import unittest

from transformers import is_flax_available
from transformers.testing_utils import require_flax, require_sentencepiece, require_tokenizers, require_torch, slow


if is_flax_available():
      import optax
      from flax.training.common_utils import onehot

      from transformers import AutoTokenizer, FlaxMTaForConditionalGeneration
      from transformers.models.ta.modeling_flax_ta import shift_tokens_right





@require_torch
@require_sentencepiece
@require_tokenizers
@require_flax
class 					A							(    unittest.TestCase					):


   @slow
   def       lowercase_				(self					:						Dict		)						->    Any:
         """simple docstring"""



         UpperCAmelCase__								=  FlaxMTaForConditionalGeneration.from_pretrained("google/mt5-small"		)
         UpperCAmelCase__								=  AutoTokenizer.from_pretrained("google/mt5-small"		)

         UpperCAmelCase__								=  tokenizer("Hello there"	,  return_tensors="np"		).input_ids
         UpperCAmelCase__								=  tokenizer("Hi I am"	,  return_tensors="np"		).input_ids

         UpperCAmelCase__								=  shift_tokens_right(snake_case__	,  model.config.pad_token_id	,  model.config.decoder_start_token_id		)

         UpperCAmelCase__								=  model(snake_case__	,  decoder_input_ids=snake_case__		).logits
         UpperCAmelCase__								=  optax.softmax_cross_entropy(snake_case__	,  onehot(snake_case__	,  logits.shape[-1]		)		).mean()

         UpperCAmelCase__								=  -(labels.shape[-1] * loss.item())

         UpperCAmelCase__								=  -84.9127
         self.assertTrue(abs(mtf_score - EXPECTED_SCORE		) < 1E-4		)




# Copyright 2021 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import argparse

from .config import config_command_parser
from .config_args import default_config_file, load_config_from_file  # noqa: F401
from .default import default_command_parser
from .update import update_command_parser




def        lowerCAmelCase_			(					__A=None							)					->    str:







      '''simple docstring'''


      UpperCAmelCase__								=  argparse.ArgumentParser(add_help=__A,  allow_abbrev=__A							)
      # The main config parser
      UpperCAmelCase__								=  config_command_parser(__A							)
      # The subparser to add commands to
      UpperCAmelCase__								=  config_parser.add_subparsers(title="subcommands",  dest="subcommand"							)

      # Then add other parsers with the parent parser
      default_command_parser(__A,  parents=[parent_parser]							)
      update_command_parser(__A,  parents=[parent_parser]							)

      return config_parser




def        lowerCAmelCase_			(					)					->    Any:







      '''simple docstring'''


      UpperCAmelCase__								=  get_config_parser()
      UpperCAmelCase__								=  config_parser.parse_args()

      if not hasattr(__A,  "func"							):
            config_parser.print_help()
            exit(1							)

      # Run
      args.func(__A							)


if __name__ == "__main__":
      main()



