qiskit.assembler.disassemble のソースコード
# This code is part of Qiskit.
#
# (C) Copyright IBM 2017, 2019.
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.
"""Disassemble function for a qobj into a list of circuits and its config"""
from typing import Any, Dict, List, NewType, Tuple, Union
import collections
from qiskit import pulse
from qiskit.circuit.classicalregister import ClassicalRegister
from qiskit.circuit.instruction import Instruction
from qiskit.circuit.quantumcircuit import QuantumCircuit
from qiskit.circuit.quantumregister import QuantumRegister
from qiskit.pulse.schedule import ParameterizedSchedule
from qiskit.qobj.converters import QobjToInstructionConverter
# A ``CircuitModule`` is a representation of a circuit execution on the backend.
# It is currently a list of quantum circuits to execute, a run Qobj dictionary
# and a header dictionary.
CircuitModule = NewType(
'CircuitModule',
Tuple[
List[QuantumCircuit],
Dict[str, Any],
Dict[str, Any]
]
)
# A ``PulseModule`` is a representation of a pulse execution on the backend.
# It is currently a list of pulse schedules to execute, a run Qobj dictionary
# and a header dictionary.
PulseModule = NewType(
'PulseModule',
Tuple[
List[pulse.Schedule],
Dict[str, Any],
Dict[str, Any]
]
)
[ドキュメント]def disassemble(qobj) -> Union[CircuitModule, PulseModule]:
"""Disassemble a qobj and return the circuits or pulse schedules, run_config, and user header.
Args:
qobj (Qobj): The input qobj object to disassemble
Returns:
Union[CircuitModule, PulseModule]: The disassembled program which consists of:
* programs: A list of quantum circuits or pulse schedules
* run_config: The dict of the run config
* user_qobj_header: The dict of any user headers in the qobj
"""
if qobj.type == 'PULSE':
return _disassemble_pulse_schedule(qobj)
else:
return _disassemble_circuit(qobj)
def _disassemble_circuit(qobj) -> CircuitModule:
run_config = qobj.config.to_dict()
user_qobj_header = qobj.header.to_dict()
return CircuitModule((_experiments_to_circuits(qobj), run_config, user_qobj_header))
def _experiments_to_circuits(qobj):
"""Return a list of QuantumCircuit object(s) from a qobj.
Args:
qobj (Qobj): The Qobj object to convert to QuantumCircuits
Returns:
list: A list of QuantumCircuit objects from the qobj
"""
if qobj.experiments:
circuits = []
for x in qobj.experiments:
quantum_registers = [QuantumRegister(i[1], name=i[0])
for i in x.header.qreg_sizes]
classical_registers = [ClassicalRegister(i[1], name=i[0])
for i in x.header.creg_sizes]
circuit = QuantumCircuit(*quantum_registers,
*classical_registers,
name=x.header.name)
qreg_dict = collections.OrderedDict()
creg_dict = collections.OrderedDict()
for reg in quantum_registers:
qreg_dict[reg.name] = reg
for reg in classical_registers:
creg_dict[reg.name] = reg
conditional = {}
for i in x.instructions:
name = i.name
qubits = []
params = getattr(i, 'params', [])
try:
for qubit in i.qubits:
qubit_label = x.header.qubit_labels[qubit]
qubits.append(
qreg_dict[qubit_label[0]][qubit_label[1]])
except Exception: # pylint: disable=broad-except
pass
clbits = []
try:
for clbit in i.memory:
clbit_label = x.header.clbit_labels[clbit]
clbits.append(
creg_dict[clbit_label[0]][clbit_label[1]])
except Exception: # pylint: disable=broad-except
pass
if hasattr(circuit, name):
instr_method = getattr(circuit, name)
if i.name in ['snapshot']:
_inst = instr_method(
i.label,
snapshot_type=i.snapshot_type,
qubits=qubits,
params=params)
elif i.name == 'initialize':
_inst = instr_method(params, qubits)
elif i.name == 'isometry':
_inst = instr_method(*params, qubits, clbits)
else:
_inst = instr_method(*params, *qubits, *clbits)
elif name == 'bfunc':
conditional['value'] = int(i.val, 16)
full_bit_size = sum([creg_dict[x].size for x in creg_dict])
mask_map = {}
raw_map = {}
raw = []
for creg in creg_dict:
size = creg_dict[creg].size
reg_raw = [1] * size
if not raw:
raw = reg_raw
else:
for pos, val in enumerate(raw):
if val == 1:
raw[pos] = 0
raw = reg_raw + raw
mask = [0] * (full_bit_size - len(raw)) + raw
raw_map[creg] = mask
mask_map[int("".join(str(x) for x in mask), 2)] = creg
creg = mask_map[int(i.mask, 16)]
conditional['register'] = creg_dict[creg]
val = int(i.val, 16)
mask = raw_map[creg]
for j in reversed(mask):
if j == 0:
val = val >> 1
else:
conditional['value'] = val
break
else:
_inst = temp_opaque_instruction = Instruction(
name=name, num_qubits=len(qubits),
num_clbits=len(clbits), params=params)
circuit.append(temp_opaque_instruction, qubits, clbits)
if conditional and name != 'bfunc':
_inst.c_if(conditional['register'], conditional['value'])
conditional = {}
circuits.append(circuit)
return circuits
return None
def _disassemble_pulse_schedule(qobj) -> PulseModule:
run_config = qobj.config.to_dict()
run_config.pop('pulse_library')
qubit_lo_freq = run_config.get('qubit_lo_freq')
if qubit_lo_freq:
run_config['qubit_lo_freq'] = [freq*1e9 for freq in qubit_lo_freq]
meas_lo_freq = run_config.get('meas_lo_freq')
if meas_lo_freq:
run_config['meas_lo_freq'] = [freq*1e9 for freq in meas_lo_freq]
user_qobj_header = qobj.header.to_dict()
# extract schedule lo settings
schedule_los = []
for program in qobj.experiments:
program_los = {}
if hasattr(program, 'config'):
if hasattr(program.config, 'qubit_lo_freq'):
for i, lo in enumerate(program.config.qubit_lo_freq):
program_los[pulse.DriveChannel(i)] = lo*1e9
if hasattr(program.config, 'meas_lo_freq'):
for i, lo in enumerate(program.config.meas_lo_freq):
program_los[pulse.MeasureChannel(i)] = lo*1e9
schedule_los.append(program_los)
if any(schedule_los):
run_config['schedule_los'] = schedule_los
return PulseModule((_experiments_to_schedules(qobj), run_config, user_qobj_header))
def _experiments_to_schedules(qobj) -> List[pulse.Schedule]:
"""Return a list of :class:`qiskit.pulse.Schedule` object(s) from a qobj.
Args:
qobj (Qobj): The Qobj object to convert to pulse schedules.
Returns:
A list of :class:`qiskit.pulse.Schedule` objects from the qobj
Raises:
pulse.PulseError: If a parameterized instruction is supplied.
"""
converter = QobjToInstructionConverter(qobj.config.pulse_library)
schedules = []
for program in qobj.experiments:
insts = []
for inst in program.instructions:
pulse_inst = converter(inst)
if isinstance(pulse_inst, ParameterizedSchedule):
raise pulse.PulseError('Parameterized instructions are not '
'yet supported in the pulse schedule.')
insts.append(pulse_inst)
schedule = pulse.Schedule(*insts)
schedules.append(schedule)
return schedules