28 Python Runtime Services

The modules described in this chapter provide a wide range of services related to the Python interpreter and its interaction with its environment. Here’s an overview:

• 1. sys — System-specific parameters and functions
• 2. sysconfig — Provide access to Python’s configuration information
• 3. __builtin__ — Built-in objects
• 4. future_builtins — Python 3 builtins
• 5. __main__ — Top-level script environment
• 6. warnings — Warning control
• 7. contextlib — Utilities for with-statement contexts
• 8. abc — Abstract Base Classes
• 9. atexit — Exit handlers
• 10. traceback — Print or retrieve a stack traceback
• 11. __future__ — Future statement definitions
• 12. gc — Garbage Collector interface
• 13. inspect — Inspect live objects
• 14. site — Site-specific configuration hook
• 15. user — User-specific configuration hook
• 16. fpectl — Floating point exception control