




import pytest
import requests

from datasets.utils.file_utils import http_head

from .utils import OfflineSimulationMode, RequestWouldHangIndefinitelyError, offline





@pytest.mark.integration
def __UpperCamelCase			(       ):
						with offline(OfflineSimulationMode.CONNECTION_TIMES_OUT  ):
												with pytest.raises(_A  ):
																		requests.request('''GET''' ,  '''https://huggingface.co'''  )
												with pytest.raises(requests.exceptions.ConnectTimeout  ):
																		requests.request('''GET''' ,  '''https://huggingface.co''' ,  timeout=1.0  )





@pytest.mark.integration
def __UpperCamelCase			(       ):
						with offline(OfflineSimulationMode.CONNECTION_FAILS  ):
												with pytest.raises(requests.exceptions.ConnectionError  ):
																		requests.request('''GET''' ,  '''https://huggingface.co'''  )






def __UpperCamelCase			(       ):
						with offline(OfflineSimulationMode.HF_DATASETS_OFFLINE_SET_TO_1  ):
												with pytest.raises(_A  ):
																		http_head('''https://huggingface.co'''  )










import math

import numpy as np
import qiskit
from qiskit import Aer, ClassicalRegister, QuantumCircuit, QuantumRegister, execute





def __UpperCamelCase			(       _A = 3  ):
						if isinstance(_A ,  _A  ):
												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(_A  ) != 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).'''  )

						lowerCAmelCase_      			=  QuantumRegister(_A ,  '''qr'''  )
						lowerCAmelCase_      			=  ClassicalRegister(_A ,  '''cr'''  )

						lowerCAmelCase_      			=  QuantumCircuit(_A ,  _A  )

						lowerCAmelCase_      			=  number_of_qubits

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

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

						# measure all the qubits
						quantum_circuit.measure(_A ,  _A  )
						# simulate with 10000 shots
						lowerCAmelCase_      			=  Aer.get_backend('''qasm_simulator'''  )
						lowerCAmelCase_      			=  execute(_A ,  _A ,  shots=10000  )

						return job.result().get_counts(_A  )


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




