjacent in graph[node]:
																					if adjacent not in visited:
																												visited.add(UpperCamelCase   )
																												queue.append(UpperCamelCase   )
																												_a			  =       dist[node] + 1
							return dist[target]


if __name__ == "__main__":
				print(bfs_shortest_path(demo_graph, 'G', 'D'))  # returns ['G', 'C', 'A', 'B', 'D']
				print(bfs_shortest_path_distance(demo_graph, 'G', 'D'))  # returns 4

