import json
import os
import unittest

from transformers.models.fsmt.tokenization_fsmt import VOCAB_FILES_NAMES, FSMTTokenizer
from transformers.testing_utils import slow
from transformers.utils import cached_property

from ...test_tokenization_common import TokenizerTesterMixin


# using a different tiny model than the one used for default params defined in init to ensure proper testing
UpperCAmelCase				 =   """stas/tiny-wmt19-en-ru"""






class 				_SCREAMING_SNAKE_CASE( lowerCamelCase__							,   unittest.TestCase						):
   UpperCamelCase_					:    Dict			      = FSMTTokenizer
   UpperCamelCase_					:    List[str]			      = False
   def _lowercase(     self     )						->str:
        super().setUp()

        # Adapted from Sennrich et al. 2015 and https://github.com/rsennrich/subword-nmt
        a	:     str						      =    [
            '''l''',
            '''o''',
            '''w''',
            '''e''',
            '''r''',
            '''s''',
            '''t''',
            '''i''',
            '''d''',
            '''n''',
            '''w</w>''',
            '''r</w>''',
            '''t</w>''',
            '''lo''',
            '''low''',
            '''er</w>''',
            '''low</w>''',
            '''lowest</w>''',
            '''newer</w>''',
            '''wider</w>''',
            '''<unk>''',
        ]
        a	:     List[Any]						      =    dict(zip(_UpperCAmelCase				,  range(len(_UpperCAmelCase     )     )     )     )
        a	:     List[str]						      =    ['''l o 123''', '''lo w 1456''', '''e r</w> 1789''', '''''']

        a	:     Optional[Any]						      =    ['''en''', '''ru''']
        a	:     Optional[Any]						      =    {
            '''langs''': self.langs,
            '''src_vocab_size''': 10,
            '''tgt_vocab_size''': 20,
        }

        a	:     int						      =    os.path.join(self.tmpdirname				,  VOCAB_FILES_NAMES['''src_vocab_file''']     )
        a	:     List[Any]						      =    os.path.join(self.tmpdirname				,  VOCAB_FILES_NAMES['''tgt_vocab_file''']     )
        a	:     Optional[int]						      =    os.path.join(self.tmpdirname				,  '''tokenizer_config.json'''     )
        a	:     Any						      =    os.path.join(self.tmpdirname				,  VOCAB_FILES_NAMES['''merges_file''']     )
        with open(self.src_vocab_file				,  '''w'''     ) as fp:
             fp.write(json.dumps(_UpperCAmelCase     )     )
        with open(self.tgt_vocab_file				,  '''w'''     ) as fp:
             fp.write(json.dumps(_UpperCAmelCase     )     )
        with open(self.merges_file				,  '''w'''     ) as fp:
             fp.write('''\n'''.join(_UpperCAmelCase     )     )
        with open(_UpperCAmelCase				,  '''w'''     ) as fp:
             fp.write(json.dumps(_UpperCAmelCase     )     )
   @cached_property
   def _lowercase(     self     )						->str:
        return FSMTTokenizer.from_pretrained('''facebook/wmt19-ru-en'''     )
   @cached_property
   def _lowercase(     self     )						->List[str]:
        return FSMTTokenizer.from_pretrained('''facebook/wmt19-en-ru'''     )
   def _lowercase(     self     )						->Union[str, Any]:
        a	:     List[str]						      =    FSMTTokenizer.from_pretrained(_UpperCAmelCase     )
        self.assertListEqual([tokenizer.src_lang, tokenizer.tgt_lang]				,  ['''en''', '''ru''']     )
        self.assertEqual(tokenizer.src_vocab_size				,  21     )
        self.assertEqual(tokenizer.tgt_vocab_size				,  21     )
   def _lowercase(     self     )						->str:
        a	:     Optional[int]						      =    FSMTTokenizer(self.langs				,  self.src_vocab_file				,  self.tgt_vocab_file				,  self.merges_file     )

        a	:     List[str]						      =    '''lower'''
        a	:     Optional[int]						      =    ['''low''', '''er</w>''']
        a	:     str						      =    tokenizer.tokenize(_UpperCAmelCase     )
        self.assertListEqual(_UpperCAmelCase				,  _UpperCAmelCase     )

