



import asyncio
import os
import re
import sys
import tempfile
import unittest
from contextlib import contextmanager
from copy import deepcopy
from distutils.util import strtobool
from enum import Enum
from importlib.util import find_spec
from pathlib import Path
from unittest.mock import patch

import pyarrow as pa
import pytest
import requests
from packaging import version

from datasets import config


if config.PY_VERSION < version.parse("3.8"):
 import importlib_metadata
else:
 import importlib.metadata as importlib_metadata
def        lowercase_							(A : Optional[Any]		,					A : Union[str, Any]=False      ):
       try:
              snake_case__							:	Optional[Any]   	=	os.environ[key]
       except KeyError:
              # KEY isn't set, default to `default`.
              snake_case__							:	List[Any]   	=	default
       else:
              # KEY is set, convert it to True or False.
              try:
                     snake_case__							:	str   	=	strtobool(A      )
              except ValueError:
                     # More values are supported, but let's keep the message simple.
                     raise ValueError(F'''If set, {key} must be yes or no.'''      )
       return _value


a_   :List[Any]        =      parse_flag_from_env("RUN_SLOW", default=False)
a_   :List[Any]        =      parse_flag_from_env("RUN_REMOTE", default=False)
a_   :Optional[int]        =      parse_flag_from_env("RUN_LOCAL", default=True)
a_   :Union[str, Any]        =      parse_flag_from_env("RUN_PACKAGED", default=True)

# Compression
a_   :str        =      pytest.mark.skipif(not config.LZ4_AVAILABLE, reason="test requires lz4")
a_   :List[str]        =      pytest.mark.skipif(not config.PY7ZR_AVAILABLE, reason="test requires py7zr")
a_   :Union[str, Any]        =      pytest.mark.skipif(not config.ZSTANDARD_AVAILABLE, reason="test requires zstandard")

# Audio
a_   :Optional[int]        =      pytest.mark.skipif(
    # On Windows and OS X, soundfile installs sndfile
    find_spec("soundfile") is None or version.parse(importlib_metadata.version("soundfile")) < version.parse("0.12.0"),
    reason="test requires sndfile>=0.12.1: 'pip install \"soundfile>=0.12.1\"'; ",
)

# Beam
a_   :Dict        =      pytest.mark.skipif(
    not config.BEAM_AVAILABLE or config.DILL_VERSION >= version.parse("0.3.2"),
    reason="test requires apache-beam and a compatible dill version",
)

# Dill-cloudpickle compatibility
a_   :List[Any]        =      pytest.mark.skipif(
    config.DILL_VERSION <= version.parse("0.3.2"),
    reason="test requires dill>0.3.2 for cloudpickle compatibility",
)

# Windows
a_   :str        =      pytest.mark.skipif(
    sys.platform == "win32",
    reason="test should not be run on Windows",
)
def        lowercase_							(A : Union[str, Any]      ):
       try:
              import faiss  # noqa
       except ImportError:
              snake_case__							:	str   	=	unittest.skip('test requires faiss'      )(A      )
       return test_case
def        lowercase_							(A : Union[str, Any]      ):
       try:
              import regex  # noqa
       except ImportError:
              snake_case__							:	List[Any]   	=	unittest.skip('test requires regex'      )(A      )
       return test_case
def        lowercase_							(A : str      ):
       try:
              import elasticsearch  # noqa
       except ImportError:
              snake_case__							:	Dict   	=	unittest.skip('test requires elasticsearch'      )(A      )
       return test_case
def        lowercase_							(A : Tuple      ):
       try:
              import sqlalchemy  # noqa
       except ImportError:
              snake_case__							:	int   	=	unittest.skip('test requires sqlalchemy'      )(A      )
       return test_case
def        lowercase_							(A : Any      ):
       if not config.TORCH_AVAILABLE:
              snake_case__							:	Union[str, Any]   	=	unittest.skip('test requires PyTorch'      )(A      )
       return test_case
def        lowercase_							(A : int      ):
       if not config.TF_AVAILABLE:
              snake_case__							:	Union[str, Any]   	=	unittest.skip('test requires TensorFlow'      )(A      )
       return test_case
def        lowercase_							(A : Tuple      ):
       if not config.JAX_AVAILABLE:
              snake_case__							:	Dict   	=	unittest.skip('test requires JAX'      )(A      )
       return test_case
def        lowercase_							(A : List[Any]      ):
       if not config.PIL_AVAILABLE:
              snake_case__							:	List[Any]   	=	unittest.skip('test requires Pillow'      )(A      )
       return test_case
def        lowercase_							(A : Dict      ):
       try:
              import transformers  # noqa F401
       except ImportError:
              return unittest.skip('test requires transformers'      )(A      )
       else:
              return test_case
def        lowercase_							(A : Dict      ):
       try:
              import tiktoken  # noqa F401
       except ImportError:
              return unittest.skip('test requires tiktoken'      )(A      )
       else:
              return test_case
def        lowercase_							(A : Optional[Any]      ):
       try:
              import spacy  # noqa F401
       except ImportError:
              return unittest.skip('test requires spacy'      )(A      )
       else:
              return test_case
def        lowercase_							(A : Tuple      ):

