/
exceptions.py
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/
exceptions.py
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# 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.
"""Exception for errors raised by the pulse module."""
from qiskit.exceptions import QiskitError
class PulseError(QiskitError):
"""Errors raised by the pulse module."""
def __init__(self, *message):
"""Set the error message."""
super().__init__(*message)
self.message = " ".join(message)
def __str__(self):
"""Return the message."""
return repr(self.message)
class BackendNotSet(PulseError):
"""Raised if the builder context does not have a backend."""
class NoActiveBuilder(PulseError):
"""Raised if no builder context is active."""
class UnassignedDurationError(PulseError):
"""Raised if instruction duration is unassigned."""
class UnassignedReferenceError(PulseError):
"""Raised if subroutine is unassigned."""