



'''simple docstring'''





import inspect
import unittest

import numpy as np

from tests.test_modeling_common import floats_tensor
from transformers import DetrConfig, MaskFormerConfig, SwinConfig, is_torch_available, is_vision_available
from transformers.testing_utils import require_torch, require_torch_multi_gpu, require_vision, slow, torch_device
from transformers.utils import cached_property

from ...test_configuration_common import ConfigTester
from ...test_modeling_common import ModelTesterMixin
from ...test_pipeline_mixin import PipelineTesterMixin


if is_torch_available():
 import torch

 from transformers import MaskFormerForInstanceSegmentation, MaskFormerModel

 if is_vision_available():
  from transformers import MaskFormerImageProcessor

if is_vision_available():
 from PIL import Image






class        lowerCAmelCase_:
  '''simple docstring'''




  def __init__(    self  ,__UpperCAmelCase  ,__UpperCAmelCase=2  ,__UpperCAmelCase=True  ,__UpperCAmelCase=False  ,__UpperCAmelCase=10  ,__UpperCAmelCase=3  ,__UpperCAmelCase=32 * 4  ,__UpperCAmelCase=32 * 6  ,__UpperCAmelCase=4  ,__UpperCAmelCase=32  ,)    ->		str:
      lowerCAmelCase__ :  Optional[int]							      =					parent
      lowerCAmelCase__ :  Optional[int]							      =					batch_size
      lowerCAmelCase__ :  Optional[int]							      =					is_training
      lowerCAmelCase__ :  Dict							      =					use_auxiliary_loss
      lowerCAmelCase__ :  Union[str, Any]							      =					num_queries
      lowerCAmelCase__ :  str							      =					num_channels
      lowerCAmelCase__ :  List[str]							      =					min_size
      lowerCAmelCase__ :  int							      =					max_size
      lowerCAmelCase__ :  Optional[Any]							      =					num_labels
      lowerCAmelCase__ :  List[Any]							      =					mask_feature_size




  def 							UpperCAmelCase_	(    self      )    ->		Tuple:
      lowerCAmelCase__ :  str							      =					floats_tensor([self.batch_size, self.num_channels, self.min_size, self.max_size]      ).to(
          __UpperCAmelCase      )

      lowerCAmelCase__ :  str							      =					torch.ones([self.batch_size, self.min_size, self.max_size]  ,device=__UpperCAmelCase      )

      lowerCAmelCase__ :  Any							      =					(
          torch.rand([self.batch_size, self.num_labels, self.min_size, self.max_size]  ,device=__UpperCAmelCase      ) > 0.5
      ).float()
      lowerCAmelCase__ :  Optional[int]							      =					(torch.rand((self.batch_size, self.num_labels)  ,device=__UpperCAmelCase      ) > 0.5).long()

      lowerCAmelCase__ :  Any							      =					self.get_config()
      return config, pixel_values, pixel_mask, mask_labels, class_labels




  def 							UpperCAmelCase_	(    self      )    ->		Dict:
      return MaskFormerConfig.from_backbone_and_decoder_configs(
          backbone_config=SwinConfig(
              depths=[1, 1, 1, 1]  ,)  ,decoder_config=DetrConfig(
              decoder_ffn_dim=128  ,num_queries=self.num_queries  ,decoder_attention_heads=2  ,d_model=self.mask_feature_size  ,)  ,mask_feature_size=self.mask_feature_size  ,fpn_feature_size=self.mask_feature_size  ,num_channels=self.num_channels  ,num_labels=self.num_labels  ,)




  def 							UpperCAmelCase_	(    self      )    ->		Optional[int]:
      lowerCAmelCase__      ,   lowerCAmelCase__      ,   lowerCAmelCase__      ,   lowerCAmelCase__      ,   lowerCAmelCase__ :  List[str]							      =					self.prepare_config_and_inputs()
      lowerCAmelCase__ :  List[str]							      =					{"""pixel_values""": pixel_values, """pixel_mask""": pixel_mask}
      return config, inputs_dict




  def 							UpperCAmelCase_	(    self  ,__UpperCAmelCase  ,__UpperCAmelCase      )    ->		Any:
      lowerCAmelCase__ :  Optional[int]							      =					output.encoder_hidden_states
      lowerCAmelCase__ :  Optional[int]							      =					output.pixel_decoder_hidden_states
      lowerCAmelCase__ :  Dict							      =					output.transformer_decoder_hidden_states

      self.parent.assertTrue(len(__UpperCAmelCase      )  ,len(config.backbone_config.depths      )      )
      self.parent.assertTrue(len(__UpperCAmelCase      )  ,len(config.backbone_config.depths      )      )
      self.parent.assertTrue(len(__UpperCAmelCase      )  ,config.decoder_config.decoder_layers      )




