rules:
  - id: use-sys-exit
    languages:
      - python
    message:
      Detected use of `exit`.
      Use `sys.exit` over the python shell `exit` built-in. `exit` is a helper for the interactive shell and may not
      be available on all Python implementations. 
    patterns:
      - pattern: exit($X)
      - pattern-not: sys.exit($X)
    severity: WARNING
    fix: sys.exit($X)
    metadata:
      category: correctness
      technology:
        - python
      references:
        - https://stackoverflow.com/questions/6501121/difference-between-exit-and-sys-exit-in-python