






import json
import os
import tempfile
import unittest
import unittest.mock as mock
from pathlib import Path

from requests.exceptions import HTTPError

from transformers.utils import (
    CONFIG_NAME,
    FLAX_WEIGHTS_NAME,
    TF2_WEIGHTS_NAME,
    TRANSFORMERS_CACHE,
    WEIGHTS_NAME,
    cached_file,
    get_file_from_repo,
    has_file,
)


__UpperCamelCase   :   Tuple      =    """hf-internal-testing/tiny-random-bert"""
__UpperCamelCase   :   str      =    os.path.join(TRANSFORMERS_CACHE, """models--hf-internal-testing--tiny-random-bert""")
__UpperCamelCase   :   Optional[Any]      =    """9b8c223d42b2188cb49d29af482996f9d0f3e5a6"""


class 							__UpperCamelCase     (  unittest.TestCase ):







	def 			_a (	self   :				List[Any]      )		->			str:
		"""simple docstring"""







		__lowercase   							=	cached_file(_lowerCAmelCase							,					_lowerCAmelCase      )
		# Should have downloaded the file in here
		self.assertTrue(os.path.isdir(_lowerCAmelCase      )      )
		# Cache should contain at least those three subfolders:
		for subfolder in ["blobs", "refs", "snapshots"]:
			self.assertTrue(os.path.isdir(os.path.join(_lowerCAmelCase							,					_lowerCAmelCase      )      )      )
		with open(os.path.join(_lowerCAmelCase							,					"""refs"""							,					"""main"""      )      ) as f:
			__lowercase   							=	f.read()
		self.assertEqual(_lowerCAmelCase							,					os.path.join(_lowerCAmelCase							,					"""snapshots"""							,					_lowerCAmelCase							,					_lowerCAmelCase      )      )
		self.assertTrue(os.path.isfile(_lowerCAmelCase      )      )

		# File is cached at the same place the second time.
		__lowercase   							=	cached_file(_lowerCAmelCase							,					_lowerCAmelCase      )
		self.assertEqual(_lowerCAmelCase							,					_lowerCAmelCase      )

		# Using a specific revision to test the full commit hash.
		__lowercase   							=	cached_file(_lowerCAmelCase							,					_lowerCAmelCase							,					revision="""9b8c223"""      )
		self.assertEqual(_lowerCAmelCase							,					os.path.join(_lowerCAmelCase							,					"""snapshots"""							,					_lowerCAmelCase							,					_lowerCAmelCase      )      )







	def 			_a (	self   :				Optional[int]      )		->			Any:
		"""simple docstring"""







		with self.assertRaisesRegex(_lowerCAmelCase							,					"""is not a valid model identifier"""      ):
			__lowercase   							=	cached_file("""tiny-random-bert"""							,					_lowerCAmelCase      )

		with self.assertRaisesRegex(_lowerCAmelCase							,					"""is not a valid git identifier"""      ):
			__lowercase   							=	cached_file(_lowerCAmelCase							,					_lowerCAmelCase							,					revision="""aaaa"""      )

		with self.assertRaisesRegex(_lowerCAmelCase							,					"""does not appear to have a file named"""      ):
			__lowercase   							=	cached_file(_lowerCAmelCase							,					"""conf"""      )







	def 			_a (	self   :				Tuple      )		->			str:
		"""simple docstring"""







		with self.assertRaisesRegex(_lowerCAmelCase							,					"""does not appear to have a file named"""      ):
			__lowercase   							=	cached_file(_lowerCAmelCase							,					"""conf"""      )

		with open(os.path.join(_lowerCAmelCase							,					"""refs"""							,					"""main"""      )      ) as f:
			__lowercase   							=	f.read()
		self.assertTrue(os.path.isfile(os.path.join(_lowerCAmelCase							,					""".no_exist"""							,					_lowerCAmelCase							,					"""conf"""      )      )      )

		__lowercase   							=	cached_file(_lowerCAmelCase							,					"""conf"""							,					_raise_exceptions_for_missing_entries=_lowerCAmelCase      )
		self.assertIsNone(_lowerCAmelCase      )

		__lowercase   							=	cached_file(_lowerCAmelCase							,					"""conf"""							,					local_files_only=_lowerCAmelCase							,					_raise_exceptions_for_missing_entries=_lowerCAmelCase      )
		self.assertIsNone(_lowerCAmelCase      )

		__lowercase   							=	mock.Mock()
		__lowercase   							=	500
		__lowercase   							=	{}
		__lowercase   							=	HTTPError
		__lowercase   							=	{}

