polyfactory 3.2.0
Mock data generation factories
License: MIT
Requires Python: <4.0,>=3.9
Keywords: attrs, dataclasses, msgspec, pydantic, sqlalchemy

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| Project   |     | Status                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
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# Polyfactory

Polyfactory is a simple and powerful mock data generation library, based around type
hints and supporting dataclasses, typed-dicts, pydantic models, msgspec structs and more.

Polyfactory part of the Litestar project and as such actively maintained by a community of maintainers and contributors.

## Example

```python
from dataclasses import dataclass

from polyfactory.factories import DataclassFactory


@dataclass
class Person:
    name: str
    age: float
    height: float
    weight: float


class PersonFactory(DataclassFactory[Person]):
    ...


def test_is_person() -> None:
    person_instance = PersonFactory.build()
    assert isinstance(person_instance, Person)
```

That's it - with almost no work, we are able to create a mock data object fitting the `Person` class model definition.

This is possible because of the typing information available on the dataclass, which are used as a
source of truth for data generation.

The factory parses the information stored in the dataclass and generates a dictionary of kwargs that are passed to
`Person`.

## Documentation

Usage and API reference documentation is available on https://polyfactory.litestar.dev/.

## Installation

```shell
pip install polyfactory
```

## Relation to Pydantic-Factories

Prior to version 2, this library was known as [pydantic-factories](https://pypi.org/project/pydantic-factories/), a name
under which it gained quite a bit of popularity.
A main motivator for the 2.0 release was that we wanted to support more than just Pydantic models, something which also
required a change to its core architecture. As this library would no longer be directly tied to Pydantic, `polyfactory`
was chosen as its new name to reflect its capabilities; It can generate mock data for dataclasses, typed-dicts,
Pydantic, odmantic, and beanie ODM models, as well as custom factories.

## Contributing

This library is a community driven open source project. We welcome and encourage contributions. Please checkout the
GitHub issues, read the contribution guide (at the repository's root), and you're always welcome
to [join our discord server](https://discord.gg/F4jPQzHpBU).

## Contributors ✨

Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):

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      <td align="center" valign="top" width="14.28%"><a href="https://github.com/Goldziher"><img src="https://avatars.githubusercontent.com/u/30733348?v=4?s=100" width="100px;" alt="Na'aman Hirschfeld"/><br /><sub><b>Na'aman Hirschfeld</b></sub></a><br /><a href="#maintenance-Goldziher" title="Maintenance">🚧</a> <a href="#infra-Goldziher" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/litestar-org/polyfactory/commits?author=Goldziher" title="Tests">⚠️</a> <a href="https://github.com/litestar-org/polyfactory/commits?author=Goldziher" title="Code">💻</a> <a href="https://github.com/litestar-org/polyfactory/commits?author=Goldziher" title="Documentation">📖</a></td>
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      <td align="center" valign="top" width="14.28%"><a href="http://matthewtyleraylward.com"><img src="https://avatars.githubusercontent.com/u/19205392?v=4?s=100" width="100px;" alt="Matthew Aylward "/><br /><sub><b>Matthew Aylward </b></sub></a><br /><a href="https://github.com/litestar-org/polyfactory/commits?author=Butch78" title="Code">💻</a></td>
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      <td align="center" valign="top" width="14.28%"><a href="https://github.com/gigelu"><img src="https://avatars.githubusercontent.com/u/270697?v=4?s=100" width="100px;" alt="gigelu"/><br /><sub><b>gigelu</b></sub></a><br /><a href="https://github.com/litestar-org/polyfactory/commits?author=gigelu" title="Code">💻</a></td>
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      <td align="center" valign="top" width="14.28%"><a href="https://gerritegnew.info/"><img src="https://avatars.githubusercontent.com/u/35822787?v=4?s=100" width="100px;" alt="Gerrit Egnew"/><br /><sub><b>Gerrit Egnew</b></sub></a><br /><a href="https://github.com/litestar-org/polyfactory/commits?author=gegnew" title="Code">💻</a></td>
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This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification.
Contributions of any kind welcome!