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Change GridDeviceMetadata gate duration property to Mapping type #5656

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merged 4 commits into from
Jul 7, 2022
Merged

Change GridDeviceMetadata gate duration property to Mapping type #5656

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c10a832
Change GridDeviceMetadata gate duration property to Mapping type
verult Jun 30, 2022
760c4d8
Update constructor to Mapping
verult Jul 6, 2022
9f822b8
Merge branch 'master' into griddevicemetadata-gateduration-mapping
verult Jul 7, 2022
8c3854c
Merge branch 'master' into griddevicemetadata-gateduration-mapping
CirqBot Jul 7, 2022
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6 changes: 3 additions & 3 deletions cirq-core/cirq/devices/grid_device_metadata.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,7 @@
# limitations under the License.
"""Metadata subtype for 2D Homogenous devices."""

from typing import TYPE_CHECKING, cast, Optional, FrozenSet, Iterable, Tuple, Dict
from typing import TYPE_CHECKING, cast, FrozenSet, Iterable, Mapping, Optional, Tuple

import networkx as nx
from cirq import value
Expand All @@ -31,7 +31,7 @@ def __init__(
self,
qubit_pairs: Iterable[Tuple['cirq.GridQubit', 'cirq.GridQubit']],
gateset: 'cirq.Gateset',
gate_durations: Optional[Dict['cirq.GateFamily', 'cirq.Duration']] = None,
gate_durations: Optional[Mapping['cirq.GateFamily', 'cirq.Duration']] = None,
all_qubits: Optional[Iterable['cirq.GridQubit']] = None,
compilation_target_gatesets: Iterable['cirq.CompilationTargetGateset'] = (),
):
Expand Down Expand Up @@ -147,7 +147,7 @@ def compilation_target_gatesets(self) -> Tuple['cirq.CompilationTargetGateset',
return self._compilation_target_gatesets

@property
def gate_durations(self) -> Optional[Dict['cirq.GateFamily', 'cirq.Duration']]:
def gate_durations(self) -> Optional[Mapping['cirq.GateFamily', 'cirq.Duration']]:
"""Get a dictionary mapping from gate family to duration for gates.

To look up the duration of a specific gate instance / gate type / operation which is part of
Expand Down