Files
arcaea-offline-pyside-ui/core/database/utils.py

29 lines
943 B
Python

from pathlib import Path
from PySide6.QtCore import QSysInfo, QUrl
from sqlalchemy import Engine
from sqlalchemy import create_engine as sa_create_engine
from sqlalchemy.pool import NullPool, Pool
def db_path_to_sqlite_url(file: Path) -> QUrl:
kernelType = QSysInfo.kernelType()
# the slash count varies depending on the kernel
# https://docs.sqlalchemy.org/en/20/core/engines.html#sqlite
uri = file.resolve().as_uri()
if kernelType == "winnt":
return QUrl(uri.replace("file://", "sqlite://"))
else:
return QUrl(uri.replace("file://", "sqlite:///"))
def sqlite_url_to_db_path(url: str) -> Path:
db_file_url = url.replace("sqlite://", "file://")
return Path(QUrl(db_file_url).toLocalFile()).resolve()
def create_engine(_url: str | QUrl, pool: type[Pool] = NullPool) -> Engine:
url = _url.toString() if isinstance(_url, QUrl) else _url
return sa_create_engine(url, poolclass=pool)