oslo.db
Oslo Database library
Decision gist · record as of 2026-08-14
Yes, if you are building OpenStack services or applications that benefit from its database abstraction patterns. The library is production-stable, actively maintained, has low install friction, and carries a permissive Apache-2.0 license. No known security vulnerabilities. Install only if you need its specific patterns; it is not a general-purpose ORM replacement.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.11 or later; SQLAlchemy must be installed and configured with a supported database backend.
- Low install friction with a pure-Python wheel distribution.
- Active maintenance with a release 35 days ago.
License · maintenance · safety
Apache-2.0 (permissive) — Apache-2.0 permissive license allows commercial and private use with minimal restrictions; suitable for most deployment contexts.
last release 2026-07-10 (35 days)
0 known vulnerabilities (OSV.dev, 2026-08-14) · 467,937 downloads/mo, #6,496 on PyPI
Alternatives
Verify before relying
pip install oslo.db
from oslo_db.sqlalchemy import models
from sqlalchemy import Column, String
class MyModel(models.ModelBase):
name = Column(String)- Specific database backends supported and any version constraints for each.
- Whether oslo.db is required for non-OpenStack projects or primarily intended for OpenStack ecosystem use.
- Performance characteristics or scalability limits for high-throughput database operations.
What it is and what it does
oslo.db is an OpenStack library that abstracts database connectivity and provides common patterns for ORM-based applications. It wraps SQLAlchemy and alembic to offer a unified interface for database operations across different backends, handling session management, migrations, and helper utilities that OpenStack services rely on.
The library is production-stable and actively maintained, with support for Python 3.11, 3.12, 3.13, and 3.14. It's primarily designed for OpenStack projects but can be used by any application needing structured database abstraction with alembic-based schema management. Its runtime dependencies are well-established libraries (SQLAlchemy, alembic, oslo.config, stevedore), making it a straightforward addition to projects already using those tools.
Use it for
- Building OpenStack services that need consistent database connectivity patterns and schema versioning.
- Abstracting database backend differences in multi-tenant or multi-database applications using SQLAlchemy.
- Managing database migrations in large projects via alembic with oslo.db's helper utilities.
- Implementing session and connection pooling strategies for OpenStack-compatible applications.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building OpenStack services or applications that benefit from its database abstraction patterns.
The library is production-stable, actively maintained, has low install friction, and carries a permissive Apache-2.0 license. No known security vulnerabilities. Install only if you need its specific patterns; it is not a general-purpose ORM replacement.
Install
oslo-db on PyPI
Before you install
Low install friction with a pure-Python wheel distribution. Active maintenance with a release 35 days ago. Depends on well-established libraries including SQLAlchemy, alembic, and oslo.config.
Requires Python 3.11 or later; SQLAlchemy must be installed and configured with a supported database backend.
License in practice
Apache-2.0 permissive license allows commercial and private use with minimal restrictions; suitable for most deployment contexts.
Quickstart
pip install oslo.db
from oslo_db.sqlalchemy import models
from sqlalchemy import Column, String
class MyModel(models.ModelBase):
name = Column(String)Verify before relying
- Specific database backends supported and any version constraints for each.
- Whether oslo.db is required for non-OpenStack projects or primarily intended for OpenStack ecosystem use.
- Performance characteristics or scalability limits for high-throughput database operations.
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.11 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 9 packagesalembicdebtcollectoroslo.i18noslo.configoslo.utilsSQLAlchemystevedoretestresourcestestscenarios |
| Maintenance | Actively maintained 35 days since the last release |
| First released | |
| Downloads | 467,937 / month, #6,496 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableEnvironment :: OpenStackIntended Audience :: Information TechnologyIntended Audience :: System AdministratorsOperating System :: POSIX :: LinuxProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: Implementation :: CPython |
Evidence: oslo_db-18.1.0-py3-none-any.whl
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