






from ...configuration_utils import PretrainedConfig
from ...utils import logging


UpperCAmelCase_					:		Dict           = logging.get_logger(__name__)

UpperCAmelCase_					:		Optional[Any]           = {
    '''google/reformer-crime-and-punishment''': (
        '''https://huggingface.co/google/reformer-crime-and-punishment/resolve/main/config.json'''
    ),
    '''google/reformer-enwik8''': '''https://huggingface.co/google/reformer-enwik8/resolve/main/config.json''',
}

class        _SCREAMING_SNAKE_CASE			(     _lowercase ):
	snake_case__				:	Dict	      =    """reformer"""
	snake_case__				:	List[Any]	      =    ["""past_buckets_states"""]
	snake_case__				:	str	      =    {}





	def __init__(						self							:   Dict					,    __lowerCamelCase							:   List[str]=64					,    __lowerCamelCase							:   Union[str, Any]=["local", "lsh", "local", "lsh", "local", "lsh"]					,    __lowerCamelCase							:   Tuple=1.0					,    __lowerCamelCase							:   Any=True					,    __lowerCamelCase							:   Dict=[64, 64]					,    __lowerCamelCase							:   Optional[int]=[64, 192]					,    __lowerCamelCase							:   List[Any]=0					,    __lowerCamelCase							:   Optional[Any]=2					,    __lowerCamelCase							:   Dict=512					,    __lowerCamelCase							:   Any=None					,    __lowerCamelCase							:   int="relu"					,    __lowerCamelCase							:   Dict=0.05					,    __lowerCamelCase							:   List[str]=256					,    __lowerCamelCase							:   Dict=0.02					,    __lowerCamelCase							:   str=False					,    __lowerCamelCase							:   Dict=1E-12					,    __lowerCamelCase							:   Union[str, Any]=1					,    __lowerCamelCase							:   str=0					,    __lowerCamelCase							:   List[Any]=0.05					,    __lowerCamelCase							:   Dict=64					,    __lowerCamelCase							:   Union[str, Any]=64					,    __lowerCamelCase							:   int=0.0					,    __lowerCamelCase							:   Any=1					,    __lowerCamelCase							:   Union[str, Any]=0					,    __lowerCamelCase							:   Tuple=4_096					,    __lowerCamelCase							:   Union[str, Any]=12					,    __lowerCamelCase							:   str=None					,    __lowerCamelCase							:   int=1					,    __lowerCamelCase							:   List[Any]=0					,    __lowerCamelCase							:   Optional[int]=320					,    __lowerCamelCase							:   Any=False					,    __lowerCamelCase							:   Dict=True					,    __lowerCamelCase							:   Dict=None					,    **__lowerCamelCase							:   Union[str, Any]					,    ):
		UpperCamelCase	:int		=      hash_seed
		UpperCamelCase	:int		=      vocab_size
		UpperCamelCase	:int		=      attention_head_size
		UpperCamelCase	:List[str]		=      hidden_size
		UpperCamelCase	:Optional[Any]		=      num_attention_heads
		UpperCamelCase	:Tuple		=      num_hashes
		UpperCamelCase	:Dict		=      len(__snake_case      )
		UpperCamelCase	:List[str]		=      tuple(__snake_case      ) if isinstance(__snake_case					,    __snake_case      ) else num_buckets
		UpperCamelCase	:List[Any]		=      lsh_attn_chunk_length
		UpperCamelCase	:Optional[Any]		=      local_attn_chunk_length
		UpperCamelCase	:Any		=      lsh_num_chunks_after
		UpperCamelCase	:Any		=      lsh_num_chunks_before
		UpperCamelCase	:List[Any]		=      local_num_chunks_after
		UpperCamelCase	:Tuple		=      local_num_chunks_before
		UpperCamelCase	:Dict		=      hidden_act
		UpperCamelCase	:str		=      feed_forward_size
		UpperCamelCase	:Union[str, Any]		=      hidden_dropout_prob
		UpperCamelCase	:str		=      lsh_attention_probs_dropout_prob
		UpperCamelCase	:List[Any]		=      local_attention_probs_dropout_prob
		UpperCamelCase	:Any		=      max_position_embeddings
		UpperCamelCase	:str		=      initializer_range
		UpperCamelCase	:List[str]		=      layer_norm_eps
		UpperCamelCase	:Tuple		=      axial_pos_embds
		UpperCamelCase	:Any		=      tuple(__snake_case      )
		UpperCamelCase	:Optional[Any]		=      tuple(__snake_case      )
		UpperCamelCase	:List[str]		=      axial_norm_std
		UpperCamelCase	:Dict		=      chunk_size_lm_head
		UpperCamelCase	:Tuple		=      attn_layers
		UpperCamelCase	:Optional[Any]		=      use_cache
		UpperCamelCase	:str		=      classifier_dropout
		super().__init__(
		    pad_token_id=__snake_case					,    eos_token_id=__snake_case					,    is_decoder=__snake_case					,    tie_word_embeddings=__snake_case					,    **__snake_case					,    )



import unittest

from cer import CER


lowerCAmelCase__             =		CER()







class 						lowercase     (					unittest.TestCase				):


