1. import json
  3. def load_data(filepath):
  4. """Loads data from a JSON file."""
  5. try:
  6. with open(filepath, 'r') as f:
  7. data = json.load(f)
  8. return data
  9. except FileNotFoundError:
  10. print(f"Error: File not found at {filepath}")
  11. return None
  12. except json.JSONDecodeError:
  13. print(f"Error: Invalid JSON format in {filepath}")
  14. return None
  16. def process_data(data):
  17. """Processes the loaded data with manual overrides."""
  18. if data is None:
  19. return None
  21. processed_data = []
  22. for item in data:
  23. #Example processing, replace with your actual logic
  24. processed_item = item.copy() #Avoid modifying original data
  26. #Manual override example:
  27. if 'value' in processed_item and processed_item['value'] < 0:
  28. processed_item['value'] = abs(processed_item['value'])
  30. processed_data.append(processed_item)
  31. return processed_data
  33. def save_data(data, filepath):
  34. """Saves the processed data to a JSON file."""
  35. if data is None:
  36. return
  38. try:
  39. with open(filepath, 'w') as f:
  40. json.dump(data, f, indent=4) # indent for readability
  41. print(f"Data saved to {filepath}")
  42. except Exception as e:
  43. print(f"Error saving data: {e}")
  45. if __name__ == "__main__":
  46. data_filepath = 'data.json' # Replace with your data file
  47. output_filepath = 'processed_data.json'
  49. data = load_data(data_filepath)
  50. if data:
  51. processed_data = process_data(data)
  52. save_data(processed_data, output_filepath)

Add your comment