diff --git a/qiskit/circuit/library/evolved_operator_ansatz.py b/qiskit/circuit/library/evolved_operator_ansatz.py index 5bde9c505698..5dd1914543b8 100644 --- a/qiskit/circuit/library/evolved_operator_ansatz.py +++ b/qiskit/circuit/library/evolved_operator_ansatz.py @@ -14,7 +14,6 @@ from __future__ import annotations from collections.abc import Sequence -from typing import Optional import numpy as np @@ -41,7 +40,7 @@ def __init__( name: str = "EvolvedOps", parameter_prefix: str | Sequence[str] = "t", initial_state: QuantumCircuit | None = None, - flatten: Optional[bool] = None, + flatten: bool | None = None, ): """ Args: diff --git a/qiskit/circuit/library/n_local/efficient_su2.py b/qiskit/circuit/library/n_local/efficient_su2.py index be7b346af862..50ac4626048f 100644 --- a/qiskit/circuit/library/n_local/efficient_su2.py +++ b/qiskit/circuit/library/n_local/efficient_su2.py @@ -12,13 +12,19 @@ """The EfficientSU2 2-local circuit.""" -from typing import Union, Optional, List, Tuple, Callable, Any +from __future__ import annotations +import typing +from collections.abc import Callable + from numpy import pi -from qiskit.circuit import QuantumCircuit, Instruction +from qiskit.circuit import QuantumCircuit from qiskit.circuit.library.standard_gates import RYGate, RZGate, CXGate from .two_local import TwoLocal +if typing.TYPE_CHECKING: + import qiskit # pylint: disable=cyclic-import + class EfficientSU2(TwoLocal): r"""The hardware efficient SU(2) 2-local circuit. @@ -76,28 +82,24 @@ class EfficientSU2(TwoLocal): def __init__( self, - num_qubits: Optional[int] = None, - su2_gates: Optional[ - Union[ - str, - type, - Instruction, - QuantumCircuit, - List[Union[str, type, Instruction, QuantumCircuit]], - ] - ] = None, - entanglement: Union[str, List[List[int]], Callable[[int], List[int]]] = "reverse_linear", + num_qubits: int | None = None, + su2_gates: str + | type + | qiskit.circuit.Instruction + | QuantumCircuit + | list[str | type | qiskit.circuit.Instruction | QuantumCircuit] + | None = None, + entanglement: str | list[list[int]] | Callable[[int], list[int]] = "reverse_linear", reps: int = 3, skip_unentangled_qubits: bool = False, skip_final_rotation_layer: bool = False, parameter_prefix: str = "θ", insert_barriers: bool = False, - initial_state: Optional[Any] = None, + initial_state: QuantumCircuit | None = None, name: str = "EfficientSU2", - flatten: Optional[bool] = None, + flatten: bool | None = None, ) -> None: - """Create a new EfficientSU2 2-local circuit. - + """ Args: num_qubits: The number of qubits of the EfficientSU2 circuit. reps: Specifies how often the structure of a rotation layer followed by an entanglement @@ -151,7 +153,7 @@ def __init__( ) @property - def parameter_bounds(self) -> List[Tuple[float, float]]: + def parameter_bounds(self) -> list[tuple[float, float]]: """Return the parameter bounds. Returns: diff --git a/qiskit/circuit/library/n_local/excitation_preserving.py b/qiskit/circuit/library/n_local/excitation_preserving.py index 3fc2b28bfb2a..7b01f825ecdb 100644 --- a/qiskit/circuit/library/n_local/excitation_preserving.py +++ b/qiskit/circuit/library/n_local/excitation_preserving.py @@ -12,7 +12,8 @@ """The ExcitationPreserving 2-local circuit.""" -from typing import Union, Optional, List, Tuple, Callable, Any +from __future__ import annotations +from collections.abc import Callable from numpy import pi from qiskit.circuit import QuantumCircuit, Parameter @@ -90,20 +91,19 @@ class ExcitationPreserving(TwoLocal): def __init__( self, - num_qubits: Optional[int] = None, + num_qubits: int | None = None, mode: str = "iswap", - entanglement: Union[str, List[List[int]], Callable[[int], List[int]]] = "full", + entanglement: str | list[list[int]] | Callable[[int], list[int]] = "full", reps: int = 3, skip_unentangled_qubits: bool = False, skip_final_rotation_layer: bool = False, parameter_prefix: str = "θ", insert_barriers: bool = False, - initial_state: Optional[Any] = None, + initial_state: QuantumCircuit | None = None, name: str = "ExcitationPreserving", - flatten: Optional[bool] = None, + flatten: bool | None = None, ) -> None: - """Create a new ExcitationPreserving 2-local circuit. - + """ Args: num_qubits: The number of qubits of the ExcitationPreserving circuit. mode: Choose the entangler mode, can be `'iswap'` or `'fsim'`. @@ -167,7 +167,7 @@ def __init__( ) @property - def parameter_bounds(self) -> List[Tuple[float, float]]: + def parameter_bounds(self) -> list[tuple[float, float]]: """Return the parameter bounds. Returns: diff --git a/qiskit/circuit/library/n_local/n_local.py b/qiskit/circuit/library/n_local/n_local.py index d3d601a406f7..aca3ea65bb3b 100644 --- a/qiskit/circuit/library/n_local/n_local.py +++ b/qiskit/circuit/library/n_local/n_local.py @@ -13,9 +13,9 @@ """The n-local circuit class.""" from __future__ import annotations - import typing -from typing import Union, Optional, Any, Sequence, Callable, Mapping +from collections.abc import Callable, Mapping, Sequence + from itertools import combinations import numpy @@ -90,10 +90,9 @@ def __init__( skip_unentangled_qubits: bool = False, initial_state: QuantumCircuit | None = None, name: str | None = "nlocal", - flatten: Optional[bool] = None, + flatten: bool | None = None, ) -> None: - """Create a new n-local circuit. - + """ Args: num_qubits: The number of qubits of the circuit. rotation_blocks: The blocks used in the rotation layers. If multiple are passed, @@ -123,9 +122,6 @@ def __init__( to set this flag to ``True`` to avoid a large performance overhead for parameter binding. - Examples: - TODO - Raises: ValueError: If ``reps`` parameter is less than or equal to 0. TypeError: If ``reps`` parameter is not an int value. @@ -207,7 +203,7 @@ def flatten(self, flatten: bool) -> None: self._invalidate() self._flatten = flatten - def _convert_to_block(self, layer: Any) -> QuantumCircuit: + def _convert_to_block(self, layer: typing.Any) -> QuantumCircuit: """Try to convert ``layer`` to a QuantumCircuit. Args: @@ -289,17 +285,9 @@ def entanglement_blocks( @property def entanglement( self, - ) -> Union[ - str, - list[str], - list[list[str]], - list[int], - list[list[int]], - list[list[list[int]]], - list[list[list[list[int]]]], - Callable[[int], str], - Callable[[int], list[list[int]]], - ]: + ) -> str | list[str] | list[list[str]] | list[int] | list[list[int]] | list[ + list[list[int]] + ] | list[list[list[list[int]]]] | Callable[[int], str] | Callable[[int], list[list[int]]]: """Get the entanglement strategy. Returns: @@ -311,19 +299,16 @@ def entanglement( @entanglement.setter def entanglement( self, - entanglement: Optional[ - Union[ - str, - list[str], - list[list[str]], - list[int], - list[list[int]], - list[list[list[int]]], - list[list[list[list[int]]]], - Callable[[int], str], - Callable[[int], list[list[int]]], - ] - ], + entanglement: str + | list[str] + | list[list[str]] + | list[int] + | list[list[int]] + | list[list[list[int]]] + | list[list[list[list[int]]]] + | Callable[[int], str] + | Callable[[int], list[list[int]]] + | None, ) -> None: """Set the entanglement strategy. @@ -730,7 +715,7 @@ def parameter_bounds(self, bounds: list[tuple[float, float]]) -> None: def add_layer( self, - other: Union["NLocal", qiskit.circuit.Instruction, QuantumCircuit], + other: QuantumCircuit | qiskit.circuit.Instruction, entanglement: list[int] | str | list[list[int]] | None = None, front: bool = False, ) -> "NLocal": diff --git a/qiskit/circuit/library/n_local/qaoa_ansatz.py b/qiskit/circuit/library/n_local/qaoa_ansatz.py index 8161a1d9c8b4..b05507ea5068 100644 --- a/qiskit/circuit/library/n_local/qaoa_ansatz.py +++ b/qiskit/circuit/library/n_local/qaoa_ansatz.py @@ -14,7 +14,6 @@ # pylint: disable=cyclic-import from __future__ import annotations -from typing import Optional import numpy as np @@ -41,7 +40,7 @@ def __init__( initial_state: QuantumCircuit | None = None, mixer_operator=None, name: str = "QAOA", - flatten: Optional[bool] = None, + flatten: bool | None = None, ): r""" Args: diff --git a/qiskit/circuit/library/n_local/real_amplitudes.py b/qiskit/circuit/library/n_local/real_amplitudes.py index 5bc1a87b0c43..8fd8306f222e 100644 --- a/qiskit/circuit/library/n_local/real_amplitudes.py +++ b/qiskit/circuit/library/n_local/real_amplitudes.py @@ -12,9 +12,12 @@ """The real-amplitudes 2-local circuit.""" -from typing import Union, Optional, List, Tuple, Callable, Any +from __future__ import annotations +from collections.abc import Callable + import numpy as np +from qiskit.circuit import QuantumCircuit from qiskit.circuit.library.standard_gates import RYGate, CXGate from .two_local import TwoLocal @@ -115,19 +118,18 @@ class RealAmplitudes(TwoLocal): def __init__( self, - num_qubits: Optional[int] = None, - entanglement: Union[str, List[List[int]], Callable[[int], List[int]]] = "reverse_linear", + num_qubits: int | None = None, + entanglement: str | list[list[int]] | Callable[[int], list[int]] = "reverse_linear", reps: int = 3, skip_unentangled_qubits: bool = False, skip_final_rotation_layer: bool = False, parameter_prefix: str = "θ", insert_barriers: bool = False, - initial_state: Optional[Any] = None, + initial_state: QuantumCircuit | None = None, name: str = "RealAmplitudes", - flatten: Optional[bool] = None, + flatten: bool | None = None, ) -> None: - """Create a new RealAmplitudes 2-local circuit. - + """ Args: num_qubits: The number of qubits of the RealAmplitudes circuit. reps: Specifies how often the structure of a rotation layer followed by an entanglement @@ -178,7 +180,7 @@ def __init__( ) @property - def parameter_bounds(self) -> List[Tuple[float, float]]: + def parameter_bounds(self) -> list[tuple[float, float]]: """Return the parameter bounds. Returns: diff --git a/qiskit/circuit/library/n_local/two_local.py b/qiskit/circuit/library/n_local/two_local.py index 27a0c67ef6d7..e4e323d65052 100644 --- a/qiskit/circuit/library/n_local/two_local.py +++ b/qiskit/circuit/library/n_local/two_local.py @@ -13,7 +13,8 @@ """The two-local gate circuit.""" from __future__ import annotations -from typing import Union, Optional, List, Callable, Any, Sequence +import typing +from collections.abc import Callable, Sequence from qiskit.circuit.quantumcircuit import QuantumCircuit from qiskit.circuit import Gate, Instruction, Parameter @@ -46,6 +47,9 @@ CHGate, ) +if typing.TYPE_CHECKING: + import qiskit # pylint: disable=cyclic-import + class TwoLocal(NLocal): r"""The two-local circuit. @@ -158,25 +162,30 @@ class TwoLocal(NLocal): def __init__( self, - num_qubits: Optional[int] = None, - rotation_blocks: Optional[ - Union[str, List[str], type, List[type], QuantumCircuit, List[QuantumCircuit]] - ] = None, - entanglement_blocks: Optional[ - Union[str, List[str], type, List[type], QuantumCircuit, List[QuantumCircuit]] - ] = None, - entanglement: Union[str, List[List[int]], Callable[[int], List[int]]] = "full", + num_qubits: int | None = None, + rotation_blocks: str + | type + | qiskit.circuit.Instruction + | QuantumCircuit + | list[str | type | qiskit.circuit.Instruction | QuantumCircuit] + | None = None, + entanglement_blocks: str + | type + | qiskit.circuit.Instruction + | QuantumCircuit + | list[str | type | qiskit.circuit.Instruction | QuantumCircuit] + | None = None, + entanglement: str | list[list[int]] | Callable[[int], list[int]] = "full", reps: int = 3, skip_unentangled_qubits: bool = False, skip_final_rotation_layer: bool = False, parameter_prefix: str = "θ", insert_barriers: bool = False, - initial_state: Optional[Any] = None, + initial_state: QuantumCircuit | None = None, name: str = "TwoLocal", - flatten: Optional[bool] = None, + flatten: bool | None = None, ) -> None: - """Construct a new two-local circuit. - + """ Args: num_qubits: The number of qubits of the two-local circuit. rotation_blocks: The gates used in the rotation layer. Can be specified via the name of @@ -233,7 +242,7 @@ def __init__( flatten=flatten, ) - def _convert_to_block(self, layer: Union[str, type, Gate, QuantumCircuit]) -> QuantumCircuit: + def _convert_to_block(self, layer: str | type | Gate | QuantumCircuit) -> QuantumCircuit: """For a layer provided as str (e.g. ``'ry'``) or type (e.g. :class:`.RYGate`) this function returns the according layer type along with the number of parameters (e.g. ``(RYGate, 1)``).