



import functools
import math

import flax.linen as nn
import jax
import jax.numpy as jnp

def       A_   (						__a  :					str			,		__a  :					int			,		__a  :					List[Any]			,		__a  :					Dict			,		__a  :					int = 4_096		):

				"""simple docstring"""
				a__   ,      a__   ,      a__					   =		key.shape[-3:]
				a__					   =		value.shape[-1]
				a__					   =		min(__a			,		__a		)
				a__					   =		query / jnp.sqrt(__a		)

				@functools.partial(jax.checkpoint			,		prevent_cse=__a		)
				def summarize_chunk(__a  :					Optional[Any]			,		__a  :					Tuple			,		__a  :					Dict		):
								a__					   =		jnp.einsum("""...qhd,...khd->...qhk"""			,		__a			,		__a			,		precision=__a		)

								a__					   =		jnp.max(__a			,		axis=-1			,		keepdims=__a		)
								a__					   =		jax.lax.stop_gradient(__a		)
								a__					   =		jnp.exp(attn_weights - max_score		)

								a__					   =		jnp.einsum("""...vhf,...qhv->...qhf"""			,		__a			,		__a			,		precision=__a		)
								a__					   =		jnp.einsum("""...qhk->...qh"""			,		__a		)

								return (exp_values, exp_weights.sum(axis=-1		), max_score)

				def chunk_scanner(__a  :					Tuple		):
								# julienne key array
								a__					   =		jax.lax.dynamic_slice(
								    operand=__a			,		start_indices=[0] * (key.ndim - 3) + [chunk_idx, 0, 0]			,		slice_sizes=list(key.shape[:-3]		) + [key_chunk_size, num_heads, k_features]			,		)

								# julienne value array
								a__					   =		jax.lax.dynamic_slice(
								    operand=__a			,		start_indices=[0] * (value.ndim - 3) + [chunk_idx, 0, 0]			,		slice_sizes=list(value.shape[:-3]		) + [key_chunk_size, num_heads, v_features]			,		)

								return summarize_chunk(__a			,		__a			,		__a		)

				a__   ,      a__   ,      a__					   =		jax.lax.map(f=__a			,		xs=jnp.arange(0			,		__a			,		__a		)		)

				a__					   =		jnp.max(__a			,		axis=0			,		keepdims=__a		)
				a__					   =		jnp.exp(chunk_max - global_max		)

				chunk_values *= jnp.expand_dims(__a			,		axis=-1		)
				chunk_weights *= max_diffs

				a__					   =		chunk_values.sum(axis=0		)
				a__					   =		jnp.expand_dims(__a			,		-1		).sum(axis=0		)

				return all_values / all_weights

def       A_   (						__a  :					Tuple			,		__a  :					List[Any]			,		__a  :					int			,		__a  :					List[str]=jax.lax.Precision.HIGHEST			,		__a  :					int = 1_024			,		__a  :					int = 4_096		):

				"""simple docstring"""
				a__   ,      a__   ,      a__					   =		query.shape[-3:]

				def chunk_scanner(__a  :					List[str]			,		__a  :					List[str]		):
								# julienne query array
								a__					   =		jax.lax.dynamic_slice(
								    operand=__a			,		start_indices=([0] * (query.ndim - 3)) + [chunk_idx, 0, 0]			,		slice_sizes=list(query.shape[:-3]		) + [min(__a			,		__a		), num_heads, q_features]			,		)

								return (
								    chunk_idx + query_chunk_size,  # unused ignore it
								    _query_chunk_attention(
								        query=__a			,		key=__a			,		value=__a			,		precision=__a			,		key_chunk_size=__a		),
								)

				a__   ,      a__					   =		jax.lax.scan(
				    f=__a			,		init=0			,		xs=__a			,		length=math.ceil(num_q / query_chunk_size		)		)

				return jnp.concatenate(__a			,		axis=-3		)  # fuse the chunked result back

class 			__snake_case   ( nn.Module):







							'''simple docstring'''