        a	:     Tuple						      =    tokens + ['''<unk>''']
        a	:     List[Any]						      =    [14, 15, 20]
        self.assertListEqual(tokenizer.convert_tokens_to_ids(_UpperCAmelCase     )				,  _UpperCAmelCase     )
   @slow
   def _lowercase(     self     )						->List[Any]:
        a	:     List[Any]						      =    self.tokenizer_ru_en

        a	:     Optional[int]						      =    tokenizer.encode('''sequence builders'''				,  add_special_tokens=_UpperCAmelCase     )
        a	:     Dict						      =    tokenizer.encode('''multi-sequence build'''				,  add_special_tokens=_UpperCAmelCase     )

        a	:     List[Any]						      =    tokenizer.build_inputs_with_special_tokens(_UpperCAmelCase     )
        a	:     Optional[int]						      =    tokenizer.build_inputs_with_special_tokens(_UpperCAmelCase				,  _UpperCAmelCase     )

        assert encoded_sentence == text + [2]
        assert encoded_pair == text + [2] + text_a + [2]
   @slow
   def _lowercase(     self     )						->Union[str, Any]:
        a	:     Optional[Any]						      =    self.tokenizer_en_ru
        a	:     str						      =    self.tokenizer_ru_en

        a	:     Dict						      =    [
            [
                '''Here\'s a little song I wrote. Don\'t worry, be happy.''',
                [24_70, 39, 11, 23_49, 72_22, 70, 59_79, 7, 84_50, 10_50, 1_31_60, 5, 26, 64_45, 7, 2],
            ],
            ['''This is it. No more. I\'m done!''', [1_32, 21, 37, 7, 14_34, 86, 7, 70, 64_76, 13_05, 4_27, 2]],
        ]

        # if data needs to be recreated or added, run:
        # import torch
        # model = torch.hub.load("pytorch/fairseq", "transformer.wmt19.en-ru", checkpoint_file="model4.pt", tokenizer="moses", bpe="fastbpe")
        # for src_text, _ in targets: print(f"""[\n"{src_text}",\n {model.encode(src_text).tolist()}\n],""")

        for src_text, tgt_input_ids in targets:
             a	:     Union[str, Any]						      =    tokenizer_enc.encode(_UpperCAmelCase				,  return_tensors=_UpperCAmelCase     )
             self.assertListEqual(_UpperCAmelCase				,  _UpperCAmelCase     )

             # and decode backward, using the reversed languages model
             a	:     Optional[Any]						      =    tokenizer_dec.decode(_UpperCAmelCase				,  skip_special_tokens=_UpperCAmelCase     )
             self.assertEqual(_UpperCAmelCase				,  _UpperCAmelCase     )
   @slow
   def _lowercase(     self     )						->List[str]:
        a	:     int						      =    FSMTTokenizer.from_pretrained('''facebook/wmt19-ru-en'''				,  do_lower_case=_UpperCAmelCase     )
        a	:     Optional[int]						      =    tokenizer.tokenize('''USA is United States of America'''     )
        a	:     Optional[Any]						      =    ['''us''', '''a</w>''', '''is</w>''', '''un''', '''i''', '''ted</w>''', '''st''', '''ates</w>''', '''of</w>''', '''am''', '''er''', '''ica</w>''']
        self.assertListEqual(_UpperCAmelCase				,  _UpperCAmelCase     )
   @unittest.skip('''FSMTConfig.__init__  requires non-optional args'''     )
   def _lowercase(     self     )						->Dict:
        pass


   @unittest.skip('''FSMTConfig.__init__  requires non-optional args'''     )
   def _lowercase(     self     )						->Tuple:
        pass



from collections import OrderedDict
from typing import Any, Mapping, Optional

from ... import PreTrainedTokenizer
from ...configuration_utils import PretrainedConfig
from ...file_utils import TensorType, is_torch_available
from ...onnx import OnnxConfig, OnnxConfigWithPast, OnnxSeqaSeqConfigWithPast
from ...onnx.utils import compute_effective_axis_dimension
from ...utils import logging


UpperCAmelCase     =       logging.get_logger(__name__)

UpperCAmelCase     =       {
    """facebook/blenderbot-3B""": """https://huggingface.co/facebook/blenderbot-3B/resolve/main/config.json""",
    # See all Blenderbot models at https://huggingface.co/models?filter=blenderbot
}







class lowerCAmelCase_		(					lowerCamelCase__			):

