65 lines
2.9 KiB
Plaintext
65 lines
2.9 KiB
Plaintext
---
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title: BackendConfiguration (v1.2)
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description: API reference for qiskit.providers.models.BackendConfiguration in qiskit v1.2
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in_page_toc_min_heading_level: 1
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python_api_type: class
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python_api_name: qiskit.providers.models.BackendConfiguration
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---
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# BackendConfiguration
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<Class id="qiskit.providers.models.BackendConfiguration" isDedicatedPage={true} github="https://github.com/Qiskit/qiskit/tree/stable/1.2/qiskit/providers/models/backendconfiguration.py#L520-L533" signature="qiskit.providers.models.BackendConfiguration(*args, **kwargs)" modifiers="class">
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Bases: [`QasmBackendConfiguration`](qiskit.providers.models.QasmBackendConfiguration "qiskit.providers.models.backendconfiguration.QasmBackendConfiguration")
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Backwards compatibility shim representing an abstract backend configuration.
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<Admonition title="Deprecated since version 1.2" type="danger">
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The class `qiskit.providers.models.backendconfiguration.BackendConfiguration` is deprecated as of qiskit 1.2. It will be removed in the 2.0 release. The models in `qiskit.providers.models` are part of the deprecated BackendV1 workflow and no longer necessary for BackendV2. If a user workflow requires these representations it likely relies on deprecated functionality and should be updated to use BackendV2.
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</Admonition>
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## Attributes
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### num\_qubits
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<Attribute id="qiskit.providers.models.BackendConfiguration.num_qubits">
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Returns the number of qubits.
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In future, n\_qubits should be replaced in favor of num\_qubits for consistent use throughout Qiskit. Until this is properly refactored, this property serves as intermediate solution.
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</Attribute>
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## Methods
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### from\_dict
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<Function id="qiskit.providers.models.BackendConfiguration.from_dict" github="https://github.com/Qiskit/qiskit/tree/stable/1.2/qiskit/providers/models/backendconfiguration.py#L413-L427" signature="from_dict(data)" modifiers="classmethod">
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Create a new GateConfig object from a dictionary.
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**Parameters**
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**data** ([*dict*](https://docs.python.org/3/library/stdtypes.html#dict "(in Python v3.13)")) – A dictionary representing the GateConfig to create. It will be in the same format as output by [`to_dict()`](#qiskit.providers.models.BackendConfiguration.to_dict "qiskit.providers.models.BackendConfiguration.to_dict").
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**Returns**
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The GateConfig from the input dictionary.
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**Return type**
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[GateConfig](qiskit.providers.models.GateConfig "qiskit.providers.models.GateConfig")
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</Function>
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### to\_dict
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<Function id="qiskit.providers.models.BackendConfiguration.to_dict" github="https://github.com/Qiskit/qiskit/tree/stable/1.2/qiskit/providers/models/backendconfiguration.py#L429-L498" signature="to_dict()">
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Return a dictionary format representation of the GateConfig.
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**Returns**
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The dictionary form of the GateConfig.
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**Return type**
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[dict](https://docs.python.org/3/library/stdtypes.html#dict "(in Python v3.13)")
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</Function>
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</Class>
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