ovdashboard/api/ovdashboard_api/config.py

90 lines
2.2 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 LogConfig(BaseModel):
"""
https://stackoverflow.com/a/67937084
Logging configuration to be set for the server
"""
LOG_FORMAT: str = "%(levelprefix)s [%(asctime)s] %(name)s: %(message)s"
LOG_LEVEL: str = "DEBUG"
# Logging config
version = 1
disable_existing_loggers = False
formatters = {
"default": {
"()": "uvicorn.logging.DefaultFormatter",
"fmt": LOG_FORMAT,
"datefmt": "%Y-%m-%d %H:%M:%S",
},
}
handlers = {
"default": {
"formatter": "default",
"class": "logging.StreamHandler",
"stream": "ext://sys.stderr",
},
}
loggers = {
"ovdashboard_api": {"handlers": ["default"], "level": LOG_LEVEL},
}
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