Toot-Mastodon-CLI-TUI-clien.../toot/settings.py

62 lines
1.4 KiB
Python

from functools import lru_cache
from os.path import exists, join
from tomlkit import parse
from toot import get_config_dir
from typing import Optional, Type, TypeVar
DISABLE_SETTINGS = False
TOOT_SETTINGS_FILE_NAME = "settings.toml"
def get_settings_path():
return join(get_config_dir(), TOOT_SETTINGS_FILE_NAME)
def _load_settings() -> dict:
# Used for testing without config file
if DISABLE_SETTINGS:
return {}
path = get_settings_path()
if not exists(path):
return {}
with open(path) as f:
return parse(f.read())
@lru_cache(maxsize=None)
def get_settings():
return _load_settings()
T = TypeVar("T")
def get_setting(key: str, type: Type[T], default: Optional[T] = None) -> Optional[T]:
"""
Get a setting value. The key should be a dot-separated string,
e.g. "commands.post.editor" which will correspond to the "editor" setting
inside the `[commands.post]` section.
"""
settings = get_settings()
return _get_setting(settings, key.split("."), type, default)
def _get_setting(dct, keys, type: Type, default=None):
if len(keys) == 0:
if isinstance(dct, type):
return dct
else:
# TODO: warn? cast? both?
return default
key = keys[0]
if isinstance(dct, dict) and key in dct:
return _get_setting(dct[key], keys[1:], type, default)
return default