							UpperCamelCase__					:   int
							UpperCamelCase__					:   int       =       8
							UpperCamelCase__					:   int       =       6_4
							UpperCamelCase__					:   float       =       0.0
							UpperCamelCase__					:   bool       =       False
							UpperCamelCase__					:   jnp.dtype       =       jnp.floataa


							def _a   (				self		):
											a__					   =		self.dim_head * self.heads
											a__					   =		self.dim_head**-0.5

											# Weights were exported with old names {to_q, to_k, to_v, to_out}
											a__					   =		nn.Dense(a_	,	use_bias=a_	,	dtype=self.dtype	,	name="""to_q"""		)
											a__					   =		nn.Dense(a_	,	use_bias=a_	,	dtype=self.dtype	,	name="""to_k"""		)
											a__					   =		nn.Dense(a_	,	use_bias=a_	,	dtype=self.dtype	,	name="""to_v"""		)

											a__					   =		nn.Dense(self.query_dim	,	dtype=self.dtype	,	name="""to_out_0"""		)
											a__					   =		nn.Dropout(rate=self.dropout		)


							def _a   (				self	,	a_		):
											a__   ,      a__   ,      a__					   =		tensor.shape
											a__					   =		self.heads
											a__					   =		tensor.reshape(a_	,	a_	,	a_	,	dim // head_size		)
											a__					   =		jnp.transpose(a_	,	(0, 2, 1, 3)		)
											a__					   =		tensor.reshape(batch_size * head_size	,	a_	,	dim // head_size		)
											return tensor


							def _a   (				self	,	a_		):
											a__   ,      a__   ,      a__					   =		tensor.shape
											a__					   =		self.heads
											a__					   =		tensor.reshape(batch_size // head_size	,	a_	,	a_	,	a_		)
											a__					   =		jnp.transpose(a_	,	(0, 2, 1, 3)		)
											a__					   =		tensor.reshape(batch_size // head_size	,	a_	,	dim * head_size		)
											return tensor







							def __call__(				self	,	a_	,	a_=None	,	a_=True		):
											a__					   =		hidden_states if context is None else context

											a__					   =		self.query(a_		)
											a__					   =		self.key(a_		)
											a__					   =		self.value(a_		)

											a__					   =		self.reshape_heads_to_batch_dim(a_		)
											a__					   =		self.reshape_heads_to_batch_dim(a_		)
											a__					   =		self.reshape_heads_to_batch_dim(a_		)

											if self.use_memory_efficient_attention:
															a__					   =		query_states.transpose(1	,	0	,	2		)
															a__					   =		key_states.transpose(1	,	0	,	2		)
															a__					   =		value_states.transpose(1	,	0	,	2		)

															# this if statement create a chunk size for each layer of the unet
															# the chunk size is equal to the query_length dimension of the deepest layer of the unet

															a__					   =		query_states.shape[-3]
															if flatten_latent_dim % 64 == 0:
																			a__					   =		int(flatten_latent_dim / 64		)
															elif flatten_latent_dim % 16 == 0:
																			a__					   =		int(flatten_latent_dim / 16		)
															elif flatten_latent_dim % 4 == 0:
																			a__					   =		int(flatten_latent_dim / 4		)
															else:
																			a__					   =		int(a_		)

															a__					   =		jax_memory_efficient_attention(
															    a_	,	a_	,	a_	,	query_chunk_size=a_	,	key_chunk_size=4_096 * 4		)

															a__					   =		hidden_states.transpose(1	,	0	,	2		)
											else:
															# compute attentions
															a__					   =		jnp.einsum("""b i d, b j d->b i j"""	,	a_	,	a_		)
															a__					   =		attention_scores * self.scale
															a__					   =		nn.softmax(a_	,	axis=2		)

															# attend to values
															a__					   =		jnp.einsum("""b i j, b j d -> b i d"""	,	a_	,	a_		)

											a__					   =		self.reshape_batch_dim_to_heads(a_		)
											a__					   =		self.proj_attn(a_		)
											return self.dropout_layer(a_	,	deterministic=a_		)




class 			__snake_case   ( nn.Module):







							'''simple docstring'''






