simple_module_db

Database layer for the simple_module framework. Provides a per-module Base, an async SQLAlchemy/SQLModel session, standard mixins, and an auto-commit-on-flush listener that removes manual session.commit() calls from service code.

Install

pip install simple_module_db

What it provides

  • create_module_base("<module_name>") — a module-scoped declarative Base with its own MetaData. All modules share the host's single schema, so __tablename__ should be prefixed with the module name (e.g. users_user) to avoid collisions.
  • Per-request async session (get_db) with an auto-commit-on-flush hook — after_flush commits if there are pending writes, rolls back otherwise.
  • Mixins in simple_module_db.mixins: AuditMixin (created_at/updated_at), SoftDeleteMixin (auto-filtered unless stmt.execution_options(include_deleted=True)), MultiTenantMixin, VersionedMixin.
  • DatabaseState container used by the framework to avoid global mutable state.

Usage

# modules/orders/orders/models.py
from simple_module_db import AuditMixin, SoftDeleteMixin, create_module_base
from sqlmodel import Field

Base = create_module_base("orders")


class Order(Base, AuditMixin, SoftDeleteMixin, table=True):
    id: int | None = Field(default=None, primary_key=True)
    customer_id: int = Field(index=True, foreign_key="users_user.id")
    total_cents: int

In a service:

from simple_module_db import get_db

async def create_order(session = Depends(get_db), ...):
    order = Order(customer_id=..., total_cents=...)
    session.add(order)
    await session.flush()   # assigns order.id; auto-commit happens after the request
    return order

Never call session.commit() — the framework handles it.

Depends on

  • simple_module_core, sqlalchemy[asyncio], sqlmodel, alembic, asyncpg, aiosqlite

License

MIT — see LICENSE.

Project links

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Credits

Author: Anto Subash

GitHub Statistics

Data verified by PyPI on Sep 4, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License expression

MIT
View SPDX License List

Requires

Python >=3.12

Tags

alembic async multi-tenant simple-module sqlalchemy sqlmodel

Classifiers

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