




'''simple docstring'''




from collections.abc import Callable

import numpy as np





def      a_							(      __snake_case							:			Callable   ,       __snake_case							:			float   ,       __snake_case							:			float   ,       __snake_case							:			float   ,       __snake_case							:			float   )							->						np.ndarray:



       """simple docstring"""
       lowerCamelCase_							=int(np.ceil((x_end - xa) / step_size   )   )
       lowerCamelCase_							=np.zeros((n + 1,)   )
       lowerCamelCase_							=ya
       lowerCamelCase_							=xa

       for k in range(__snake_case   ):
              lowerCamelCase_							=y[k] + step_size * ode_func(__snake_case   ,       y[k]   )
              x += step_size

       return y


if __name__ == "__main__":
     import doctest

     doctest.testmod()








"""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,
)


__snake_case   			=    """hf-internal-testing/tiny-random-bert"""
__snake_case   			=    os.path.join(TRANSFORMERS_CACHE, """models--hf-internal-testing--tiny-random-bert""")
__snake_case   			=    """9b8c223d42b2188cb49d29af482996f9d0f3e5a6"""







class _lowerCAmelCase				(      unittest.TestCase	):







   def  lowerCamelCase		(	self						)	->		str:

       '''simple docstring'''




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

       # File is cached at the same place the second time.
       snake_case    :      List[str]      					=    cached_file(UpperCamelCase__						,	UpperCamelCase__						)
       self.assertEqual(UpperCamelCase__						,	UpperCamelCase__						)

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







   def  lowerCamelCase		(	self						)	->		Any:

       '''simple docstring'''




       with self.assertRaisesRegex(UpperCamelCase__						,	"is not a valid model identifier"						):
           snake_case    :      Optional[Any]      					=    cached_file("tiny-random-bert"						,	UpperCamelCase__						)

       with self.assertRaisesRegex(UpperCamelCase__						,	"is not a valid git identifier"						):
           snake_case    :      Optional[Any]      					=    cached_file(UpperCamelCase__						,	UpperCamelCase__						,	revision="aaaa"						)

       with self.assertRaisesRegex(UpperCamelCase__						,	"does not appear to have a file named"						):
           snake_case    :      List[Any]      					=    cached_file(UpperCamelCase__						,	"conf"						)







   def  lowerCamelCase		(	self						)	->		Tuple:

       '''simple docstring'''




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

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

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

       snake_case    :      Any      					=    cached_file(UpperCamelCase__						,	"conf"						,	local_files_only=UpperCamelCase__						,	_raise_exceptions_for_missing_entries=UpperCamelCase__						)
       self.assertIsNone(UpperCamelCase__						)

       snake_case    :      Any      					=    mock.Mock()
       snake_case    :      List[Any]      					=    500
       snake_case    :      int      					=    {}
       snake_case    :      Optional[int]      					=    HTTPError
       snake_case    :      Tuple      					=    {}

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







   def  lowerCamelCase		(	self						)	->		Any:

       '''simple docstring'''




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







   def  lowerCamelCase		(	self						)	->		str:

       '''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(UpperCamelCase__						,	"is not a valid model identifier"						):
           get_file_from_repo("bert-base-case"						,	UpperCamelCase__						)

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

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







   def  lowerCamelCase		(	self						)	->		Optional[Any]:

       '''simple docstring'''




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

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





