1. import configparser
  2. import sys
  4. def load_config(config_file):
  5. """Loads configuration from a file, suppressing errors."""
  6. config = configparser.ConfigParser()
  7. try:
  8. config.read(config_file)
  9. except Exception as e:
  10. print(f"Error loading config file {config_file}: {e}", file=sys.stderr)
  11. return None # Or raise, depending on desired behavior
  12. return config
  14. def get_config_value(config, section, key, default=None):
  15. """Retrieves a value from the config, returning a default if not found."""
  16. try:
  17. value = config[section][key]
  18. return value
  19. except KeyError:
  20. return default
  22. def main():
  23. """Main function to demonstrate configuration loading and usage."""
  24. config_file = "config.ini" # Replace with your config file
  26. config = load_config(config_file)
  28. if config:
  29. # Example usage:
  30. db_host = get_config_value(config, "database", "host")
  31. db_port = get_config_value(config, "database", "port", 5432) #default value
  32. log_level = get_config_value(config, "logging", "level", "INFO")
  34. print(f"Database Host: {db_host}")
  35. print(f"Database Port: {db_port}")
  36. print(f"Log Level: {log_level}")
  38. if __name__ == "__main__":
  39. main()

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