




"""simple docstring"""







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,
)


__A   :  int					=      'hf-internal-testing/tiny-random-bert'
__A   :  Optional[int]					=      os.path.join(TRANSFORMERS_CACHE, 'models--hf-internal-testing--tiny-random-bert')
__A   :  Tuple					=      '9b8c223d42b2188cb49d29af482996f9d0f3e5a6'




class       lowerCAmelCase__       (			unittest.TestCase    ):


				"""simple docstring"""





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

						# File is cached at the same place the second time.
						__lowercase				:		Optional[Any]												=				cached_file(lowercase__    ,   lowercase__						)
						self.assertEqual(lowercase__    ,   lowercase__						)

						# Using a specific revision to test the full commit hash.
						__lowercase				:		List[Any]												=				cached_file(lowercase__    ,   lowercase__    ,   revision="9b8c223"						)
						self.assertEqual(lowercase__    ,   os.path.join(lowercase__    ,   "snapshots"    ,   lowercase__    ,   lowercase__						)						)



				def       snake_case    (     self					:	List[str]						):
						with self.assertRaisesRegex(lowercase__    ,   "is not a valid model identifier"						):
								__lowercase				:		Tuple												=				cached_file("tiny-random-bert"    ,   lowercase__						)

						with self.assertRaisesRegex(lowercase__    ,   "is not a valid git identifier"						):
								__lowercase				:		List[str]												=				cached_file(lowercase__    ,   lowercase__    ,   revision="aaaa"						)

						with self.assertRaisesRegex(lowercase__    ,   "does not appear to have a file named"						):
								__lowercase				:		Optional[Any]												=				cached_file(lowercase__    ,   "conf"						)



				def       snake_case    (     self					:	Dict						):
						with self.assertRaisesRegex(lowercase__    ,   "does not appear to have a file named"						):
								__lowercase				:		Tuple												=				cached_file(lowercase__    ,   "conf"						)

						with open(os.path.join(lowercase__    ,   "refs"    ,   "main"						)						) as f:
								__lowercase				:		Optional[int]												=				f.read()
						self.assertTrue(os.path.isfile(os.path.join(lowercase__    ,   ".no_exist"    ,   lowercase__    ,   "conf"						)						)						)

						__lowercase				:		Optional[Any]												=				cached_file(lowercase__    ,   "conf"    ,   _raise_exceptions_for_missing_entries=lowercase__						)
						self.assertIsNone(lowercase__						)

						__lowercase				:		Union[str, Any]												=				cached_file(lowercase__    ,   "conf"    ,   local_files_only=lowercase__    ,   _raise_exceptions_for_missing_entries=lowercase__						)
						self.assertIsNone(lowercase__						)

						__lowercase				:		int												=				mock.Mock()
						__lowercase				:		Optional[Any]												=				5_0_0
						__lowercase				:		Any												=				{}
						__lowercase				:		Optional[Any]												=				HTTPError
						__lowercase				:		Optional[Any]												=				{}

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



				def       snake_case    (     self					:	List[Any]						):
						self.assertTrue(has_file("hf-internal-testing/tiny-bert-pt-only"    ,   lowercase__						)						)
						self.assertFalse(has_file("hf-internal-testing/tiny-bert-pt-only"    ,   lowercase__						)						)
						self.assertFalse(has_file("hf-internal-testing/tiny-bert-pt-only"    ,   lowercase__						)						)



				def       snake_case    (     self					:	int						):
						# `get_file_from_repo` returns None if the file does not exist
						self.assertIsNone(get_file_from_repo("bert-base-cased"    ,   "ahah.txt"						)						)

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

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

						__lowercase				:		Dict												=				get_file_from_repo("bert-base-cased"    ,   lowercase__						)
						# The name is the cached name which is not very easy to test, so instead we load the content.
						__lowercase				:		str												=				json.loads(open(lowercase__    ,   "r"						).read()						)
						self.assertEqual(config["hidden_size"]    ,   7_6_8						)



				def       snake_case    (     self					:	Optional[Any]						):
						with tempfile.TemporaryDirectory() as tmp_dir:
								__lowercase				:		List[str]												=				Path(lowercase__						) / "a.txt"
								filename.touch()
								self.assertEqual(get_file_from_repo(lowercase__    ,   "a.txt"						)    ,   str(lowercase__						)						)

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






"""simple docstring"""







def 						snake_case__       (					_lowerCamelCase				)			->list:






		"""simple docstring"""


		__lowercase				:		Optional[int]												=				[0] * len(_lowerCamelCase				)

		for i in range(1,  len(_lowerCamelCase				)				):
				# use last results for better performance - dynamic programming
				__lowercase				:		Optional[Any]												=				prefix_result[i - 1]
				while j > 0 and input_string[i] != input_string[j]:
						__lowercase				:		List[str]												=				prefix_result[j - 1]

				if input_string[i] == input_string[j]:
						j += 1
				__lowercase				:		Any												=				j

		return prefix_result

def 						snake_case__       (					_lowerCamelCase				)			->int:






		"""simple docstring"""


		return max(prefix_function(_lowerCamelCase				)				)


if __name__ == "__main__":
						import doctest

						doctest.testmod()
