35 lines
1.4 KiB
Plaintext
35 lines
1.4 KiB
Plaintext
---
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title: disassemble
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description: API reference for qiskit.assembler.disassemble
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in_page_toc_min_heading_level: 1
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python_api_type: function
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python_api_name: qiskit.assembler.disassemble
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---
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# qiskit.assembler.disassemble
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<Function id="qiskit.assembler.disassemble" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.19/qiskit/assembler/disassemble.py" signature="disassemble(qobj)">
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Disassemble a qobj and return the circuits or pulse schedules, run\_config, and user header.
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<Admonition title="Note" type="note">
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`disassemble(assemble(qc))` is not guaranteed to produce an exactly equal circuit to the input, due to limitations in the [`QasmQobj`](qiskit.qobj.QasmQobj "qiskit.qobj.QasmQobj") format that need to be maintained for backend system compatibility. This is most likely to be the case when using newer features of [`QuantumCircuit`](qiskit.circuit.QuantumCircuit "qiskit.circuit.QuantumCircuit"). In most cases, the output should be equivalent, if not quite equal.
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</Admonition>
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**Parameters**
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**qobj** ([*Qobj*](qiskit.qobj.Qobj "qiskit.qobj.Qobj")) – The input qobj object to disassemble
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**Returns**
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The disassembled program which consists of:
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> * programs: A list of quantum circuits or pulse schedules
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> * run\_config: The dict of the run config
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> * user\_qobj\_header: The dict of any user headers in the qobj
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**Return type**
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Union\[CircuitModule, PulseModule]
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</Function>
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