							UpperCamelCase__					:   int
							UpperCamelCase__					:   int
							UpperCamelCase__					:   int
							UpperCamelCase__					:   float       =       0.0
							UpperCamelCase__					:   bool       =       False
							UpperCamelCase__					:   jnp.dtype       =       jnp.floataa
							UpperCamelCase__					:   bool       =       False


							def _a   (				self		):
											# self attention (or cross_attention if only_cross_attention is True)
											a__					   =		FlaxAttention(
											    self.dim	,	self.n_heads	,	self.d_head	,	self.dropout	,	self.use_memory_efficient_attention	,	dtype=self.dtype		)
											# cross attention
											a__					   =		FlaxAttention(
											    self.dim	,	self.n_heads	,	self.d_head	,	self.dropout	,	self.use_memory_efficient_attention	,	dtype=self.dtype		)
											a__					   =		FlaxFeedForward(dim=self.dim	,	dropout=self.dropout	,	dtype=self.dtype		)
											a__					   =		nn.LayerNorm(epsilon=1E-5	,	dtype=self.dtype		)
											a__					   =		nn.LayerNorm(epsilon=1E-5	,	dtype=self.dtype		)
											a__					   =		nn.LayerNorm(epsilon=1E-5	,	dtype=self.dtype		)
											a__					   =		nn.Dropout(rate=self.dropout		)







							def __call__(				self	,	a_	,	a_	,	a_=True		):
											# self attention
											a__					   =		hidden_states
											if self.only_cross_attention:
															a__					   =		self.attna(self.norma(a_		)	,	a_	,	deterministic=a_		)
											else:
															a__					   =		self.attna(self.norma(a_		)	,	deterministic=a_		)
											a__					   =		hidden_states + residual

											# cross attention
											a__					   =		hidden_states
											a__					   =		self.attna(self.norma(a_		)	,	a_	,	deterministic=a_		)
											a__					   =		hidden_states + residual

											# feed forward
											a__					   =		hidden_states
											a__					   =		self.ff(self.norma(a_		)	,	deterministic=a_		)
											a__					   =		hidden_states + residual

											return self.dropout_layer(a_	,	deterministic=a_		)




class 			__snake_case   ( nn.Module):







							'''simple docstring'''






							UpperCamelCase__					:   int
							UpperCamelCase__					:   int
							UpperCamelCase__					:   int
							UpperCamelCase__					:   int       =       1
							UpperCamelCase__					:   float       =       0.0
							UpperCamelCase__					:   bool       =       False
							UpperCamelCase__					:   bool       =       False
							UpperCamelCase__					:   jnp.dtype       =       jnp.floataa
							UpperCamelCase__					:   bool       =       False


							def _a   (				self		):
											a__					   =		nn.GroupNorm(num_groups=32	,	epsilon=1E-5		)

											a__					   =		self.n_heads * self.d_head
											if self.use_linear_projection:
															a__					   =		nn.Dense(a_	,	dtype=self.dtype		)
											else:
															a__					   =		nn.Conv(
															    a_	,	kernel_size=(1, 1)	,	strides=(1, 1)	,	padding="""VALID"""	,	dtype=self.dtype	,	)

											a__					   =		[
											    FlaxBasicTransformerBlock(
											        a_	,	self.n_heads	,	self.d_head	,	dropout=self.dropout	,	only_cross_attention=self.only_cross_attention	,	dtype=self.dtype	,	use_memory_efficient_attention=self.use_memory_efficient_attention	,	)
											    for _ in range(self.depth		)
											]

											if self.use_linear_projection:
															a__					   =		nn.Dense(a_	,	dtype=self.dtype		)
											else:
															a__					   =		nn.Conv(
															    a_	,	kernel_size=(1, 1)	,	strides=(1, 1)	,	padding="""VALID"""	,	dtype=self.dtype	,	)

											a__					   =		nn.Dropout(rate=self.dropout		)







							def __call__(				self	,	a_	,	a_	,	a_=True		):
											a__   ,      a__   ,      a__   ,      a__					   =		hidden_states.shape
											a__					   =		hidden_states
											a__					   =		self.norm(a_		)
											if self.use_linear_projection:
															a__					   =		hidden_states.reshape(a_	,	height * width	,	a_		)
															a__					   =		self.proj_in(a_		)
											else:
															a__					   =		self.proj_in(a_		)
															a__					   =		hidden_states.reshape(a_	,	height * width	,	a_		)