  def 							UpperCAmelCase_	(    self  ,__UpperCAmelCase  ,__UpperCAmelCase  ,__UpperCAmelCase  ,__UpperCAmelCase=False      )    ->		Optional[Any]:
      with torch.no_grad():
          lowerCAmelCase__ :  int							      =					MaskFormerModel(config=__UpperCAmelCase      )
          model.to(__UpperCAmelCase      )
          model.eval()

          lowerCAmelCase__ :  str							      =					model(pixel_values=__UpperCAmelCase  ,pixel_mask=__UpperCAmelCase      )
          lowerCAmelCase__ :  int							      =					model(__UpperCAmelCase  ,output_hidden_states=__UpperCAmelCase      )
      # the correct shape of output.transformer_decoder_hidden_states ensure the correcteness of the
      # encoder and pixel decoder
      self.parent.assertEqual(
          output.transformer_decoder_last_hidden_state.shape  ,(self.batch_size, self.num_queries, self.mask_feature_size)  ,)
      # let's ensure the other two hidden state exists
      self.parent.assertTrue(output.pixel_decoder_last_hidden_state is not None      )
      self.parent.assertTrue(output.encoder_last_hidden_state is not None      )

      if output_hidden_states:
          self.check_output_hidden_state(__UpperCAmelCase  ,__UpperCAmelCase      )






  def 							UpperCAmelCase_	(    self  ,__UpperCAmelCase  ,__UpperCAmelCase  ,__UpperCAmelCase  ,__UpperCAmelCase  ,__UpperCAmelCase      )    ->		Optional[int]:
      lowerCAmelCase__ :  Dict							      =					MaskFormerForInstanceSegmentation(config=__UpperCAmelCase      )
      model.to(__UpperCAmelCase      )
      model.eval()

      def comm_check_on_output(__UpperCAmelCase      ):
          # let's still check that all the required stuff is there
          self.parent.assertTrue(result.transformer_decoder_last_hidden_state is not None      )
          self.parent.assertTrue(result.pixel_decoder_last_hidden_state is not None      )
          self.parent.assertTrue(result.encoder_last_hidden_state is not None      )
          # okay, now we need to check the logits shape
          # due to the encoder compression, masks have a //4 spatial size
          self.parent.assertEqual(
              result.masks_queries_logits.shape  ,(self.batch_size, self.num_queries, self.min_size // 4, self.max_size // 4)  ,)
          # + 1 for null class
          self.parent.assertEqual(
              result.class_queries_logits.shape  ,(self.batch_size, self.num_queries, self.num_labels + 1)      )

      with torch.no_grad():
          lowerCAmelCase__ :  List[Any]							      =					model(pixel_values=__UpperCAmelCase  ,pixel_mask=__UpperCAmelCase      )
          lowerCAmelCase__ :  Dict							      =					model(__UpperCAmelCase      )

          comm_check_on_output(__UpperCAmelCase      )

          lowerCAmelCase__ :  Optional[int]							      =					model(
              pixel_values=__UpperCAmelCase  ,pixel_mask=__UpperCAmelCase  ,mask_labels=__UpperCAmelCase  ,class_labels=__UpperCAmelCase      )

      comm_check_on_output(__UpperCAmelCase      )

      self.parent.assertTrue(result.loss is not None      )
      self.parent.assertEqual(result.loss.shape  ,torch.Size([1]      )      )







@require_torch
class        lowerCAmelCase_(				SCREAMING_SNAKE_CASE_						, SCREAMING_SNAKE_CASE_						, unittest.TestCase     ):
  '''simple docstring'''




  __lowercase							:      Optional[Any]				=      (MaskFormerModel, MaskFormerForInstanceSegmentation) if is_torch_available() else ()
  __lowercase							:      int				=      (
      {'''feature-extraction''': MaskFormerModel, '''image-segmentation''': MaskFormerForInstanceSegmentation}
      if is_torch_available()
      else {}
  )

  __lowercase							:      Union[str, Any]				=      False
  __lowercase							:      Dict				=      False
  __lowercase							:      Tuple				=      False
  __lowercase							:      List[Any]				=      False




  def 							UpperCAmelCase_	(    self      )    ->		Optional[int]:
      lowerCAmelCase__ :  str							      =					MaskFormerModelTester(self      )
      lowerCAmelCase__ :  List[Any]							      =					ConfigTester(self  ,config_class=__UpperCAmelCase  ,has_text_modality=__UpperCAmelCase      )




  def 							UpperCAmelCase_	(    self      )    ->		List[str]:
      self.config_tester.run_common_tests()




  def 							UpperCAmelCase_	(    self      )    ->		Union[str, Any]:
      lowerCAmelCase__      ,   lowerCAmelCase__ :  str							      =					self.model_tester.prepare_config_and_inputs_for_common()
      self.model_tester.create_and_check_maskformer_model(__UpperCAmelCase  ,**__UpperCAmelCase  ,output_hidden_states=__UpperCAmelCase      )




  def 							UpperCAmelCase_	(    self      )    ->		Optional[int]:
      lowerCAmelCase__ :  List[str]							      =					self.model_tester.prepare_config_and_inputs()
      self.model_tester.create_and_check_maskformer_instance_segmentation_head_model(*__UpperCAmelCase      )




