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DataLoader

gepa.core.data_loader.DataLoader

Bases: Protocol[DataId, DataInst]

Minimal interface for retrieving validation examples keyed by opaque ids.

Functions

all_ids() -> Sequence[DataId]

Return the ordered universe of ids currently available. This may change over time.

Source code in gepa/core/data_loader.py 
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def all_ids(self) -> Sequence[DataId]:
    """Return the ordered universe of ids currently available. This may change over time."""
    ...

fetch(ids: Sequence[DataId]) -> list[DataInst]

Materialise the payloads corresponding to ids, preserving order.

Source code in gepa/core/data_loader.py 
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def fetch(self, ids: Sequence[DataId]) -> list[DataInst]:
    """Materialise the payloads corresponding to `ids`, preserving order."""
    ...

__len__() -> int

Return current number of items in the loader.

Source code in gepa/core/data_loader.py 
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def __len__(self) -> int:
    """Return current number of items in the loader."""
    ...