		# Under the mock environment we get a 500 error when trying to reach the tokenizer.
		with mock.patch("""requests.Session.request"""							,					return_value=_lowerCAmelCase      ) as mock_head:
			__lowercase   							=	cached_file(_lowerCAmelCase							,					"""conf"""							,					_raise_exceptions_for_connection_errors=_lowerCAmelCase      )
			self.assertIsNone(_lowerCAmelCase      )
			# This check we did call the fake head request
			mock_head.assert_called()







	def 			_a (	self   :				Optional[int]      )		->			str:
		"""simple docstring"""







		self.assertTrue(has_file("""hf-internal-testing/tiny-bert-pt-only"""							,					_lowerCAmelCase      )      )
		self.assertFalse(has_file("""hf-internal-testing/tiny-bert-pt-only"""							,					_lowerCAmelCase      )      )
		self.assertFalse(has_file("""hf-internal-testing/tiny-bert-pt-only"""							,					_lowerCAmelCase      )      )







	def 			_a (	self   :				int      )		->			Tuple:
		"""simple docstring"""







		self.assertIsNone(get_file_from_repo("""bert-base-cased"""							,					"""ahah.txt"""      )      )

		# The function raises if the repository does not exist.
		with self.assertRaisesRegex(_lowerCAmelCase							,					"""is not a valid model identifier"""      ):
			get_file_from_repo("""bert-base-case"""							,					_lowerCAmelCase      )

		# The function raises if the revision does not exist.
		with self.assertRaisesRegex(_lowerCAmelCase							,					"""is not a valid git identifier"""      ):
			get_file_from_repo("""bert-base-cased"""							,					_lowerCAmelCase							,					revision="""ahaha"""      )

		__lowercase   							=	get_file_from_repo("""bert-base-cased"""							,					_lowerCAmelCase      )
		# The name is the cached name which is not very easy to test, so instead we load the content.
		__lowercase   							=	json.loads(open(_lowerCAmelCase							,					"""r"""      ).read()      )
		self.assertEqual(config["""hidden_size"""]							,					768      )







	def 			_a (	self   :				Dict      )		->			Optional[int]:
		"""simple docstring"""







		with tempfile.TemporaryDirectory() as tmp_dir:
			__lowercase   							=	Path(_lowerCAmelCase      ) / """a.txt"""
			filename.touch()
			self.assertEqual(get_file_from_repo(_lowerCAmelCase							,					"""a.txt"""      )							,					str(_lowerCAmelCase      )      )

			self.assertIsNone(get_file_from_repo(_lowerCAmelCase							,					"""b.txt"""      )      )









UpperCAmelCase__      			=						'''ABCDEFGHIJKLMNOPQRSTUVWXYZ'''







def     a_   ()				->						None:



					"""simple docstring"""
					__a					:						Dict      =					input("Enter message: "      )
					__a					:						Dict      =					input("Enter key [alphanumeric]: "      )
					__a					:						str      =					input("Encrypt/Decrypt [e/d]: "      )

					if mode.lower().startswith("e"      ):
										__a					:						List[str]      =					"encrypt"
										__a					:						Union[str, Any]      =					encrypt_message(__A				,       __A      )
					elif mode.lower().startswith("d"      ):
										__a					:						int      =					"decrypt"
										__a					:						List[str]      =					decrypt_message(__A				,       __A      )

					print(f'\n{mode.title()}ed message:'      )
					print(__A      )







def     a_   (__A				,       __A      )				->						str:



					"""simple docstring"""
					return translate_message(__A				,       __A				,       "encrypt"      )







def     a_   (__A				,       __A      )				->						str:



					"""simple docstring"""
					return translate_message(__A				,       __A				,       "decrypt"      )







def     a_   (__A				,       __A				,       __A      )				->						str:



					"""simple docstring"""
					__a					:						Union[str, Any]      =					[]
					__a					:						Tuple      =					0
					__a					:						Dict      =					key.upper()

					for symbol in message:
										__a					:						Dict      =					LETTERS.find(symbol.upper()      )
										if num != -1:
															if mode == "encrypt":
																				num += LETTERS.find(key[key_index]      )
															elif mode == "decrypt":
																				num -= LETTERS.find(key[key_index]      )

															num %= len(__A      )

															if symbol.isupper():
																				translated.append(LETTERS[num]      )
															elif symbol.islower():
																				translated.append(LETTERS[num].lower()      )

															key_index += 1
															if key_index == len(__A      ):
																				__a					:						List[str]      =					0
										else:
															translated.append(__A      )
					return "".join(__A      )


if __name__ == "__main__":
			main()