  @unittest.skip(reason="""MaskFormer does not use inputs_embeds"""      )
  def 							UpperCAmelCase_	(    self      )    ->		List[Any]:
      pass




  @unittest.skip(reason="""MaskFormer does not have a get_input_embeddings method"""      )
  def 							UpperCAmelCase_	(    self      )    ->		str:
      pass




  @unittest.skip(reason="""MaskFormer is not a generative model"""      )
  def 							UpperCAmelCase_	(    self      )    ->		Any:
      pass




  @unittest.skip(reason="""MaskFormer does not use token embeddings"""      )
  def 							UpperCAmelCase_	(    self      )    ->		List[str]:
      pass




  @require_torch_multi_gpu
  @unittest.skip(
      reason="""MaskFormer has some layers using `add_module` which doesn't work well with `nn.DataParallel`"""      )
  def 							UpperCAmelCase_	(    self      )    ->		Union[str, Any]:
      pass




  @unittest.skip("""Will be fixed soon by reducing the size of the model used for common tests."""      )
  def 							UpperCAmelCase_	(    self      )    ->		List[str]:
      pass




  def 							UpperCAmelCase_	(    self      )    ->		Tuple:
      lowerCAmelCase__      ,   lowerCAmelCase__ :  Union[str, Any]							      =					self.model_tester.prepare_config_and_inputs_for_common()

      for model_class in self.all_model_classes:
          lowerCAmelCase__ :  str							      =					model_class(__UpperCAmelCase      )
          lowerCAmelCase__ :  Dict							      =					inspect.signature(model.forward      )
          # signature.parameters is an OrderedDict => so arg_names order is deterministic
          lowerCAmelCase__ :  Dict							      =					[*signature.parameters.keys()]

          lowerCAmelCase__ :  Tuple							      =					["""pixel_values"""]
          self.assertListEqual(arg_names[:1]  ,__UpperCAmelCase      )




  @slow
  def 							UpperCAmelCase_	(    self      )    ->		Union[str, Any]:
      for model_name in ["facebook/maskformer-swin-small-coco"]:
          lowerCAmelCase__ :  List[str]							      =					MaskFormerModel.from_pretrained(__UpperCAmelCase      )
          self.assertIsNotNone(__UpperCAmelCase      )




  def 							UpperCAmelCase_	(    self      )    ->		str:
      lowerCAmelCase__ :  List[Any]							      =					(self.model_tester.min_size,) * 2
      lowerCAmelCase__ :  Any							      =					{
          """pixel_values""": torch.randn((2, 3, *size)  ,device=__UpperCAmelCase      ),
          """mask_labels""": torch.randn((2, 10, *size)  ,device=__UpperCAmelCase      ),
          """class_labels""": torch.zeros(2  ,10  ,device=__UpperCAmelCase      ).long(),
      }

      lowerCAmelCase__ :  Tuple							      =					MaskFormerForInstanceSegmentation(MaskFormerConfig()      ).to(__UpperCAmelCase      )
      lowerCAmelCase__ :  Union[str, Any]							      =					model(**__UpperCAmelCase      )
      self.assertTrue(outputs.loss is not None      )




  def 							UpperCAmelCase_	(    self      )    ->		str:
      lowerCAmelCase__      ,   lowerCAmelCase__ :  List[str]							      =					self.model_tester.prepare_config_and_inputs_for_common()
      self.model_tester.create_and_check_maskformer_model(__UpperCAmelCase  ,**__UpperCAmelCase  ,output_hidden_states=__UpperCAmelCase      )




  def 							UpperCAmelCase_	(    self      )    ->		Tuple:
      lowerCAmelCase__      ,   lowerCAmelCase__ :  Any							      =					self.model_tester.prepare_config_and_inputs_for_common()

      for model_class in self.all_model_classes:
          lowerCAmelCase__ :  int							      =					model_class(__UpperCAmelCase      ).to(__UpperCAmelCase      )
          lowerCAmelCase__ :  List[Any]							      =					model(**__UpperCAmelCase  ,output_attentions=__UpperCAmelCase      )
          self.assertTrue(outputs.attentions is not None      )




  def 							UpperCAmelCase_	(    self      )    ->		int:
      if not self.model_tester.is_training:
          return
      # only MaskFormerForInstanceSegmentation has the loss
      lowerCAmelCase__ :  Dict							      =					self.all_model_classes[1]
      lowerCAmelCase__      ,   lowerCAmelCase__      ,   lowerCAmelCase__      ,   lowerCAmelCase__      ,   lowerCAmelCase__ :  Optional[int]							      =					self.model_tester.prepare_config_and_inputs()

      lowerCAmelCase__ :  List[Any]							      =					model_class(__UpperCAmelCase      )
      model.to(__UpperCAmelCase      )
      model.train()

