


'''simple docstring'''

import unittest

from transformers import AutoTokenizer, NystromformerConfig, is_torch_available
from transformers.testing_utils import require_torch, slow, torch_device

from ...test_configuration_common import ConfigTester
from ...test_modeling_common import ModelTesterMixin, ids_tensor, random_attention_mask
from ...test_pipeline_mixin import PipelineTesterMixin


if is_torch_available():
 import torch

 from transformers import (
     NystromformerForMaskedLM,
     NystromformerForMultipleChoice,
     NystromformerForQuestionAnswering,
     NystromformerForSequenceClassification,
     NystromformerForTokenClassification,
     NystromformerModel,
 )
 from transformers.models.nystromformer.modeling_nystromformer import NYSTROMFORMER_PRETRAINED_MODEL_ARCHIVE_LIST
class   __lowerCAmelCase						:





      '''simple docstring'''






      def __init__(self    :    Union[str, Any]   ,						UpperCamelCase    :    Tuple   ,						UpperCamelCase    :    List[str]=13   ,						UpperCamelCase    :    Optional[Any]=7   ,						UpperCamelCase    :    Optional[int]=True   ,						UpperCamelCase    :    List[str]=True   ,						UpperCamelCase    :    Optional[Any]=True   ,						UpperCamelCase    :    str=True   ,						UpperCamelCase    :    Dict=99   ,						UpperCamelCase    :    Optional[Any]=32   ,						UpperCamelCase    :    Dict=5   ,						UpperCamelCase    :    List[Any]=4   ,						UpperCamelCase    :    Optional[int]=37   ,						UpperCamelCase    :    str="gelu"   ,						UpperCamelCase    :    List[Any]=0.1   ,						UpperCamelCase    :    Optional[Any]=0.1   ,						UpperCamelCase    :    Optional[Any]=512   ,						UpperCamelCase    :    Optional[Any]=16   ,						UpperCamelCase    :    str=2   ,						UpperCamelCase    :    Any=0.02   ,						UpperCamelCase    :    Tuple=3   ,						UpperCamelCase    :    Optional[Any]=4   ,						UpperCamelCase    :    Union[str, Any]=None   ,						):

             '''simple docstring'''







             lowercase__      			= parent
             lowercase__      			= batch_size
             lowercase__      			= seq_length
             lowercase__      			= is_training
             lowercase__      			= use_input_mask
             lowercase__      			= use_token_type_ids
             lowercase__      			= use_labels
             lowercase__      			= vocab_size
             lowercase__      			= hidden_size
             lowercase__      			= num_hidden_layers
             lowercase__      			= num_attention_heads
             lowercase__      			= intermediate_size
             lowercase__      			= hidden_act
             lowercase__      			= hidden_dropout_prob
             lowercase__      			= attention_probs_dropout_prob
             lowercase__      			= max_position_embeddings
             lowercase__      			= type_vocab_size
             lowercase__      			= type_sequence_label_size
             lowercase__      			= initializer_range
             lowercase__      			= num_labels
             lowercase__      			= num_choices
             lowercase__      			= scope



      def       UpperCamelCase__		(self    :    str ):

             '''simple docstring'''







             lowercase__      			= ids_tensor([self.batch_size, self.seq_length]   ,						self.vocab_size )

             lowercase__      			= None
             if self.use_input_mask:
                    lowercase__      			= random_attention_mask([self.batch_size, self.seq_length] )

             lowercase__      			= None
             if self.use_token_type_ids:
                    lowercase__      			= ids_tensor([self.batch_size, self.seq_length]   ,						self.type_vocab_size )

             lowercase__      			= None
             lowercase__      			= None
             lowercase__      			= None
             if self.use_labels:
                    lowercase__      			= ids_tensor([self.batch_size]   ,						self.type_sequence_label_size )
                    lowercase__      			= ids_tensor([self.batch_size, self.seq_length]   ,						self.num_labels )
                    lowercase__      			= ids_tensor([self.batch_size]   ,						self.num_choices )

             lowercase__      			= self.get_config()

             return config, input_ids, token_type_ids, input_mask, sequence_labels, token_labels, choice_labels



      def       UpperCamelCase__		(self    :    str ):