       def _require_spacy_model(A : int      ):
              try:
                     import spacy  # noqa F401

                     spacy.load(A      )
              except ImportError:
                     return unittest.skip('test requires spacy'      )(A      )
              except OSError:
                     return unittest.skip('test requires spacy model \'{}\''.format(A      )      )(A      )
              else:
                     return test_case

       return _require_spacy_model
def        lowercase_							(A : List[Any]      ):
       try:
              import pyspark  # noqa F401
       except ImportError:
              return unittest.skip('test requires pyspark'      )(A      )
       else:
              return test_case
def        lowercase_							(A : Dict      ):
       try:
              import joblibspark  # noqa F401
       except ImportError:
              return unittest.skip('test requires joblibspark'      )(A      )
       else:
              return test_case
def        lowercase_							(A : int      ):
       if not _run_slow_tests or _run_slow_tests == 0:
              snake_case__							:	List[Any]   	=	unittest.skip('test is slow'      )(A      )
       return test_case
def        lowercase_							(A : Union[str, Any]      ):
       if not _run_local_tests or _run_local_tests == 0:
              snake_case__							:	List[Any]   	=	unittest.skip('test is local'      )(A      )
       return test_case
def        lowercase_							(A : Dict      ):
       if not _run_packaged_tests or _run_packaged_tests == 0:
              snake_case__							:	Optional[Any]   	=	unittest.skip('test is packaged'      )(A      )
       return test_case
def        lowercase_							(A : Optional[int]      ):
       if not _run_remote_tests or _run_remote_tests == 0:
              snake_case__							:	Optional[Any]   	=	unittest.skip('test requires remote'      )(A      )
       return test_case
def        lowercase_							(*A : Any      ):
       def decorate(cls : List[str]      ):
              for name, fn in cls.__dict__.items():
                     if callable(A      ) and name.startswith('test'      ):
                            for decorator in decorators:
                                   snake_case__							:	List[str]   	=	decorator(A      )
                            setattr(cls		,					A		,					A      )
              return cls

       return decorate




class 					snake_case__						(       lowerCAmelCase_     ):






     """simple docstring"""


     pass




class 					snake_case__						(       lowerCAmelCase_     ):






     """simple docstring"""


     _SCREAMING_SNAKE_CASE						=	0
     _SCREAMING_SNAKE_CASE						=	1
     _SCREAMING_SNAKE_CASE						=	2


@contextmanager
def        lowercase_							(A : Tuple=OfflineSimulationMode.CONNECTION_FAILS		,					A : Any=1e-16      ):
       snake_case__							:	str   	=	requests.Session().request

       def timeout_request(A : Tuple		,					A : Tuple		,					A : Tuple		,					**A : List[str]      ):
              # Change the url to an invalid url so that the connection hangs
              snake_case__							:	Any   	=	'https://10.255.255.1'
              if kwargs.get('timeout'      ) is None:
                     raise RequestWouldHangIndefinitelyError(
                         F'''Tried a call to {url} in offline mode with no timeout set. Please set a timeout.'''      )
              snake_case__							:	List[Any]   	=	timeout
              try:
                     return online_request(A		,					A		,					**A      )
              except Exception as e:
                     # The following changes in the error are just here to make the offline timeout error prettier
                     snake_case__							:	Dict   	=	url
                     snake_case__							:	Optional[Any]   	=	e.args[0]
                     snake_case__							:	str   	=	(max_retry_error.args[0].replace('10.255.255.1'		,					F'''OfflineMock[{url}]'''      ),)
                     snake_case__							:	List[str]   	=	(max_retry_error,)
                     raise