      lowerCAmelCase__ :  List[str]							      =					model(__UpperCAmelCase  ,mask_labels=__UpperCAmelCase  ,class_labels=__UpperCAmelCase      ).loss
      loss.backward()






  def 							UpperCAmelCase_	(    self      )    ->		List[str]:
      # only MaskFormerForInstanceSegmentation has the loss
      lowerCAmelCase__ :  Tuple							      =					self.all_model_classes[1]
      lowerCAmelCase__      ,   lowerCAmelCase__      ,   lowerCAmelCase__      ,   lowerCAmelCase__      ,   lowerCAmelCase__ :  Optional[int]							      =					self.model_tester.prepare_config_and_inputs()
      lowerCAmelCase__ :  Union[str, Any]							      =					True
      lowerCAmelCase__ :  Tuple							      =					True

      lowerCAmelCase__ :  Optional[Any]							      =					model_class(__UpperCAmelCase      )
      model.to(__UpperCAmelCase      )
      model.train()

      lowerCAmelCase__ :  Dict							      =					model(__UpperCAmelCase  ,mask_labels=__UpperCAmelCase  ,class_labels=__UpperCAmelCase      )

      lowerCAmelCase__ :  Optional[Any]							      =					outputs.encoder_hidden_states[0]
      encoder_hidden_states.retain_grad()

      lowerCAmelCase__ :  str							      =					outputs.pixel_decoder_hidden_states[0]
      pixel_decoder_hidden_states.retain_grad()
      # we requires_grad=True in inputs_embeds (line 2152), the original implementation don't
      lowerCAmelCase__ :  Union[str, Any]							      =					outputs.transformer_decoder_hidden_states[0]
      transformer_decoder_hidden_states.retain_grad()

      lowerCAmelCase__ :  List[Any]							      =					outputs.attentions[0]
      attentions.retain_grad()

      outputs.loss.backward(retain_graph=__UpperCAmelCase      )

      self.assertIsNotNone(encoder_hidden_states.grad      )
      self.assertIsNotNone(pixel_decoder_hidden_states.grad      )
      self.assertIsNotNone(transformer_decoder_hidden_states.grad      )
      self.assertIsNotNone(attentions.grad      )







_lowerCAmelCase      						=	1e-4
def    _SCREAMING_SNAKE_CASE  (       ):



    """simple docstring"""





    lowerCAmelCase__ :  Union[str, Any]							      =					Image.open("""./tests/fixtures/tests_samples/COCO/000000039769.png"""			)
    return image






@require_vision
@slow
class        lowerCAmelCase_(				unittest.TestCase     ):
  '''simple docstring'''




  @cached_property
  def 							UpperCAmelCase_	(    self      )    ->		List[Any]:
      return (
          MaskFormerImageProcessor.from_pretrained("""facebook/maskformer-swin-small-coco"""      )
          if is_vision_available()
          else None
      )




  def 							UpperCAmelCase_	(    self      )    ->		Any:
      lowerCAmelCase__ :  Any							      =					MaskFormerModel.from_pretrained("""facebook/maskformer-swin-small-coco"""      ).to(__UpperCAmelCase      )
      lowerCAmelCase__ :  str							      =					self.default_image_processor
      lowerCAmelCase__ :  str							      =					prepare_img()
      lowerCAmelCase__ :  Optional[int]							      =					image_processor(__UpperCAmelCase  ,return_tensors="""pt"""      ).to(__UpperCAmelCase      )
      lowerCAmelCase__ :  Dict							      =					inputs["""pixel_values"""].shape
      # check size is divisible by 32
      self.assertTrue((inputs_shape[-1] % 32) == 0 and (inputs_shape[-2] % 32) == 0      )
      # check size
      self.assertEqual(__UpperCAmelCase  ,(1, 3, 800, 1088)      )

      with torch.no_grad():
          lowerCAmelCase__ :  Union[str, Any]							      =					model(**__UpperCAmelCase      )

      lowerCAmelCase__ :  Optional[Any]							      =					torch.tensor(
          [[-0.0_4_8_2, 0.9_2_2_8, 0.4_9_5_1], [-0.2_5_4_7, 0.8_0_1_7, 0.8_5_2_7], [-0.0_0_6_9, 0.3_3_8_5, -0.0_0_8_9]]      ).to(__UpperCAmelCase      )
      self.assertTrue(
          torch.allclose(
              outputs.encoder_last_hidden_state[0, 0, :3, :3]  ,__UpperCAmelCase  ,atol=__UpperCAmelCase      )      )

      lowerCAmelCase__ :  Dict							      =					torch.tensor(
          [[-0.8_4_2_2, -0.8_4_3_4, -0.9_7_1_8], [-1.0_1_4_4, -0.5_5_6_5, -0.4_1_9_5], [-1.0_0_3_8, -0.4_4_8_4, -0.1_9_6_1]]      ).to(__UpperCAmelCase      )
      self.assertTrue(
          torch.allclose(
              outputs.pixel_decoder_last_hidden_state[0, 0, :3, :3]  ,__UpperCAmelCase  ,atol=__UpperCAmelCase      )      )