             '''simple docstring'''







             return NystromformerConfig(
                 vocab_size=self.vocab_size   ,						hidden_size=self.hidden_size   ,						num_hidden_layers=self.num_hidden_layers   ,						num_attention_heads=self.num_attention_heads   ,						intermediate_size=self.intermediate_size   ,						hidden_act=self.hidden_act   ,						hidden_dropout_prob=self.hidden_dropout_prob   ,						attention_probs_dropout_prob=self.attention_probs_dropout_prob   ,						max_position_embeddings=self.max_position_embeddings   ,						type_vocab_size=self.type_vocab_size   ,						is_decoder=UpperCamelCase   ,						initializer_range=self.initializer_range   ,						)



      def       UpperCamelCase__		(self    :    Optional[int]   ,						UpperCamelCase    :    List[str]   ,						UpperCamelCase    :    Tuple   ,						UpperCamelCase    :    Tuple   ,						UpperCamelCase    :    Any   ,						UpperCamelCase    :    Tuple   ,						UpperCamelCase    :    List[str]   ,						UpperCamelCase    :    int ):

             '''simple docstring'''







             lowercase__      			= NystromformerModel(config=UpperCamelCase )
             model.to(UpperCamelCase )
             model.eval()
             lowercase__      			= model(UpperCamelCase   ,						attention_mask=UpperCamelCase   ,						token_type_ids=UpperCamelCase )
             lowercase__      			= model(UpperCamelCase   ,						token_type_ids=UpperCamelCase )
             lowercase__      			= model(UpperCamelCase )
             self.parent.assertEqual(result.last_hidden_state.shape   ,						(self.batch_size, self.seq_length, self.hidden_size) )



      def       UpperCamelCase__		(self    :    Tuple   ,						UpperCamelCase    :    Any   ,						UpperCamelCase    :    Optional[Any]   ,						UpperCamelCase    :    Union[str, Any]   ,						UpperCamelCase    :    Optional[Any]   ,						UpperCamelCase    :    Any   ,						UpperCamelCase    :    Optional[Any]   ,						UpperCamelCase    :    Tuple ):

             '''simple docstring'''







             lowercase__      			= NystromformerForMaskedLM(config=UpperCamelCase )
             model.to(UpperCamelCase )
             model.eval()
             lowercase__      			= model(UpperCamelCase   ,						attention_mask=UpperCamelCase   ,						token_type_ids=UpperCamelCase   ,						labels=UpperCamelCase )
             self.parent.assertEqual(result.logits.shape   ,						(self.batch_size, self.seq_length, self.vocab_size) )



      def       UpperCamelCase__		(self    :    List[str]   ,						UpperCamelCase    :    Any   ,						UpperCamelCase    :    str   ,						UpperCamelCase    :    Optional[int]   ,						UpperCamelCase    :    str   ,						UpperCamelCase    :    Union[str, Any]   ,						UpperCamelCase    :    Optional[int]   ,						UpperCamelCase    :    Optional[Any] ):

             '''simple docstring'''







             lowercase__      			= NystromformerForQuestionAnswering(config=UpperCamelCase )
             model.to(UpperCamelCase )
             model.eval()
             lowercase__      			= model(
                 UpperCamelCase   ,						attention_mask=UpperCamelCase   ,						token_type_ids=UpperCamelCase   ,						start_positions=UpperCamelCase   ,						end_positions=UpperCamelCase   ,						)
             self.parent.assertEqual(result.start_logits.shape   ,						(self.batch_size, self.seq_length) )
             self.parent.assertEqual(result.end_logits.shape   ,						(self.batch_size, self.seq_length) )



      def       UpperCamelCase__		(self    :    str   ,						UpperCamelCase    :    str   ,						UpperCamelCase    :    Union[str, Any]   ,						UpperCamelCase    :    int   ,						UpperCamelCase    :    List[Any]   ,						UpperCamelCase    :    Optional[int]   ,						UpperCamelCase    :    Union[str, Any]   ,						UpperCamelCase    :    Optional[Any] ):