       def raise_connection_error(A : Any		,					A : Dict		,					**A : Tuple      ):
              raise requests.ConnectionError('Offline mode is enabled.'		,					request=A      )

       if mode is OfflineSimulationMode.CONNECTION_FAILS:
              with patch('requests.Session.send'		,					A      ):
                     yield
       elif mode is OfflineSimulationMode.CONNECTION_TIMES_OUT:
              # inspired from https://stackoverflow.com/a/904609
              with patch('requests.Session.request'		,					A      ):
                     yield
       elif mode is OfflineSimulationMode.HF_DATASETS_OFFLINE_SET_TO_1:
              with patch('datasets.config.HF_DATASETS_OFFLINE'		,					A      ):
                     yield
       else:
              raise ValueError('Please use a value from the OfflineSimulationMode enum.'      )
@contextmanager
def        lowercase_							(*A : List[str]		,					**A : Optional[int]      ):
       snake_case__							:	Optional[Any]   	=	str(Path().resolve()      )
       with tempfile.TemporaryDirectory(*A		,					**A      ) as tmp_dir:
              try:
                     os.chdir(A      )
                     yield
              finally:
                     os.chdir(A      )
@contextmanager
def        lowercase_							():
       import gc

       gc.collect()
       snake_case__							:	Union[str, Any]   	=	pa.total_allocated_bytes()
       yield
       assert pa.total_allocated_bytes() - previous_allocated_memory > 0, "Arrow memory didn't increase."
@contextmanager
def        lowercase_							():
       import gc

       gc.collect()
       snake_case__							:	Dict   	=	pa.total_allocated_bytes()
       yield
       assert pa.total_allocated_bytes() - previous_allocated_memory <= 0, "Arrow memory wasn't expected to increase."
def        lowercase_							(A : Union[str, Any]		,					A : Union[str, Any]      ):
       return deepcopy(A      ).integers(0		,					1_0_0		,					1_0      ).tolist() == deepcopy(A      ).integers(0		,					1_0_0		,					1_0      ).tolist()
def        lowercase_							(A : Union[str, Any]      ):
       import decorator
       from requests.exceptions import HTTPError

       def _wrapper(A : List[str]		,					*A : Tuple		,					**A : Dict      ):
              try:
                     return func(*A		,					**A      )
              except HTTPError as err:
                     if str(A      ).startswith('500'      ) or str(A      ).startswith('502'      ):
                            pytest.xfail(str(A      )      )
                     raise err

       return decorator.decorator(_wrapper		,					A      )




class 					snake_case__						:






     """simple docstring"""


     def __init__(       self  :  Optional[int], _snake_case  :  Dict, _snake_case  :  Optional[Any], _snake_case  :  int					)   ->List[str]:
            snake_case__							:	Optional[Any]   	=	returncode
            snake_case__							:	Tuple   	=	stdout
            snake_case__							:	Optional[int]   	=	stderr


async def        lowercase_							(A : Any		,					A : Optional[int]      ):
       while True:
              snake_case__							:	List[str]   	=	await stream.readline()
              if line:
                     callback(A      )
              else:
                     break
async def        lowercase_							(A : Any		,					A : Dict=None		,					A : str=None		,					A : Union[str, Any]=None		,					A : List[str]=False		,					A : Tuple=False      ):
       if echo:
              print('\nRunning: '		,					' '.join(A      )      )

       snake_case__							:	Optional[int]   	=	await asyncio.create_subprocess_exec(
           cmd[0]		,					*cmd[1:]		,					stdin=A		,					stdout=asyncio.subprocess.PIPE		,					stderr=asyncio.subprocess.PIPE		,					env=A		,					)

