ovdashboard/api/ovdashboard_api/dav_file.py
2022-09-05 23:30:06 +02:00

51 lines
1.1 KiB
Python

import logging
from dataclasses import dataclass
from io import BytesIO
from typing import Any
from webdav3.client import Resource
from . import get_ttl_hash, run_in_executor, timed_alru_cache, webdav_resource
_logger = logging.getLogger(__name__)
@timed_alru_cache(maxsize=20)
async def _get_buffer(
remote_path: Any,
) -> BytesIO:
@run_in_executor
def _inner(resource: Resource) -> BytesIO:
_logger.info(f"updating {resource}")
print(f"updating {resource}")
buffer = BytesIO()
resource.write_to(buffer)
return buffer
resource = webdav_resource(remote_path)
return await _inner(resource)
@dataclass(frozen=True)
class DavFile:
remote_path: str
@property
async def __buffer(self) -> BytesIO:
return await _get_buffer(
ttl_hash=get_ttl_hash(),
remote_path=self.remote_path,
)
@property
async def bytes(self) -> bytes:
buffer = await self.__buffer
buffer.seek(0)
return buffer.read()
@property
async def string(self) -> str:
bytes = await self.bytes
return bytes.decode(encoding="utf-8")