


from __future__ import annotations

import unittest

from transformers import BlenderbotConfig, BlenderbotTokenizer, is_tf_available
from transformers.testing_utils import require_tf, require_tokenizers, slow
from transformers.utils import cached_property

from ...test_configuration_common import ConfigTester
from ...test_modeling_tf_common import TFModelTesterMixin, ids_tensor
from ...test_pipeline_mixin import PipelineTesterMixin


if is_tf_available():
  import tensorflow as tf

  from transformers import TFAutoModelForSeqaSeqLM, TFBlenderbotForConditionalGeneration, TFBlenderbotModel



@require_tf
class    UpperCAmelCase_	:
       '''simple docstring'''
       __UpperCamelCase      :     str							=					BlenderbotConfig
       __UpperCamelCase      :     str							=					{}
       __UpperCamelCase      :     List[Any]							=					"gelu"






       def __init__(     self ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE=13 ,					__SCREAMING_SNAKE_CASE=7 ,					__SCREAMING_SNAKE_CASE=True ,					__SCREAMING_SNAKE_CASE=False ,					__SCREAMING_SNAKE_CASE=99 ,					__SCREAMING_SNAKE_CASE=32 ,					__SCREAMING_SNAKE_CASE=2 ,					__SCREAMING_SNAKE_CASE=4 ,					__SCREAMING_SNAKE_CASE=37 ,					__SCREAMING_SNAKE_CASE=0.1 ,					__SCREAMING_SNAKE_CASE=0.1 ,					__SCREAMING_SNAKE_CASE=20 ,					__SCREAMING_SNAKE_CASE=2 ,					__SCREAMING_SNAKE_CASE=1 ,					__SCREAMING_SNAKE_CASE=0 ,					):




              """simple docstring"""




              UpperCamelCase    :	Tuple   	=		parent
              UpperCamelCase    :	str   	=		batch_size
              UpperCamelCase    :	Dict   	=		seq_length
              UpperCamelCase    :	List[str]   	=		is_training
              UpperCamelCase    :	int   	=		use_labels
              UpperCamelCase    :	Optional[int]   	=		vocab_size
              UpperCamelCase    :	Any   	=		hidden_size
              UpperCamelCase    :	Tuple   	=		num_hidden_layers
              UpperCamelCase    :	Dict   	=		num_attention_heads
              UpperCamelCase    :	List[str]   	=		intermediate_size

              UpperCamelCase    :	List[Any]   	=		hidden_dropout_prob
              UpperCamelCase    :	List[str]   	=		attention_probs_dropout_prob
              UpperCamelCase    :	int   	=		max_position_embeddings
              UpperCamelCase    :	List[str]   	=		eos_token_id
              UpperCamelCase    :	str   	=		pad_token_id
              UpperCamelCase    :	Tuple   	=		bos_token_id






       def  _lowercase   (     self						):




              """simple docstring"""




              UpperCamelCase    :	Optional[int]   	=		ids_tensor([self.batch_size, self.seq_length - 1] ,					self.vocab_size						)
              UpperCamelCase    :	int   	=		tf.expand_dims(tf.constant([self.eos_token_id] * self.batch_size						) ,					1						)
              UpperCamelCase    :	Any   	=		tf.concat([input_ids, eos_tensor] ,					axis=1						)

              UpperCamelCase    :	Optional[int]   	=		ids_tensor([self.batch_size, self.seq_length] ,					self.vocab_size						)

              UpperCamelCase    :	Dict   	=		self.config_cls(
                  vocab_size=self.vocab_size ,					d_model=self.hidden_size ,					encoder_layers=self.num_hidden_layers ,					decoder_layers=self.num_hidden_layers ,					encoder_attention_heads=self.num_attention_heads ,					decoder_attention_heads=self.num_attention_heads ,					encoder_ffn_dim=self.intermediate_size ,					decoder_ffn_dim=self.intermediate_size ,					dropout=self.hidden_dropout_prob ,					attention_dropout=self.attention_probs_dropout_prob ,					max_position_embeddings=self.max_position_embeddings ,					eos_token_ids=[2] ,					bos_token_id=self.bos_token_id ,					pad_token_id=self.pad_token_id ,					decoder_start_token_id=self.pad_token_id ,					**self.config_updates ,					)
              UpperCamelCase    :	Union[str, Any]   	=		prepare_blenderbot_inputs_dict(__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE						)
              return config, inputs_dict






