Files
MetaORM/examples/basic_usage.py

65 lines
1.7 KiB
Python

import asyncio
from metaorm import BaseFilter, BaseRepository, BaseTable, Field, RepositorySettings
class UserTable(BaseTable, table=True):
__tablename__ = "users"
id: int | None = Field(default=None, primary_key=True)
name: str
email: str = Field(unique=True)
class UserFilter(BaseFilter):
name: str | None = None
email: str | None = None
class UserRepository(BaseRepository, table=UserTable, filter_=UserFilter):
pass
async def main() -> None:
settings = RepositorySettings(dsn="sqlite+aiosqlite:///:memory:")
repository = UserRepository(settings=settings)
await repository.create_tables()
# Create
user = await repository.create_item(
UserTable(name="Alice", email="alice@example.com"),
)
print(f"Created: {user.name}, {user.email}")
# Read single item
single = await repository.get_item()
print(f"Single item: {single.name}, {single.email}")
# Read by filter
filtered = await repository.get_item(
filter_=UserFilter(email="alice@example.com"),
)
print(f"Filtered item: {filtered.name if filtered else None}")
# Read all
items = [item async for item in repository.get_items()]
print(f"All items: {[(item.name, item.email) for item in items]}")
# Count
count = await repository.get_items_count()
print(f"Count: {count}")
# Update
updated = [item async for item in repository.update_items(name="Updated")]
print(f"Updated: {[(item.name, item.email) for item in updated]}")
# Delete
await repository.delete_items()
count = await repository.get_items_count()
print(f"Count after delete: {count}")
if __name__ == "__main__":
asyncio.run(main())