1. import configparser
  3. def filter_config(config_file, filter_criteria):
  4. """
  5. Filters data from a configuration file based on specified criteria.
  7. Args:
  8. config_file (str): Path to the configuration file.
  9. filter_criteria (dict): A dictionary specifying the filter criteria.
  10. Keys are section names, and values are lists of key-value pairs to keep.
  12. Returns:
  13. dict: A dictionary containing the filtered configuration data. Returns an empty dictionary if the file doesn't exist.
  14. """
  15. config = configparser.ConfigParser()
  16. try:
  17. config.read(config_file)
  18. except configparser.Error:
  19. print(f"Error reading config file: {config_file}")
  20. return {}
  22. filtered_data = {}
  24. for section in config.sections():
  25. if section in filter_criteria:
  26. filtered_data[section] = {}
  27. for key, value in filter_criteria[section]:
  28. if key in config[section] and config[section][key] == value:
  29. filtered_data[section][key] = config[section][key]
  31. return filtered_data

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