1. import json
  2. import crome
  3. import pickle
  5. def deserialize_form_submission(data, version=None):
  6. """
  7. Deserializes form submission data, supporting different versions of the data format.
  9. Args:
  10. data (dict or str): The form submission data as a dictionary or JSON string.
  11. version (int, optional): The version of the data format. Defaults to None (auto-detect).
  13. Returns:
  14. dict: The deserialized form submission data. Returns None if deserialization fails.
  15. """
  16. try:
  17. if isinstance(data, str):
  18. # Attempt to parse from JSON
  19. try:
  20. data = json.loads(data)
  21. except json.JSONDecodeError:
  22. print("Error: Invalid JSON format.") # Log error
  23. return None
  25. if version is not None:
  26. # Version-specific deserialization
  27. if version == 1:
  28. return deserialize_v1(data)
  29. elif version == 2:
  30. return deserialize_v2(data)
  31. else:
  32. print(f"Error: Unsupported version {version}") # Log error
  33. return None
  34. else:
  35. # Auto-detect version
  36. if 'version' in data:
  37. version = data['version']
  38. if version == 1:
  39. return deserialize_v1(data)
  40. elif version == 2:
  41. return deserialize_v2(data)
  42. else:
  43. print(f"Error: Unsupported version {version}") # Log error
  44. return None
  45. else:
  46. # Assume version 1 if no version is specified
  47. return deserialize_v1(data)
  49. except Exception as e:
  50. print(f"Error during deserialization: {e}") # Log error
  51. return None
  54. def deserialize_v1(data):
  55. """Deserializes data for version 1."""
  56. try:
  57. return {
  58. 'timestamp': data.get('timestamp'),
  59. 'user_id': data.get('user_id'),
  60. 'form_data': data.get('form_data', {}) # Handle missing form_data
  61. }
  62. except Exception as e:
  63. print(f"Error deserializing v1 data: {e}") # Log error
  64. return None
  66. def deserialize_v2(data):
  67. """Deserializes data for version 2."""
  68. try:
  69. return {
  70. 'event_type': data.get('event_type'),
  71. 'details': data.get('details', {}), #Handle missing details
  72. 'metadata': data.get('metadata', {}) #Handle missing metadata
  73. }
  74. except Exception as e:
  75. print(f"Error deserializing v2 data: {e}") # Log error
  76. return None
  79. def deserialize_crome_pickle(data):
  80. """Deserializes data from crome pickle format."""
  81. try:
  82. return pickle.loads(data)
  83. except Exception as e:
  84. print(f"Error deserializing crome pickle data: {e}")
  85. return None
  87. if __name__ == '__main__':
  88. #Example Usage
  89. v1_data = {'version': 1, 'timestamp': '2023-10-27T10:00:00Z', 'user_id': 123, 'form_data': {'field1': 'value1'}}
  90. v2_data = {'version': 2, 'event_type': 'form_submit', 'details': {'form_id': 'form1'}, 'metadata': {'device': 'desktop'}}
  91. json_data = '{"timestamp": "2023-10-27T10:00:00Z", "user_id": 456, "form_data": {"field2": "value2"}}'
  92. pickle_data = b'\x80\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00

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