1
0
PiggyBank/piggybank/configuration.py

50 lines
1.6 KiB
Python

"""An implementation of a simple key=value configuration."""
from os import getenv
from os.path import exists, join
from platform import system
from typing import Union
__all__ = ["Configuration", "get_configuration_path"]
def get_configuration_path():
if system() == "Linux":
return getenv("XDG_CONFIG_HOME") or f"{getenv('HOME')}/.config"
elif system() == "Windows":
return getenv("APPDATA")
DEFAULT_CONFIGURATION = {
"default-currency": "SRUB"
}
DEFAULT_CONFIGURATION_FILE = join(get_configuration_path(), "piggybank.conf")
class Configuration:
def __init__(self, configuration_file: str = DEFAULT_CONFIGURATION_FILE,
default_configuration: dict = DEFAULT_CONFIGURATION) -> None:
self._configuration_file = configuration_file
self._configuration = dict()
if exists(self._configuration_file):
self.load()
elif not default_configuration is None:
self._configuration = default_configuration
self.save()
def load(self) -> None:
for line in open(self._configuration_file, 'r'):
key, value = line[:-1].split(" = ")
self._configuration[key] = value
def save(self) -> None:
with open(self._configuration_file, 'w') as cf:
for key, value in self._configuration.items():
cf.write(f"{key} = {value}\n")
def __getitem__(self, key: str) -> Union[int, str, bool]:
return self._configuration[key]
def __setitem__(self, key: str, value: Union[int, str, bool]) -> None:
self._configuration[key] = value