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feat: allow SharedMemoryDict to be initialized like a regular dictionary #41

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feat: allow SharedMemoryDict to be initialized like a regular dictionary #41

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9 changes: 5 additions & 4 deletions shared_memory_dict/dict.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,13 +30,14 @@ def __init__(
self,
name: str,
size: int,
*,
*args,
serializer: SharedMemoryDictSerializer = DEFAULT_SERIALIZER,
**kwargs
) -> None:
super().__init__()
self._serializer = serializer
self._memory_block = self._get_or_create_memory_block(
MEMORY_NAME.format(name=name), size
MEMORY_NAME.format(name=name), size, dict(*args, **kwargs)
)

def cleanup(self) -> None:
Expand Down Expand Up @@ -154,13 +155,13 @@ def setdefault(self, key: str, default: Optional[Any] = None):
return db.setdefault(key, default)

def _get_or_create_memory_block(
self, name: str, size: int
self, name: str, size: int, initial: dict
) -> SharedMemory:
try:
return SharedMemory(name=name)
except FileNotFoundError:
shm = SharedMemory(name=name, create=True, size=size)
data = self._serializer.dumps({})
data = self._serializer.dumps(initial)
shm.buf[: len(data)] = data
return shm

Expand Down