

import copy

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


UpperCAmelCase_							:					Tuple		 =   logging.get_logger(__name__)






class      lowerCamelCase_      (	_lowercase	):
	_lowercase		:   Optional[int]     					=				'''encoder-decoder'''
	_lowercase		:   str     					=				True




	def __init__(     self						:     Union[str, Any]					,      **__A						:     Optional[Any]							):
		super().__init__(**__A							)
		assert (
		    "encoder" in kwargs and "decoder" in kwargs
		), "Config has to be initialized with encoder and decoder config"
		__A :			List[Any]		    =			kwargs.pop("""encoder"""							)
		__A :			int		    =			encoder_config.pop("""model_type"""							)
		__A :			int		    =			kwargs.pop("""decoder"""							)
		__A :			Tuple		    =			decoder_config.pop("""model_type"""							)

		from ..auto.configuration_auto import AutoConfig

		__A :			Union[str, Any]		    =			AutoConfig.for_model(__A					,      **__A							)
		__A :			Optional[Any]		    =			AutoConfig.for_model(__A					,      **__A							)
		__A :			List[Any]		    =			True




	@classmethod
	def        lowerCAmelCase_       (     cls						:     Optional[int]					,      __A						:     PretrainedConfig					,      __A						:     PretrainedConfig					,      **__A						:     Dict							):
		logger.info("""Set `config.is_decoder=True` and `config.add_cross_attention=True` for decoder_config"""							)
		__A :			Tuple		    =			True
		__A :			List[Any]		    =			True

		return cls(encoder=encoder_config.to_dict()					,      decoder=decoder_config.to_dict()					,      **__A							)




	def        lowerCAmelCase_       (     self						:     Optional[int]							):
		__A :			str		    =			copy.deepcopy(self.__dict__							)
		__A :			Any		    =			self.encoder.to_dict()
		__A :			Optional[Any]		    =			self.decoder.to_dict()
		__A :			Union[str, Any]		    =			self.__class__.model_type
		return output







__a         =   'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'




def 							a		(				snake_case__:   bytes   ):


				'''simple docstring'''
				# Make sure the supplied data is a bytes-like object
				if not isinstance(snake_case__		,  snake_case__   ):
								lowercase_	    =   F'''a bytes-like object is required, not \'{data.__class__.__name__}\''''
								raise TypeError(snake_case__   )

				lowercase_	    =   ''''''.join(bin(snake_case__   )[2:].zfill(8   ) for byte in data   )

				lowercase_	    =   len(snake_case__   ) % 6 != 0

				if padding_needed:
								# The padding that will be added later
								lowercase_	    =   B'''=''' * ((6 - len(snake_case__   ) % 6) // 2)

								# Append binary_stream with arbitrary binary digits (0's by default) to make its
								# length a multiple of 6.
								binary_stream += "0" * (6 - len(snake_case__   ) % 6)
				else:
								lowercase_	    =   B''''''

				# Encode every 6 binary digits to their corresponding Base64 character
				return (
				    "".join(
				        B64_CHARSET[int(binary_stream[index : index + 6]		,  2   )]
				        for index in range(0		,  len(snake_case__   )		,  6   )   ).encode()
				    + padding
				)




def 							a		(				snake_case__:   str   ):


				'''simple docstring'''
				# Make sure encoded_data is either a string or a bytes-like object
				if not isinstance(snake_case__		,  snake_case__   ) and not isinstance(snake_case__		,  snake_case__   ):
								lowercase_	    =   (
								    '''argument should be a bytes-like object or ASCII string, '''
								    F'''not \'{encoded_data.__class__.__name__}\''''
								)
								raise TypeError(snake_case__   )

				# In case encoded_data is a bytes-like object, make sure it contains only
				# ASCII characters so we convert it to a string object
				if isinstance(snake_case__		,  snake_case__   ):
								try:
												lowercase_	    =   encoded_data.decode('''utf-8'''   )
								except UnicodeDecodeError:
												raise ValueError('''base64 encoded data should only contain ASCII characters'''   )

				lowercase_	    =   encoded_data.count('''='''   )

				# Check if the encoded string contains non base64 characters
				if padding:
								assert all(
								    char in B64_CHARSET for char in encoded_data[:-padding]   ), "Invalid base64 character(s) found."
				else:
								assert all(
								    char in B64_CHARSET for char in encoded_data   ), "Invalid base64 character(s) found."

				# Check the padding
				assert len(snake_case__   ) % 4 == 0 and padding < 3, "Incorrect padding"

				if padding:
								# Remove padding if there is one
								lowercase_	    =   encoded_data[:-padding]

								lowercase_	    =   ''''''.join(
								    bin(B64_CHARSET.index(snake_case__   )   )[2:].zfill(6   ) for char in encoded_data   )[: -padding * 2]
				else:
								lowercase_	    =   ''''''.join(
								    bin(B64_CHARSET.index(snake_case__   )   )[2:].zfill(6   ) for char in encoded_data   )

				lowercase_	    =   [
				    int(binary_stream[index : index + 8]		,  2   )
				    for index in range(0		,  len(snake_case__   )		,  8   )
				]

				return bytes(snake_case__   )


if __name__ == "__main__":
						import doctest

						doctest.testmod()




