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# This code is part of Qiskit.
#
# (C) Copyright IBM 2017.
#
# 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 DAGCircuit object.
"""
from qiskit.exceptions import QiskitError
class DAGCircuitError(QiskitError):
"""Base class for errors raised by the DAGCircuit object."""
def __init__(self, *msg):
"""Set the error message."""
super().__init__(*msg)
self.msg = " ".join(msg)
def __str__(self):
"""Return the message."""
return repr(self.msg)
class DAGDependencyError(QiskitError):
"""Base class for errors raised by the DAGDependency object."""
def __init__(self, *msg):
"""Set the error message."""
super().__init__(*msg)
self.msg = " ".join(msg)
def __str__(self):
"""Return the message."""
return repr(self.msg)
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