"""Evidence acquisition operations over the credential-free source contract."""

from collections.abc import Iterable

from tht.evidence.contracts import AcquiredDocument, EvidenceSource, SourceObject


def discover(source: EvidenceSource) -> Iterable[SourceObject]:
    """Discover source objects without changing source-defined laziness or ordering."""
    return source.discover()


def acquire(source: EvidenceSource, item: SourceObject) -> AcquiredDocument:
    """Acquire one discovered object, preserving the source's classified failures."""
    return source.acquire(item)


__all__ = ["acquire", "discover"]