



from __future__ import annotations

import sys
from collections import deque
from typing import Generic, TypeVar

UpperCAmelCase_									=							TypeVar("T")





class 		UpperCAmelCase						(						Generic[T]				):
   SCREAMING_SNAKE_CASE__							=     42  # Cache store of keys
   SCREAMING_SNAKE_CASE__							=     42  # References of the keys in cache
   SCREAMING_SNAKE_CASE__							=     1_0  # Maximum capacity of cache





   def __init__(	self       ,     _lowerCAmelCase			):
         _lowerCAmelCase 			=  deque()
         _lowerCAmelCase 			=  set()
         if not n:
               _lowerCAmelCase 			=  sys.maxsize
         elif n < 0:
               raise ValueError('''n should be an integer greater than 0.'''			)
         else:
               _lowerCAmelCase 			=  n





   def 	__lowerCAmelCase							(	self       ,     _lowerCAmelCase			):
         if x not in self.key_reference:
               if len(self.dq_store			) == LRUCache._MAX_CAPACITY:
                     _lowerCAmelCase 			=  self.dq_store.pop()
                     self.key_reference.remove(_lowerCAmelCase			)
         else:
               self.dq_store.remove(_lowerCAmelCase			)

         self.dq_store.appendleft(_lowerCAmelCase			)
         self.key_reference.add(_lowerCAmelCase			)





   def 	__lowerCAmelCase							(	self			):
         for k in self.dq_store:
               print(_lowerCAmelCase			)





   def __repr__(	self			):
         return F'''LRUCache({self._MAX_CAPACITY}) => {list(self.dq_store			)}'''


if __name__ == "__main__":
    import doctest

    doctest.testmod()

    UpperCAmelCase_									=							LRUCache(4)
    lru_cache.refer("A")
    lru_cache.refer(2)
    lru_cache.refer(3)
    lru_cache.refer("A")
    lru_cache.refer(4)
    lru_cache.refer(5)
    lru_cache.display()

    print(lru_cache)
    assert str(lru_cache) == "LRUCache(4) => [5, 4, 'A', 3]"




from tempfile import TemporaryDirectory
from unittest import TestCase
from unittest.mock import MagicMock, patch

from transformers import AutoModel, TFAutoModel
from transformers.onnx import FeaturesManager
from transformers.testing_utils import SMALL_MODEL_IDENTIFIER, require_tf, require_torch





@require_torch
@require_tf
class 		UpperCAmelCase						(						snake_case_				):





   def 	__lowerCAmelCase							(	self			):
         _lowerCAmelCase 			=  SMALL_MODEL_IDENTIFIER
         _lowerCAmelCase 			=  '''pt'''
         _lowerCAmelCase 			=  '''tf'''





   def 	__lowerCAmelCase							(	self       ,     _lowerCAmelCase			):
         _lowerCAmelCase 			=  AutoModel.from_pretrained(self.test_model			)
         model_pt.save_pretrained(_lowerCAmelCase			)





   def 	__lowerCAmelCase							(	self       ,     _lowerCAmelCase			):
         _lowerCAmelCase 			=  TFAutoModel.from_pretrained(self.test_model       ,     from_pt=_lowerCAmelCase			)
         model_tf.save_pretrained(_lowerCAmelCase			)





   def 	__lowerCAmelCase							(	self			):
         _lowerCAmelCase 			=  '''mock_framework'''

         # Framework provided - return whatever the user provides
         _lowerCAmelCase 			=  FeaturesManager.determine_framework(self.test_model       ,     _lowerCAmelCase			)
         self.assertEqual(_lowerCAmelCase       ,     _lowerCAmelCase			)

         # Local checkpoint and framework provided - return provided framework
         # PyTorch checkpoint
         with TemporaryDirectory() as local_pt_ckpt:
               self._setup_pt_ckpt(_lowerCAmelCase			)
               _lowerCAmelCase 			=  FeaturesManager.determine_framework(_lowerCAmelCase       ,     _lowerCAmelCase			)
               self.assertEqual(_lowerCAmelCase       ,     _lowerCAmelCase			)

         # TensorFlow checkpoint
         with TemporaryDirectory() as local_tf_ckpt:
               self._setup_tf_ckpt(_lowerCAmelCase			)
               _lowerCAmelCase 			=  FeaturesManager.determine_framework(_lowerCAmelCase       ,     _lowerCAmelCase			)
               self.assertEqual(_lowerCAmelCase       ,     _lowerCAmelCase			)





   def 	__lowerCAmelCase							(	self			):
         # PyTorch checkpoint
         with TemporaryDirectory() as local_pt_ckpt:
               self._setup_pt_ckpt(_lowerCAmelCase			)
               _lowerCAmelCase 			=  FeaturesManager.determine_framework(_lowerCAmelCase			)
               self.assertEqual(_lowerCAmelCase       ,     self.framework_pt			)

         # TensorFlow checkpoint
         with TemporaryDirectory() as local_tf_ckpt:
               self._setup_tf_ckpt(_lowerCAmelCase			)
               _lowerCAmelCase 			=  FeaturesManager.determine_framework(_lowerCAmelCase			)
               self.assertEqual(_lowerCAmelCase       ,     self.framework_tf			)

         # Invalid local checkpoint
         with TemporaryDirectory() as local_invalid_ckpt:
               with self.assertRaises(_lowerCAmelCase			):
                     _lowerCAmelCase 			=  FeaturesManager.determine_framework(_lowerCAmelCase			)





   def 	__lowerCAmelCase							(	self			):
         _lowerCAmelCase 			=  MagicMock(return_value=_lowerCAmelCase			)
         with patch('''transformers.onnx.features.is_tf_available'''       ,     _lowerCAmelCase			):
               _lowerCAmelCase 			=  FeaturesManager.determine_framework(self.test_model			)
               self.assertEqual(_lowerCAmelCase       ,     self.framework_pt			)

         # PyTorch not in environment -> use TensorFlow
         _lowerCAmelCase 			=  MagicMock(return_value=_lowerCAmelCase			)
         with patch('''transformers.onnx.features.is_torch_available'''       ,     _lowerCAmelCase			):
               _lowerCAmelCase 			=  FeaturesManager.determine_framework(self.test_model			)
               self.assertEqual(_lowerCAmelCase       ,     self.framework_tf			)

         # Both in environment -> use PyTorch
         _lowerCAmelCase 			=  MagicMock(return_value=_lowerCAmelCase			)
         _lowerCAmelCase 			=  MagicMock(return_value=_lowerCAmelCase			)
         with patch('''transformers.onnx.features.is_tf_available'''       ,     _lowerCAmelCase			), patch(
             '''transformers.onnx.features.is_torch_available'''       ,     _lowerCAmelCase			):
               _lowerCAmelCase 			=  FeaturesManager.determine_framework(self.test_model			)
               self.assertEqual(_lowerCAmelCase       ,     self.framework_pt			)

         # Both not in environment -> raise error
         _lowerCAmelCase 			=  MagicMock(return_value=_lowerCAmelCase			)
         _lowerCAmelCase 			=  MagicMock(return_value=_lowerCAmelCase			)
         with patch('''transformers.onnx.features.is_tf_available'''       ,     _lowerCAmelCase			), patch(
             '''transformers.onnx.features.is_torch_available'''       ,     _lowerCAmelCase			):
               with self.assertRaises(_lowerCAmelCase			):
                     _lowerCAmelCase 			=  FeaturesManager.determine_framework(self.test_model			)