sqlalchemy.util._collections.PopulateDict

class documentation

class PopulateDict(Dict[_KT, _VT]): (source)

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A dict which populates missing values via a creation function. Note the creation function takes a key, unlike collections.defaultdict.

Method __init__ Undocumented
Method __missing__ Undocumented
Instance Variable creator Undocumented
def __init__(self, creator: Callable[[_KT], _VT]): (source)

Undocumented

def __missing__(self, key: Any) -> Any: (source)

Undocumented

creator = (source)

Undocumented