      lowerCAmelCase__ :  Optional[int]							      =					torch.tensor(
          [[0.2_8_5_2, -0.0_1_5_9, 0.9_7_3_5], [0.6_2_5_4, 0.1_8_5_8, 0.8_5_2_9], [-0.0_6_8_0, -0.4_1_1_6, 1.8_4_1_3]]      ).to(__UpperCAmelCase      )
      self.assertTrue(
          torch.allclose(
              outputs.transformer_decoder_last_hidden_state[0, :3, :3]  ,__UpperCAmelCase  ,atol=__UpperCAmelCase      )      )




  def 							UpperCAmelCase_	(    self      )    ->		Optional[Any]:
      lowerCAmelCase__ :  List[Any]							      =					(
          MaskFormerForInstanceSegmentation.from_pretrained("""facebook/maskformer-swin-small-coco"""      )
          .to(__UpperCAmelCase      )
          .eval()
      )
      lowerCAmelCase__ :  Optional[Any]							      =					self.default_image_processor
      lowerCAmelCase__ :  List[str]							      =					prepare_img()
      lowerCAmelCase__ :  str							      =					image_processor(__UpperCAmelCase  ,return_tensors="""pt"""      ).to(__UpperCAmelCase      )
      lowerCAmelCase__ :  Optional[int]							      =					inputs["""pixel_values"""].shape
      # check size is divisible by 32
      self.assertTrue((inputs_shape[-1] % 32) == 0 and (inputs_shape[-2] % 32) == 0      )
      # check size
      self.assertEqual(__UpperCAmelCase  ,(1, 3, 800, 1088)      )

      with torch.no_grad():
          lowerCAmelCase__ :  List[Any]							      =					model(**__UpperCAmelCase      )
      # masks_queries_logits
      lowerCAmelCase__ :  Optional[int]							      =					outputs.masks_queries_logits
      self.assertEqual(
          masks_queries_logits.shape  ,(1, model.config.decoder_config.num_queries, inputs_shape[-2] // 4, inputs_shape[-1] // 4)  ,)
      lowerCAmelCase__ :  Optional[int]							      =					[
          [-1.3_7_3_7_1_2_4, -1.7_7_2_4_9_3_7, -1.9_3_6_4_2_3_3],
          [-1.5_9_7_7_2_8_1, -1.9_8_6_7_9_3_9, -2.1_5_2_3_6_9_5],
          [-1.5_7_9_5_3_9_8, -1.9_2_6_9_8_3_2, -2.0_9_3_9_4_2],
      ]
      lowerCAmelCase__ :  Optional[int]							      =					torch.tensor(__UpperCAmelCase      ).to(__UpperCAmelCase      )
      self.assertTrue(torch.allclose(masks_queries_logits[0, 0, :3, :3]  ,__UpperCAmelCase  ,atol=__UpperCAmelCase      )      )
      # class_queries_logits
      lowerCAmelCase__ :  Tuple							      =					outputs.class_queries_logits
      self.assertEqual(
          class_queries_logits.shape  ,(1, model.config.decoder_config.num_queries, model.config.num_labels + 1)      )
      lowerCAmelCase__ :  Union[str, Any]							      =					torch.tensor(
          [
              [1.65_12E00, -5.25_72E00, -3.35_19E00],
              [3.61_69E-02, -5.90_25E00, -2.93_13E00],
              [1.07_66E-04, -7.76_30E00, -5.12_63E00],
          ]      ).to(__UpperCAmelCase      )
      self.assertTrue(torch.allclose(outputs.class_queries_logits[0, :3, :3]  ,__UpperCAmelCase  ,atol=__UpperCAmelCase      )      )




  def 							UpperCAmelCase_	(    self      )    ->		str:
      lowerCAmelCase__ :  List[Any]							      =					(
          MaskFormerForInstanceSegmentation.from_pretrained("""facebook/maskformer-resnet101-coco-stuff"""      )
          .to(__UpperCAmelCase      )
          .eval()
      )
      lowerCAmelCase__ :  Optional[Any]							      =					self.default_image_processor
      lowerCAmelCase__ :  int							      =					prepare_img()
      lowerCAmelCase__ :  Optional[Any]							      =					image_processor(__UpperCAmelCase  ,return_tensors="""pt"""      ).to(__UpperCAmelCase      )
      lowerCAmelCase__ :  str							      =					inputs["""pixel_values"""].shape
      # check size is divisible by 32
      self.assertTrue((inputs_shape[-1] % 32) == 0 and (inputs_shape[-2] % 32) == 0      )
      # check size
      self.assertEqual(__UpperCAmelCase  ,(1, 3, 800, 1088)      )

