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card: fix memory leak from nested function scoping (#33328) 

* stash

* no other leaks! pm.send grows memory usage by ~20mb but that's it

* undo

* clean up
This commit is contained in:
Shane Smiskol 2024-08-19 14:27:50 -07:00 committed by GitHub
parent 08f64ae30a
commit ee9977df2f
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GPG Key ID: B5690EEEBB952194
1 changed files with 12 additions and 11 deletions
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23
selfdrive/car/card.py
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@ -66,6 +66,18 @@ def is_dataclass(obj):
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
@ -74,17 +86,6 @@ def asdictref(obj) -> dict[str, Any]:
if not is_dataclass(obj):
raise TypeError("asdictref() should be called on dataclass instances")
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
return _asdictref_inner(obj)