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              UpperCamelCase    :	Any   	=		TFBlenderbotModel(config=__SCREAMING_SNAKE_CASE						).get_decoder()
              UpperCamelCase    :	List[str]   	=		inputs_dict['''input_ids''']

              UpperCamelCase    :	List[Any]   	=		input_ids[:1, :]
              UpperCamelCase    :	Tuple   	=		inputs_dict['''attention_mask'''][:1, :]
              UpperCamelCase    :	Optional[int]   	=		inputs_dict['''head_mask''']
              UpperCamelCase    :	Tuple   	=		1

              # first forward pass
              UpperCamelCase    :	Tuple   	=		model(__SCREAMING_SNAKE_CASE ,					attention_mask=__SCREAMING_SNAKE_CASE ,					head_mask=__SCREAMING_SNAKE_CASE ,					use_cache=__SCREAMING_SNAKE_CASE						)

              UpperCamelCase	, UpperCamelCase    :	Optional[int]   	=		outputs.to_tuple()

              # create hypothetical next token and extent to next_input_ids
              UpperCamelCase    :	Tuple   	=		ids_tensor((self.batch_size, 3) ,					config.vocab_size						)
              UpperCamelCase    :	Any   	=		tf.cast(ids_tensor((self.batch_size, 3) ,					2						) ,					tf.inta						)

              # append to next input_ids and
              UpperCamelCase    :	Dict   	=		tf.concat([input_ids, next_tokens] ,					axis=-1						)
              UpperCamelCase    :	Union[str, Any]   	=		tf.concat([attention_mask, next_attn_mask] ,					axis=-1						)

              UpperCamelCase    :	Union[str, Any]   	=		model(__SCREAMING_SNAKE_CASE ,					attention_mask=__SCREAMING_SNAKE_CASE						)[0]
              UpperCamelCase    :	Optional[Any]   	=		model(__SCREAMING_SNAKE_CASE ,					attention_mask=__SCREAMING_SNAKE_CASE ,					past_key_values=__SCREAMING_SNAKE_CASE						)[0]

              self.parent.assertEqual(next_tokens.shape[1] ,					output_from_past.shape[1]						)

              # select random slice
              UpperCamelCase    :	int   	=		int(ids_tensor((1,) ,					output_from_past.shape[-1]						)						)
              UpperCamelCase    :	Tuple   	=		output_from_no_past[:, -3:, random_slice_idx]
              UpperCamelCase    :	str   	=		output_from_past[:, :, random_slice_idx]

              # test that outputs are equal for slice
              tf.debugging.assert_near(__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE ,					rtol=1e-3						)




def      a	(							SCREAMING_SNAKE_CASE_      :		Any							,			SCREAMING_SNAKE_CASE_      :		Dict							,			SCREAMING_SNAKE_CASE_      :		List[str]							,			SCREAMING_SNAKE_CASE_      :		List[str]=None							,			SCREAMING_SNAKE_CASE_      :		int=None							,			SCREAMING_SNAKE_CASE_      :		List[Any]=None							,			SCREAMING_SNAKE_CASE_      :		List[Any]=None							,			SCREAMING_SNAKE_CASE_      :		Union[str, Any]=None							,			):






       """simple docstring"""





       if attention_mask is None:
              UpperCamelCase    :	Dict   	=		tf.cast(tf.math.not_equal(SCREAMING_SNAKE_CASE_							,			config.pad_token_id       )							,			tf.inta       )
       if decoder_attention_mask is None:
              UpperCamelCase    :	Optional[int]   	=		tf.concat(
                  [
                      tf.ones(decoder_input_ids[:, :1].shape							,			dtype=tf.inta       ),
                      tf.cast(tf.math.not_equal(decoder_input_ids[:, 1:]							,			config.pad_token_id       )							,			tf.inta       ),
                  ]							,			axis=-1							,			)
       if head_mask is None:
              UpperCamelCase    :	Union[str, Any]   	=		tf.ones((config.encoder_layers, config.encoder_attention_heads)       )
       if decoder_head_mask is None:
              UpperCamelCase    :	str   	=		tf.ones((config.decoder_layers, config.decoder_attention_heads)       )
       if cross_attn_head_mask is None:
              UpperCamelCase    :	List[str]   	=		tf.ones((config.decoder_layers, config.decoder_attention_heads)       )
       return {
           "input_ids": input_ids,
           "decoder_input_ids": decoder_input_ids,
           "attention_mask": attention_mask,
           "decoder_attention_mask": decoder_attention_mask,
           "head_mask": head_mask,
           "decoder_head_mask": decoder_head_mask,
           "cross_attn_head_mask": cross_attn_head_mask,
       }



@require_tf
class    UpperCAmelCase_	(							_a,     _a,     unittest.TestCase):
       '''simple docstring'''
       __UpperCamelCase      :     Optional[int]							=					(TFBlenderbotForConditionalGeneration, TFBlenderbotModel) if is_tf_available() else ()
       __UpperCamelCase      :     Optional[Any]							=					(TFBlenderbotForConditionalGeneration,) if is_tf_available() else ()
       __UpperCamelCase      :     Union[str, Any]							=					(
           {
               "conversational": TFBlenderbotForConditionalGeneration,
               "feature-extraction": TFBlenderbotModel,
               "summarization": TFBlenderbotForConditionalGeneration,
               "text2text-generation": TFBlenderbotForConditionalGeneration,
               "translation": TFBlenderbotForConditionalGeneration,
           }
           if is_tf_available()
           else {}
       )
       __UpperCamelCase      :     Tuple							=					True
       __UpperCamelCase      :     List[str]							=					False
       __UpperCamelCase      :     List[str]							=					False






       def  _lowercase   (     self						):




              """simple docstring"""




              UpperCamelCase    :	int   	=		TFBlenderbotModelTester(self						)
              UpperCamelCase    :	Any   	=		ConfigTester(self ,					config_class=__SCREAMING_SNAKE_CASE						)






       def  _lowercase   (     self						):




              """simple docstring"""




              self.config_tester.run_common_tests()






       def  _lowercase   (     self						):




              """simple docstring"""




              UpperCamelCase    :	Union[str, Any]   	=		self.model_tester.prepare_config_and_inputs_for_common()
              self.model_tester.check_decoder_model_past_large_inputs(*__SCREAMING_SNAKE_CASE						)




@require_tokenizers
@require_tf
class    UpperCAmelCase_	(							unittest.TestCase):
       '''simple docstring'''
       __UpperCamelCase      :     Optional[Any]							=					["My friends are cool but they eat too many carbs."]
       __UpperCamelCase      :     Any							=					"facebook/blenderbot-400M-distill"






       @cached_property
       def  _lowercase   (     self						):




              """simple docstring"""




              return BlenderbotTokenizer.from_pretrained(self.model_name						)






       @cached_property
       def  _lowercase   (     self						):




              """simple docstring"""




              UpperCamelCase    :	Optional[int]   	=		TFAutoModelForSeqaSeqLM.from_pretrained(self.model_name						)
              return model






       @slow
       def  _lowercase   (     self						):




              """simple docstring"""




              UpperCamelCase    :	int   	=		self.tokenizer(self.src_text ,					return_tensors='''tf'''						)
              UpperCamelCase    :	Optional[Any]   	=		self.model.generate(
                  model_inputs.input_ids ,					)
              UpperCamelCase    :	int   	=		self.tokenizer.batch_decode(generated_ids.numpy() ,					skip_special_tokens=__SCREAMING_SNAKE_CASE						)[0]
              assert (
                  generated_words
                  == " That's unfortunate. Are they trying to lose weight or are they just trying to be healthier?"
              )





from typing import List, Optional, Tuple, Union

import torch
from torch import nn
from torch.nn import CrossEntropyLoss

from ... import AutoBackbone
from ...modeling_outputs import SemanticSegmenterOutput
from ...modeling_utils import PreTrainedModel
from ...utils import add_start_docstrings, add_start_docstrings_to_model_forward, replace_return_docstrings
from ...utils.backbone_utils import BackboneMixin
from .configuration_upernet import UperNetConfig


__UpperCAmelCase : List[Any] 			=				[
    "openmmlab/upernet-convnext-tiny",
    # See all UperNet models at https://huggingface.co/models?filter=upernet
]

# General docstring
__UpperCAmelCase : List[str] 			=				"UperNetConfig"



class    UpperCAmelCase_	(							nn.Module):
       '''simple docstring'''






       def __init__(     self ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE = 0 ,					__SCREAMING_SNAKE_CASE = False ,					__SCREAMING_SNAKE_CASE = 1 ,					):