      with torch.no_grad():
          lowerCAmelCase__ :  str							      =					model(**__UpperCAmelCase      )
      # masks_queries_logits
      lowerCAmelCase__ :  Optional[Any]							      =					outputs.masks_queries_logits
      self.assertEqual(
          masks_queries_logits.shape  ,(1, model.config.decoder_config.num_queries, inputs_shape[-2] // 4, inputs_shape[-1] // 4)  ,)
      lowerCAmelCase__ :  int							      =					[[-0.9_0_4_6, -2.6_3_6_6, -4.6_0_6_2], [-3.4_1_7_9, -5.7_8_9_0, -8.8_0_5_7], [-4.9_1_7_9, -7.6_5_6_0, -1_0.7_7_1_1]]
      lowerCAmelCase__ :  List[str]							      =					torch.tensor(__UpperCAmelCase      ).to(__UpperCAmelCase      )
      self.assertTrue(torch.allclose(masks_queries_logits[0, 0, :3, :3]  ,__UpperCAmelCase  ,atol=__UpperCAmelCase      )      )
      # class_queries_logits
      lowerCAmelCase__ :  Optional[Any]							      =					outputs.class_queries_logits
      self.assertEqual(
          class_queries_logits.shape  ,(1, model.config.decoder_config.num_queries, model.config.num_labels + 1)      )
      lowerCAmelCase__ :  Tuple							      =					torch.tensor(
          [[4.7_1_8_8, -3.2_5_8_5, -2.8_8_5_7], [6.6_8_7_1, -2.9_1_8_1, -1.2_4_8_7], [7.2_4_4_9, -2.2_7_6_4, -2.1_8_7_4]]      ).to(__UpperCAmelCase      )
      self.assertTrue(torch.allclose(outputs.class_queries_logits[0, :3, :3]  ,__UpperCAmelCase  ,atol=__UpperCAmelCase      )      )






  def 							UpperCAmelCase_	(    self      )    ->		Optional[Any]:
      lowerCAmelCase__ :  str							      =					(
          MaskFormerForInstanceSegmentation.from_pretrained("""facebook/maskformer-swin-small-coco"""      )
          .to(__UpperCAmelCase      )
          .eval()
      )
      lowerCAmelCase__ :  Dict							      =					self.default_image_processor

      lowerCAmelCase__ :  Union[str, Any]							      =					image_processor(
          [np.zeros((3, 800, 1333)      ), np.zeros((3, 800, 1333)      )]  ,segmentation_maps=[np.zeros((384, 384)      ).astype(np.floataa      ), np.zeros((384, 384)      ).astype(np.floataa      )]  ,return_tensors="""pt"""  ,)

      lowerCAmelCase__ :  Tuple							      =					inputs["""pixel_values"""].to(__UpperCAmelCase      )
      lowerCAmelCase__ :  Union[str, Any]							      =					[el.to(__UpperCAmelCase      ) for el in inputs["""mask_labels"""]]
      lowerCAmelCase__ :  Union[str, Any]							      =					[el.to(__UpperCAmelCase      ) for el in inputs["""class_labels"""]]

      with torch.no_grad():
          lowerCAmelCase__ :  Any							      =					model(**__UpperCAmelCase      )

      self.assertTrue(outputs.loss is not None      )



import argparse
import json
import os

import evaluate
import torch
from datasets import load_dataset
from torch.optim import AdamW
from torch.utils.data import DataLoader
from transformers import AutoModelForSequenceClassification, AutoTokenizer, get_linear_schedule_with_warmup, set_seed

from accelerate import Accelerator, DistributedType
from accelerate.utils.deepspeed import DummyOptim, DummyScheduler


__lowercase							 =					16
__lowercase							 =					32



def lowerCamelCase  (   SCREAMING_SNAKE_CASE  ,			SCREAMING_SNAKE_CASE = 16  ,			SCREAMING_SNAKE_CASE = "bert-base-cased"	):
    '''simple docstring'''







    __UpperCamelCase     :List[str]			  =		AutoTokenizer.from_pretrained(SCREAMING_SNAKE_CASE	)
    __UpperCamelCase     :Any			  =		load_dataset('''glue'''  ,			'''mrpc'''	)

    def tokenize_function(SCREAMING_SNAKE_CASE	):
        # max_length=None => use the model max length (it's actually the default)
        __UpperCamelCase     :int			  =		tokenizer(examples['''sentence1''']  ,			examples['''sentence2''']  ,			truncation=SCREAMING_SNAKE_CASE  ,			max_length=SCREAMING_SNAKE_CASE	)
        return outputs

    # Apply the method we just defined to all the examples in all the splits of the dataset
    __UpperCamelCase     :Tuple			  =		datasets.map(
        SCREAMING_SNAKE_CASE  ,			batched=SCREAMING_SNAKE_CASE  ,			remove_columns=['''idx''', '''sentence1''', '''sentence2''']  ,			load_from_cache_file=SCREAMING_SNAKE_CASE	)

