55 lines
2 KiB
Python
55 lines
2 KiB
Python
import yaml
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import platformdirs
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from pathlib import Path
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import constants
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from log_setup import logger
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class DBConfig:
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def __init__(self, db_name: str, db_user: str, db_pass: str):
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self.db_name = db_name
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self.db_user = db_user
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self.db_pass = db_pass
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def read_db_config() -> DBConfig:
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"""
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Reads the DB connection parameters from the config file.
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"""
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config_dir = Path(platformdirs.user_config_dir(constants.APP_NAME, ensure_exists=True))
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config_path = config_dir / constants.DB_CONFIG_FILE_NAME
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logger.verbose("DB Configuration read from file {}".format(config_path))
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if config_path.exists():
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with open(config_path, "r") as f:
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config = yaml.safe_load(f)
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db_name = config.get('dbname', None)
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db_user = config.get('dbuser', None)
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db_pass = config.get('dbpass', None)
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if db_name is None:
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logger.debug("Falling back to default DB name {}".format(constants.DEFAULT_DB_NAME))
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db_name = constants.DEFAULT_DB_NAME
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if db_user is None:
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logger.debug("Falling back to default DB user {}".format(constants.DEFAULT_DB_USER))
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db_user = constants.DEFAULT_DB_USER
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if db_pass is None:
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logger.debug("Falling back to default DB pass {}".format(constants.DEFAULT_DB_PASS))
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db_pass = constants.DEFAULT_DB_PASS
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logger.debug("Read config values (dbname={}, dbuser={}, dbpass={})".format(db_name, db_user, db_pass))
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return DBConfig(db_name, db_user, db_pass)
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else:
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logger.info(
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"No configuration file for database connection found, falling back to default values "
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"(dbname={}, dbuser={}, dbpass={}).".format(
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constants.DEFAULT_DB_NAME, constants.DEFAULT_DB_USER, constants.DEFAULT_DB_PASS
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)
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)
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logger.info(
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"Note: To turn off this message, create a config file at {}".format(config_path)
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)
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return DBConfig(constants.DEFAULT_DB_NAME, constants.DEFAULT_DB_USER, constants.DEFAULT_DB_PASS)
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