mirror of
https://github.com/open-webui/open-webui
synced 2024-11-25 05:18:15 +00:00
144c9059a3
Add COMFYUI and WEBHOOK logging and associated environment variable control. Add WEBHOOK payload & request debug logs.
460 lines
12 KiB
Python
460 lines
12 KiB
Python
import re
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import requests
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from fastapi import (
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FastAPI,
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Request,
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Depends,
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HTTPException,
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status,
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UploadFile,
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File,
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Form,
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)
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from fastapi.middleware.cors import CORSMiddleware
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from faster_whisper import WhisperModel
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from constants import ERROR_MESSAGES
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from utils.utils import (
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get_current_user,
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get_admin_user,
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)
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from apps.images.utils.comfyui import ImageGenerationPayload, comfyui_generate_image
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from utils.misc import calculate_sha256
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from typing import Optional
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from pydantic import BaseModel
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from pathlib import Path
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import uuid
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import base64
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import json
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import logging
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from config import SRC_LOG_LEVELS, CACHE_DIR, AUTOMATIC1111_BASE_URL, COMFYUI_BASE_URL
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log = logging.getLogger(__name__)
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log.setLevel(SRC_LOG_LEVELS["IMAGES"])
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IMAGE_CACHE_DIR = Path(CACHE_DIR).joinpath("./image/generations/")
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IMAGE_CACHE_DIR.mkdir(parents=True, exist_ok=True)
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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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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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app.state.ENGINE = ""
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app.state.ENABLED = False
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app.state.OPENAI_API_KEY = ""
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app.state.MODEL = ""
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app.state.AUTOMATIC1111_BASE_URL = AUTOMATIC1111_BASE_URL
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app.state.COMFYUI_BASE_URL = COMFYUI_BASE_URL
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app.state.IMAGE_SIZE = "512x512"
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app.state.IMAGE_STEPS = 50
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@app.get("/config")
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async def get_config(request: Request, user=Depends(get_admin_user)):
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return {"engine": app.state.ENGINE, "enabled": app.state.ENABLED}
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class ConfigUpdateForm(BaseModel):
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engine: str
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enabled: bool
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@app.post("/config/update")
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async def update_config(form_data: ConfigUpdateForm, user=Depends(get_admin_user)):
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app.state.ENGINE = form_data.engine
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app.state.ENABLED = form_data.enabled
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return {"engine": app.state.ENGINE, "enabled": app.state.ENABLED}
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class EngineUrlUpdateForm(BaseModel):
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AUTOMATIC1111_BASE_URL: Optional[str] = None
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COMFYUI_BASE_URL: Optional[str] = None
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@app.get("/url")
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async def get_engine_url(user=Depends(get_admin_user)):
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return {
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"AUTOMATIC1111_BASE_URL": app.state.AUTOMATIC1111_BASE_URL,
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"COMFYUI_BASE_URL": app.state.COMFYUI_BASE_URL,
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}
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@app.post("/url/update")
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async def update_engine_url(
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form_data: EngineUrlUpdateForm, user=Depends(get_admin_user)
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):
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if form_data.AUTOMATIC1111_BASE_URL == None:
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app.state.AUTOMATIC1111_BASE_URL = AUTOMATIC1111_BASE_URL
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else:
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url = form_data.AUTOMATIC1111_BASE_URL.strip("/")
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try:
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r = requests.head(url)
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app.state.AUTOMATIC1111_BASE_URL = url
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except Exception as e:
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raise HTTPException(status_code=400, detail=ERROR_MESSAGES.DEFAULT(e))
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if form_data.COMFYUI_BASE_URL == None:
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app.state.COMFYUI_BASE_URL = COMFYUI_BASE_URL
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else:
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url = form_data.COMFYUI_BASE_URL.strip("/")
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try:
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r = requests.head(url)
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app.state.COMFYUI_BASE_URL = url
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except Exception as e:
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raise HTTPException(status_code=400, detail=ERROR_MESSAGES.DEFAULT(e))
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return {
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"AUTOMATIC1111_BASE_URL": app.state.AUTOMATIC1111_BASE_URL,
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"COMFYUI_BASE_URL": app.state.COMFYUI_BASE_URL,
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"status": True,
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}
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class OpenAIKeyUpdateForm(BaseModel):
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key: str
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@app.get("/key")
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async def get_openai_key(user=Depends(get_admin_user)):
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return {"OPENAI_API_KEY": app.state.OPENAI_API_KEY}
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@app.post("/key/update")
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async def update_openai_key(
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form_data: OpenAIKeyUpdateForm, user=Depends(get_admin_user)
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):
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if form_data.key == "":
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raise HTTPException(status_code=400, detail=ERROR_MESSAGES.API_KEY_NOT_FOUND)
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app.state.OPENAI_API_KEY = form_data.key
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return {
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"OPENAI_API_KEY": app.state.OPENAI_API_KEY,
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"status": True,
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}
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class ImageSizeUpdateForm(BaseModel):
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size: str
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@app.get("/size")
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async def get_image_size(user=Depends(get_admin_user)):
