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mypy 0.970+dev.914297e9486b141c01b34593938fdf423d892cef.dirty documentation
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mypy 0.970+dev.914297e9486b141c01b34593938fdf423d892cef.dirty documentation

First steps

  • Getting started
  • Using mypy with an existing codebase

Cheat sheets

  • Type hints cheat sheet (Python 3)
  • Type hints cheat sheet (Python 2)

Type system reference

  • Built-in types
  • Type inference and type annotations
  • Kinds of types
  • Class basics
  • Annotation issues at runtime
  • Protocols and structural subtyping
  • Dynamically typed code
  • Type checking Python 2 code
  • Type narrowing
  • Duck type compatibility
  • Stub files
  • Generics
  • More types
  • Literal types and Enums
  • Final names, methods and classes
  • Metaclasses

Configuring and running mypy

  • Running mypy and managing imports
  • The mypy command line
  • The mypy configuration file
  • Inline configuration
  • Mypy daemon (mypy server)
  • Using installed packages
  • Extending and integrating mypy
  • Automatic stub generation (stubgen)
  • Automatic stub testing (stubtest)

Miscellaneous

  • Common issues and solutions
  • Supported Python features
  • Error codes
  • Error codes enabled by default
  • Error codes for optional checks
  • Additional features
  • Frequently Asked Questions

Project Links

  • GitHub
  • Website
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