Make your functions return something meaningful, typed, and safe!

A simple Rust like Result type for Python 3. Fully type annotated.

Typical: Fast, simple, & correct data-validation using Python 3 typing.

Functional, composable, asynchronous, type-safe Python.

Generate PyAnnotate annotations from your pytest tests.

Type-safe functional tools for Python.

Python library providing type-checked function calls at runtime

Safer Python with types for untrusted input

Python AWS DynamoDB ORM

Some useful decorators for any situation. Includes runtime type checking.

Safe and composable assert for Python that can be used together with optimised mode

Robust And Fast Functional IO Toolkit

Strong Type Hints with Traits

Functional composable pipelines allowing clean separation of the business logic and its implementation

Add static type information into Python abstract syntax trees.

Type safe JSON RPC client with automatic (de)serialization. Best paired with instant_api.

Type-safe mocking for Python.

Command line application for displaying random facts from wikipedia on the console. Available on Python Package Index (PyPI). `pip install x-ae-a-12`

Simple, type-safe dependency injection in idiomatic Python.

Stypy Python 2 type checker