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json_resolver_cache.py
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json_resolver_cache.py
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# Copyright 2020 The Cirq Developers
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Methods for resolving JSON types during serialization."""
import datetime
import functools
from typing import Dict, List, NamedTuple, Optional, Tuple, TYPE_CHECKING
from cirq.protocols.json_serialization import ObjectFactory
if TYPE_CHECKING:
import cirq
import cirq.ops.pauli_gates
import cirq.devices.unconstrained_device
# Needed for backwards compatible named tuples of CrossEntropyResult
CrossEntropyPair = NamedTuple('CrossEntropyPair', [('num_cycle', int), ('xeb_fidelity', float)])
SpecklePurityPair = NamedTuple('SpecklePurityPair', [('num_cycle', int), ('purity', float)])
CrossEntropyResult = NamedTuple(
'CrossEntropyResult',
[
('data', List[CrossEntropyPair]),
('repetitions', int),
('purity_data', Optional[List[SpecklePurityPair]]),
],
)
CrossEntropyResultDict = NamedTuple(
'CrossEntropyResultDict', [('results', Dict[Tuple['cirq.Qid', ...], CrossEntropyResult])]
)
@functools.lru_cache()
def _class_resolver_dictionary() -> Dict[str, ObjectFactory]:
import cirq
from cirq.ops import raw_types
import pandas as pd
import numpy as np
from cirq.devices.noise_model import _NoNoiseModel
from cirq.devices import InsertionNoiseModel
from cirq.experiments import GridInteractionLayer
from cirq.experiments.grid_parallel_two_qubit_xeb import GridParallelXEBMetadata
def _boolean_hamiltonian_gate_op(qubit_map, boolean_strs, theta):
return cirq.BooleanHamiltonianGate(
parameter_names=list(qubit_map.keys()), boolean_strs=boolean_strs, theta=theta
).on(*qubit_map.values())
def _identity_operation_from_dict(qubits, **kwargs):
return cirq.identity_each(*qubits)
def single_qubit_matrix_gate(matrix):
if not isinstance(matrix, np.ndarray):
matrix = np.array(matrix, dtype=np.complex128)
return cirq.MatrixGate(matrix, qid_shape=(matrix.shape[0],))
def two_qubit_matrix_gate(matrix):
if not isinstance(matrix, np.ndarray):
matrix = np.array(matrix, dtype=np.complex128)
return cirq.MatrixGate(matrix, qid_shape=(2, 2))
def _cross_entropy_result(data, repetitions, **kwargs) -> CrossEntropyResult:
purity_data = kwargs.get('purity_data', None)
if purity_data is not None:
purity_data = [SpecklePurityPair(d, f) for d, f in purity_data]
return CrossEntropyResult(
data=[CrossEntropyPair(d, f) for d, f in data],
repetitions=repetitions,
purity_data=purity_data,
)
def _cross_entropy_result_dict(
results: List[Tuple[List['cirq.Qid'], CrossEntropyResult]], **kwargs
) -> CrossEntropyResultDict:
return CrossEntropyResultDict(results={tuple(qubits): result for qubits, result in results})
def _parallel_gate_op(gate, qubits):
return cirq.parallel_gate_op(gate, *qubits)
def _datetime(timestamp: float) -> datetime.datetime:
