97 lines
2.3 KiB
Python
97 lines
2.3 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 logging
|
|
from io import BytesIO
|
|
|
|
from fastapi import APIRouter, Depends
|
|
from fastapi.responses import StreamingResponse
|
|
from PIL import Image
|
|
|
|
from ...core.config import Config, ImageUIConfig
|
|
from ...core.dav.webdav import WebDAV
|
|
from ...core.dav_common import webdav_ensure_files, webdav_ensure_path
|
|
from ._common import LM_IMAGE, RP_IMAGE, get_config
|
|
|
|
_logger = logging.getLogger(__name__)
|
|
|
|
router = APIRouter(prefix="/image", tags=["image"])
|
|
|
|
|
|
@router.on_event("startup")
|
|
async def start_router() -> None:
|
|
_logger.debug(f"{router.prefix} router starting.")
|
|
|
|
remote_path = await RP_IMAGE()
|
|
if not webdav_ensure_path(remote_path):
|
|
webdav_ensure_files(
|
|
remote_path,
|
|
"img1.jpg",
|
|
"img2.jpg",
|
|
"img3.jpg",
|
|
)
|
|
|
|
|
|
@router.get(
|
|
"/list",
|
|
responses=LM_IMAGE.lister.responses,
|
|
)
|
|
async def list_images(
|
|
names: list[str] = Depends(LM_IMAGE.lister.func),
|
|
) -> list[str]:
|
|
return names
|
|
|
|
|
|
@router.get(
|
|
"/find/{prefix}",
|
|
responses=LM_IMAGE.filter.responses,
|
|
)
|
|
async def find_images_by_prefix(
|
|
names: list[str] = Depends(LM_IMAGE.filter.func),
|
|
) -> list[str]:
|
|
return names
|
|
|
|
|
|
@router.get(
|
|
"/get/{prefix}",
|
|
responses=LM_IMAGE.getter.responses,
|
|
response_class=StreamingResponse,
|
|
)
|
|
async def get_image_by_prefix(
|
|
cfg: Config = Depends(get_config),
|
|
remote_path: str = Depends(RP_IMAGE),
|
|
name: str = Depends(LM_IMAGE.getter.func),
|
|
) -> StreamingResponse:
|
|
img = Image.open(BytesIO(await WebDAV.read_bytes(f"{remote_path}/{name}")))
|
|
|
|
img_buffer = BytesIO()
|
|
|
|
width, height = img.size
|
|
target_height = cfg.image.height
|
|
target_width = int(width * target_height / height)
|
|
|
|
img = img.resize(
|
|
size=(target_width, target_height),
|
|
resample=Image.LANCZOS,
|
|
)
|
|
|
|
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={name}.jpg"},
|
|
)
|
|
|
|
|
|
@router.get("/config")
|
|
async def get_ui_config(
|
|
cfg: Config = Depends(get_config),
|
|
) -> ImageUIConfig:
|
|
return cfg.image
|