    # We also rename the 'label' column to 'labels' which is the expected name for labels by the models of the
    # transformers library
    __UpperCamelCase     :List[str]			  =		tokenized_datasets.rename_column('''label'''  ,			'''labels'''	)

    def collate_fn(SCREAMING_SNAKE_CASE	):
        # On TPU it's best to pad everything to the same length or training will be very slow.
        if accelerator.distributed_type == DistributedType.TPU:
            return tokenizer.pad(SCREAMING_SNAKE_CASE  ,			padding='''max_length'''  ,			max_length=128  ,			return_tensors='''pt'''	)
        return tokenizer.pad(SCREAMING_SNAKE_CASE  ,			padding='''longest'''  ,			return_tensors='''pt'''	)

    # Instantiate dataloaders.
    __UpperCamelCase     :Union[str, Any]			  =		DataLoader(
        tokenized_datasets['''train''']  ,			shuffle=SCREAMING_SNAKE_CASE  ,			collate_fn=SCREAMING_SNAKE_CASE  ,			batch_size=SCREAMING_SNAKE_CASE	)
    __UpperCamelCase     :Dict			  =		DataLoader(
        tokenized_datasets['''validation''']  ,			shuffle=SCREAMING_SNAKE_CASE  ,			collate_fn=SCREAMING_SNAKE_CASE  ,			batch_size=SCREAMING_SNAKE_CASE	)

    return train_dataloader, eval_dataloader



def lowerCamelCase  (   SCREAMING_SNAKE_CASE  ,			SCREAMING_SNAKE_CASE	):
    '''simple docstring'''







    __UpperCamelCase     :List[Any]			  =		Accelerator()

    # Sample hyper-parameters for learning rate, batch size, seed and a few other HPs
    __UpperCamelCase     :int			  =		config['''lr''']
    __UpperCamelCase     :str			  =		int(config['''num_epochs''']	)
    __UpperCamelCase     :Any			  =		int(config['''seed''']	)
    __UpperCamelCase     :Dict			  =		int(config['''batch_size''']	)
    __UpperCamelCase     :Optional[Any]			  =		args.model_name_or_path

    set_seed(SCREAMING_SNAKE_CASE	)
    __UpperCamelCase  ,       __UpperCamelCase     :Dict			  =		get_dataloaders(SCREAMING_SNAKE_CASE  ,			SCREAMING_SNAKE_CASE  ,			SCREAMING_SNAKE_CASE	)

    # Instantiate the model (we build the model here so that the seed also control new weights initialization)
    __UpperCamelCase     :Any			  =		AutoModelForSequenceClassification.from_pretrained(SCREAMING_SNAKE_CASE  ,			return_dict=SCREAMING_SNAKE_CASE	)

    # Instantiate optimizer
    __UpperCamelCase     :List[str]			  =		(
        AdamW
        if accelerator.state.deepspeed_plugin is None
        or '''optimizer''' not in accelerator.state.deepspeed_plugin.deepspeed_config
        else DummyOptim
    )
    __UpperCamelCase     :Optional[Any]			  =		optimizer_cls(params=model.parameters()  ,			lr=SCREAMING_SNAKE_CASE	)

    if accelerator.state.deepspeed_plugin is not None:
        __UpperCamelCase     :Dict			  =		accelerator.state.deepspeed_plugin.deepspeed_config[
            '''gradient_accumulation_steps'''
        ]
    else:
        __UpperCamelCase     :Dict			  =		1
    __UpperCamelCase     :Tuple			  =		(len(SCREAMING_SNAKE_CASE	) * num_epochs) // gradient_accumulation_steps

    # Instantiate scheduler
    if (
        accelerator.state.deepspeed_plugin is None
        or "scheduler" not in accelerator.state.deepspeed_plugin.deepspeed_config
    ):
        __UpperCamelCase     :str			  =		get_linear_schedule_with_warmup(
            optimizer=SCREAMING_SNAKE_CASE  ,			num_warmup_steps=0  ,			num_training_steps=SCREAMING_SNAKE_CASE  ,			)
    else:
        __UpperCamelCase     :Dict			  =		DummyScheduler(SCREAMING_SNAKE_CASE  ,			total_num_steps=SCREAMING_SNAKE_CASE  ,			warmup_num_steps=0	)

    # Prepare everything
    # There is no specific order to remember, we just need to unpack the objects in the same order we gave them to the
    # prepare method.
    __UpperCamelCase  ,       __UpperCamelCase  ,       __UpperCamelCase  ,       __UpperCamelCase  ,       __UpperCamelCase     :int			  =		accelerator.prepare(
        SCREAMING_SNAKE_CASE  ,			SCREAMING_SNAKE_CASE  ,			SCREAMING_SNAKE_CASE  ,			SCREAMING_SNAKE_CASE  ,			SCREAMING_SNAKE_CASE	)

    # We need to keep track of how many total steps we have iterated over
    __UpperCamelCase     :List[Any]			  =		0
    # We also need to keep track of the stating epoch so files are named properly
    __UpperCamelCase     :Dict			  =		0

