Files
home-automation/apps/abstraction/transformation.py

89 lines
3.0 KiB
Python

"""Payload transformation functions for vendor-specific device communication.
This module provides transformation functions to translate between abstract
home protocol payloads and vendor-specific device payloads.
"""
import logging
from typing import Any
logger = logging.getLogger(__name__)
def transform_abstract_to_vendor(
device_type: str,
device_technology: str,
abstract_payload: dict[str, Any]
) -> dict[str, Any]:
"""Transform abstract payload to vendor-specific payload for SET commands.
This function allows technology-specific transformations when sending commands
to devices. For example, different vendors might use different field names or
value formats for the same abstract concept.
Args:
device_type: Type of device (e.g., 'light', 'thermostat')
device_technology: Technology identifier (e.g., 'zigbee2mqtt', 'tasmota')
abstract_payload: Abstract payload following home protocol
Returns:
Vendor-specific payload for the device
Example:
Input: {'power': 'on', 'brightness': 75}
Output: {'state': 'ON', 'brightness': 75} # hypothetical vendor format
"""
logger.debug(
f"transform_abstract_to_vendor IN: type={device_type}, tech={device_technology}, "
f"payload={abstract_payload}"
)
# TODO: Implement technology-specific transformations here
# Currently pass-through: return payload unchanged
vendor_payload = abstract_payload
logger.debug(
f"transform_abstract_to_vendor OUT: type={device_type}, tech={device_technology}, "
f"payload={vendor_payload}"
)
return vendor_payload
def transform_vendor_to_abstract(
device_type: str,
device_technology: str,
vendor_payload: dict[str, Any]
) -> dict[str, Any]:
"""Transform vendor-specific payload to abstract payload for STATE messages.
This function allows technology-specific transformations when receiving state
updates from devices. For example, different vendors might report state using
different field names or value formats.
Args:
device_type: Type of device (e.g., 'light', 'thermostat')
device_technology: Technology identifier (e.g., 'zigbee2mqtt', 'tasmota')
vendor_payload: Vendor-specific payload from the device
Returns:
Abstract payload following home protocol
Example:
Input: {'state': 'ON', 'brightness': 75} # hypothetical vendor format
Output: {'power': 'on', 'brightness': 75}
"""
logger.debug(
f"transform_vendor_to_abstract IN: type={device_type}, tech={device_technology}, "
f"payload={vendor_payload}"
)
# TODO: Implement technology-specific transformations here
# Currently pass-through: return payload unchanged
abstract_payload = vendor_payload
logger.debug(
f"transform_vendor_to_abstract OUT: type={device_type}, tech={device_technology}, "
f"payload={abstract_payload}"
)
return abstract_payload