              """simple docstring"""




              super().__init__()
              UpperCamelCase    :	str   	=		nn.Convad(
                  in_channels=__SCREAMING_SNAKE_CASE ,					out_channels=__SCREAMING_SNAKE_CASE ,					kernel_size=__SCREAMING_SNAKE_CASE ,					padding=__SCREAMING_SNAKE_CASE ,					bias=__SCREAMING_SNAKE_CASE ,					dilation=__SCREAMING_SNAKE_CASE ,					)
              UpperCamelCase    :	int   	=		nn.BatchNormad(__SCREAMING_SNAKE_CASE						)
              UpperCamelCase    :	Optional[Any]   	=		nn.ReLU()






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              UpperCamelCase    :	Any   	=		self.conv(__SCREAMING_SNAKE_CASE						)
              UpperCamelCase    :	Optional[Any]   	=		self.batch_norm(__SCREAMING_SNAKE_CASE						)
              UpperCamelCase    :	Optional[int]   	=		self.activation(__SCREAMING_SNAKE_CASE						)

              return output




class    UpperCAmelCase_	(							nn.Module):
       '''simple docstring'''






       def __init__(     self ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              super().__init__()
              UpperCamelCase    :	List[Any]   	=		[
                  nn.AdaptiveAvgPoolad(__SCREAMING_SNAKE_CASE						),
                  UperNetConvModule(__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE ,					kernel_size=1						),
              ]
              for i, layer in enumerate(self.layers						):
                     self.add_module(str(__SCREAMING_SNAKE_CASE						) ,					__SCREAMING_SNAKE_CASE						)






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              UpperCamelCase    :	str   	=		input
              for layer in self.layers:
                     UpperCamelCase    :	int   	=		layer(__SCREAMING_SNAKE_CASE						)
              return hidden_state




class    UpperCAmelCase_	(							nn.Module):
       '''simple docstring'''






       def __init__(     self ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              super().__init__()
              UpperCamelCase    :	List[Any]   	=		pool_scales
              UpperCamelCase    :	Dict   	=		align_corners
              UpperCamelCase    :	Optional[int]   	=		in_channels
              UpperCamelCase    :	Union[str, Any]   	=		channels
              UpperCamelCase    :	List[str]   	=		[]
              for i, pool_scale in enumerate(__SCREAMING_SNAKE_CASE						):
                     UpperCamelCase    :	Union[str, Any]   	=		UperNetPyramidPoolingBlock(pool_scale=__SCREAMING_SNAKE_CASE ,					in_channels=__SCREAMING_SNAKE_CASE ,					channels=__SCREAMING_SNAKE_CASE						)
                     self.blocks.append(__SCREAMING_SNAKE_CASE						)
                     self.add_module(str(__SCREAMING_SNAKE_CASE						) ,					__SCREAMING_SNAKE_CASE						)






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              UpperCamelCase    :	str   	=		[]
              for ppm in self.blocks:
                     UpperCamelCase    :	List[str]   	=		ppm(__SCREAMING_SNAKE_CASE						)
                     UpperCamelCase    :	Tuple   	=		nn.functional.interpolate(
                         __SCREAMING_SNAKE_CASE ,					size=x.size()[2:] ,					mode='''bilinear''' ,					align_corners=self.align_corners						)
                     ppm_outs.append(__SCREAMING_SNAKE_CASE						)
              return ppm_outs




class    UpperCAmelCase_	(							nn.Module):
       '''simple docstring'''






       def __init__(     self ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              super().__init__()

              UpperCamelCase    :	int   	=		config
              UpperCamelCase    :	List[str]   	=		config.pool_scales  # e.g. (1, 2, 3, 6)
              UpperCamelCase    :	Optional[int]   	=		in_channels
              UpperCamelCase    :	str   	=		config.hidden_size
              UpperCamelCase    :	str   	=		False
              UpperCamelCase    :	List[str]   	=		nn.Convad(self.channels ,					config.num_labels ,					kernel_size=1						)