             '''simple docstring'''







             lowercase__      			= self.num_labels
             lowercase__      			= NystromformerForSequenceClassification(UpperCamelCase )
             model.to(UpperCamelCase )
             model.eval()
             lowercase__      			= model(UpperCamelCase   ,						attention_mask=UpperCamelCase   ,						token_type_ids=UpperCamelCase   ,						labels=UpperCamelCase )
             self.parent.assertEqual(result.logits.shape   ,						(self.batch_size, self.num_labels) )



      def       UpperCamelCase__		(self    :    List[str]   ,						UpperCamelCase    :    Union[str, Any]   ,						UpperCamelCase    :    Union[str, Any]   ,						UpperCamelCase    :    List[str]   ,						UpperCamelCase    :    Union[str, Any]   ,						UpperCamelCase    :    Union[str, Any]   ,						UpperCamelCase    :    Tuple   ,						UpperCamelCase    :    List[Any] ):

             '''simple docstring'''







             lowercase__      			= self.num_labels
             lowercase__      			= NystromformerForTokenClassification(config=UpperCamelCase )
             model.to(UpperCamelCase )
             model.eval()
             lowercase__      			= model(UpperCamelCase   ,						attention_mask=UpperCamelCase   ,						token_type_ids=UpperCamelCase   ,						labels=UpperCamelCase )
             self.parent.assertEqual(result.logits.shape   ,						(self.batch_size, self.seq_length, self.num_labels) )



      def       UpperCamelCase__		(self    :    List[Any]   ,						UpperCamelCase    :    List[str]   ,						UpperCamelCase    :    Dict   ,						UpperCamelCase    :    Tuple   ,						UpperCamelCase    :    int   ,						UpperCamelCase    :    Any   ,						UpperCamelCase    :    Union[str, Any]   ,						UpperCamelCase    :    int ):

             '''simple docstring'''







             lowercase__      			= self.num_choices
             lowercase__      			= NystromformerForMultipleChoice(config=UpperCamelCase )
             model.to(UpperCamelCase )
             model.eval()
             lowercase__      			= input_ids.unsqueeze(1 ).expand(-1   ,						self.num_choices   ,						-1 ).contiguous()
             lowercase__      			= token_type_ids.unsqueeze(1 ).expand(-1   ,						self.num_choices   ,						-1 ).contiguous()
             lowercase__      			= input_mask.unsqueeze(1 ).expand(-1   ,						self.num_choices   ,						-1 ).contiguous()
             lowercase__      			= model(
                 UpperCamelCase   ,						attention_mask=UpperCamelCase   ,						token_type_ids=UpperCamelCase   ,						labels=UpperCamelCase   ,						)
             self.parent.assertEqual(result.logits.shape   ,						(self.batch_size, self.num_choices) )






      def       UpperCamelCase__		(self    :    str ):

             '''simple docstring'''







             lowercase__      			= self.prepare_config_and_inputs()
             (
                 (
                 lowercase__
             )			,(
                 lowercase__
             )			,(
                 lowercase__
             )			,(
                 lowercase__
             )			,(
                 lowercase__
             )			,(
                 lowercase__
             )			,(
                 lowercase__
             )			,
             )      			= config_and_inputs
             lowercase__      			= {'''input_ids''': input_ids, '''token_type_ids''': token_type_ids, '''attention_mask''': input_mask}
             return config, inputs_dict






@require_torch
class   __lowerCAmelCase						(lowercase_  ,     lowercase_  ,     unittest.TestCase     ):





      '''simple docstring'''






      lowerCAmelCase__					:     Any  					=							(
          (
              NystromformerModel,
              NystromformerForMaskedLM,
              NystromformerForMultipleChoice,
              NystromformerForQuestionAnswering,
              NystromformerForSequenceClassification,
              NystromformerForTokenClassification,
          )
          if is_torch_available()
          else ()
      )
      lowerCAmelCase__					:     Dict  					=							(
          {
              """feature-extraction""": NystromformerModel,
              """fill-mask""": NystromformerForMaskedLM,
              """question-answering""": NystromformerForQuestionAnswering,
              """text-classification""": NystromformerForSequenceClassification,
              """token-classification""": NystromformerForTokenClassification,
              """zero-shot""": NystromformerForSequenceClassification,
          }
          if is_torch_available()
          else {}
      )
      lowerCAmelCase__					:     Tuple  					=							False
      lowerCAmelCase__					:     Dict  					=							False



      def       UpperCamelCase__		(self    :    List[Any] ):