											for transformer_block in self.transformer_blocks:
															a__					   =		transformer_block(a_	,	a_	,	deterministic=a_		)

											if self.use_linear_projection:
															a__					   =		self.proj_out(a_		)
															a__					   =		hidden_states.reshape(a_	,	a_	,	a_	,	a_		)
											else:
															a__					   =		hidden_states.reshape(a_	,	a_	,	a_	,	a_		)
															a__					   =		self.proj_out(a_		)

											a__					   =		hidden_states + residual
											return self.dropout_layer(a_	,	deterministic=a_		)




class 			__snake_case   ( nn.Module):







							'''simple docstring'''






							UpperCamelCase__					:   int
							UpperCamelCase__					:   float       =       0.0
							UpperCamelCase__					:   jnp.dtype       =       jnp.floataa


							def _a   (				self		):
											# The second linear layer needs to be called
											# net_2 for now to match the index of the Sequential layer
											a__					   =		FlaxGEGLU(self.dim	,	self.dropout	,	self.dtype		)
											a__					   =		nn.Dense(self.dim	,	dtype=self.dtype		)







							def __call__(				self	,	a_	,	a_=True		):
											a__					   =		self.net_a(a_	,	deterministic=a_		)
											a__					   =		self.net_a(a_		)
											return hidden_states




class 			__snake_case   ( nn.Module):







							'''simple docstring'''






							UpperCamelCase__					:   int
							UpperCamelCase__					:   float       =       0.0
							UpperCamelCase__					:   jnp.dtype       =       jnp.floataa


							def _a   (				self		):
											a__					   =		self.dim * 4
											a__					   =		nn.Dense(inner_dim * 2	,	dtype=self.dtype		)
											a__					   =		nn.Dropout(rate=self.dropout		)







							def __call__(				self	,	a_	,	a_=True		):
											a__					   =		self.proj(a_		)
											a__   ,      a__					   =		jnp.split(a_	,	2	,	axis=2		)
											return self.dropout_layer(hidden_linear * nn.gelu(a_		)	,	deterministic=a_		)









import sys
from typing import Tuple

import numpy as np
import torch
from PIL import Image
from torch import nn

from transformers.image_utils import PILImageResampling
from utils import img_tensorize





class        a__      :






		def __init__(      self							, lowercase__							, lowercase__=sys.maxsize						)				->				str:
				__A    =							"bilinear"
				__A    =							max_size
				__A    =							short_edge_length






		def __call__(      self							, lowercase__						)				->				Dict:
				__A    =							[]
				for img in imgs:
						__A ,   __A    =							img.shape[:2]
						# later: provide list and randomly choose index for resize
						__A    =							np.random.randint(self.short_edge_length[0]							, self.short_edge_length[1] + 1						)
						if size == 0:
								return img
						__A    =							size * 1.0 / min(lowercase__							, lowercase__						)
						if h < w:
								__A ,   __A    =							size, scale * w
						else:
								__A ,   __A    =							scale * h, size
						if max(lowercase__							, lowercase__						) > self.max_size:
								__A    =							self.max_size * 1.0 / max(lowercase__							, lowercase__						)
								__A    =							newh * scale
								__A    =							neww * scale
						__A    =							int(neww + 0.5						)
						__A    =							int(newh + 0.5						)

						if img.dtype == np.uinta:
								__A    =							Image.fromarray(lowercase__						)
								__A    =							pil_image.resize((neww, newh)							, PILImageResampling.BILINEAR						)
								__A    =							np.asarray(lowercase__						)
						else:
								__A    =							img.permute(2							, 0							, 1						).unsqueeze(0						)  # 3, 0, 1)  # hw(c) -> nchw
								__A    =							nn.functional.interpolate(
								    lowercase__							, (newh, neww)							, mode=self.interp_method							, align_corners=lowercase__						).squeeze(0						)
						img_augs.append(lowercase__						)

