# Copyright (C) 2024 qBraid
#
# This file is part of the qBraid-SDK
#
# The qBraid-SDK is free software released under the GNU General Public License v3
# or later. You can redistribute and/or modify it under the terms of the GPL v3.
# See the LICENSE file in the project root or <https://www.gnu.org/licenses/gpl-3.0.html>.
#
# THERE IS NO WARRANTY for the qBraid-SDK, as per Section 15 of the GPL v3.
"""
Module for converting Braket circuits to OpenQASM 3.0
"""
from braket.circuits import Circuit
from braket.circuits.serialization import IRType
from qbraid.passes.qasm import remove_measurements
from qbraid.transpiler.annotations import weight
[docs]
@weight(1)
def braket_to_qasm3(circuit: Circuit) -> str:
"""Converts a ``braket.circuits.Circuit`` to an OpenQASM 3.0 string.
Args:
circuit: Amazon Braket quantum circuit
Returns:
The OpenQASM 3.0 string equivalent to the circuit
Raises:
ProgramConversionError: If braket to qasm conversion fails
"""
has_measurements = any(str(instr.operator) == "Measure" for instr in circuit.instructions)
qasm_program = circuit.to_ir(IRType.OPENQASM).source
if not has_measurements:
qasm_program = remove_measurements(qasm_program)
return qasm_program