def parse_result(self,
result: CalibrationResult) -> PhasedFSimCalibrationResult:
decoded: Dict[int, Dict[str,
Any]] = collections.defaultdict(lambda: {})
for keys, values in result.metrics['angles'].items():
for key, value in zip(keys, values):
match = re.match(r'(\d+)_(.+)', str(key))
if not match:
raise ValueError(f'Unknown metric name {key}')
index = int(match[1])
name = match[2]
decoded[index][name] = value
parsed = {}
for data in decoded.values():
a = v2.qubit_from_proto_id(data['qubit_a'])
b = v2.qubit_from_proto_id(data['qubit_b'])
parsed[(a, b)] = PhasedFSimCharacterization(
theta=data.get('theta_est', None),
zeta=data.get('zeta_est', None),
chi=data.get('chi_est', None),
gamma=data.get('gamma_est', None),
phi=data.get('phi_est', None),
)
return PhasedFSimCalibrationResult(parameters=parsed,
gate=self.gate,
options=self.options)
def from_proto(
self,
proto: v2.program_pb2.Operation,
*,
arg_function_language: str = '',
constants: List[v2.program_pb2.Constant] = None,
) -> 'cirq.Operation':
"""Turns a cirq.google.api.v2.Operation proto into a GateOperation."""
qubits = [v2.qubit_from_proto_id(q.id) for q in proto.qubits]
args = self._args_from_proto(
proto, arg_function_language=arg_function_language)
if self.num_qubits_param is not None:
args[self.num_qubits_param] = len(qubits)
gate = self.gate_constructor(**args)
op = self.op_wrapper(gate.on(*qubits), proto)
if self.deserialize_tokens:
which = proto.WhichOneof('token')
if which == 'token_constant_index':
if not constants:
raise ValueError('Proto has references to constants table '
'but none was passed in, value ='
f'{proto}')
op = op.with_tags(
CalibrationTag(
constants[proto.token_constant_index].string_value))
elif which == 'token_value':
op = op.with_tags(CalibrationTag(proto.token_value))
return op
def _optional_control_promote(gate, qubits_message, values_message):
"""Optionally promote to controlled gate based on serialized control msg."""
if qubits_message == '' and values_message == '':
return gate
qbs = [v2.qubit_from_proto_id(qb) for qb in qubits_message.split(',')]
vals = [int(cv) for cv in values_message.split(',')]
return DelayedAssignmentGate(gate, qbs, vals)
def from_proto(self,
proto: v2.program_pb2.Operation,
*,
arg_function_language: str = '') -> 'cirq.Operation':
"""Turns a cirq.google.api.v2.Operation proto into a GateOperation."""
qubits = [v2.qubit_from_proto_id(q.id) for q in proto.qubits]
args = self._args_from_proto(
proto, arg_function_language=arg_function_language)
if self.num_qubits_param is not None:
args[self.num_qubits_param] = len(qubits)
gate = self.gate_constructor(**args)
return self.op_wrapper(gate.on(*qubits), proto)
def test_generic_qubit_from_proto_id():
assert v2.qubit_from_proto_id('1_2') == cirq.GridQubit(1, 2)
assert v2.qubit_from_proto_id('1') == cirq.LineQubit(1)
assert v2.qubit_from_proto_id('a') == cirq.NamedQubit('a')
# Despite the fact that int(1_2_3) = 123, only pure numbers are parsed into
# LineQubits.
assert v2.qubit_from_proto_id('1_2_3') == cirq.NamedQubit('1_2_3')
# All non-int-parseable names are converted to NamedQubits.
assert v2.qubit_from_proto_id('a') == cirq.NamedQubit('a')
assert v2.qubit_from_proto_id('1_b') == cirq.NamedQubit('1_b')