             '''simple docstring'''







             lowercase__      			= NystromformerModelTester(self )
             lowercase__      			= ConfigTester(self   ,						config_class=UpperCamelCase   ,						hidden_size=37 )



      def       UpperCamelCase__		(self    :    List[str] ):

             '''simple docstring'''







             self.config_tester.run_common_tests()



      def       UpperCamelCase__		(self    :    Tuple ):

             '''simple docstring'''







             lowercase__      			= self.model_tester.prepare_config_and_inputs()
             self.model_tester.create_and_check_model(*UpperCamelCase )



      def       UpperCamelCase__		(self    :    int ):

             '''simple docstring'''







             lowercase__      			= self.model_tester.prepare_config_and_inputs()
             for type in ["absolute", "relative_key", "relative_key_query"]:
                    lowercase__      			= type
                    self.model_tester.create_and_check_model(*UpperCamelCase )



      def       UpperCamelCase__		(self    :    int ):

             '''simple docstring'''







             lowercase__      			= self.model_tester.prepare_config_and_inputs()
             self.model_tester.create_and_check_for_masked_lm(*UpperCamelCase )



      def       UpperCamelCase__		(self    :    Optional[int] ):

             '''simple docstring'''







             lowercase__      			= self.model_tester.prepare_config_and_inputs()
             self.model_tester.create_and_check_for_multiple_choice(*UpperCamelCase )



      def       UpperCamelCase__		(self    :    Optional[Any] ):

             '''simple docstring'''







             lowercase__      			= self.model_tester.prepare_config_and_inputs()
             self.model_tester.create_and_check_for_question_answering(*UpperCamelCase )



      def       UpperCamelCase__		(self    :    Tuple ):

             '''simple docstring'''







             lowercase__      			= self.model_tester.prepare_config_and_inputs()
             self.model_tester.create_and_check_for_sequence_classification(*UpperCamelCase )



      def       UpperCamelCase__		(self    :    Dict ):

             '''simple docstring'''







             lowercase__      			= self.model_tester.prepare_config_and_inputs()
             self.model_tester.create_and_check_for_token_classification(*UpperCamelCase )






      @slow
      def       UpperCamelCase__		(self    :    List[str] ):

             '''simple docstring'''







             for model_name in NYSTROMFORMER_PRETRAINED_MODEL_ARCHIVE_LIST[:1]:
                    lowercase__      			= NystromformerModel.from_pretrained(UpperCamelCase )
                    self.assertIsNotNone(UpperCamelCase )






@require_torch
class   __lowerCAmelCase						(unittest.TestCase     ):





      '''simple docstring'''






      @slow
      def       UpperCamelCase__		(self    :    Union[str, Any] ):

             '''simple docstring'''







             lowercase__      			= NystromformerModel.from_pretrained('''uw-madison/nystromformer-512''' )
             lowercase__      			= torch.tensor([[0, 1, 2, 3, 4, 5]] )

             with torch.no_grad():
                    lowercase__      			= model(UpperCamelCase )[0]

             lowercase__      			= torch.Size((1, 6, 768) )
             self.assertEqual(output.shape   ,						UpperCamelCase )

             lowercase__      			= torch.tensor(
                 [[[-0.45_32, -0.09_36, 0.51_37], [-0.26_76, 0.06_28, 0.61_86], [-0.36_29, -0.17_26, 0.47_16]]] )

             self.assertTrue(torch.allclose(output[:, :3, :3]   ,						UpperCamelCase   ,						atol=1E-4 ) )






      @slow
      def       UpperCamelCase__		(self    :    Any ):

