python-basics.sw.yaml

document:
  dsl: '1.0.2'
  namespace: examples
  name: python-basics
  version: '1.0.0'
  description: |
    Demonstrates basic Python script execution in jackdaw.
    Shows how to use embedded Python to perform calculations
    and data processing.

do:
  - calculateFactorial:
      run:
        script:
          language: python
          arguments:
            - "10"
          code: |
            import sys
            import json

            def factorial(n):
                if n <= 1:
                    return 1
                return n * factorial(n - 1)

            n = int(sys.argv[1])
            result = {
                "input": n,
                "factorial": factorial(n),
                "message": f"The factorial of {n} is {factorial(n)}"
            }

            print(json.dumps(result))
      output:
        as:
          calculateFactorial: ${ . }

  - processData:
      run:
        script:
          language: python
          arguments:
            - ${ .calculateFactorial.factorial | tostring }
          code: |
            import sys
            import json

            factorial_value = int(sys.argv[1])

            # Demonstrate using Python libraries
            import math

            result = {
                "factorial": factorial_value,
                "log10": math.log10(factorial_value),
                "sqrt": math.sqrt(factorial_value),
                "formatted": f"{factorial_value:,}"
            }

            print(json.dumps(result))