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Reduce uuid conversion overhead (#417)

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J. Nick Koston 2023-04-04 16:21:52 -10:00 committed by GitHub
parent cfbf215485
commit 48792681f2
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1 changed files with 44 additions and 28 deletions
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72
aioesphomeapi/model.py
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@ -1,10 +1,11 @@
import enum
from dataclasses import asdict, dataclass, field, fields
from functools import cache
from functools import cache, lru_cache
from typing import (
TYPE_CHECKING,
Any,
Callable,
Collection,
Dict,
Iterable,
List,
@ -780,49 +781,64 @@ def _join_split_uuid(value: List[int]) -> str:
return str(UUID(int=(value[0] << 64) | value[1]))
def _uuid_converter(uuid: str) -> str:
return (
f"0000{uuid[2:].lower()}-0000-1000-8000-00805f9b34fb"
if len(uuid) < 8
else uuid.lower()
)
_cached_uuid_converter = lru_cache(maxsize=128)(_uuid_converter)
# value is likely a google.protobuf.pyext._message.RepeatedScalarContainer
def _convert_bluetooth_le_service_uuids(value: Iterable[str]) -> List[str]:
if not value:
# empty list, don't convert
return []
# Long UUID inlined to avoid call stack inside the list comprehension
return [
f"0000{v[2:].lower()}-0000-1000-8000-00805f9b34fb" if len(v) < 8 else v.lower()
for v in value
]
return [_cached_uuid_converter(v) for v in value]
def _convert_bluetooth_le_service_data(
value: Union[Dict[str, bytes], Iterable["BluetoothServiceData"]],
value: Union[Dict[str, bytes], Collection["BluetoothServiceData"]],
) -> Dict[str, bytes]:
if isinstance(value, dict):
return value
if not value:
return {}
# Long UUID inlined to avoid call stack inside the dict comprehension
return {
f"0000{v.uuid[2:].lower()}-0000-1000-8000-00805f9b34fb" # type: ignore[union-attr]
if len(v.uuid) < 8 # type: ignore[union-attr]
# v.data if v.data else v.legacy_data is backwards compatible with ESPHome devices before 2022.10.0
else v.uuid.lower(): bytes(v.data if v.data else v.legacy_data) # type: ignore[union-attr]
for v in value
}
def _convert_bluetooth_le_manufacturer_data(
value: Union[Dict[int, bytes], Iterable["BluetoothServiceData"]],
) -> Dict[int, bytes]:
if isinstance(value, dict):
# We literally mean is a `dict` not any other class
if type(value) is dict: # pylint: disable=unidiomatic-typecheck
return value
if not value:
return {}
# v.data if v.data else v.legacy_data is backwards compatible with ESPHome devices before 2022.10.0
return {int(v.uuid, 16): bytes(v.data if v.data else v.legacy_data) for v in value} # type: ignore
if value[0].data: # type: ignore
return {
_cached_uuid_converter(v.uuid): bytes(v.data) # type: ignore[union-attr]
for v in value
}
return {
_cached_uuid_converter(v.uuid): bytes(v.legacy_data) # type: ignore[union-attr]
for v in value
}
def _convert_bluetooth_le_manufacturer_data(
value: Union[Dict[int, bytes], Collection["BluetoothServiceData"]],
) -> Dict[int, bytes]:
# We literally mean is a `dict` not any other class
if type(value) is dict: # pylint: disable=unidiomatic-typecheck
return value
if not value:
return {}
# v.data if v.data else v.legacy_data is backwards compatible with ESPHome devices before 2022.10.0
if value[0].data: # type: ignore
return {int(v.uuid, 16): bytes(v.data) for v in value} # type: ignore
return {int(v.uuid, 16): bytes(v.legacy_data) for v in value} # type: ignore
def _convert_bluetooth_le_name(value: bytes) -> str: