HPI/my/core/dataset.py
2020-07-06 21:40:41 +01:00

9 lines
424 B
Python

from pathlib import Path
# TODO wonder if also need to open without WAL.. test this on read-only directory/db file
def connect_readonly(db: Path):
import dataset # type: ignore
# see https://github.com/pudo/dataset/issues/136#issuecomment-128693122
import sqlite3
creator = lambda: sqlite3.connect(f'file:{db}?mode=ro', uri=True)
return dataset.connect('sqlite:///', engine_kwargs={'creator': creator})