    # Now we train the model
    __UpperCamelCase     :Any			  =		evaluate.load('''glue'''  ,			'''mrpc'''	)
    __UpperCamelCase     :Union[str, Any]			  =		0
    __UpperCamelCase     :Optional[int]			  =		{}
    for epoch in range(SCREAMING_SNAKE_CASE  ,			SCREAMING_SNAKE_CASE	):
        model.train()
        for step, batch in enumerate(SCREAMING_SNAKE_CASE	):
            __UpperCamelCase     :Optional[Any]			  =		model(**SCREAMING_SNAKE_CASE	)
            __UpperCamelCase     :Tuple			  =		outputs.loss
            __UpperCamelCase     :str			  =		loss / gradient_accumulation_steps
            accelerator.backward(SCREAMING_SNAKE_CASE	)
            if step % gradient_accumulation_steps == 0:
                optimizer.step()
                lr_scheduler.step()
                optimizer.zero_grad()

            overall_step += 1

        model.eval()
        __UpperCamelCase     :Any			  =		0
        for step, batch in enumerate(SCREAMING_SNAKE_CASE	):
            # We could avoid this line since we set the accelerator with `device_placement=True`.
            batch.to(accelerator.device	)
            with torch.no_grad():
                __UpperCamelCase     :Any			  =		model(**SCREAMING_SNAKE_CASE	)
            __UpperCamelCase     :Optional[int]			  =		outputs.logits.argmax(dim=-1	)
            # It is slightly faster to call this once, than multiple times
            __UpperCamelCase  ,       __UpperCamelCase     :List[Any]			  =		accelerator.gather(
                (predictions, batch['''labels'''])	)  # If we are in a multiprocess environment, the last batch has duplicates
            if accelerator.use_distributed:
                if step == len(SCREAMING_SNAKE_CASE	) - 1:
                    __UpperCamelCase     :List[str]			  =		predictions[: len(eval_dataloader.dataset	) - samples_seen]
                    __UpperCamelCase     :Optional[int]			  =		references[: len(eval_dataloader.dataset	) - samples_seen]
                else:
                    samples_seen += references.shape[0]
            metric.add_batch(
                predictions=SCREAMING_SNAKE_CASE  ,			references=SCREAMING_SNAKE_CASE  ,			)

        __UpperCamelCase     :Dict			  =		metric.compute()
        # Use accelerator.print to print only on the main process.
        accelerator.print(f"""epoch {epoch}:"""  ,			SCREAMING_SNAKE_CASE	)
        __UpperCamelCase     :str			  =		eval_metric['''accuracy''']

        if best_performance < eval_metric["accuracy"]:
            __UpperCamelCase     :int			  =		eval_metric['''accuracy''']

    if args.performance_lower_bound is not None:
        assert (
            args.performance_lower_bound <= best_performance
        ), f"""Best performance metric {best_performance} is lower than the lower bound {args.performance_lower_bound}"""

    accelerator.wait_for_everyone()
    if accelerator.is_main_process:
        with open(os.path.join(args.output_dir  ,			'''all_results.json'''	)  ,			'''w'''	) as f:
            json.dump(SCREAMING_SNAKE_CASE  ,			SCREAMING_SNAKE_CASE	)



def lowerCamelCase  (   ):
    '''simple docstring'''







    __UpperCamelCase     :Tuple			  =		argparse.ArgumentParser(description='''Simple example of training script tracking peak GPU memory usage.'''	)
    parser.add_argument(
        '''--model_name_or_path'''  ,			type=SCREAMING_SNAKE_CASE  ,			default='''bert-base-cased'''  ,			help='''Path to pretrained model or model identifier from huggingface.co/models.'''  ,			required=SCREAMING_SNAKE_CASE  ,			)
    parser.add_argument(
        '''--output_dir'''  ,			type=SCREAMING_SNAKE_CASE  ,			default='''.'''  ,			help='''Optional save directory where all checkpoint folders will be stored. Default is the current working directory.'''  ,			)
    parser.add_argument(
        '''--performance_lower_bound'''  ,			type=SCREAMING_SNAKE_CASE  ,			default=SCREAMING_SNAKE_CASE  ,			help='''Optional lower bound for the performance metric. If set, the training will throw error when the performance metric drops below this value.'''  ,			)
    parser.add_argument(
        '''--num_epochs'''  ,			type=SCREAMING_SNAKE_CASE  ,			default=3  ,			help='''Number of train epochs.'''  ,			)
    __UpperCamelCase     :List[str]			  =		parser.parse_args()
    __UpperCamelCase     :Tuple			  =		{'''lr''': 2e-5, '''num_epochs''': args.num_epochs, '''seed''': 42, '''batch_size''': 16}
    training_function(SCREAMING_SNAKE_CASE  ,			SCREAMING_SNAKE_CASE	)


if __name__ == "__main__":
    main()