             '''simple docstring'''







             lowercase__      			= '''the [MASK] of Belgium is Brussels'''

             lowercase__      			= AutoTokenizer.from_pretrained('''uw-madison/nystromformer-512''' )
             lowercase__      			= NystromformerForMaskedLM.from_pretrained('''uw-madison/nystromformer-512''' )

             lowercase__      			= tokenizer(UpperCamelCase   ,						return_tensors='''pt''' )

             with torch.no_grad():
                    lowercase__      			= model(encoding.input_ids ).logits

             lowercase__      			= token_logits[:, 2, :].argmax(-1 )[0]

             self.assertEqual(tokenizer.decode(UpperCamelCase )   ,						'''capital''' )





import argparse
from pathlib import Path

import fairseq
import torch
from fairseq.models.xmod import XMODModel as FairseqXmodModel
from packaging import version

from transformers import XmodConfig, XmodForMaskedLM, XmodForSequenceClassification
from transformers.utils import logging


if version.parse(fairseq.__version__) < version.parse('''0.12.2'''):
   raise Exception('''requires fairseq >= 0.12.2''')
if version.parse(fairseq.__version__) > version.parse('''2'''):
   raise Exception('''requires fairseq < v2''')

logging.set_verbosity_info()
__lowerCamelCase			: Dict							   =		logging.get_logger(__name__)

__lowerCamelCase			: Dict							   =		'''Hello, World!'''
__lowerCamelCase			: Optional[Any]							   =		'''en_XX'''



def 	__SCREAMING_SNAKE_CASE  (					__UpperCamelCase    :       str ,     __UpperCamelCase    :       str ,     __UpperCamelCase    :       bool	)							->					Any:







  """simple docstring"""





  SCREAMING_SNAKE_CASE__										=      Path("""data_bin"""	)
  SCREAMING_SNAKE_CASE__										=      FairseqXmodModel.from_pretrained(
      model_name_or_path=str(Path(__UpperCamelCase	).parent	) ,     checkpoint_file=Path(__UpperCamelCase	).name ,     _name="""xmod_base""" ,     arch="""xmod_base""" ,     task="""multilingual_masked_lm""" ,     data_name_or_path=str(__UpperCamelCase	) ,     bpe="""sentencepiece""" ,     sentencepiece_model=str(Path(__UpperCamelCase	).parent / """sentencepiece.bpe.model"""	) ,     src_dict=str(data_dir / """dict.txt"""	) ,     )
  xmod.eval()  # disable dropout
  print(__UpperCamelCase	)

  SCREAMING_SNAKE_CASE__										=      xmod.model.encoder.sentence_encoder
  SCREAMING_SNAKE_CASE__										=      XmodConfig(
      vocab_size=xmod_sent_encoder.embed_tokens.num_embeddings ,     hidden_size=xmod.cfg.model.encoder_embed_dim ,     num_hidden_layers=xmod.cfg.model.encoder_layers ,     num_attention_heads=xmod.cfg.model.encoder_attention_heads ,     intermediate_size=xmod.cfg.model.encoder_ffn_embed_dim ,     max_position_embeddings=5_14 ,     type_vocab_size=1 ,     layer_norm_eps=1E-5 ,     pre_norm=xmod.cfg.model.encoder_normalize_before ,     adapter_reduction_factor=getattr(xmod.cfg.model ,     """bottleneck""" ,     2	) ,     adapter_layer_norm=xmod.cfg.model.adapter_layer_norm ,     adapter_reuse_layer_norm=xmod.cfg.model.adapter_reuse_layer_norm ,     ln_before_adapter=xmod.cfg.model.ln_before_adapter ,     languages=xmod.cfg.model.languages ,     )
  if classification_head:
    SCREAMING_SNAKE_CASE__										=      xmod.model.classification_heads["""mnli"""].out_proj.weight.shape[0]

  print("""Our X-MOD config:""" ,     __UpperCamelCase	)

  SCREAMING_SNAKE_CASE__										=      XmodForSequenceClassification(__UpperCamelCase	) if classification_head else XmodForMaskedLM(__UpperCamelCase	)
  model.eval()

  # Now let's copy all the weights.
  # Embeddings
  SCREAMING_SNAKE_CASE__										=      xmod_sent_encoder.embed_tokens.weight
  SCREAMING_SNAKE_CASE__										=      xmod_sent_encoder.embed_positions.weight
  SCREAMING_SNAKE_CASE__										=      torch.zeros_like(
      model.roberta.embeddings.token_type_embeddings.weight	)  # just zero them out b/c xmod doesn't use them.

