





from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_torch_available,
)


a__: str							   =						{
    'configuration_mega': ['MEGA_PRETRAINED_CONFIG_ARCHIVE_MAP', 'MegaConfig', 'MegaOnnxConfig'],
}

try:
       if not is_torch_available():
              raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
       pass
else:
       a__: Union[str, Any]							   =						[
           'MEGA_PRETRAINED_MODEL_ARCHIVE_LIST',
           'MegaForCausalLM',
           'MegaForMaskedLM',
           'MegaForMultipleChoice',
           'MegaForQuestionAnswering',
           'MegaForSequenceClassification',
           'MegaForTokenClassification',
           'MegaModel',
           'MegaPreTrainedModel',
       ]

if TYPE_CHECKING:
       from .configuration_mega import MEGA_PRETRAINED_CONFIG_ARCHIVE_MAP, MegaConfig, MegaOnnxConfig

       try:
              if not is_torch_available():
                     raise OptionalDependencyNotAvailable()
       except OptionalDependencyNotAvailable:
              pass
       else:
              from .modeling_mega import (
                  MEGA_PRETRAINED_MODEL_ARCHIVE_LIST,
                  MegaForCausalLM,
                  MegaForMaskedLM,
                  MegaForMultipleChoice,
                  MegaForQuestionAnswering,
                  MegaForSequenceClassification,
                  MegaForTokenClassification,
                  MegaModel,
                  MegaPreTrainedModel,
              )

else:
       import sys

       a__: Union[str, Any]							   =						_LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)












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__: Union[str, Any]							   =						'hf-internal-testing/tiny-random-bert'
a__: Optional[int]							   =						os.path.join(TRANSFORMERS_CACHE, 'models--hf-internal-testing--tiny-random-bert')
a__: List[str]							   =						'9b8c223d42b2188cb49d29af482996f9d0f3e5a6'




class        SCREAMING_SNAKE_CASE__					(		unittest.TestCase ):



 def 							UpperCamelCase     (				self					):
        A__		   =		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:
               A__		   =		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.
        A__		   =		cached_file(__lowerCamelCase,__lowerCamelCase					)
        self.assertEqual(__lowerCamelCase,__lowerCamelCase					)

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



 def 							UpperCamelCase     (				self					):
        with self.assertRaisesRegex(__lowerCamelCase,'''is not a valid model identifier'''					):
               A__		   =		cached_file('''tiny-random-bert''',__lowerCamelCase					)

        with self.assertRaisesRegex(__lowerCamelCase,'''is not a valid git identifier'''					):
               A__		   =		cached_file(__lowerCamelCase,__lowerCamelCase,revision='''aaaa'''					)

        with self.assertRaisesRegex(__lowerCamelCase,'''does not appear to have a file named'''					):
               A__		   =		cached_file(__lowerCamelCase,'''conf'''					)



 def 							UpperCamelCase     (				self					):
        with self.assertRaisesRegex(__lowerCamelCase,'''does not appear to have a file named'''					):
               A__		   =		cached_file(__lowerCamelCase,'''conf'''					)

        with open(os.path.join(__lowerCamelCase,'''refs''','''main'''					)					) as f:
               A__		   =		f.read()
        self.assertTrue(os.path.isfile(os.path.join(__lowerCamelCase,'''.no_exist''',__lowerCamelCase,'''conf'''					)					)					)

        A__		   =		cached_file(__lowerCamelCase,'''conf''',_raise_exceptions_for_missing_entries=__lowerCamelCase					)
        self.assertIsNone(__lowerCamelCase					)

        A__		   =		cached_file(__lowerCamelCase,'''conf''',local_files_only=__lowerCamelCase,_raise_exceptions_for_missing_entries=__lowerCamelCase					)
        self.assertIsNone(__lowerCamelCase					)

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

        # 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:
               A__		   =		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 							UpperCamelCase     (				self					):
        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 							UpperCamelCase     (				self					):
        # `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(__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'''					)

        A__		   =		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.
        A__		   =		json.loads(open(__lowerCamelCase,'''r'''					).read()					)
        self.assertEqual(config['''hidden_size'''],768					)




 def 							UpperCamelCase     (				self					):
        with tempfile.TemporaryDirectory() as tmp_dir:
               A__		   =		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'''					)					)