 '''simple docstring'''

 __snake_case				=    "blenderbot"
 __snake_case				=    ["past_key_values"]
 __snake_case				=    {"num_attention_heads": "encoder_attention_heads", "hidden_size": "d_model"}



 def __init__(      self						, _UpperCAmelCase=80_08						, _UpperCAmelCase=1_28						, _UpperCAmelCase=2						, _UpperCAmelCase=1_02_40						, _UpperCAmelCase=32						, _UpperCAmelCase=24						, _UpperCAmelCase=1_02_40						, _UpperCAmelCase=32						, _UpperCAmelCase=0.0						, _UpperCAmelCase=0.0						, _UpperCAmelCase=True						, _UpperCAmelCase=True						, _UpperCAmelCase="gelu"						, _UpperCAmelCase=25_60						, _UpperCAmelCase=0.1						, _UpperCAmelCase=0.0						, _UpperCAmelCase=0.0						, _UpperCAmelCase=0.02						, _UpperCAmelCase=1						, _UpperCAmelCase=False						, _UpperCAmelCase=0						, _UpperCAmelCase=1						, _UpperCAmelCase=2						, _UpperCAmelCase=3						, _UpperCAmelCase=2						, **_UpperCAmelCase						, ):
       snake_case_			= vocab_size
       snake_case_			= max_position_embeddings
       snake_case_			= d_model
       snake_case_			= encoder_ffn_dim
       snake_case_			= encoder_layers
       snake_case_			= encoder_attention_heads
       snake_case_			= decoder_ffn_dim
       snake_case_			= decoder_layers
       snake_case_			= decoder_attention_heads
       snake_case_			= dropout
       snake_case_			= attention_dropout
       snake_case_			= activation_dropout
       snake_case_			= activation_function
       snake_case_			= init_std
       snake_case_			= encoder_layerdrop
       snake_case_			= decoder_layerdrop
       snake_case_			= use_cache
       snake_case_			= encoder_layers
       snake_case_			= scale_embedding  # scale factor will be sqrt(d_model) if True

       super().__init__(
           pad_token_id=_UpperCAmelCase						, bos_token_id=_UpperCAmelCase						, eos_token_id=_UpperCAmelCase						, is_encoder_decoder=_UpperCAmelCase						, decoder_start_token_id=_UpperCAmelCase						, encoder_no_repeat_ngram_size=_UpperCAmelCase						, forced_eos_token_id=_UpperCAmelCase						, **_UpperCAmelCase						, )







class lowerCAmelCase_		(					lowerCamelCase__			):

 '''simple docstring'''

 @property
 def 		UpperCamelCase__	(      self   ):
       if self.task in ["default", "seq2seq-lm"]:
             snake_case_			= OrderedDict(
                 [
                     ('''input_ids''', {0: '''batch''', 1: '''encoder_sequence'''}),
                     ('''attention_mask''', {0: '''batch''', 1: '''encoder_sequence'''}),
                 ]   )
             if self.use_past:
                   snake_case_			= {0: '''batch'''}
                   snake_case_			= {0: '''batch''', 1: '''past_decoder_sequence + sequence'''}
             else:
                   snake_case_			= {0: '''batch''', 1: '''decoder_sequence'''}
                   snake_case_			= {0: '''batch''', 1: '''decoder_sequence'''}
             if self.use_past:
                   self.fill_with_past_key_values_(_UpperCAmelCase						, direction='''inputs'''   )
       elif self.task == "causal-lm":
             snake_case_			= OrderedDict(
                 [
                     ('''input_ids''', {0: '''batch''', 1: '''encoder_sequence'''}),
                     ('''attention_mask''', {0: '''batch''', 1: '''encoder_sequence'''}),
                 ]   )
             if self.use_past:
                   snake_case_			,       snake_case_			= self.num_layers
                   for i in range(_UpperCAmelCase   ):
                         snake_case_			= {0: '''batch''', 2: '''past_sequence + sequence'''}
                         snake_case_			= {0: '''batch''', 2: '''past_sequence + sequence'''}
       else:
             snake_case_			= OrderedDict(
                 [
                     ('''input_ids''', {0: '''batch''', 1: '''encoder_sequence'''}),
                     ('''attention_mask''', {0: '''batch''', 1: '''encoder_sequence'''}),
                     ('''decoder_input_ids''', {0: '''batch''', 1: '''decoder_sequence'''}),
                     ('''decoder_attention_mask''', {0: '''batch''', 1: '''decoder_sequence'''}),
                 ]   )

