def setUp(self) -> None:
"""Setup."""
super().setUp()
self.qubit = list(qiskit.QuantumRegister(1))[0]
self.u1 = types.ScheduledGate(t0=100,
operand=library.U1Gate(0),
duration=0,
bits=[self.qubit],
bit_position=0)
self.u3 = types.ScheduledGate(t0=100,
operand=library.U3Gate(0, 0, 0),
duration=20,
bits=[self.qubit],
bit_position=0)
self.delay = types.ScheduledGate(t0=100,
operand=Delay(20),
duration=20,
bits=[self.qubit],
bit_position=0)
style = stylesheet.QiskitTimelineStyle()
self.formatter = style.formatter
def setUp(self) -> None:
"""Setup."""
super().setUp()
self.qubits = list(qiskit.QuantumRegister(2))
self.clbits = list(qiskit.ClassicalRegister(2))
self.instructions = [
types.ScheduledGate(t0=0, operand=library.U1Gate(0),
duration=0, bits=[self.qubits[0]], bit_position=0),
types.ScheduledGate(t0=0, operand=library.U2Gate(0, 0),
duration=10, bits=[self.qubits[0]], bit_position=0),
types.ScheduledGate(t0=10, operand=library.CXGate(),
duration=50, bits=[self.qubits[0], self.qubits[1]],
bit_position=0),
types.ScheduledGate(t0=100, operand=library.U3Gate(0, 0, 0),
duration=20, bits=[self.qubits[0]], bit_position=0),
types.ScheduledGate(t0=120, operand=library.Barrier(2),
duration=0, bits=[self.qubits[0], self.qubits[1]],
bit_position=0),
types.ScheduledGate(t0=120, operand=library.CXGate(),
duration=50, bits=[self.qubits[1], self.qubits[0]],
bit_position=1),
types.ScheduledGate(t0=200, operand=library.Barrier(1),
duration=0, bits=[self.qubits[0]], bit_position=0),
types.ScheduledGate(t0=200, operand=library.Measure(),
duration=100, bits=[self.qubits[0], self.clbits[0]],
bit_position=0),
]
def load_program(cls, scheduled_circuit: circuit.QuantumCircuit,
bit: types.Bits):
"""Build new BitEvents from scheduled circuit.
Args:
scheduled_circuit: Scheduled circuit object to draw.
bit: Target bit object.
Returns:
BitEvents: New `BitEvents` object.
Raises:
VisualizationError: When the circuit is not transpiled with duration.
"""
t0 = 0
tf = scheduled_circuit.qubit_stop_time(bit)
instructions = []
for inst, qargs, cargs in scheduled_circuit.data:
associated_bits = qargs + cargs
if bit not in associated_bits:
continue
duration = inst.duration
if duration is None:
raise VisualizationError(
"Instruction {oper} has no duration. "
"You need to transpile the QuantumCircuit with "
"gate durations before drawing.".format(oper=inst))
instructions.append(
types.ScheduledGate(
t0=t0,
operand=inst,
duration=duration,
bits=associated_bits,
bit_position=associated_bits.index(bit),
))
t0 += duration
return BitEvents(bit, instructions, tf)
def test_gate_output(self):
"""Test gate output."""
bit_event = events.BitEvents(self.qubits[0], self.instructions, 300)
gates = list(bit_event.get_gates())
ref_list = [
types.ScheduledGate(
t0=0, operand=library.U1Gate(0), duration=0, bits=[self.qubits[0]], bit_position=0
),
types.ScheduledGate(
t0=0,
operand=library.U2Gate(0, 0),
duration=10,
bits=[self.qubits[0]],
bit_position=0,
),
types.ScheduledGate(
t0=10,
operand=library.CXGate(),
duration=50,
bits=[self.qubits[0], self.qubits[1]],
bit_position=0,
),
types.ScheduledGate(
t0=100,
operand=library.U3Gate(0, 0, 0),
duration=20,
bits=[self.qubits[0]],
bit_position=0,
),
types.ScheduledGate(
t0=120,
operand=library.CXGate(),
duration=50,
bits=[self.qubits[1], self.qubits[0]],
bit_position=1,
),
types.ScheduledGate(
t0=200,
operand=library.Measure(),
duration=100,
bits=[self.qubits[0], self.clbits[0]],
bit_position=0,
),
]
self.assertListEqual(gates, ref_list)
def load_program(cls,
scheduled_circuit: circuit.QuantumCircuit,
bit: types.Bits):
"""Build new BitEvents from scheduled circuit.
