
"""simple docstring"""





import contextlib
import importlib
import io
import unittest

import transformers

# Try to import everything from transformers to ensure every object can be loaded.
from transformers import *  # noqa F406
from transformers.testing_utils import DUMMY_UNKNOWN_IDENTIFIER, require_flax, require_tf, require_torch
from transformers.utils import ContextManagers, find_labels, is_flax_available, is_tf_available, is_torch_available


if is_torch_available():
				from transformers import BertForPreTraining, BertForQuestionAnswering, BertForSequenceClassification

if is_tf_available():
				from transformers import TFBertForPreTraining, TFBertForQuestionAnswering, TFBertForSequenceClassification

if is_flax_available():
				from transformers import FlaxBertForPreTraining, FlaxBertForQuestionAnswering, FlaxBertForSequenceClassification


_a														=		DUMMY_UNKNOWN_IDENTIFIER
# An actual model hosted on huggingface.co

_a														=		"""main"""
# Default branch name
_a														=		"""f2c752cfc5c0ab6f4bdec59acea69eefbee381c2"""
# One particular commit (not the top of `main`)
_a														=		"""aaaaaaa"""
# This commit does not exist, so we should 404.

_a														=		"""d9e9f15bc825e4b2c9249e9578f884bbcb5e3684"""
# Sha-1 of config.json on the top of `main`, for checking purposes
_a														=		"""4b243c475af8d0a7754e87d7d096c92e5199ec2fe168a2ee7998e3b8e9bcb1d3"""



@contextlib.contextmanager
def 				lowerCamelCase__		(      )							->		Union[str, Any]:


					"""simple docstring"""





					print('''Welcome!'''     )
					yield
					print('''Bye!'''     )



@contextlib.contextmanager
def 				lowerCamelCase__		(      )							->		Tuple:


					"""simple docstring"""





					print('''Bonjour!'''     )
					yield
					print('''Au revoir!'''     )






class    _UpperCAmelCase(   unittest.TestCase     ):



		def 						UpperCAmelCase							( self)	->	Tuple:






							'''simple docstring'''
							# If the spec is missing, importlib would not be able to import the module dynamically.
							assert transformers.__spec__ is not None
							assert importlib.util.find_spec('''transformers''') is not None






class    _UpperCAmelCase(   unittest.TestCase     ):



		@unittest.mock.patch('''sys.stdout'''    ,		new_callable=io.StringIO)
		def 						UpperCAmelCase							( self    ,		__a)	->	List[Any]:






							'''simple docstring'''
							with ContextManagers([]):
												print('''Transformers are awesome!''')
							# The print statement adds a new line at the end of the output
							self.assertEqual(mock_stdout.getvalue()    ,		'''Transformers are awesome!\n''')



		@unittest.mock.patch('''sys.stdout'''    ,		new_callable=io.StringIO)
		def 						UpperCAmelCase							( self    ,		__a)	->	Dict:






							'''simple docstring'''
							with ContextManagers([context_en()]):
												print('''Transformers are awesome!''')
							# The output should be wrapped with an English welcome and goodbye
							self.assertEqual(mock_stdout.getvalue()    ,		'''Welcome!\nTransformers are awesome!\nBye!\n''')



		@unittest.mock.patch('''sys.stdout'''    ,		new_callable=io.StringIO)
		def 						UpperCAmelCase							( self    ,		__a)	->	List[str]:






							'''simple docstring'''
							with ContextManagers([context_fr(), context_en()]):
												print('''Transformers are awesome!''')
							# The output should be wrapped with an English and French welcome and goodbye
							self.assertEqual(mock_stdout.getvalue()    ,		'''Bonjour!\nWelcome!\nTransformers are awesome!\nBye!\nAu revoir!\n''')



		@require_torch
		def 						UpperCAmelCase							( self)	->	Union[str, Any]:






							'''simple docstring'''
							self.assertEqual(find_labels(__a)    ,		['''labels'''])
							self.assertEqual(find_labels(__a)    ,		['''labels''', '''next_sentence_label'''])
							self.assertEqual(find_labels(__a)    ,		['''start_positions''', '''end_positions'''])






							class    _UpperCAmelCase(   lowerCamelCase     ):
									pass





							self.assertEqual(find_labels(__a)    ,		['''labels'''])



		@require_tf
		def 						UpperCAmelCase							( self)	->	str:






							'''simple docstring'''
							self.assertEqual(find_labels(__a)    ,		['''labels'''])
							self.assertEqual(find_labels(__a)    ,		['''labels''', '''next_sentence_label'''])
							self.assertEqual(find_labels(__a)    ,		['''start_positions''', '''end_positions'''])






							class    _UpperCAmelCase(   lowerCamelCase     ):
									pass





							self.assertEqual(find_labels(__a)    ,		['''labels'''])




		@require_flax
		def 						UpperCAmelCase							( self)	->	Optional[int]:






							'''simple docstring'''
							# Flax models don't have labels
							self.assertEqual(find_labels(__a)    ,		[])
							self.assertEqual(find_labels(__a)    ,		[])
							self.assertEqual(find_labels(__a)    ,		[])






							class    _UpperCAmelCase(   lowerCamelCase     ):
									pass





							self.assertEqual(find_labels(__a)    ,		[])








"""simple docstring"""





class    _UpperCAmelCase:



		def __init__( self    ,		__a    ,		__a    ,		__a)	->	List[Any]:






							'''simple docstring'''
							_UpperCamelCase										=  name
							_UpperCamelCase										=  value
							_UpperCamelCase										=  weight



		def __repr__( self)	->	List[str]:






							'''simple docstring'''
							return F'''{self.__class__.__name__}({self.name}, {self.value}, {self.weight})'''



		def 						UpperCAmelCase							( self)	->	Tuple:






							'''simple docstring'''
							return self.value



		def 						UpperCAmelCase							( self)	->	Union[str, Any]:






							'''simple docstring'''
							return self.name



		def 						UpperCAmelCase							( self)	->	int:






							'''simple docstring'''
							return self.weight




		def 						UpperCAmelCase							( self)	->	Any:






							'''simple docstring'''
							return self.value / self.weight





def 				lowerCamelCase__		(      __snake_case,					__snake_case,					__snake_case     )							->		Optional[Any]:


					"""simple docstring"""





					_UpperCamelCase										=  []
					for i in range(len(__snake_case     )     ):
										menu.append(Things(name[i],					value[i],					weight[i]     )     )
					return menu



def 				lowerCamelCase__		(      __snake_case,					__snake_case,					__snake_case     )							->		List[str]:


					"""simple docstring"""





					_UpperCamelCase										=  sorted(__snake_case,					key=__snake_case,					reverse=__snake_case     )
					_UpperCamelCase										=  []
					_UpperCamelCase			,  _UpperCamelCase										=  0.0, 0.0
					for i in range(len(__snake_case     )     ):
										if (total_cost + items_copy[i].get_weight()) <= max_cost:
															result.append(items_copy[i]     )
															total_cost += items_copy[i].get_weight()
															total_value += items_copy[i].get_value()
					return (result, total_value)



def 				lowerCamelCase__		(      )							->		List[str]:


					"""simple docstring"""







if __name__ == "__main__":
				import doctest

				doctest.testmod()






