aerich/tests/_utils.py
Waket Zheng b46ceafb2e
feat: support --fake for aerich upgrade (#398)
* feat: support `--fake` for aerich upgrade

* Add `--fake` to downgrade

* tests: check --fake result for aerich upgrade and downgrade

* Update readme

* Fix unittest failed because of `db_field_types` changed

* refactor: improve type hints and document
2025-02-07 19:44:15 +08:00

47 lines
1.4 KiB
Python

import contextlib
import os
import shutil
import sys
from pathlib import Path
from tortoise import Tortoise, generate_schema_for_client
from tortoise.exceptions import DBConnectionError, OperationalError
if sys.version_info >= (3, 11):
from contextlib import chdir
else:
class chdir(contextlib.AbstractContextManager): # Copied from source code of Python3.13
"""Non thread-safe context manager to change the current working directory."""
def __init__(self, path):
self.path = path
self._old_cwd = []
def __enter__(self):
self._old_cwd.append(os.getcwd())
os.chdir(self.path)
def __exit__(self, *excinfo):
os.chdir(self._old_cwd.pop())
async def drop_db(tortoise_orm) -> None:
# Placing init outside the try-block(suppress) since it doesn't
# establish connections to the DB eagerly.
await Tortoise.init(config=tortoise_orm)
with contextlib.suppress(DBConnectionError, OperationalError):
await Tortoise._drop_databases()
async def init_db(tortoise_orm, generate_schemas=True) -> None:
await drop_db(tortoise_orm)
await Tortoise.init(config=tortoise_orm, _create_db=True)
if generate_schemas:
await generate_schema_for_client(Tortoise.get_connection("default"), safe=True)
def copy_files(*src_files: Path, target_dir: Path) -> None:
for src in src_files:
shutil.copy(src, target_dir)