
"""simple docstring"""



from pathlib import PurePosixPath
from typing import Optional

import fsspec
from fsspec import AbstractFileSystem
from huggingface_hub.hf_api import DatasetInfo

from ..utils.file_utils import get_authentication_headers_for_url
from ..utils.hub import hf_hub_url

class       lowerCAmelCase__				(						A_	):
     __a						=					""""""
     __a						=					"""hf-legacy"""  # "hf://"" is reserved for hffs







     def __init__(							self			:			Union[str, Any]    ,      _lowerCamelCase			:			Optional[DatasetInfo] = None    ,      _lowerCamelCase			:			Optional[str] = None    ,      **_lowerCamelCase			:			Optional[int]    ,      ):
       super().__init__(self    ,      **_lowerCamelCase			)
       _snake_case					     =       repo_info
       _snake_case					     =       token
       _snake_case					     =       None







     def      lowercase	(							self			:			int			):
       if self.dir_cache is None:
         _snake_case					     =       {}
         for hf_file in self.repo_info.siblings:
           # TODO(QL): add sizes
           _snake_case					     =       {
               '''name''': hf_file.rfilename,
               '''size''': None,
               '''type''': '''file''',
           }
           self.dir_cache.update(
               {
                   str(_lowerCamelCase			): {'''name''': str(_lowerCamelCase			), '''size''': None, '''type''': '''directory'''}
                   for d in list(PurePosixPath(hf_file.rfilename			).parents			)[:-1]
               }			)







     def      lowercase	(							self			:			Any    ,      _lowerCamelCase			:			str    ,      _lowerCamelCase			:			str = "rb"    ,      **_lowerCamelCase			:			int    ,      ):
       if not isinstance(self.repo_info    ,      _lowerCamelCase			):
         raise NotImplementedError(f'''Open is only implemented for dataset repositories, but got {self.repo_info}'''			)
       _snake_case					     =       hf_hub_url(self.repo_info.id    ,      _lowerCamelCase    ,      revision=self.repo_info.sha			)
       return fsspec.open(
           _lowerCamelCase    ,      mode=_lowerCamelCase    ,      headers=get_authentication_headers_for_url(_lowerCamelCase    ,      use_auth_token=self.token			)    ,      client_kwargs={'''trust_env''': True}    ,      ).open()







     def      lowercase	(							self			:			Union[str, Any]    ,      _lowerCamelCase			:			Union[str, Any]    ,      **_lowerCamelCase			:			int			):
       self._get_dirs()
       _snake_case					     =       self._strip_protocol(_lowerCamelCase			)
       if path in self.dir_cache:
         return self.dir_cache[path]
       else:
         raise FileNotFoundError(_lowerCamelCase			)







     def      lowercase	(							self			:			List[str]    ,      _lowerCamelCase			:			int    ,      _lowerCamelCase			:			str=False    ,      **_lowerCamelCase			:			int			):
       self._get_dirs()
       _snake_case					     =       PurePosixPath(path.strip('''/'''			)			)
       _snake_case					     =       {}
       for p, f in self.dir_cache.items():
         _snake_case					     =       PurePosixPath(p.strip('''/'''			)			)
         _snake_case					     =       p.parent
         if root == path:
           _snake_case					     =       f
       _snake_case					     =       list(paths.values()			)
       if detail:
         return out
       else:
         return sorted(f['''name'''] for f in out			)





"""simple docstring"""



import math

import numpy as np
import qiskit
from qiskit import Aer, ClassicalRegister, QuantumCircuit, QuantumRegister, execute
def 					_UpperCAmelCase      ( __lowerCamelCase   :       int = 3		)     ->					qiskit.result.counts.Counts:
  if isinstance(__lowerCamelCase ,					__lowerCamelCase		):
    raise TypeError('''number of qubits must be a integer.'''		)
  if number_of_qubits <= 0:
    raise ValueError('''number of qubits must be > 0.'''		)
  if math.floor(__lowerCamelCase		) != number_of_qubits:
    raise ValueError('''number of qubits must be exact integer.'''		)
  if number_of_qubits > 10:
    raise ValueError('''number of qubits too large to simulate(>10).'''		)

  _snake_case					     =       QuantumRegister(__lowerCamelCase ,					'''qr'''		)
  _snake_case					     =       ClassicalRegister(__lowerCamelCase ,					'''cr'''		)

  _snake_case					     =       QuantumCircuit(__lowerCamelCase ,					__lowerCamelCase		)

  _snake_case					     =       number_of_qubits

  for i in range(__lowerCamelCase		):
    quantum_circuit.h(number_of_qubits - i - 1		)
    counter -= 1
    for j in range(__lowerCamelCase		):
      quantum_circuit.cp(np.pi / 2 ** (counter - j) ,					__lowerCamelCase ,					__lowerCamelCase		)

  for k in range(number_of_qubits // 2		):
    quantum_circuit.swap(__lowerCamelCase ,					number_of_qubits - k - 1		)

  # measure all the qubits
  quantum_circuit.measure(__lowerCamelCase ,					__lowerCamelCase		)
  # simulate with 10000 shots
  _snake_case					     =       Aer.get_backend('''qasm_simulator'''		)
  _snake_case					     =       execute(__lowerCamelCase ,					__lowerCamelCase ,					shots=1_00_00		)

  return job.result().get_counts(__lowerCamelCase		)


if __name__ == "__main__":
 print(
     F"Total count for quantum fourier transform state is: \
    {quantum_fourier_transform(3)}"
 )



