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import sqlite3
from pathlib import Path
from shutil import copyfile
DIRECTORY = Path("data") # directory that has a persistent volume mapped to it
def datafile(file_path: Path) -> Path:
"""Copy datafile at the provided file_path to the persistent data directory."""
if not file_path.exists():
raise OSError(f"File not found at {file_path}.")
persistant_path = Path(DIRECTORY, file_path.name)
if not persistant_path.exists():
copyfile(file_path, persistant_path)
return persistant_path
def sqlite(db_path: Path) -> sqlite3.Connection:
"""Copy sqlite file to the persistent data directory and return an open connection."""
persistant_path = datafile(db_path)
return sqlite3.connect(persistant_path)
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