69 lines
1.8 KiB
Plaintext
69 lines
1.8 KiB
Plaintext
---
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title: ProviderV1
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description: API reference for qiskit.providers.ProviderV1
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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.ProviderV1
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---
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# ProviderV1
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<Class id="qiskit.providers.ProviderV1" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.20/qiskit/providers/provider.py" signature="ProviderV1" modifiers="class">
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Bases: `qiskit.providers.provider.Provider`, `abc.ABC`
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Base class for a Backend Provider.
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## Methods
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### backends
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<Function id="qiskit.providers.ProviderV1.backends" signature="ProviderV1.backends(name=None, **kwargs)" modifiers="abstract">
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Return a list of backends matching the specified filtering.
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**Parameters**
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* **name** (*str*) – name of the backend.
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* **\*\*kwargs** – dict used for filtering.
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**Returns**
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**a list of Backends that match the filtering**
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criteria.
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**Return type**
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list\[[Backend](qiskit.providers.Backend "qiskit.providers.Backend")]
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</Function>
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### get\_backend
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<Function id="qiskit.providers.ProviderV1.get_backend" signature="ProviderV1.get_backend(name=None, **kwargs)">
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Return a single backend matching the specified filtering.
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**Parameters**
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* **name** (*str*) – name of the backend.
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* **\*\*kwargs** – dict used for filtering.
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**Returns**
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a backend matching the filtering.
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**Return type**
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[Backend](qiskit.providers.Backend "qiskit.providers.Backend")
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**Raises**
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[**QiskitBackendNotFoundError**](qiskit.providers.QiskitBackendNotFoundError "qiskit.providers.QiskitBackendNotFoundError") – if no backend could be found or more than one backend matches the filtering criteria.
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</Function>
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## Attributes
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### version
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<Attribute id="qiskit.providers.ProviderV1.version" attributeValue="1" />
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</Class>
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