# We serialize datetimes (both with ("aware") and without ("naive") timezone information)
# as unix timestamps. The deserialized datetime will always refer to the
# same point in time, but will be re-constructed as a timezone-aware object.
#
# If `o` is a naive datetime, o != read_json(to_json(o)) because Python doesn't
# let you compare aware and naive datetimes.
return datetime.datetime.fromtimestamp(timestamp, tz=datetime.timezone.utc)
def _symmetricalqidpair(qids):
return frozenset(qids)
import sympy
return {
'AmplitudeDampingChannel': cirq.AmplitudeDampingChannel,
'AnyIntegerPowerGateFamily': cirq.AnyIntegerPowerGateFamily,
'AnyUnitaryGateFamily': cirq.AnyUnitaryGateFamily,
'AsymmetricDepolarizingChannel': cirq.AsymmetricDepolarizingChannel,
'BitFlipChannel': cirq.BitFlipChannel,
'BitstringAccumulator': cirq.work.BitstringAccumulator,
'BooleanHamiltonianGate': cirq.BooleanHamiltonianGate,
'CCNotPowGate': cirq.CCNotPowGate,
'CCXPowGate': cirq.CCXPowGate,
'CCZPowGate': cirq.CCZPowGate,
'Circuit': cirq.Circuit,
'CircuitOperation': cirq.CircuitOperation,
'ClassicallyControlledOperation': cirq.ClassicallyControlledOperation,
'ClassicalDataDictionaryStore': cirq.ClassicalDataDictionaryStore,
'CliffordGate': cirq.CliffordGate,
'CliffordState': cirq.CliffordState,
'CliffordTableau': cirq.CliffordTableau,
'CNotPowGate': cirq.CNotPowGate,
'ConstantQubitNoiseModel': cirq.ConstantQubitNoiseModel,
'ControlledGate': cirq.ControlledGate,
'ControlledOperation': cirq.ControlledOperation,
'CSwapGate': cirq.CSwapGate,
'CXPowGate': cirq.CXPowGate,
'CZPowGate': cirq.CZPowGate,
'CZTargetGateset': cirq.CZTargetGateset,
'DiagonalGate': cirq.DiagonalGate,
'DensePauliString': cirq.DensePauliString,
'DepolarizingChannel': cirq.DepolarizingChannel,
'DeviceMetadata': cirq.DeviceMetadata,
'Duration': cirq.Duration,
'FrozenCircuit': cirq.FrozenCircuit,
'FSimGate': cirq.FSimGate,
'GateFamily': cirq.GateFamily,
'GateOperation': cirq.GateOperation,
'Gateset': cirq.Gateset,
'GeneralizedAmplitudeDampingChannel': cirq.GeneralizedAmplitudeDampingChannel,
'GlobalPhaseGate': cirq.GlobalPhaseGate,
'GridDeviceMetadata': cirq.GridDeviceMetadata,
'GridInteractionLayer': GridInteractionLayer,
'GridParallelXEBMetadata': GridParallelXEBMetadata,
'GridQid': cirq.GridQid,
'GridQubit': cirq.GridQubit,
'HPowGate': cirq.HPowGate,
'ISwapPowGate': cirq.ISwapPowGate,
'IdentityGate': cirq.IdentityGate,
'InitObsSetting': cirq.work.InitObsSetting,
'InsertionNoiseModel': InsertionNoiseModel,
'KeyCondition': cirq.KeyCondition,
'KrausChannel': cirq.KrausChannel,
'LinearDict': cirq.LinearDict,
'LineQubit': cirq.LineQubit,
'LineQid': cirq.LineQid,
'LineTopology': cirq.LineTopology,
'Linspace': cirq.Linspace,
'ListSweep': cirq.ListSweep,
'MatrixGate': cirq.MatrixGate,
'MixedUnitaryChannel': cirq.MixedUnitaryChannel,
'MeasurementKey': cirq.MeasurementKey,
'MeasurementGate': cirq.MeasurementGate,
'MeasurementType': cirq.MeasurementType,
'_MeasurementSpec': cirq.work._MeasurementSpec,
'Moment': cirq.Moment,
'MutableDensePauliString': cirq.MutableDensePauliString,
'MutablePauliString': cirq.MutablePauliString,
'_NoNoiseModel': _NoNoiseModel,
'NamedQubit': cirq.NamedQubit,
'NamedQid': cirq.NamedQid,
'NoIdentifierQubit': cirq.testing.NoIdentifierQubit,
'ObservableMeasuredResult': cirq.work.ObservableMeasuredResult,
'OpIdentifier': cirq.OpIdentifier,
'ParamResolver': cirq.ParamResolver,
'ParallelGate': cirq.ParallelGate,
'ParallelGateFamily': cirq.ParallelGateFamily,
'PauliInteractionGate': cirq.PauliInteractionGate,
'PauliMeasurementGate': cirq.PauliMeasurementGate,
'PauliString': cirq.PauliString,
'PauliStringPhasor': cirq.PauliStringPhasor,
'PauliStringPhasorGate': cirq.PauliStringPhasorGate,
'PauliSum': cirq.PauliSum,
'_PauliX': cirq.ops.pauli_gates._PauliX,
'_PauliY': cirq.ops.pauli_gates._PauliY,
'_PauliZ': cirq.ops.pauli_gates._PauliZ,
'PhaseDampingChannel': cirq.PhaseDampingChannel,
'PhaseFlipChannel': cirq.PhaseFlipChannel,
'PhaseGradientGate': cirq.PhaseGradientGate,
'PhasedFSimGate': cirq.PhasedFSimGate,
'PhasedISwapPowGate': cirq.PhasedISwapPowGate,
'PhasedXPowGate': cirq.PhasedXPowGate,
'PhasedXZGate': cirq.PhasedXZGate,
'Points': cirq.Points,
'Product': cirq.Product,
'ProductState': cirq.ProductState,
'ProductOfSums': cirq.ProductOfSums,
'ProjectorString': cirq.ProjectorString,
'ProjectorSum': cirq.ProjectorSum,
'QasmUGate': cirq.circuits.qasm_output.QasmUGate,
'_QubitAsQid': raw_types._QubitAsQid,
'QuantumFourierTransformGate': cirq.QuantumFourierTransformGate,
'QubitPermutationGate': cirq.QubitPermutationGate,
'RandomGateChannel': cirq.RandomGateChannel,
'RepetitionsStoppingCriteria': cirq.work.RepetitionsStoppingCriteria,
'ResetChannel': cirq.ResetChannel,
'Result': cirq.ResultDict, # Keep support for Cirq < 0.14.