       return common_inputs



 @property
 # Copied from transformers.models.bart.configuration_bart.BartOnnxConfig.outputs
 def 		UpperCamelCase__	(      self   ):
       if self.task in ["default", "seq2seq-lm"]:
             snake_case_			= super().outputs
       else:
             snake_case_			= super(_UpperCAmelCase						, self   ).outputs
             if self.use_past:
                   snake_case_			,       snake_case_			= self.num_layers
                   for i in range(_UpperCAmelCase   ):
                         snake_case_			= {0: '''batch''', 2: '''past_sequence + sequence'''}
                         snake_case_			= {0: '''batch''', 2: '''past_sequence + sequence'''}
       return common_outputs



 def 		UpperCamelCase__	(      self						, _UpperCAmelCase						, _UpperCAmelCase = -1						, _UpperCAmelCase = -1						, _UpperCAmelCase = False						, _UpperCAmelCase = None						, ):
       snake_case_			= self._generate_dummy_inputs_for_sequence_classification_and_question_answering(
           _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase   )
       # Generate decoder inputs
       snake_case_			= seq_length if not self.use_past else 1
       snake_case_			= self._generate_dummy_inputs_for_sequence_classification_and_question_answering(
           _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase   )
       snake_case_			= {F'''decoder_{name}''': tensor for name, tensor in decoder_inputs.items()}
       snake_case_			= dict(**_UpperCAmelCase						, **_UpperCAmelCase   )

       if self.use_past:
             if not is_torch_available():
                   raise ValueError('''Cannot generate dummy past_keys inputs without PyTorch installed.'''   )
             else:
                   import torch
             snake_case_			,       snake_case_			= common_inputs['''input_ids'''].shape
             snake_case_			= common_inputs['''decoder_input_ids'''].shape[1]
             snake_case_			,       snake_case_			= self.num_attention_heads
             snake_case_			= (
                 batch,
                 num_encoder_attention_heads,
                 encoder_seq_length,
                 self._config.hidden_size // num_encoder_attention_heads,
             )
             snake_case_			= decoder_seq_length
             snake_case_			= (
                 batch,
                 num_decoder_attention_heads,
                 decoder_past_length,
                 self._config.hidden_size // num_decoder_attention_heads,
             )
             snake_case_			= torch.cat(
                 [common_inputs['''decoder_attention_mask'''], torch.ones(_UpperCAmelCase						, _UpperCAmelCase   )]						, dim=1   )
             snake_case_			= []
             snake_case_			,       snake_case_			= self.num_layers

             for _ in range(_UpperCAmelCase   ):
                   common_inputs["past_key_values"].append(
                       (
                           torch.zeros(_UpperCAmelCase   ),
                           torch.zeros(_UpperCAmelCase   ),
                           torch.zeros(_UpperCAmelCase   ),
                           torch.zeros(_UpperCAmelCase   ),
                       )   )
       return common_inputs



 def 		UpperCamelCase__	(      self						, _UpperCAmelCase						, _UpperCAmelCase = -1						, _UpperCAmelCase = -1						, _UpperCAmelCase = False						, _UpperCAmelCase = None						, ):
       snake_case_			= self._generate_dummy_inputs_for_sequence_classification_and_question_answering(
           _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase   )

       if self.use_past:
             if not is_torch_available():
                   raise ValueError('''Cannot generate dummy past_keys inputs without PyTorch installed.'''   )
             else:
                   import torch
             snake_case_			,       snake_case_			= common_inputs['''input_ids'''].shape
             snake_case_			= seqlen
             snake_case_			,       snake_case_			= self.num_layers
             snake_case_			,       snake_case_			= self.num_attention_heads
             snake_case_			= (
                 batch,
                 num_encoder_attention_heads,
                 past_key_values_length,
                 self._config.hidden_size // num_encoder_attention_heads,
             )
             snake_case_			= common_inputs['''attention_mask'''].dtype
             snake_case_			= torch.cat(
                 [common_inputs['''attention_mask'''], torch.ones(_UpperCAmelCase						, _UpperCAmelCase						, dtype=_UpperCAmelCase   )]						, dim=1   )
             snake_case_			= [
                 (torch.zeros(_UpperCAmelCase   ), torch.zeros(_UpperCAmelCase   )) for _ in range(_UpperCAmelCase   )
             ]
       return common_inputs



