kassandra/src/kassandra/config.py

52 lines
1.5 KiB
Python

"""
Config related tools.
"""
import dataclasses
import yaml
from typing import Optional
@dataclasses.dataclass
class Config:
username: str
homeserver: str
password: str
alert_rooms: list[str]
port: int = 8000
host: str = "127.0.0.1"
endpoint: str = "/webhook"
tls: bool = False
tls_auth: bool = False
tls_crt: Optional[str] = None
tls_key: Optional[str] = None
ca_crt: Optional[str] = None
default_template: Optional[str] = None
templates: dict[str, str] = dataclasses.field(default_factory=dict)
def check_integrity(self)->bool:
""" Check the integrity of the config.
Raise an error if the config is invalid,
should always return True (or raise an error).
"""
if self.tls_auth and not self.tls:
raise ValueError("tls_auth is enable, but not tls.")
if self.tls and self.tls_crt is None:
raise ValueError("tls is enable but tls_crt was not provided")
if self.tls and self.tls_key is None:
raise ValueError("tls is enable but tls_key was not provided")
if self.tls_auth and self.ca_crt is None:
raise ValueError("tls_auth is enable, but ca_crt was not provided")
return True
def load_config(file:str)->Config:
"""
Load the config from the config file.
"""
with open(file, 'r') as f:
data = yaml.load(f, Loader=yaml.loader.SafeLoader)
config = Config(**data)
config.check_integrity()
return config