Files
sunnypilot/selfdrive/car/helpers.py
Jason Wen 6bb87174b9 Revert "CarControlSP: live params (#943)" (#1345)
* Revert "`CarControlSP`: live params (#943)"

This reverts commit b5104377

* bump

* bump
2025-10-09 14:14:12 -04:00

68 lines
2.5 KiB
Python

import capnp
from typing import Any
from cereal import custom
from opendbc.car import structs
_FIELDS = '__dataclass_fields__' # copy of dataclasses._FIELDS
def is_dataclass(obj):
"""Similar to dataclasses.is_dataclass without instance type check checking"""
return hasattr(obj, _FIELDS)
def _asdictref_inner(obj) -> dict[str, Any] | Any:
if is_dataclass(obj):
ret = {}
for field in getattr(obj, _FIELDS): # similar to dataclasses.fields()
ret[field] = _asdictref_inner(getattr(obj, field))
return ret
elif isinstance(obj, (tuple, list)):
return type(obj)(_asdictref_inner(v) for v in obj)
else:
return obj
def asdictref(obj) -> dict[str, Any]:
"""
Similar to dataclasses.asdict without recursive type checking and copy.deepcopy
Note that the resulting dict will contain references to the original struct as a result
"""
if not is_dataclass(obj):
raise TypeError("asdictref() should be called on dataclass instances")
return _asdictref_inner(obj)
def convert_to_capnp(struct: structs.CarParamsSP | structs.CarStateSP) -> capnp.lib.capnp._DynamicStructBuilder:
struct_dict = asdictref(struct)
if isinstance(struct, structs.CarParamsSP):
struct_capnp = custom.CarParamsSP.new_message(**struct_dict)
elif isinstance(struct, structs.CarStateSP):
struct_capnp = custom.CarStateSP.new_message(**struct_dict)
else:
raise ValueError(f"Unsupported struct type: {type(struct)}")
return struct_capnp
def convert_carControlSP(struct: capnp.lib.capnp._DynamicStructReader) -> structs.CarControlSP:
# TODO: recursively handle any car struct as needed
def remove_deprecated(s: dict) -> dict:
return {k: v for k, v in s.items() if not k.endswith('DEPRECATED')}
struct_dict = struct.to_dict()
struct_dataclass = structs.CarControlSP(**remove_deprecated({k: v for k, v in struct_dict.items() if not isinstance(k, dict)}))
struct_dataclass.mads = structs.ModularAssistiveDrivingSystem(**remove_deprecated(struct_dict.get('mads', {})))
# struct_dataclass.params = [structs.CarControlSP.Param(**remove_deprecated(p)) for p in struct_dict.get('params', [])]
struct_dataclass.leadOne = structs.LeadData(**remove_deprecated(struct_dict.get('leadOne', {})))
struct_dataclass.leadTwo = structs.LeadData(**remove_deprecated(struct_dict.get('leadTwo', {})))
struct_dataclass.intelligentCruiseButtonManagement = structs.IntelligentCruiseButtonManagement(
**remove_deprecated(struct_dict.get('intelligentCruiseButtonManagement', {}))
)
return struct_dataclass