 def 		UpperCamelCase__	(      self						, _UpperCAmelCase						, _UpperCAmelCase = -1						, _UpperCAmelCase = -1						, _UpperCAmelCase = False						, _UpperCAmelCase = None						, ):
       # Copied from OnnxConfig.generate_dummy_inputs
       # Did not use super(OnnxConfigWithPast, self).generate_dummy_inputs for code clarity.
       # If dynamic axis (-1) we forward with a fixed dimension of 2 samples to avoid optimizations made by ONNX
       snake_case_			= compute_effective_axis_dimension(
           _UpperCAmelCase						, fixed_dimension=OnnxConfig.default_fixed_batch						, num_token_to_add=0   )

       # If dynamic axis (-1) we forward with a fixed dimension of 8 tokens to avoid optimizations made by ONNX
       snake_case_			= tokenizer.num_special_tokens_to_add(_UpperCAmelCase   )
       snake_case_			= compute_effective_axis_dimension(
           _UpperCAmelCase						, fixed_dimension=OnnxConfig.default_fixed_sequence						, num_token_to_add=_UpperCAmelCase   )

       # Generate dummy inputs according to compute batch and sequence
       snake_case_			= [''' '''.join([tokenizer.unk_token]   ) * seq_length] * batch_size
       snake_case_			= dict(tokenizer(_UpperCAmelCase						, return_tensors=_UpperCAmelCase   )   )
       return common_inputs



 def 		UpperCamelCase__	(      self						, _UpperCAmelCase						, _UpperCAmelCase = -1						, _UpperCAmelCase = -1						, _UpperCAmelCase = False						, _UpperCAmelCase = None						, ):
       if self.task in ["default", "seq2seq-lm"]:
             snake_case_			= self._generate_dummy_inputs_for_default_and_seqaseq_lm(
                 _UpperCAmelCase						, batch_size=_UpperCAmelCase						, seq_length=_UpperCAmelCase						, is_pair=_UpperCAmelCase						, framework=_UpperCAmelCase   )

       elif self.task == "causal-lm":
             snake_case_			= self._generate_dummy_inputs_for_causal_lm(
                 _UpperCAmelCase						, batch_size=_UpperCAmelCase						, seq_length=_UpperCAmelCase						, is_pair=_UpperCAmelCase						, framework=_UpperCAmelCase   )
       else:
             snake_case_			= self._generate_dummy_inputs_for_sequence_classification_and_question_answering(
                 _UpperCAmelCase						, batch_size=_UpperCAmelCase						, seq_length=_UpperCAmelCase						, is_pair=_UpperCAmelCase						, framework=_UpperCAmelCase   )

       return common_inputs



 def 		UpperCamelCase__	(      self						, _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase   ):
       if self.task in ["default", "seq2seq-lm"]:
             snake_case_			= super()._flatten_past_key_values_(_UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase   )
       else:
             snake_case_			= super(_UpperCAmelCase						, self   )._flatten_past_key_values_(
                 _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase						, _UpperCAmelCase   )





 def 		UpperCamelCase__	(      self						, _UpperCAmelCase						, _UpperCAmelCase   ):
       if direction not in ["inputs", "outputs"]:
             raise ValueError(F'''direction must either be "inputs" or "outputs", but {direction} was given'''   )

       snake_case_			= '''past_key_values''' if direction == '''inputs''' else '''present'''
       snake_case_			,       snake_case_			= self.num_layers

       snake_case_			= '''past_encoder_sequence'''
       snake_case_			= '''past_decoder_sequence''' if direction == '''inputs''' else '''past_decoder_sequence + sequence'''

       for i in range(_UpperCAmelCase   ):
             snake_case_			= {0: '''batch''', 2: decoder_sequence}
             snake_case_			= {0: '''batch''', 2: decoder_sequence}
             snake_case_			= {0: '''batch''', 2: encoder_sequence}
             snake_case_			= {0: '''batch''', 2: encoder_sequence}