Args:
scheduled_circuit: Scheduled circuit object to draw.
bit: Target bit object.
Returns:
BitEvents: New `BitEvents` object.
Raises:
VisualizationError: When the circuit is not transpiled with duration.
"""
dag = circuit_to_dag(scheduled_circuit)
nodes = list(dag.topological_op_nodes())
t0 = 0
instructions = []
for node in nodes:
associated_bits = node.qargs + node.cargs
if bit not in associated_bits:
continue
duration = node.op.duration
if duration is None:
raise VisualizationError('Instruction {oper} has no duration. '
'You need to transpile the QuantumCircuit with '
'gate durations before drawing.'.format(oper=node.op))
instructions.append(types.ScheduledGate(t0=t0,
operand=node.op,
duration=duration,
bits=associated_bits,
bit_position=associated_bits.index(bit)))
t0 += duration
return BitEvents(bit, instructions)
def load_program(self, program: circuit.QuantumCircuit):
"""Load quantum circuit and create drawing..
Args:
program: Scheduled circuit object to draw.
Raises:
VisualizationError: When circuit is not scheduled.
"""
not_gate_like = (circuit.Barrier, )
if getattr(program, "_op_start_times") is None:
# Run scheduling for backward compatibility
from qiskit import transpile
from qiskit.transpiler import InstructionDurations, TranspilerError
warnings.warn(
"Visualizing un-scheduled circuit with timeline drawer has been deprecated. "
"This circuit should be transpiled with scheduler though it consists of "
"instructions with explicit durations.",
DeprecationWarning,
)
try:
program = transpile(
program,
scheduling_method="alap",
instruction_durations=InstructionDurations())
except TranspilerError as ex:
raise VisualizationError(
f"Input circuit {program.name} is not scheduled and it contains "
"operations with unknown delays. This cannot be visualized."
) from ex
for t0, instruction in zip(program.op_start_times, program.data):
bits = list(instruction.qubits) + list(instruction.clbits)
for bit_pos, bit in enumerate(bits):
if not isinstance(instruction.operation, not_gate_like):
# Generate draw object for gates
gate_source = types.ScheduledGate(
t0=t0,
operand=instruction.operation,
duration=instruction.operation.duration,
bits=bits,
bit_position=bit_pos,
)
for gen in self.generator["gates"]:
obj_generator = partial(gen, formatter=self.formatter)
for datum in obj_generator(gate_source):
self.add_data(datum)
if len(bits) > 1 and bit_pos == 0:
# Generate draw object for gate-gate link
line_pos = t0 + 0.5 * instruction.operation.duration
link_source = types.GateLink(
t0=line_pos,
opname=instruction.operation.name,
bits=bits)
for gen in self.generator["gate_links"]:
obj_generator = partial(gen,
formatter=self.formatter)
for datum in obj_generator(link_source):
self.add_data(datum)
if isinstance(instruction.operation, circuit.Barrier):
# Generate draw object for barrier
barrier_source = types.Barrier(t0=t0,
bits=bits,
bit_position=bit_pos)
for gen in self.generator["barriers"]:
obj_generator = partial(gen, formatter=self.formatter)
for datum in obj_generator(barrier_source):
self.add_data(datum)
self.bits = list(program.qubits) + list(program.clbits)
for bit in self.bits:
for gen in self.generator["bits"]:
# Generate draw objects for bit
obj_generator = partial(gen, formatter=self.formatter)
for datum in obj_generator(bit):
self.add_data(datum)
# update time range
t_end = max(program.duration,
self.formatter["margin.minimum_duration"])
self.set_time_range(t_start=0, t_end=t_end)
