mirror of https://github.com/Qiskit/qiskit.git
31 lines
1.1 KiB
YAML
31 lines
1.1 KiB
YAML
---
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features:
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QPY serialization has been upgraded to support :class:`.ScheduleBlock`.
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Now you can save pulse program in binary and load it at later time::
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from qiskit import pulse, qpy
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with pulse.build() as schedule:
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pulse.play(pulse.Gaussian(160, 0.1, 40), pulse.DriveChannel(0))
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with open('schedule.qpy', 'wb') as fd:
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qpy.dump(schedule, fd)
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with open('schedule.qpy', 'rb') as fd:
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new_schedule = qpy.load(fd)[0]
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This uses the QPY interface common to :class:`.QuantumCircuit`.
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See :ref:`qpy_schedule_block` for details of data structure.
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upgrade:
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QPY serialization has been upgraded to serialize :class:`.QuantumCircuit`
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with :attr:`.QuantumCircuit.calibrations`. As of QPY Version 5, only calibration
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entries of :class:`.ScheduleBlock` type can be serialized.
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deprecations:
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The ``circuits`` argument of :func:`.qpy.dump` has been deprecated and
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replaced with ``programs`` since now QPY supports multiple data types other than circuits.
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:meth:`.AlignmentKind.to_dict` method has been deprecated and will be removed.
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