Pyright
Pyright is a fast and powerful type checker for Python that can run in a variety of environments including Visual Studio Code, Sublime Text, Vim and others. It provides instantaneous feedback as code is written to catch type errors before code is run.
type-checking
static-analysis
ide-integration
Pyright: Fast Python Type Checker
Instantaneous feedback on Python type errors for developers, supporting Visual Studio Code, Sublime Text, Vim and more
What is Pyright?
Pyright is a fast and powerful static type checker for Python that can supercharge developer productivity. Here are some of the key things to know about Pyright:
- Provides instant feedback on type errors and other potential bugs as you write Python code, helping you catch issues early.
- Supports type narrowing, type guards, and other advanced type functionality to reduce false positives.
- Works across all Python environments - supports Python 2.7 to 3.10 features.
- Highly customizable through config files allowing teams to specify rules and enabled/disabled checks.
- Easy to install Visual Studio Code extension available. Also works in other editors like Vim and Sublime Text.
- Open source tool from Microsoft that sees frequent updates and improvements.
- Can significantly improve developer productivity by reducing time spent hunting bugs.
Overall if you're writing a reasonable amount of Python code, Pyright is an invaluable tool to write better, less buggy code faster. Well worth trying out.
Pyright Features
Features
- Fast type checking
- Support for gradual typing
- Rich type analysis
- Stub file support
- Type narrowing
- Async support
- Type inference
Pricing
- Open Source
Pros
Very fast compared to other Python type checkers
Good integration with IDEs like VSCode
Catches many type errors early
Open source and free
Cons
Less customizable than some other type checkers
More limited type system than static type checkers for other languages
Requires type hints to be fully effective
Still in active development
Official Links
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