  SCREAMING_SNAKE_CASE__										=      xmod_sent_encoder.layernorm_embedding.weight
  SCREAMING_SNAKE_CASE__										=      xmod_sent_encoder.layernorm_embedding.bias

  for i in range(config.num_hidden_layers	):
    # Encoder: start of layer
    SCREAMING_SNAKE_CASE__										=      model.roberta.encoder.layer[i]
    SCREAMING_SNAKE_CASE__										=      xmod_sent_encoder.layers[i]

    # self attention
    SCREAMING_SNAKE_CASE__										=      layer.attention.self
    if not (
        xmod_layer.self_attn.k_proj.weight.data.shape
        == xmod_layer.self_attn.q_proj.weight.data.shape
        == xmod_layer.self_attn.v_proj.weight.data.shape
        == torch.Size((config.hidden_size, config.hidden_size)	)
    ):
      raise AssertionError("""Dimensions of self-attention weights do not match."""	)

    SCREAMING_SNAKE_CASE__										=      xmod_layer.self_attn.q_proj.weight
    SCREAMING_SNAKE_CASE__										=      xmod_layer.self_attn.q_proj.bias
    SCREAMING_SNAKE_CASE__										=      xmod_layer.self_attn.k_proj.weight
    SCREAMING_SNAKE_CASE__										=      xmod_layer.self_attn.k_proj.bias
    SCREAMING_SNAKE_CASE__										=      xmod_layer.self_attn.v_proj.weight
    SCREAMING_SNAKE_CASE__										=      xmod_layer.self_attn.v_proj.bias

    # self-attention output
    SCREAMING_SNAKE_CASE__										=      layer.attention.output
    if self_output.dense.weight.shape != xmod_layer.self_attn.out_proj.weight.shape:
      raise AssertionError("""Dimensions of self-attention output weights do not match."""	)
    SCREAMING_SNAKE_CASE__										=      xmod_layer.self_attn.out_proj.weight
    SCREAMING_SNAKE_CASE__										=      xmod_layer.self_attn.out_proj.bias
    SCREAMING_SNAKE_CASE__										=      xmod_layer.self_attn_layer_norm.weight
    SCREAMING_SNAKE_CASE__										=      xmod_layer.self_attn_layer_norm.bias

    # intermediate
    SCREAMING_SNAKE_CASE__										=      layer.intermediate
    if intermediate.dense.weight.shape != xmod_layer.fca.weight.shape:
      raise AssertionError("""Dimensions of intermediate weights do not match."""	)
    SCREAMING_SNAKE_CASE__										=      xmod_layer.fca.weight
    SCREAMING_SNAKE_CASE__										=      xmod_layer.fca.bias

    # output
    SCREAMING_SNAKE_CASE__										=      layer.output
    if bert_output.dense.weight.shape != xmod_layer.fca.weight.shape:
      raise AssertionError("""Dimensions of feed-forward weights do not match."""	)
    SCREAMING_SNAKE_CASE__										=      xmod_layer.fca.weight
    SCREAMING_SNAKE_CASE__										=      xmod_layer.fca.bias
    SCREAMING_SNAKE_CASE__										=      xmod_layer.final_layer_norm.weight
    SCREAMING_SNAKE_CASE__										=      xmod_layer.final_layer_norm.bias
    if bert_output.adapter_layer_norm is not None:
      SCREAMING_SNAKE_CASE__										=      xmod_layer.adapter_layer_norm.weight
      SCREAMING_SNAKE_CASE__										=      xmod_layer.adapter_layer_norm.bias

    if sorted(bert_output.adapter_modules.keys()	) != sorted(xmod_layer.adapter_modules.keys()	):
      raise AssertionError("""Lists of language adapters do not match."""	)
    for lang_code, adapter in xmod_layer.adapter_modules.items():
      SCREAMING_SNAKE_CASE__										=      bert_output.adapter_modules[lang_code]
      SCREAMING_SNAKE_CASE__										=      xmod_layer.adapter_modules[lang_code]
      SCREAMING_SNAKE_CASE__										=      from_adapter.fca.weight
      SCREAMING_SNAKE_CASE__										=      from_adapter.fca.bias
      SCREAMING_SNAKE_CASE__										=      from_adapter.fca.weight
      SCREAMING_SNAKE_CASE__										=      from_adapter.fca.bias

