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factory_boy

On the record

Audience
It is a fixtures replacement tool for Python tests.factoryboy.readthedocs.io · read 9 Oct 2026
Build strategies
Factories can build unsaved instances, create saved instances, or return stub objects.factoryboy.readthedocs.io · read 9 Oct 2026
Community support
The documentation directs users to GitHub Issues and a Google Groups mailing list for questions and suggestions.factoryboy.readthedocs.io · read 9 Oct 2026
Debugging
Detailed logging is available through the factory logger, and factory.debug() is provided as a debugging helper.factoryboy.readthedocs.io · read 9 Oct 2026
Distribution
The documentation gives PyPI installation and Git source installation instructions.factoryboy.readthedocs.io · read 9 Oct 2026
Factory syntax
Factories use a declarative syntax to define attributes for creating Python objects.factoryboy.readthedocs.io · read 9 Oct 2026
Generated data
factory_boy uses the Faker library to generate realistic random values.factoryboy.readthedocs.io · read 9 Oct 2026
Generated values
It uses Faker for realistic random values and provides helpers to reseed random values for reproducible tests.factoryboy.readthedocs.io · read 9 Oct 2026
Inheritance
It supports multiple factories for a class, including inheritance.factoryboy.readthedocs.io · read 9 Oct 2026
License
The project is distributed under the MIT License.factoryboy.readthedocs.io · read 9 Oct 2026
ORM integrations
Documented ORM integrations include Django, Mogo, MongoEngine, and SQLAlchemy.factoryboy.readthedocs.io · read 9 Oct 2026
ORM support
The documentation describes integrations for Django, Mogo, MongoEngine, and SQLAlchemy.factoryboy.readthedocs.io · read 9 Oct 2026
Purpose
factory_boy replaces static test fixtures with customizable factories for complex objects.factoryboy.readthedocs.io · read 9 Oct 2026
Python support
The support policy covers active Python versions and PyPy3.factoryboy.readthedocs.io · read 9 Oct 2026
Related objects
SubFactory creates associated objects and uses the associated factory's strategy.factoryboy.readthedocs.io · read 9 Oct 2026
Reproducible randomness
The factory.random module provides helpers for managing random seeds.factoryboy.readthedocs.io · read 9 Oct 2026
SQLAlchemy requirement
SQLAlchemyModelFactory requires a session object configured through sqlalchemy_session or sqlalchemy_session_factory.factoryboy.readthedocs.io · read 9 Oct 2026
Support channels
The project directs users to GitHub Issues and welcomes questions and suggestions on its mailing list.factoryboy.readthedocs.io · read 9 Oct 2026

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