1. import configparser
  2. import logging
  3. import os
  5. # Configure logging
  6. logging.basicConfig(level=logging.DEBUG, format='%(asctime)s - %(levelname)s - %(message)s')
  9. def read_config(config_file):
  10. """Reads configuration from a file. Handles file not found.
  11. """
  12. config = configparser.ConfigParser()
  13. try:
  14. config.read(config_file)
  15. logging.debug(f"Successfully read configuration from: {config_file}")
  16. return config
  17. except FileNotFoundError:
  18. logging.error(f"Configuration file not found: {config_file}")
  19. return None
  20. except configparser.Error as e:
  21. logging.error(f"Error parsing configuration file {config_file}: {e}")
  22. return None
  25. def get_config_value(config, section, key):
  26. """Retrieves a value from the configuration. Handles missing sections/keys.
  27. """
  28. if config and config.has_section(section):
  29. value = config.get(section, key)
  30. logging.debug(f"Retrieved value '{value}' from section '{section}', key '{key}'")
  31. return value
  32. else:
  33. logging.warning(f"Section '{section}' or key '{key}' not found in configuration.")
  34. return None
  37. if __name__ == '__main__':
  38. # Example usage with development config file
  39. config_file = "config_dev.ini"
  41. # Create a dummy config file if it doesn't exist
  42. if not os.path.exists(config_file):
  43. with open(config_file, "w") as f:
  44. f.write("""
  45. [database]
  46. host = localhost
  47. port = 5432
  48. user = devuser
  49. password = devpassword
  51. [api]
  52. base_url = http://localhost:8000/api
  53. debug = True
  54. """)
  55. logging.info(f"Created dummy configuration file: {config_file}")
  57. config = read_config(config_file)
  59. if config:
  60. db_host = get_config_value(config, "database", "host")
  61. db_port = get_config_value(config, "database", "port")
  62. api_url = get_config_value(config, "api", "base_url")
  63. debug_mode = get_config_value(config, "api", "debug")
  65. logging.debug(f"Database Host: {db_host}")
  66. logging.debug(f"Database Port: {db_port}")
  67. logging.debug(f"API URL: {api_url}")
  68. logging.debug(f"Debug Mode: {debug_mode}")

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