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Drop support for backendV2 in from_backend and _to_schedule_list #249

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merged 10 commits into from
Aug 2, 2023
Merged

Drop support for backendV2 in from_backend and _to_schedule_list #249

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cb0f3fd
deprecate backendV2 type hints
to24toro Jul 21, 2023
bf2cdc5
restore the type hint in _to_schedule_list
to24toro Jul 24, 2023
b440c75
Merge branch 'main' into feature/change_type_hint_of_backend
DanPuzzuoli Jul 24, 2023
c0a0737
add doc string in from_backend
to24toro Aug 1, 2023
8340ee5
Merge remote-tracking branch 'origin/feature/change_type_hint_of_back…
to24toro Aug 1, 2023
3bc5535
Update qiskit_dynamics/backend/dynamics_backend.py
to24toro Aug 2, 2023
675bea5
Merge branch 'main' into feature/change_type_hint_of_backend
DanPuzzuoli Aug 2, 2023
057b72c
max line length
DanPuzzuoli Aug 2, 2023
1b3ddbc
formatting
DanPuzzuoli Aug 2, 2023
702949c
final format
DanPuzzuoli Aug 2, 2023
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5 changes: 4 additions & 1 deletion qiskit_dynamics/backend/dynamics_backend.py
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Original file line number Diff line number Diff line change
Expand Up @@ -537,7 +537,7 @@ def defaults(self) -> PulseDefaults:
@classmethod
def from_backend(
cls,
backend: Union[BackendV1, BackendV2],
backend: BackendV1,
subsystem_list: Optional[List[int]] = None,
rotating_frame: Optional[Union[Array, RotatingFrame, str]] = "auto",
evaluation_mode: str = "dense",
Expand Down Expand Up @@ -609,6 +609,9 @@ def from_backend(

Args:
backend: The ``Backend`` instance to build the :class:`.DynamicsBackend` from.
Note that even if the `Backend` is :class:`~qiskit.providers.backend.BackendV2`,
only :class:`~qiskit.providers.backend.BackendV2` with ``configuration`` and
``defaults`` can be used.
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subsystem_list: The list of qubits in the backend to include in the model.
rotating_frame: Rotating frame argument for the internal :class:`.Solver`. Defaults to
``"auto"``, allowing this method to pick a rotating frame.
Expand Down