              # PSP Module
              UpperCamelCase    :	Optional[int]   	=		UperNetPyramidPoolingModule(
                  self.pool_scales ,					self.in_channels[-1] ,					self.channels ,					align_corners=self.align_corners ,					)
              UpperCamelCase    :	str   	=		UperNetConvModule(
                  self.in_channels[-1] + len(self.pool_scales						) * self.channels ,					self.channels ,					kernel_size=3 ,					padding=1 ,					)
              # FPN Module
              UpperCamelCase    :	Union[str, Any]   	=		nn.ModuleList()
              UpperCamelCase    :	Union[str, Any]   	=		nn.ModuleList()
              for in_channels in self.in_channels[:-1]:  # skip the top layer
                     UpperCamelCase    :	List[Any]   	=		UperNetConvModule(__SCREAMING_SNAKE_CASE ,					self.channels ,					kernel_size=1						)
                     UpperCamelCase    :	int   	=		UperNetConvModule(self.channels ,					self.channels ,					kernel_size=3 ,					padding=1						)
                     self.lateral_convs.append(__SCREAMING_SNAKE_CASE						)
                     self.fpn_convs.append(__SCREAMING_SNAKE_CASE						)

              UpperCamelCase    :	Optional[Any]   	=		UperNetConvModule(
                  len(self.in_channels						) * self.channels ,					self.channels ,					kernel_size=3 ,					padding=1 ,					)






       def  _lowercase   (     self						):




              """simple docstring"""




              self.apply(self._init_weights						)






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              if isinstance(__SCREAMING_SNAKE_CASE ,					nn.Convad						):
                     module.weight.data.normal_(mean=0.0 ,					std=self.config.initializer_range						)
                     if module.bias is not None:
                            module.bias.data.zero_()






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              UpperCamelCase    :	Any   	=		inputs[-1]
              UpperCamelCase    :	int   	=		[x]
              psp_outs.extend(self.psp_modules(__SCREAMING_SNAKE_CASE						)						)
              UpperCamelCase    :	Any   	=		torch.cat(__SCREAMING_SNAKE_CASE ,					dim=1						)
              UpperCamelCase    :	Union[str, Any]   	=		self.bottleneck(__SCREAMING_SNAKE_CASE						)

              return output






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              UpperCamelCase    :	str   	=		[lateral_conv(encoder_hidden_states[i]						) for i, lateral_conv in enumerate(self.lateral_convs						)]

              laterals.append(self.psp_forward(__SCREAMING_SNAKE_CASE						)						)

              # build top-down path
              UpperCamelCase    :	int   	=		len(__SCREAMING_SNAKE_CASE						)
              for i in range(used_backbone_levels - 1 ,					0 ,					-1						):
                     UpperCamelCase    :	Optional[int]   	=		laterals[i - 1].shape[2:]
                     UpperCamelCase    :	Optional[Any]   	=		laterals[i - 1] + nn.functional.interpolate(
                         laterals[i] ,					size=__SCREAMING_SNAKE_CASE ,					mode='''bilinear''' ,					align_corners=self.align_corners						)

              # build outputs
              UpperCamelCase    :	str   	=		[self.fpn_convs[i](laterals[i]						) for i in range(used_backbone_levels - 1						)]
              # append psp feature
              fpn_outs.append(laterals[-1]						)

              for i in range(used_backbone_levels - 1 ,					0 ,					-1						):
                     UpperCamelCase    :	int   	=		nn.functional.interpolate(
                         fpn_outs[i] ,					size=fpn_outs[0].shape[2:] ,					mode='''bilinear''' ,					align_corners=self.align_corners						)
              UpperCamelCase    :	str   	=		torch.cat(__SCREAMING_SNAKE_CASE ,					dim=1						)
              UpperCamelCase    :	Tuple   	=		self.fpn_bottleneck(__SCREAMING_SNAKE_CASE						)
              UpperCamelCase    :	Union[str, Any]   	=		self.classifier(__SCREAMING_SNAKE_CASE						)

              return output




class    UpperCAmelCase_	(							nn.Module):
       '''simple docstring'''






       def __init__(     self ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE = 2 ,					__SCREAMING_SNAKE_CASE = 3 ,					__SCREAMING_SNAKE_CASE = 1						):




              """simple docstring"""




              super().__init__()

              UpperCamelCase    :	Dict   	=		config
              UpperCamelCase    :	Optional[Any]   	=		config.auxiliary_in_channels
              UpperCamelCase    :	Union[str, Any]   	=		config.auxiliary_channels
              UpperCamelCase    :	Union[str, Any]   	=		config.auxiliary_num_convs
              UpperCamelCase    :	Optional[Any]   	=		config.auxiliary_concat_input
              UpperCamelCase    :	List[str]   	=		in_index

