def load_app_config(config_path: PathLike) -> None:
"""Loads the configuration of the application.
Args:
config_path (PathLike): The path to config file.
Returns:
None
Raises:
SystemExit: Config file is unreadable.
"""
TypeCheck.ensure_path_like(config_path, "config_path")
try:
with open(config_path) as fp:
# De-serialise JSON to Python's dict and update
config = Config.from_dict(json.load(fp))
config.apply_core_patch(DefaultCoreConfig)
make_config_global(config)
except FileNotFoundError:
logger.warning("Config file not found! Auto-configuring...", exc_info=True)
make_config_global(Config())
except OSError:
logger.exception("Unable to load config file due to unknown reason(s)!")
sys.exit(1)
def test_ensure_path_like():
assert TypeCheck.ensure_path_like("") is None
assert TypeCheck.ensure_path_like(b"") is None
from pathlib import Path
assert TypeCheck.ensure_path_like(Path("hello")) is None
with pytest.raises(TypeError):
TypeCheck.ensure_path_like(1)
def save_app_config(config: Config, config_path: PathLike) -> None:
"""Saves the configuration of the application.
Args:
config (Config): The global Config instance
config_path (PathLike): The path to config file
Returns:
None
Raises:
SystemExit: Config file is not writable.
"""
TypeCheck.ensure_path_like(config_path, "config_path")
try:
with open(config_path, "w") as fp:
json.dump(config.__dict__(), fp)
except OSError:
logger.exception("Unable to save config file due to unknown reason(s)!")
sys.exit(1)
