1. import json
  2. import yaml
  3. import logging
  5. logging.basicConfig(level=logging.ERROR, format='%(asctime)s - %(levelname)s - %(message)s')
  7. def convert_metadata(metadata, input_format, output_format):
  8. """
  9. Converts metadata from one format to another.
  11. Args:
  12. metadata (dict): The metadata to convert.
  13. input_format (str): The format of the input metadata ('json', 'yaml').
  14. output_format (str): The desired format of the output metadata ('json', 'yaml').
  16. Returns:
  17. str: The converted metadata as a string, or None if an error occurred.
  18. """
  19. try:
  20. if input_format == 'json':
  21. # Load from JSON
  22. data = json.dumps(metadata)
  23. elif input_format == 'yaml':
  24. # Load from YAML
  25. data = yaml.dump(metadata) # Convert to string
  26. else:
  27. logging.error(f"Unsupported input format: {input_format}")
  28. return None
  30. if output_format == 'json':
  31. # Convert to JSON
  32. converted_data = json.loads(data)
  33. elif output_format == 'yaml':
  34. # Convert to YAML
  35. converted_data = yaml.safe_load(data)
  36. else:
  37. logging.error(f"Unsupported output format: {output_format}")
  38. return None
  40. return yaml.dump(converted_data) # Convert back to string
  42. except json.JSONDecodeError as e:
  43. logging.error(f"Error decoding JSON: {e}")
  44. return None
  45. except yaml.YAMLError as e:
  46. logging.error(f"Error parsing YAML: {e}")
  47. return None
  48. except Exception as e:
  49. logging.error(f"An unexpected error occurred: {e}")
  50. return None
  53. if __name__ == '__main__':
  54. # Example Usage
  55. json_metadata = {"name": "Task 1", "status": "pending"}
  56. yaml_metadata = """
  57. name: Task 2
  58. status: completed
  59. """
  61. # Convert JSON to YAML
  62. converted_yaml = convert_metadata(json_metadata, 'json', 'yaml')
  63. if converted_yaml:
  64. print("Converted to YAML:")
  65. print(converted_yaml)
  67. # Convert YAML to JSON
  68. converted_json = convert_metadata(yaml_metadata, 'yaml', 'json')
  69. if converted_json:
  70. print("\nConverted to JSON:")
  71. print(converted_json)
  73. #Test invalid format
  74. converted_invalid = convert_metadata(json_metadata, 'invalid', 'yaml')
  75. if converted_invalid is None:
  76. print("\nInvalid format test passed")

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