Skip to content

proxystore.store.exceptions

Exceptions for Stores.

StoreError

Bases: Exception

Base exception class for store errors.

StoreExistsError

Bases: StoreError

Exception raised when a store with the same name already exists.

ProxyStoreFactoryError

Bases: StoreError

Exception raised when a proxy was not created by a Store.

ProxyResolveMissingKeyError 

ProxyResolveMissingKeyError(
    key: ConnectorKeyT,
    store_type: type[Store[Any]],
    store_name: str,
)

Bases: Exception

Exception raised when the key associated with a proxy is missing.

Init ProxyResolveMissingKeyError.

Parameters:

  • key (ConnectorKeyT) –

    Key associated with target object that could not be found in the store.

  • store_type (type[Store[Any]]) –

    Type of store that the key could not be found in.

  • store_name (str) –

    Name of store that the key could not be found in.

Source code in proxystore/store/exceptions.py 
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
def __init__(
    self,
    key: base.ConnectorKeyT,
    store_type: type[base.Store[Any]],
    store_name: str,
) -> None:
    """Init ProxyResolveMissingKeyError.

    Args:
        key: Key associated with target object that could not be found in
            the store.
        store_type: Type of store that the key could not be found in.
        store_name: Name of store that the key could not be found in.
    """
    self.key = key
    self.store_type = store_type
    self.store_name = store_name
    super().__init__(
        f"Cannot resolve target object with key='{self.key}' "
        f"from {self.store_type.__name__}(name='{self.store_name}') "
        'because there is no object associated with the key. This can '
        'often occur when the target object is evicted from the store '
        'while proxies of the target still exist.',
    )

NonProxiableTypeError

Bases: Exception

Exception raised when proxying an unproxiable type.