              UpperCamelCase    :	Any   	=		(kernel_size // 2) * dilation
              UpperCamelCase    :	Optional[Any]   	=		[]
              convs.append(
                  UperNetConvModule(
                      self.in_channels ,					self.channels ,					kernel_size=__SCREAMING_SNAKE_CASE ,					padding=__SCREAMING_SNAKE_CASE ,					dilation=__SCREAMING_SNAKE_CASE						)						)
              for i in range(self.num_convs - 1						):
                     convs.append(
                         UperNetConvModule(
                             self.channels ,					self.channels ,					kernel_size=__SCREAMING_SNAKE_CASE ,					padding=__SCREAMING_SNAKE_CASE ,					dilation=__SCREAMING_SNAKE_CASE						)						)
              if self.num_convs == 0:
                     UpperCamelCase    :	str   	=		nn.Identity()
              else:
                     UpperCamelCase    :	Dict   	=		nn.Sequential(*__SCREAMING_SNAKE_CASE						)
              if self.concat_input:
                     UpperCamelCase    :	Union[str, Any]   	=		UperNetConvModule(
                         self.in_channels + self.channels ,					self.channels ,					kernel_size=__SCREAMING_SNAKE_CASE ,					padding=kernel_size // 2						)

              UpperCamelCase    :	Optional[Any]   	=		nn.Convad(self.channels ,					config.num_labels ,					kernel_size=1						)






       def  _lowercase   (     self						):




              """simple docstring"""




              self.apply(self._init_weights						)






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              if isinstance(__SCREAMING_SNAKE_CASE ,					nn.Convad						):
                     module.weight.data.normal_(mean=0.0 ,					std=self.config.initializer_range						)
                     if module.bias is not None:
                            module.bias.data.zero_()






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              UpperCamelCase    :	Any   	=		encoder_hidden_states[self.in_index]
              UpperCamelCase    :	str   	=		self.convs(__SCREAMING_SNAKE_CASE						)
              if self.concat_input:
                     UpperCamelCase    :	int   	=		self.conv_cat(torch.cat([hidden_states, output] ,					dim=1						)						)
              UpperCamelCase    :	Union[str, Any]   	=		self.classifier(__SCREAMING_SNAKE_CASE						)
              return output




class    UpperCAmelCase_	(							_a):
       '''simple docstring'''
       __UpperCamelCase      :     Optional[Any]							=					UperNetConfig
       __UpperCamelCase      :     Optional[int]							=					"pixel_values"
       __UpperCamelCase      :     Dict							=					True






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              if isinstance(__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE						):
                     module.backbone.init_weights()
                     module.decode_head.init_weights()
                     module.auxiliary_head.init_weights()






       def  _lowercase   (     self						):




              """simple docstring"""




              self.backbone.init_weights()
              self.decode_head.init_weights()
              self.auxiliary_head.init_weights()






       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE=False						):




              """simple docstring"""




              if isinstance(__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE						):
                     UpperCamelCase    :	str   	=		value




__UpperCAmelCase : List[Any] 			=				r"\n    Parameters:\n    This model is a PyTorch [torch.nn.Module](https://pytorch.org/docs/stable/nn.html#torch.nn.Module) sub-class. Use\n    it as a regular PyTorch Module and refer to the PyTorch documentation for all matter related to general usage and\n    behavior.\n        config ([`UperNetConfig`]): Model configuration class with all the parameters of the model.\n            Initializing with a config file does not load the weights associated with the model, only the\n            configuration. Check out the [`~PreTrainedModel.from_pretrained`] method to load the model weights.\n"

__UpperCAmelCase : Union[str, Any] 			=				r"\n    Args:\n        pixel_values (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)`):\n            Pixel values. Padding will be ignored by default should you provide it. Pixel values can be obtained using\n            [`AutoImageProcessor`]. See [`SegformerImageProcessor.__call__`] for details.\n        output_attentions (`bool`, *optional*):\n            Whether or not to return the attentions tensors of all attention layers in case the backbone has them. See\n            `attentions` under returned tensors for more detail.\n        output_hidden_states (`bool`, *optional*):\n            Whether or not to return the hidden states of all layers of the backbone. See `hidden_states` under\n            returned tensors for more detail.\n        return_dict (`bool`, *optional*):\n            Whether or not to return a [`~utils.ModelOutput`] instead of a plain tuple.\n"



