1. import json
  2. import datetime
  4. def pretty_print_metadata(metadata):
  5. """
  6. Pretty-prints metadata for maintenance tasks with basic input validation.
  7. """
  8. if not isinstance(metadata, dict):
  9. print("Error: Metadata must be a dictionary.")
  10. return
  12. print("Metadata:")
  13. for key, value in metadata.items():
  14. print(f" {key}: ", end="")
  15. if isinstance(value, dict):
  16. print(json.dumps(value, indent=4)) # Pretty-print nested dicts
  17. elif isinstance(value, list):
  18. print("[")
  19. for item in value:
  20. print(f" {item}")
  21. print("]")
  22. else:
  23. print(value)
  24. print("-" * 20)
  27. def get_metadata_input():
  28. """
  29. Gets metadata input from the user with basic validation.
  30. """
  31. metadata = {}
  32. while True:
  33. key = input("Enter key (or 'done' to finish): ")
  34. if key.lower() == 'done':
  35. break
  37. value = input(f"Enter value for '{key}': ")
  39. # Basic validation: check if value is empty
  40. if not value:
  41. print("Value cannot be empty.")
  42. continue
  44. metadata[key] = value
  46. return metadata
  48. if __name__ == "__main__":
  49. # Example usage
  50. metadata = get_metadata_input()
  51. pretty_print_metadata(metadata)

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