		"""simple docstring"""




		def 		A__       (					self):
			_UpperCamelCase :		Any								=    ['White House']
			_UpperCamelCase :		Tuple								=    ['white house']
			# S = 2, D = 0, I = 0, N = 11, CER = 2 / 11
			_UpperCamelCase :		Tuple								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.1_8_1_8_1_8_1_8_1_8) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		Union[str, Any]								=    ['were wolf']
			_UpperCamelCase :		List[Any]								=    ['werewolf']
			# S = 0, D = 0, I = 1, N = 9, CER = 1 / 9
			_UpperCamelCase :		Dict								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.1_1_1_1_1_1_1) < 1e-6)

			_UpperCamelCase :		int								=    ['werewolf']
			_UpperCamelCase :		Optional[Any]								=    ['weae     wolf']
			# S = 1, D = 1, I = 0, N = 8, CER = 0.25
			_UpperCamelCase :		str								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.2_5) < 1e-6)

			# consecutive whitespaces case 1
			_UpperCamelCase :		Tuple								=    ['were wolf']
			_UpperCamelCase :		Dict								=    ['were               wolf']
			# S = 0, D = 0, I = 0, N = 9, CER = 0
			_UpperCamelCase :		List[str]								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.0) < 1e-6)

			# consecutive whitespaces case 2
			_UpperCamelCase :		Dict								=    ['were   wolf']
			_UpperCamelCase :		Dict								=    ['were               wolf']
			# S = 0, D = 0, I = 0, N = 9, CER = 0
			_UpperCamelCase :		Dict								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.0) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		Tuple								=    ['werewolf']
			_UpperCamelCase :		Optional[Any]								=    ['weaewolf']
			# S = 1, D = 0, I = 0, N = 8, CER = 0.125
			_UpperCamelCase :		List[str]								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.1_2_5) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		int								=    ['werewolf']
			_UpperCamelCase :		Any								=    ['wereawolf']
			# S = 0, D = 1, I = 0, N = 8, CER = 0.125
			_UpperCamelCase :		Optional[int]								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.1_2_5) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		str								=    ['werewolf']
			_UpperCamelCase :		Optional[Any]								=    ['wereolf']
			# S = 0, D = 0, I = 1, N = 8, CER = 0.125
			_UpperCamelCase :		List[Any]								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.1_2_5) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		Optional[Any]								=    ['werewolf']
			_UpperCamelCase :		Optional[Any]								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertEqual(__snake_case						,							0.0)


		def 		A__       (					self):
			_UpperCamelCase :		Union[str, Any]								=    ['werewolf', 'I am your father']
			_UpperCamelCase :		Dict								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertEqual(__snake_case						,							0.0)

			_UpperCamelCase :		List[Any]								=    ['werewolf', 'I am your father', 'doge']
			_UpperCamelCase :		Optional[int]								=    ['werxwolf', 'I       am your father', 'doge']
			# S = 1, D = 0, I = 0, N = 28, CER = 1 / 28
			_UpperCamelCase :		Any								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.0_3_5_7_1_4_2_8) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		Tuple								=    ['My hovercraft', 'is full of eels']
			_UpperCamelCase :		List[Any]								=    ['My hovercraft is full', ' of eels']
			# S = 0, D = 0, I = 2, N = 28, CER = 2 / 28
			# whitespace at the front of " of eels" will be strip during preporcessing
			# so need to insert 2 whitespaces
			_UpperCamelCase :		Dict								=    cer.compute(predictions=__snake_case						,							references=__snake_case						,							concatenate_texts=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.0_7_1_4_2_8) < 1e-6)


		def 		A__       (					self):
			_UpperCamelCase :		Union[str, Any]								=    ['我能吞下玻璃而不伤身体']
			_UpperCamelCase :		Optional[Any]								=    [' 能吞虾玻璃而 不霜身体啦']
			# S = 3, D = 2, I = 0, N = 11, CER = 5 / 11
			_UpperCamelCase :		Any								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.4_5_4_5_4_5_4_5_4_5) < 1e-6)

			_UpperCamelCase :		Union[str, Any]								=    ['我能吞下玻璃', '而不伤身体']
			_UpperCamelCase :		List[str]								=    ['我    能 吞 下 玻 璃', '而不伤身体']
			# S = 0, D = 5, I = 0, N = 11, CER = 5 / 11
			_UpperCamelCase :		Union[str, Any]								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertTrue(abs(char_error_rate - 0.4_5_4_5_4_5_4_5_4_5_4_5) < 1e-6)

			_UpperCamelCase :		Optional[int]								=    ['我能吞下玻璃而不伤身体']
			_UpperCamelCase :		int								=    cer.compute(predictions=__snake_case						,							references=__snake_case)
			self.assertFalse(__snake_case						,							0.0)






		def 		A__       (					self):
			_UpperCamelCase :		Tuple								=    ['']
			_UpperCamelCase :		Dict								=    ['Hypothesis']
			with self.assertRaises(__snake_case):
				cer.compute(predictions=__snake_case						,							references=__snake_case)


if __name__ == "__main__":
							unittest.main()




