forked from open-webui/open-webui
161 lines
4.1 KiB
Python
161 lines
4.1 KiB
Python
import os
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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 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 config import AUTOMATIC1111_BASE_URL
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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.AUTOMATIC1111_BASE_URL = AUTOMATIC1111_BASE_URL
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app.state.ENABLED = app.state.AUTOMATIC1111_BASE_URL != ""
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@app.get("/enabled", response_model=bool)
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async def get_enable_status(request: Request, user=Depends(get_admin_user)):
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return app.state.ENABLED
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@app.get("/enabled/toggle", response_model=bool)
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async def toggle_enabled(request: Request, user=Depends(get_admin_user)):
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app.state.ENABLED = not app.state.ENABLED
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return app.state.ENABLED
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class UrlUpdateForm(BaseModel):
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url: str
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@app.get("/url")
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async def get_openai_url(user=Depends(get_admin_user)):
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return {"AUTOMATIC1111_BASE_URL": app.state.AUTOMATIC1111_BASE_URL}
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@app.post("/url/update")
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async def update_openai_url(form_data: UrlUpdateForm, user=Depends(get_admin_user)):
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try:
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r = requests.head(form_data.url)
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if r.ok:
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app.state.AUTOMATIC1111_BASE_URL = form_data.url.strip("/")
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return {
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"AUTOMATIC1111_BASE_URL": app.state.AUTOMATIC1111_BASE_URL,
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"status": True,
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}
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except Exception as e:
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raise HTTPException(status_code=r.status_code, detail=ERROR_MESSAGES.DEFAULT(e))
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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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r = requests.get(url=f"{app.state.AUTOMATIC1111_BASE_URL}/sdapi/v1/sd-models")
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models = r.json()
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return models
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except Exception as e:
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raise HTTPException(status_code=r.status_code, 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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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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raise HTTPException(status_code=r.status_code, 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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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: str = "512x512"
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negative_prompt: Optional[str] = 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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print(form_data)
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try:
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if form_data.model:
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set_model_handler(form_data.model)
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width, height = tuple(map(int, form_data.size.split("x")))
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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 form_data.negative_prompt != None:
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data["negative_prompt"] = form_data.negative_prompt
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print(data)
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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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return r.json()
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except Exception as e:
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print(e)
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raise HTTPException(status_code=r.status_code, detail=ERROR_MESSAGES.DEFAULT(e))
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