'ResultDict': cirq.ResultDict,
'RoutingSwapTag': cirq.RoutingSwapTag,
'Rx': cirq.Rx,
'Ry': cirq.Ry,
'Rz': cirq.Rz,
'SingleQubitCliffordGate': cirq.SingleQubitCliffordGate,
'SingleQubitPauliStringGateOperation': cirq.SingleQubitPauliStringGateOperation,
'SingleQubitReadoutCalibrationResult': cirq.experiments.SingleQubitReadoutCalibrationResult,
'SqrtIswapTargetGateset': cirq.SqrtIswapTargetGateset,
'StabilizerStateChForm': cirq.StabilizerStateChForm,
'StatePreparationChannel': cirq.StatePreparationChannel,
'SumOfProducts': cirq.SumOfProducts,
'SwapPowGate': cirq.SwapPowGate,
'SympyCondition': cirq.SympyCondition,
'TaggedOperation': cirq.TaggedOperation,
'TensoredConfusionMatrices': cirq.TensoredConfusionMatrices,
'TiltedSquareLattice': cirq.TiltedSquareLattice,
'ThreeQubitDiagonalGate': cirq.ThreeQubitDiagonalGate,
'TrialResult': cirq.ResultDict, # keep support for Cirq < 0.11.
'TwoQubitDiagonalGate': cirq.TwoQubitDiagonalGate,
'TwoQubitGateTabulation': cirq.TwoQubitGateTabulation,
'_UnconstrainedDevice': cirq.devices.unconstrained_device._UnconstrainedDevice,
'_Unit': cirq.study.sweeps._Unit,
'VarianceStoppingCriteria': cirq.work.VarianceStoppingCriteria,
'VirtualTag': cirq.VirtualTag,
'WaitGate': cirq.WaitGate,
# The formatter keeps putting this back
# pylint: disable=line-too-long
'XEBPhasedFSimCharacterizationOptions': cirq.experiments.XEBPhasedFSimCharacterizationOptions,
# pylint: enable=line-too-long
'_XEigenState': cirq.value.product_state._XEigenState,
'XPowGate': cirq.XPowGate,
'XXPowGate': cirq.XXPowGate,
'_YEigenState': cirq.value.product_state._YEigenState,
'YPowGate': cirq.YPowGate,
'YYPowGate': cirq.YYPowGate,
'_ZEigenState': cirq.value.product_state._ZEigenState,
'Zip': cirq.Zip,
'ZipLongest': cirq.ZipLongest,
'ZPowGate': cirq.ZPowGate,
'ZZPowGate': cirq.ZZPowGate,
# Old types, only supported for backwards-compatibility
'BooleanHamiltonian': _boolean_hamiltonian_gate_op, # Removed in v0.15
'CrossEntropyResult': _cross_entropy_result, # Removed in v0.16
'CrossEntropyResultDict': _cross_entropy_result_dict, # Removed in v0.16
'IdentityOperation': _identity_operation_from_dict,
'ParallelGateOperation': _parallel_gate_op, # Removed in v0.14
'SingleQubitMatrixGate': single_qubit_matrix_gate,
'SymmetricalQidPair': _symmetricalqidpair, # Removed in v0.15
'TwoQubitMatrixGate': two_qubit_matrix_gate,
'GlobalPhaseOperation': cirq.global_phase_operation, # Removed in v0.16
# not a cirq class, but treated as one:
'pandas.DataFrame': pd.DataFrame,
'pandas.Index': pd.Index,
'pandas.MultiIndex': pd.MultiIndex.from_tuples,
'sympy.Symbol': sympy.Symbol,
'sympy.Add': lambda args: sympy.Add(*args),
'sympy.Mul': lambda args: sympy.Mul(*args),
'sympy.Pow': lambda args: sympy.Pow(*args),
'sympy.GreaterThan': lambda args: sympy.GreaterThan(*args),
'sympy.StrictGreaterThan': lambda args: sympy.StrictGreaterThan(*args),
'sympy.LessThan': lambda args: sympy.LessThan(*args),
'sympy.StrictLessThan': lambda args: sympy.StrictLessThan(*args),
'sympy.Equality': lambda args: sympy.Equality(*args),
'sympy.Unequality': lambda args: sympy.Unequality(*args),
'sympy.Float': lambda approx: sympy.Float(approx),
'sympy.Integer': sympy.Integer,
'sympy.Rational': sympy.Rational,
'sympy.pi': lambda: sympy.pi,
'sympy.E': lambda: sympy.E,
'sympy.EulerGamma': lambda: sympy.EulerGamma,
'complex': complex,
'datetime.datetime': _datetime,
}