    # end of layer

  if xmod_sent_encoder.layer_norm is not None:
    SCREAMING_SNAKE_CASE__										=      xmod_sent_encoder.layer_norm.weight
    SCREAMING_SNAKE_CASE__										=      xmod_sent_encoder.layer_norm.bias

  if classification_head:
    SCREAMING_SNAKE_CASE__										=      xmod.model.classification_heads["""mnli"""].dense.weight
    SCREAMING_SNAKE_CASE__										=      xmod.model.classification_heads["""mnli"""].dense.bias
    SCREAMING_SNAKE_CASE__										=      xmod.model.classification_heads["""mnli"""].out_proj.weight
    SCREAMING_SNAKE_CASE__										=      xmod.model.classification_heads["""mnli"""].out_proj.bias
  else:
    # LM Head
    SCREAMING_SNAKE_CASE__										=      xmod.model.encoder.lm_head.dense.weight
    SCREAMING_SNAKE_CASE__										=      xmod.model.encoder.lm_head.dense.bias
    SCREAMING_SNAKE_CASE__										=      xmod.model.encoder.lm_head.layer_norm.weight
    SCREAMING_SNAKE_CASE__										=      xmod.model.encoder.lm_head.layer_norm.bias
    SCREAMING_SNAKE_CASE__										=      xmod.model.encoder.lm_head.weight
    SCREAMING_SNAKE_CASE__										=      xmod.model.encoder.lm_head.bias

  # Let's check that we get the same results.
  SCREAMING_SNAKE_CASE__										=      xmod.encode(__UpperCamelCase	).unsqueeze(0	)  # batch of size 1
  model.roberta.set_default_language(__UpperCamelCase	)

  SCREAMING_SNAKE_CASE__										=      model(__UpperCamelCase	)[0]
  if classification_head:
    SCREAMING_SNAKE_CASE__										=      xmod.model.classification_heads["""mnli"""](xmod.extract_features(__UpperCamelCase	)	)
  else:
    SCREAMING_SNAKE_CASE__										=      xmod.model(__UpperCamelCase ,     lang_id=[SAMPLE_LANGUAGE]	)[0]
  print(our_output.shape ,     their_output.shape	)
  SCREAMING_SNAKE_CASE__										=      torch.max(torch.abs(our_output - their_output	)	).item()
  print(f"""max_absolute_diff = {max_absolute_diff}"""	)  # ~ 1e-7
  SCREAMING_SNAKE_CASE__										=      torch.allclose(__UpperCamelCase ,     __UpperCamelCase ,     atol=1E-3	)
  print("""Do both models output the same tensors?""" ,     """🔥""" if success else """💩"""	)
  if not success:
    raise Exception("""Something went wRoNg"""	)

  Path(__UpperCamelCase	).mkdir(parents=__UpperCamelCase ,     exist_ok=__UpperCamelCase	)
  print(f"""Saving model to {pytorch_dump_folder_path}"""	)
  model.save_pretrained(__UpperCamelCase	)


if __name__ == "__main__":
   __lowerCamelCase			: Dict							   =		argparse.ArgumentParser()
   # Required parameters
   parser.add_argument(
       '''--xmod_checkpoint_path''', default=None, type=str, required=True, help='''Path the official PyTorch dump.'''
   )
   parser.add_argument(
       '''--pytorch_dump_folder_path''', default=None, type=str, required=True, help='''Path to the output PyTorch model.'''
   )
   parser.add_argument(
       '''--classification_head''', action='''store_true''', help='''Whether to convert a final classification head.'''
   )
   __lowerCamelCase			: str							   =		parser.parse_args()
   convert_xmod_checkpoint_to_pytorch(
       args.xmod_checkpoint_path, args.pytorch_dump_folder_path, args.classification_head
   )
