Python Language Services

Python provides a number of modules to assist in working with the Python language. These modules support tokenizing, parsing, syntax analysis, bytecode disassembly, and various other facilities.

These modules include:

• ast — Abstract syntax trees
  • Abstract grammar
  • Node classes
    • Root nodes
    • Literals
    • Variables
    • Expressions
      • Subscripting
      • Comprehensions
    • Statements
      • Imports
    • Control flow
    • Pattern matching
    • Type annotations
    • Type parameters
    • Function and class definitions
    • Async and await
  • ast helpers
  • Compiler flags
  • Command-line usage
• symtable — Access to the compiler’s symbol tables
  • Generating Symbol Tables
  • Examining Symbol Tables
  • Command-Line Usage
• token — Constants used with Python parse trees
• keyword — Testing for Python keywords
• tokenize — Tokenizer for Python source
  • Tokenizing Input
  • Command-Line Usage
  • Examples
• tabnanny — Detection of ambiguous indentation
• pyclbr — Python module browser support
  • Function Objects
  • Class Objects
• py_compile — Compile Python source files
  • Command-Line Interface
• compileall — Byte-compile Python libraries
  • Command-line use
  • Public functions
• dis — Disassembler for Python bytecode
  • Command-line interface
  • Bytecode analysis
  • Analysis functions
  • Python Bytecode Instructions
  • Opcode collections
• pickletools — Tools for pickle developers
  • Command-line usage
    • Command-line options
  • Programmatic interface