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"""
Utilities for handling data on resources.
These are mostly meant for internal use.
"""
from uuid import UUID
from typing import Sequence
from functools import reduce
import sqlite3
from .base import Resource
def __attach_data__(
data_rows: Sequence[sqlite3.Row],
resources: Sequence[Resource]) -> Sequence[Resource]:
def __organise__(acc, row):
resource_id = UUID(row["resource_id"])
return {
**acc,
resource_id: acc.get(resource_id, tuple()) + (dict(row),)
}
organised: dict[UUID, tuple[dict, ...]] = reduce(__organise__, data_rows, {})
return tuple(
Resource(resource.resource_id, resource.resource_name,
resource.resource_category, resource.public,
organised.get(resource.resource_id, tuple()))
for resource in resources)
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