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79 lines
2.0 KiB
Python
79 lines
2.0 KiB
Python
"""FastAPI application for image generation"""
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import logging
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import os.path
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import sys
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import traceback
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from asyncio import Lock
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from fastapi import FastAPI, Query, Request
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from fastapi.concurrency import run_in_threadpool
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import FileResponse, JSONResponse, StreamingResponse
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from fastapi.staticfiles import StaticFiles
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from imaginairy.http_app.stablestudio import routes
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from imaginairy.http_app.utils import generate_image
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from imaginairy.schema import ImaginePrompt
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logger = logging.getLogger(__name__)
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static_folder = os.path.dirname(os.path.abspath(__file__)) + "/stablestudio/dist"
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gpu_lock = Lock()
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app = FastAPI()
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app.add_middleware(
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CORSMiddleware,
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allow_origins=[
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"http://localhost:3000",
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"http://localhost:3001",
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"http://localhost:3002",
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],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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app.include_router(routes.router, prefix="/api/stablestudio")
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@app.post("/api/imagine")
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async def imagine_endpoint(prompt: ImaginePrompt):
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async with gpu_lock:
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img_io = await run_in_threadpool(generate_image, prompt)
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return StreamingResponse(img_io, media_type="image/jpg")
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@app.get("/api/imagine")
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async def imagine_get_endpoint(text: str = Query(...)):
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async with gpu_lock:
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img_io = await run_in_threadpool(generate_image, ImaginePrompt(prompt=text))
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return StreamingResponse(img_io, media_type="image/jpg")
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@app.get("/edit")
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async def edit_redir():
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return FileResponse(f"{static_folder}/index.html")
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@app.get("/generate")
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async def generate_redir():
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return FileResponse(f"{static_folder}/index.html")
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app.mount("/", StaticFiles(directory=static_folder, html=True), name="static")
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@app.exception_handler(Exception)
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async def exception_handler(request: Request, exc: Exception):
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print(f"Unhandled error: {exc}", file=sys.stderr)
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traceback.print_exc(file=sys.stderr)
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return JSONResponse(
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status_code=500,
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content={"message": "Internal Server Error"},
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)
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