				return img_augs





class        a__      :






		def __init__(      self							, lowercase__						)				->				Union[str, Any]:
				__A    =							ResizeShortestEdge([cfg.INPUT.MIN_SIZE_TEST, cfg.INPUT.MIN_SIZE_TEST]							, cfg.INPUT.MAX_SIZE_TEST						)
				__A    =							cfg.INPUT.FORMAT
				__A    =							cfg.SIZE_DIVISIBILITY
				__A    =							cfg.PAD_VALUE
				__A    =							cfg.INPUT.MAX_SIZE_TEST
				__A    =							cfg.MODEL.DEVICE
				__A    =							torch.tensor(cfg.MODEL.PIXEL_STD						).to(self.device						).view(len(cfg.MODEL.PIXEL_STD						)							, 1							, 1						)
				__A    =							torch.tensor(cfg.MODEL.PIXEL_MEAN						).to(self.device						).view(len(cfg.MODEL.PIXEL_STD						)							, 1							, 1						)
				__A    =							lambda lowercase__						: (x - self.pixel_mean) / self.pixel_std






		def 					_lowerCamelCase					(      self							, lowercase__						)				->				Optional[int]:
				__A    =							tuple(max(lowercase__						) for s in zip(*[img.shape for img in images]						)						)
				__A    =							[im.shape[-2:] for im in images]
				__A    =							[
				    nn.functional.pad(
				        lowercase__							, [0, max_size[-1] - size[1], 0, max_size[-2] - size[0]]							, value=self.pad_value							, )
				    for size, im in zip(lowercase__							, lowercase__						)
				]

				return torch.stack(lowercase__						), torch.tensor(lowercase__						)






		def __call__(      self							, lowercase__							, lowercase__=False						)				->				int:
				with torch.no_grad():
						if not isinstance(lowercase__							, lowercase__						):
								__A    =							[images]
						if single_image:
								assert len(lowercase__						) == 1
						for i in range(len(lowercase__						)						):
								if isinstance(images[i]							, torch.Tensor						):
										images.insert(lowercase__							, images.pop(lowercase__						).to(self.device						).float()						)
								elif not isinstance(images[i]							, torch.Tensor						):
										images.insert(
										    lowercase__							, torch.as_tensor(img_tensorize(images.pop(lowercase__						)							, input_format=self.input_format						)						)
										    .to(self.device						)
										    .float()							, )
            # resize smallest edge
						__A    =							torch.tensor([im.shape[:2] for im in images]						)
						__A    =							self.aug(lowercase__						)
						# transpose images and convert to torch tensors
						# images = [torch.as_tensor(i.astype("float32")).permute(2, 0, 1).to(self.device) for i in images]
						# now normalize before pad to avoid useless arithmetic
						__A    =							[self.normalizer(lowercase__						) for x in images]
						# now pad them to do the following operations
						__A ,   __A    =							self.pad(lowercase__						)
						# Normalize

						if self.size_divisibility > 0:
								raise NotImplementedError()
						# pad
						__A    =							torch.true_divide(lowercase__							, lowercase__						)
						if single_image:
								return images[0], sizes[0], scales_yx[0]
						else:
								return images, sizes, scales_yx



def      UpperCAmelCase						( lowerCAmelCase__					,     lowerCAmelCase__	):


		'''simple docstring'''

		boxes[:, 0::2] *= scale_yx[:, 1]
		boxes[:, 1::2] *= scale_yx[:, 0]
		return boxes





def      UpperCAmelCase						( lowerCAmelCase__					,     lowerCAmelCase__	):


		'''simple docstring'''

		assert torch.isfinite(lowerCAmelCase__	).all(), "Box tensor contains infinite or NaN!"
		__A ,   __A    =							box_size
		tensor[:, 0].clamp_(min=0					,     max=lowerCAmelCase__	)
		tensor[:, 1].clamp_(min=0					,     max=lowerCAmelCase__	)
		tensor[:, 2].clamp_(min=0					,     max=lowerCAmelCase__	)
		tensor[:, 3].clamp_(min=0					,     max=lowerCAmelCase__	)