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return {"IMAGE_SIZE": app.state.IMAGE_SIZE}
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@app.post("/size/update")
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async def update_image_size(
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form_data: ImageSizeUpdateForm, user=Depends(get_admin_user)
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):
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pattern = r"^\d+x\d+$" # Regular expression pattern
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if re.match(pattern, form_data.size):
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app.state.IMAGE_SIZE = form_data.size
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return {
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"IMAGE_SIZE": app.state.IMAGE_SIZE,
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"status": True,
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}
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else:
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raise HTTPException(
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status_code=400,
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detail=ERROR_MESSAGES.INCORRECT_FORMAT(" (e.g., 512x512)."),
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)
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class ImageStepsUpdateForm(BaseModel):
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steps: int
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@app.get("/steps")
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async def get_image_size(user=Depends(get_admin_user)):
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return {"IMAGE_STEPS": app.state.IMAGE_STEPS}
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@app.post("/steps/update")
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async def update_image_size(
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form_data: ImageStepsUpdateForm, user=Depends(get_admin_user)
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):
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if form_data.steps >= 0:
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app.state.IMAGE_STEPS = form_data.steps
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return {
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"IMAGE_STEPS": app.state.IMAGE_STEPS,
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"status": True,
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}
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else:
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raise HTTPException(
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status_code=400,
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detail=ERROR_MESSAGES.INCORRECT_FORMAT(" (e.g., 50)."),
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)
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@app.get("/models")
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def get_models(user=Depends(get_current_user)):
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try:
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if app.state.ENGINE == "openai":
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return [
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{"id": "dall-e-2", "name": "DALL·E 2"},
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{"id": "dall-e-3", "name": "DALL·E 3"},
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]
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elif app.state.ENGINE == "comfyui":
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r = requests.get(url=f"{app.state.COMFYUI_BASE_URL}/object_info")
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info = r.json()
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return list(
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map(
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lambda model: {"id": model, "name": model},
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info["CheckpointLoaderSimple"]["input"]["required"]["ckpt_name"][0],
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)
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)
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else:
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r = requests.get(
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url=f"{app.state.AUTOMATIC1111_BASE_URL}/sdapi/v1/sd-models"
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)
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models = r.json()
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return list(
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map(
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lambda model: {"id": model["title"], "name": model["model_name"]},
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models,
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)
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)
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except Exception as e:
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app.state.ENABLED = False
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raise HTTPException(status_code=400, detail=ERROR_MESSAGES.DEFAULT(e))
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@app.get("/models/default")
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async def get_default_model(user=Depends(get_admin_user)):
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try:
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if app.state.ENGINE == "openai":
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return {"model": app.state.MODEL if app.state.MODEL else "dall-e-2"}
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elif app.state.ENGINE == "comfyui":
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return {"model": app.state.MODEL if app.state.MODEL else ""}
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else:
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r = requests.get(url=f"{app.state.AUTOMATIC1111_BASE_URL}/sdapi/v1/options")
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options = r.json()
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return {"model": options["sd_model_checkpoint"]}
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except Exception as e:
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app.state.ENABLED = False
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raise HTTPException(status_code=400, detail=ERROR_MESSAGES.DEFAULT(e))
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class UpdateModelForm(BaseModel):
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model: str
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def set_model_handler(model: str):
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if app.state.ENGINE == "openai":
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app.state.MODEL = model
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return app.state.MODEL
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if app.state.ENGINE == "comfyui":
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app.state.MODEL = model
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return app.state.MODEL
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else:
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r = requests.get(url=f"{app.state.AUTOMATIC1111_BASE_URL}/sdapi/v1/options")
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options = r.json()
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if model != options["sd_model_checkpoint"]:
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options["sd_model_checkpoint"] = model
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r = requests.post(
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url=f"{app.state.AUTOMATIC1111_BASE_URL}/sdapi/v1/options", json=options
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)
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return options
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@app.post("/models/default/update")
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def update_default_model(
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form_data: UpdateModelForm,
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user=Depends(get_current_user),
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):
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return set_model_handler(form_data.model)
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class GenerateImageForm(BaseModel):
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model: Optional[str] = None
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prompt: str
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n: int = 1
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size: Optional[str] = None
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negative_prompt: Optional[str] = None
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def save_b64_image(b64_str):
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image_id = str(uuid.uuid4())
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file_path = IMAGE_CACHE_DIR.joinpath(f"{image_id}.png")
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try:
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# Split the base64 string to get the actual image data
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img_data = base64.b64decode(b64_str)
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# Write the image data to a file
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with open(file_path, "wb") as f:
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f.write(img_data)
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return image_id
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except Exception as e:
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log.error(f"Error saving image: {e}")
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return None
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def save_url_image(url):
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image_id = str(uuid.uuid4())
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file_path = IMAGE_CACHE_DIR.joinpath(f"{image_id}.png")
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try:
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r = requests.get(url)
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r.raise_for_status()
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with open(file_path, "wb") as image_file:
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image_file.write(r.content)
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return image_id
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except Exception as e:
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log.exception(f"Error saving image: {e}")
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return None
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@app.post("/generations")
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def generate_image(
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form_data: GenerateImageForm,
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user=Depends(get_current_user),
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):
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width, height = tuple(map(int, app.state.IMAGE_SIZE.split("x")))
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r = None
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try:
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if app.state.ENGINE == "openai":
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headers = {}
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headers["Authorization"] = f"Bearer {app.state.OPENAI_API_KEY}"
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headers["Content-Type"] = "application/json"
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data = {
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"model": app.state.MODEL if app.state.MODEL != "" else "dall-e-2",
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"prompt": form_data.prompt,
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"n": form_data.n,
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"size": form_data.size if form_data.size else app.state.IMAGE_SIZE,
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"response_format": "b64_json",
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}
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r = requests.post(
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url=f"https://api.openai.com/v1/images/generations",
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json=data,
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headers=headers,
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)
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r.raise_for_status()
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res = r.json()
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images = []
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for image in res["data"]:
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image_id = save_b64_image(image["b64_json"])
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images.append({"url": f"/cache/image/generations/{image_id}.png"})
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file_body_path = IMAGE_CACHE_DIR.joinpath(f"{image_id}.json")
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with open(file_body_path, "w") as f:
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json.dump(data, f)
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return images
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elif app.state.ENGINE == "comfyui":
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data = {
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"prompt": form_data.prompt,
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"width": width,
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"height": height,
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"n": form_data.n,
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}
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if app.state.IMAGE_STEPS != None:
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data["steps"] = app.state.IMAGE_STEPS
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if form_data.negative_prompt != None:
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data["negative_prompt"] = form_data.negative_prompt
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data = ImageGenerationPayload(**data)
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res = comfyui_generate_image(
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app.state.MODEL,
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data,
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user.id,
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app.state.COMFYUI_BASE_URL,
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)
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log.debug(f"res: {res}")
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images = []
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for image in res["data"]:
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image_id = save_url_image(image["url"])
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images.append({"url": f"/cache/image/generations/{image_id}.png"})
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file_body_path = IMAGE_CACHE_DIR.joinpath(f"{image_id}.json")
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with open(file_body_path, "w") as f:
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json.dump(data.model_dump(exclude_none=True), f)
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log.debug(f"images: {images}")
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return images
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else:
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if form_data.model:
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set_model_handler(form_data.model)
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data = {
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"prompt": form_data.prompt,
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"batch_size": form_data.n,
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"width": width,
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"height": height,
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}
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if app.state.IMAGE_STEPS != None:
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data["steps"] = app.state.IMAGE_STEPS
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if form_data.negative_prompt != None:
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data["negative_prompt"] = form_data.negative_prompt
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r = requests.post(
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url=f"{app.state.AUTOMATIC1111_BASE_URL}/sdapi/v1/txt2img",
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json=data,
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)
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res = r.json()
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log.debug(f"res: {res}")
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images = []
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for image in res["images"]:
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image_id = save_b64_image(image)
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images.append({"url": f"/cache/image/generations/{image_id}.png"})
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file_body_path = IMAGE_CACHE_DIR.joinpath(f"{image_id}.json")
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with open(file_body_path, "w") as f:
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json.dump({**data, "info": res["info"]}, f)
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return images
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except Exception as e:
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error = e
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if r != None:
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data = r.json()
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if "error" in data:
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error = data["error"]["message"]
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raise HTTPException(status_code=400, detail=ERROR_MESSAGES.DEFAULT(error))
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