ovdashboard/api/ovdashboard_api/config.py

59 lines
1.4 KiB
Python

from io import BytesIO
from typing import Any, Optional
from pydantic import BaseModel
from tomli import loads as toml_loads
from tomli_w import dump as toml_dump
from webdav3.exceptions import RemoteResourceNotFound
from .async_helpers import run_in_executor
from .dav_common import webdav_resource
from .dav_file import DavFile
class ImageConfig(BaseModel):
mode: str = "RGB"
save_params: dict[str, Any] = {
"format": "JPEG",
"quality": 85,
}
class Config(BaseModel):
ticker_separator: str = " +++ "
cache_seconds: int = 30
image: ImageConfig = ImageConfig()
__instance: Optional["Config"] = None
@classmethod
async def get(cls) -> "Config":
if cls.__instance is not None:
return cls.__instance
try:
dav_file = DavFile("config.txt")
cls.__instance = cls.parse_obj(
toml_loads(await dav_file.string)
)
except RemoteResourceNotFound:
cls.__instance = cls()
@run_in_executor
def create_conf() -> None:
buffer = BytesIO()
toml_dump(
cls.__instance.dict(),
buffer,
multiline_strings=True,
)
buffer.seek(0)
webdav_resource("config.txt").read_from(buffer)
await create_conf()
return cls.__instance