       # note: there is a warning for a possible deadlock when using `wait` with huge amounts of data in the pipe
       # https://docs.python.org/3/library/asyncio-subprocess.html#asyncio.asyncio.subprocess.Process.wait
       #
       # If it starts hanging, will need to switch to the following code. The problem is that no data
       # will be seen until it's done and if it hangs for example there will be no debug info.
       # out, err = await p.communicate()
       # return _RunOutput(p.returncode, out, err)

       snake_case__							:	Optional[int]   	=	[]
       snake_case__							:	Dict   	=	[]

       def tee(A : int		,					A : Tuple		,					A : Optional[Any]		,					A : List[str]=""      ):
              snake_case__							:	List[str]   	=	line.decode('utf-8'      ).rstrip()
              sink.append(A      )
              if not quiet:
                     print(A		,					A		,					file=A      )

    # XXX: the timeout doesn't seem to make any difference here
       await asyncio.wait(
           [
               _read_stream(p.stdout		,					lambda A      : tee(A		,					A		,					sys.stdout		,					label='stdout:'      )      ),
               _read_stream(p.stderr		,					lambda A      : tee(A		,					A		,					sys.stderr		,					label='stderr:'      )      ),
           ]		,					timeout=A		,					)
       return _RunOutput(await p.wait()		,					A		,					A      )
def        lowercase_							(A : Dict		,					A : int=None		,					A : Any=None		,					A : Union[str, Any]=1_8_0		,					A : int=False		,					A : int=True      ):
       snake_case__							:	Dict   	=	asyncio.get_event_loop()
       snake_case__							:	List[Any]   	=	loop.run_until_complete(
           _stream_subprocess(A		,					env=A		,					stdin=A		,					timeout=A		,					quiet=A		,					echo=A      )      )

       snake_case__							:	List[str]   	=	' '.join(A      )
       if result.returncode > 0:
              snake_case__							:	Optional[int]   	=	'\n'.join(result.stderr      )
              raise RuntimeError(
                  F'''\'{cmd_str}\' failed with returncode {result.returncode}\n\n'''
                  F'''The combined stderr from workers follows:\n{stderr}'''      )

       # check that the subprocess actually did run and produced some output, should the test rely on
       # the remote side to do the testing
       if not result.stdout and not result.stderr:
              raise RuntimeError(F'''\'{cmd_str}\' produced no output.'''      )

       return result
def        lowercase_							():
       snake_case__							:	List[Any]   	=	os.environ.get('PYTEST_XDIST_WORKER'		,					'gw0'      )
       snake_case__							:	Optional[Any]   	=	re.sub(r'^gw'		,					''		,					A		,					0		,					re.M      )
       return int(A      )





def        lowercase_							():
       snake_case__							:	List[Any]   	=	2_9_5_0_0
       snake_case__							:	List[Any]   	=	pytest_xdist_worker_id()
       return port + uniq_delta











from collections import deque

from .hash_table import HashTable




class 					snake_case__						(       lowerCAmelCase_     ):






     """simple docstring"""


     def __init__(       self  :  Optional[Any], *_snake_case  :  Optional[Any], **_snake_case  :  List[Any]					)   ->Optional[int]:
            super().__init__(*_snake_case, **_snake_case					)






     def    lowercase_   (       self  :  Optional[Any], _snake_case  :  Tuple, _snake_case  :  Dict					)   ->Dict:
            snake_case__							:	int   	=	deque([]					) if self.values[key] is None else self.values[key]
            self.values[key].appendleft(_snake_case					)
            snake_case__							:	Dict   	=	self.values[key]






     def    lowercase_   (       self  :  Any					)   ->Optional[Any]:
            return (
                sum(self.charge_factor - len(_snake_case					) for slot in self.values					)
                / self.size_table
                * self.charge_factor
            )






     def    lowercase_   (       self  :  Union[str, Any], _snake_case  :  str, _snake_case  :  Optional[int]=None					)   ->Optional[Any]:
            if not (
                len(self.values[key]					) == self.charge_factor and self.values.count(_snake_case					) == 0
            ):
                   return key
            return super()._collision_resolution(_snake_case, _snake_case					)