@add_start_docstrings(
    "UperNet framework leveraging any vision backbone e.g. for ADE20k, CityScapes.",     _a,     )
class    UpperCAmelCase_	(							_a):
       '''simple docstring'''






       def __init__(     self ,					__SCREAMING_SNAKE_CASE						):




              """simple docstring"""




              super().__init__(__SCREAMING_SNAKE_CASE						)

              UpperCamelCase    :	Dict   	=		AutoBackbone.from_config(config.backbone_config						)

              # Semantic segmentation head(s)
              UpperCamelCase    :	int   	=		UperNetHead(__SCREAMING_SNAKE_CASE ,					in_channels=self.backbone.channels						)
              UpperCamelCase    :	int   	=		UperNetFCNHead(__SCREAMING_SNAKE_CASE						) if config.use_auxiliary_head else None

              # Initialize weights and apply final processing
              self.post_init()






       @add_start_docstrings_to_model_forward(UPERNET_INPUTS_DOCSTRING.format('''batch_size, sequence_length'''						)						)
       @replace_return_docstrings(output_type=__SCREAMING_SNAKE_CASE ,					config_class=_CONFIG_FOR_DOC						)
       def  _lowercase   (     self ,					__SCREAMING_SNAKE_CASE = None ,					__SCREAMING_SNAKE_CASE = None ,					__SCREAMING_SNAKE_CASE = None ,					__SCREAMING_SNAKE_CASE = None ,					__SCREAMING_SNAKE_CASE = None ,					):




              """simple docstring"""




              UpperCamelCase    :	List[str]   	=		return_dict if return_dict is not None else self.config.use_return_dict
              UpperCamelCase    :	str   	=		(
                  output_hidden_states if output_hidden_states is not None else self.config.output_hidden_states
              )
              UpperCamelCase    :	Tuple   	=		output_attentions if output_attentions is not None else self.config.output_attentions

              UpperCamelCase    :	Tuple   	=		self.backbone.forward_with_filtered_kwargs(
                  __SCREAMING_SNAKE_CASE ,					output_hidden_states=__SCREAMING_SNAKE_CASE ,					output_attentions=__SCREAMING_SNAKE_CASE						)
              UpperCamelCase    :	List[str]   	=		outputs.feature_maps

              UpperCamelCase    :	Union[str, Any]   	=		self.decode_head(__SCREAMING_SNAKE_CASE						)
              UpperCamelCase    :	Optional[int]   	=		nn.functional.interpolate(__SCREAMING_SNAKE_CASE ,					size=pixel_values.shape[2:] ,					mode='''bilinear''' ,					align_corners=__SCREAMING_SNAKE_CASE						)

              UpperCamelCase    :	int   	=		None
              if self.auxiliary_head is not None:
                     UpperCamelCase    :	int   	=		self.auxiliary_head(__SCREAMING_SNAKE_CASE						)
                     UpperCamelCase    :	Tuple   	=		nn.functional.interpolate(
                         __SCREAMING_SNAKE_CASE ,					size=pixel_values.shape[2:] ,					mode='''bilinear''' ,					align_corners=__SCREAMING_SNAKE_CASE						)

              UpperCamelCase    :	Union[str, Any]   	=		None
              if labels is not None:
                     if self.config.num_labels == 1:
                            raise ValueError('''The number of labels should be greater than one'''						)
                     else:
                            # compute weighted loss
                            UpperCamelCase    :	Optional[int]   	=		CrossEntropyLoss(ignore_index=self.config.loss_ignore_index						)
                            UpperCamelCase    :	Tuple   	=		loss_fct(__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE						)
                            UpperCamelCase    :	Optional[Any]   	=		loss_fct(__SCREAMING_SNAKE_CASE ,					__SCREAMING_SNAKE_CASE						)
                            UpperCamelCase    :	Union[str, Any]   	=		main_loss + self.config.auxiliary_loss_weight * auxiliary_loss

              if not return_dict:
                     if output_hidden_states:
                            UpperCamelCase    :	Optional[Any]   	=		(logits,) + outputs[1:]
                     else:
                            UpperCamelCase    :	int   	=		(logits,) + outputs[2:]
                     return ((loss,) + output) if loss is not None else output

              return SemanticSegmenterOutput(
                  loss=__SCREAMING_SNAKE_CASE ,					logits=__SCREAMING_SNAKE_CASE ,					hidden_states=outputs.hidden_states ,					attentions=outputs.attentions ,					)

