# 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 containing functions to convert from pyQuil's circuit
representation (Quil programs) to Cirq's circuit representation.
"""
from __future__ import annotations
from typing import TYPE_CHECKING
from qbraid.transpiler.annotations import weight
from qbraid.transpiler.exceptions import ProgramConversionError
from .cirq_quil_input import circuit_from_quil
if TYPE_CHECKING:
import cirq.circuits
import pyquil.quil
[docs]
@weight(1)
def pyquil_to_cirq(program: pyquil.quil.Program) -> cirq.circuits.Circuit:
"""Returns a Cirq circuit equivalent to the input pyQuil Program.
Args:
program: PyQuil Program to convert to a Cirq circuit.
Returns:
Cirq circuit representation equivalent to the input pyQuil Program.
"""
try:
return circuit_from_quil(program.out())
except Exception as err:
raise ProgramConversionError(
"qBraid transpiler doesn't yet support pyQuil noise gates."
) from err