forked from open-webui/open-webui
Merge branch 'dev' into feat/cancel-model-download
This commit is contained in:
Timothy Jaeryang Baek
GitHub
commit
3e0d9ad74f
15 changed files with 2355 additions and 369 deletions
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@ -1,23 +1,39 @@
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from fastapi import FastAPI, Request, Response, HTTPException, Depends, status
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from fastapi import (
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FastAPI,
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Request,
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Response,
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HTTPException,
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Depends,
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status,
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UploadFile,
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File,
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BackgroundTasks,
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)
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import StreamingResponse
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from fastapi.concurrency import run_in_threadpool
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from pydantic import BaseModel, ConfigDict
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import os
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import copy
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import random
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import requests
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import json
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import uuid
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import aiohttp
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import asyncio
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from urllib.parse import urlparse
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from typing import Optional, List, Union
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from apps.web.models.users import Users
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from constants import ERROR_MESSAGES
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from utils.utils import decode_token, get_current_user, get_admin_user
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from config import OLLAMA_BASE_URLS, MODEL_FILTER_ENABLED, MODEL_FILTER_LIST
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from utils.misc import calculate_sha256
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from typing import Optional, List, Union
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from config import OLLAMA_BASE_URLS, MODEL_FILTER_ENABLED, MODEL_FILTER_LIST, UPLOAD_DIR
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app = FastAPI()
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@ -913,6 +929,211 @@ async def generate_openai_chat_completion(
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)
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class UrlForm(BaseModel):
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url: str
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class UploadBlobForm(BaseModel):
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filename: str
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def parse_huggingface_url(hf_url):
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try:
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# Parse the URL
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parsed_url = urlparse(hf_url)
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# Get the path and split it into components
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path_components = parsed_url.path.split("/")
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# Extract the desired output
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user_repo = "/".join(path_components[1:3])
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model_file = path_components[-1]
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return model_file
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except ValueError:
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return None
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async def download_file_stream(
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ollama_url, file_url, file_path, file_name, chunk_size=1024 * 1024
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):
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done = False
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if os.path.exists(file_path):
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current_size = os.path.getsize(file_path)
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else:
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current_size = 0
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headers = {"Range": f"bytes={current_size}-"} if current_size > 0 else {}
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timeout = aiohttp.ClientTimeout(total=600) # Set the timeout
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async with aiohttp.ClientSession(timeout=timeout) as session:
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async with session.get(file_url, headers=headers) as response:
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total_size = int(response.headers.get("content-length", 0)) + current_size
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with open(file_path, "ab+") as file:
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async for data in response.content.iter_chunked(chunk_size):
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current_size += len(data)
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file.write(data)
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done = current_size == total_size
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progress = round((current_size / total_size) * 100, 2)
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yield f'data: {{"progress": {progress}, "completed": {current_size}, "total": {total_size}}}\n\n'
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if done:
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file.seek(0)
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hashed = calculate_sha256(file)
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file.seek(0)
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url = f"{ollama_url}/api/blobs/sha256:{hashed}"
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response = requests.post(url, data=file)
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if response.ok:
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res = {
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"done": done,
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"blob": f"sha256:{hashed}",
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"name": file_name,
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}
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os.remove(file_path)
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yield f"data: {json.dumps(res)}\n\n"
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else:
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raise "Ollama: Could not create blob, Please try again."
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# def number_generator():
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# for i in range(1, 101):
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# yield f"data: {i}\n"
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# url = "https://huggingface.co/TheBloke/stablelm-zephyr-3b-GGUF/resolve/main/stablelm-zephyr-3b.Q2_K.gguf"
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@app.post("/models/download")
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@app.post("/models/download/{url_idx}")
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async def download_model(
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form_data: UrlForm,
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url_idx: Optional[int] = None,
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):
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if url_idx == None:
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url_idx = 0
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url = app.state.OLLAMA_BASE_URLS[url_idx]
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file_name = parse_huggingface_url(form_data.url)
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if file_name:
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file_path = f"{UPLOAD_DIR}/{file_name}"
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return StreamingResponse(
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download_file_stream(url, form_data.url, file_path, file_name),
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)
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else:
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return None
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@app.post("/models/upload")
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@app.post("/models/upload/{url_idx}")
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def upload_model(file: UploadFile = File(...), url_idx: Optional[int] = None):
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if url_idx == None:
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url_idx = 0
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ollama_url = app.state.OLLAMA_BASE_URLS[url_idx]
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file_path = f"{UPLOAD_DIR}/{file.filename}"
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# Save file in chunks
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with open(file_path, "wb+") as f:
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for chunk in file.file:
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f.write(chunk)
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def file_process_stream():
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nonlocal ollama_url
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total_size = os.path.getsize(file_path)
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chunk_size = 1024 * 1024
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try:
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with open(file_path, "rb") as f:
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total = 0
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done = False
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while not done:
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chunk = f.read(chunk_size)
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if not chunk:
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done = True
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continue
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total += len(chunk)
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progress = round((total / total_size) * 100, 2)
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res = {
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"progress": progress,
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"total": total_size,
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"completed": total,
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}
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yield f"data: {json.dumps(res)}\n\n"
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if done:
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f.seek(0)
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hashed = calculate_sha256(f)
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f.seek(0)
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url = f"{ollama_url}/api/blobs/sha256:{hashed}"
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response = requests.post(url, data=f)
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if response.ok:
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res = {
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"done": done,
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"blob": f"sha256:{hashed}",
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"name": file.filename,
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}
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os.remove(file_path)
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yield f"data: {json.dumps(res)}\n\n"
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else:
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raise Exception(
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"Ollama: Could not create blob, Please try again."
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)
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except Exception as e:
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res = {"error": str(e)}
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yield f"data: {json.dumps(res)}\n\n"
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return StreamingResponse(file_process_stream(), media_type="text/event-stream")
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# async def upload_model(file: UploadFile = File(), url_idx: Optional[int] = None):
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# if url_idx == None:
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# url_idx = 0
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# url = app.state.OLLAMA_BASE_URLS[url_idx]
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# file_location = os.path.join(UPLOAD_DIR, file.filename)
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# total_size = file.size
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# async def file_upload_generator(file):
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# print(file)
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# try:
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# async with aiofiles.open(file_location, "wb") as f:
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# completed_size = 0
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# while True:
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# chunk = await file.read(1024*1024)
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# if not chunk:
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# break
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# await f.write(chunk)
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# completed_size += len(chunk)
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# progress = (completed_size / total_size) * 100
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# print(progress)
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# yield f'data: {json.dumps({"status": "uploading", "percentage": progress, "total": total_size, "completed": completed_size, "done": False})}\n'
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# except Exception as e:
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# print(e)
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# yield f"data: {json.dumps({'status': 'error', 'message': str(e)})}\n"
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# finally:
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# await file.close()
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# print("done")
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# yield f'data: {json.dumps({"status": "completed", "percentage": 100, "total": total_size, "completed": completed_size, "done": True})}\n'
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# return StreamingResponse(
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# file_upload_generator(copy.deepcopy(file)), media_type="text/event-stream"
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# )
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@app.api_route("/{path:path}", methods=["GET", "POST", "PUT", "DELETE"])
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async def deprecated_proxy(path: str, request: Request, user=Depends(get_current_user)):
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url = app.state.OLLAMA_BASE_URLS[0]
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