107 lines
2.4 KiB
Python
107 lines
2.4 KiB
Python
"""
|
|
Router "image" provides:
|
|
|
|
- listing image files
|
|
- finding image files by name prefix
|
|
- getting image files in a uniform format by name prefix
|
|
"""
|
|
|
|
import re
|
|
from io import BytesIO
|
|
from logging import getLogger
|
|
|
|
from fastapi import APIRouter, Depends
|
|
from fastapi.responses import StreamingResponse
|
|
from PIL import Image
|
|
|
|
from ...core.config import Config, ImageUIConfig, get_config
|
|
from ...core.dav_common import webdav_ensure_files, webdav_ensure_path
|
|
from ...core.webdav import WebDAV
|
|
from ._common import filter_prefix, filter_prefix_unique, get_remote_path, list_files
|
|
|
|
_logger = getLogger(__name__)
|
|
_PATH_NAME = "image_dir"
|
|
|
|
router = APIRouter(prefix="/image", tags=["image"])
|
|
|
|
_ls = list_files(
|
|
path_name=_PATH_NAME,
|
|
re=re.compile(
|
|
r"\.(gif|jpe?g|tiff?|png|bmp)$",
|
|
flags=re.IGNORECASE,
|
|
),
|
|
)
|
|
|
|
_rp = get_remote_path(path_name=_PATH_NAME)
|
|
_fp = filter_prefix(_ls.func)
|
|
_fpu = filter_prefix_unique(_fp.func)
|
|
|
|
|
|
@router.on_event("startup")
|
|
async def start_router() -> None:
|
|
_logger.debug(f"{router.prefix} router starting.")
|
|
|
|
remote_path = await _rp.func()
|
|
if not webdav_ensure_path(remote_path):
|
|
webdav_ensure_files(
|
|
remote_path,
|
|
"img1.jpg",
|
|
"img2.jpg",
|
|
"img3.jpg",
|
|
)
|
|
|
|
|
|
@router.get(
|
|
"/list",
|
|
response_model=list[str],
|
|
responses=_ls.responses,
|
|
)
|
|
async def list_all_images(
|
|
names: list[str] = Depends(_ls.func),
|
|
) -> list[str]:
|
|
return names
|
|
|
|
|
|
@router.get(
|
|
"/find/{prefix}",
|
|
response_model=list[str],
|
|
responses=_fp.responses,
|
|
)
|
|
async def find_images_by_prefix(
|
|
names: list[str] = Depends(_fp.func),
|
|
) -> list[str]:
|
|
return names
|
|
|
|
|
|
@router.get(
|
|
"/get/{prefix}",
|
|
response_class=StreamingResponse,
|
|
responses=_fpu.responses,
|
|
)
|
|
async def get_image_by_prefix(
|
|
prefix: str,
|
|
remote_path: str = Depends(_rp.func),
|
|
name: str = Depends(_fpu.func),
|
|
) -> StreamingResponse:
|
|
cfg = await get_config()
|
|
img = Image.open(BytesIO(await WebDAV.read_bytes(f"{remote_path}/{name}")))
|
|
|
|
img_buffer = BytesIO()
|
|
img.save(img_buffer, **cfg.image.save_params)
|
|
img_buffer.seek(0)
|
|
|
|
return StreamingResponse(
|
|
content=img_buffer,
|
|
media_type="image/jpeg",
|
|
headers={"Content-Disposition": f"filename={prefix}.jpg"},
|
|
)
|
|
|
|
|
|
@router.get(
|
|
"/config",
|
|
response_model=ImageUIConfig,
|
|
)
|
|
async def get_ui_config(
|
|
cfg: Config = Depends(get_config),
|
|
) -> ImageUIConfig:
|
|
return cfg.image
|