1. import re
  3. def deserialize_headers(header_string):
  4. """
  5. Deserializes a string of response headers into a dictionary.
  6. Handles multiple headers separated by newlines or semicolons.
  7. """
  8. headers = {}
  9. if not header_string:
  10. return headers
  12. header_list = re.split(r'\n|;', header_string) # Split by newline or semicolon
  13. for header in header_list:
  14. header = header.strip()
  15. if not header:
  16. continue
  18. if ' ' in header: # Handle headers with key-value separated by space
  19. try:
  20. key, value = header.split(' ', 1) #split only once
  21. headers[key] = value
  22. except ValueError:
  23. headers[header] = "" #handle cases where split fails
  25. else:
  26. headers[header] = "" # handle cases where there is only a key
  30. return headers
  32. if __name__ == '__main__':
  33. # Example Usage:
  34. header_string = """
  35. Content-Type: application/json
  36. Authorization: Bearer <token>
  37. X-Custom-Header: some_value; another_value
  38. """
  39. deserialized_headers = deserialize_headers(header_string)
  40. print(deserialized_headers)
  42. header_string2 = "Content-Type: text/plain\nUser-Agent: MyAgent"
  43. deserialized_headers2 = deserialize_headers(header_string2)
  44. print(deserialized_headers2)
  46. header_string3 = "Header1 Header2"
  47. deserialized_headers3 = deserialize_headers(header_string3)
  48. print(deserialized_headers3)

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