12 lines
657 B
Python
12 lines
657 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
|
|
# todo not sure if mode=ro has any benefit, but it doesn't work on read-only filesystems
|
|
# maybe it should autodetect readonly filesystems and apply this? not sure
|
|
import sqlite3
|
|
# https://www.sqlite.org/draft/uri.html#uriimmutable
|
|
creator = lambda: sqlite3.connect(f'file:{db}?immutable=1', uri=True)
|
|
return dataset.connect('sqlite:///', engine_kwargs={'creator': creator})
|