forked from open-webui/open-webui
130 lines
3.7 KiB
Python
130 lines
3.7 KiB
Python
from fastapi import APIRouter, UploadFile, File, BackgroundTasks
|
|
from fastapi import Depends, HTTPException, status
|
|
from starlette.responses import StreamingResponse
|
|
|
|
from pydantic import BaseModel
|
|
|
|
from utils.misc import calculate_sha256
|
|
import requests
|
|
|
|
|
|
import os
|
|
import asyncio
|
|
import json
|
|
from config import OLLAMA_API_BASE_URL
|
|
|
|
|
|
router = APIRouter()
|
|
|
|
|
|
class UploadBlobForm(BaseModel):
|
|
filename: str
|
|
|
|
|
|
from urllib.parse import urlparse
|
|
|
|
|
|
def parse_huggingface_url(hf_url):
|
|
# Parse the URL
|
|
parsed_url = urlparse(hf_url)
|
|
|
|
# Get the path and split it into components
|
|
path_components = parsed_url.path.split("/")
|
|
|
|
# Extract the desired output
|
|
user_repo = "/".join(path_components[1:3])
|
|
model_file = path_components[-1]
|
|
|
|
return [user_repo, model_file]
|
|
|
|
|
|
def download_file_stream(url, file_path, chunk_size=1024 * 1024):
|
|
done = False
|
|
|
|
if os.path.exists(file_path):
|
|
current_size = os.path.getsize(file_path)
|
|
else:
|
|
current_size = 0
|
|
|
|
headers = {"Range": f"bytes={current_size}-"} if current_size > 0 else {}
|
|
|
|
with requests.get(url, headers=headers, stream=True) as response:
|
|
total_size = int(response.headers.get("content-length", 0)) + current_size
|
|
|
|
with open(file_path, "ab") as file:
|
|
for data in response.iter_content(chunk_size=chunk_size):
|
|
current_size += len(data)
|
|
file.write(data)
|
|
|
|
done = current_size == total_size
|
|
|
|
progress = round((current_size / total_size) * 100, 2)
|
|
yield f'data: {{"progress": {progress}, "current": {current_size}, "total": {total_size}}}\n\n'
|
|
|
|
|
|
@router.get("/download")
|
|
async def download(
|
|
url: str = "https://huggingface.co/TheBloke/stablelm-zephyr-3b-GGUF/resolve/main/stablelm-zephyr-3b.Q2_K.gguf",
|
|
):
|
|
user_repo, model_file = parse_huggingface_url(url)
|
|
|
|
os.makedirs("./uploads", exist_ok=True)
|
|
file_path = os.path.join("./uploads", f"{model_file}")
|
|
|
|
return StreamingResponse(
|
|
download_file_stream(url, file_path), media_type="text/event-stream"
|
|
)
|
|
|
|
|
|
@router.post("/upload")
|
|
async def upload(file: UploadFile = File(...)):
|
|
os.makedirs("./uploads", exist_ok=True)
|
|
file_path = os.path.join("./uploads", file.filename)
|
|
|
|
async def file_write_stream():
|
|
total = 0
|
|
total_size = file.size
|
|
chunk_size = 1024 * 1024
|
|
|
|
done = False
|
|
try:
|
|
with open(file_path, "wb+") as f:
|
|
while True:
|
|
chunk = file.file.read(chunk_size)
|
|
if not chunk:
|
|
break
|
|
f.write(chunk)
|
|
total += len(chunk)
|
|
done = total_size == total
|
|
|
|
res = {
|
|
"total": total_size,
|
|
"uploaded": total,
|
|
}
|
|
|
|
yield f"data: {json.dumps(res)}\n\n"
|
|
|
|
if done:
|
|
f.seek(0)
|
|
hashed = calculate_sha256(f)
|
|
f.seek(0)
|
|
|
|
url = f"{OLLAMA_API_BASE_URL}/blobs/sha256:{hashed}"
|
|
response = requests.post(url, data=f)
|
|
|
|
if response.ok:
|
|
res = {
|
|
"done": done,
|
|
"blob": f"sha256:{hashed}",
|
|
}
|
|
os.remove(file_path)
|
|
|
|
yield f"data: {json.dumps(res)}\n\n"
|
|
else:
|
|
raise "Ollama: Could not create blob, Please try again."
|
|
|
|
except Exception as e:
|
|
res = {"error": str(e)}
|
|
yield f"data: {json.dumps(res)}\n\n"
|
|
|
|
return StreamingResponse(file_write_stream(), media_type="text/event-stream")
|