forked from open-webui/open-webui
986 lines
27 KiB
Python
986 lines
27 KiB
Python
from fastapi import FastAPI, Request, Response, HTTPException, Depends, status
|
|
from fastapi.middleware.cors import CORSMiddleware
|
|
from fastapi.responses import StreamingResponse
|
|
from fastapi.concurrency import run_in_threadpool
|
|
|
|
from pydantic import BaseModel, ConfigDict
|
|
|
|
import random
|
|
import requests
|
|
import json
|
|
import uuid
|
|
import aiohttp
|
|
import asyncio
|
|
|
|
from apps.web.models.users import Users
|
|
from constants import ERROR_MESSAGES
|
|
from utils.utils import decode_token, get_current_user, get_admin_user
|
|
from config import OLLAMA_BASE_URLS, MODEL_FILTER_ENABLED, MODEL_FILTER_LIST
|
|
|
|
from typing import Optional, List, Union
|
|
|
|
|
|
app = FastAPI()
|
|
app.add_middleware(
|
|
CORSMiddleware,
|
|
allow_origins=["*"],
|
|
allow_credentials=True,
|
|
allow_methods=["*"],
|
|
allow_headers=["*"],
|
|
)
|
|
|
|
|
|
app.state.MODEL_FILTER_ENABLED = MODEL_FILTER_ENABLED
|
|
app.state.MODEL_FILTER_LIST = MODEL_FILTER_LIST
|
|
|
|
app.state.OLLAMA_BASE_URLS = OLLAMA_BASE_URLS
|
|
app.state.MODELS = {}
|
|
|
|
|
|
REQUEST_POOL = []
|
|
|
|
|
|
# TODO: Implement a more intelligent load balancing mechanism for distributing requests among multiple backend instances.
|
|
# Current implementation uses a simple round-robin approach (random.choice). Consider incorporating algorithms like weighted round-robin,
|
|
# least connections, or least response time for better resource utilization and performance optimization.
|
|
|
|
|
|
@app.middleware("http")
|
|
async def check_url(request: Request, call_next):
|
|
if len(app.state.MODELS) == 0:
|
|
await get_all_models()
|
|
else:
|
|
pass
|
|
|
|
response = await call_next(request)
|
|
return response
|
|
|
|
|
|
@app.get("/urls")
|
|
async def get_ollama_api_urls(user=Depends(get_admin_user)):
|
|
return {"OLLAMA_BASE_URLS": app.state.OLLAMA_BASE_URLS}
|
|
|
|
|
|
class UrlUpdateForm(BaseModel):
|
|
urls: List[str]
|
|
|
|
|
|
@app.post("/urls/update")
|
|
async def update_ollama_api_url(form_data: UrlUpdateForm, user=Depends(get_admin_user)):
|
|
app.state.OLLAMA_BASE_URLS = form_data.urls
|
|
|
|
print(app.state.OLLAMA_BASE_URLS)
|
|
return {"OLLAMA_BASE_URLS": app.state.OLLAMA_BASE_URLS}
|
|
|
|
|
|
@app.get("/cancel/{request_id}")
|
|
async def cancel_ollama_request(request_id: str, user=Depends(get_current_user)):
|
|
if user:
|
|
if request_id in REQUEST_POOL:
|
|
REQUEST_POOL.remove(request_id)
|
|
return True
|
|
else:
|
|
raise HTTPException(status_code=401, detail=ERROR_MESSAGES.ACCESS_PROHIBITED)
|
|
|
|
|
|
async def fetch_url(url):
|
|
try:
|
|
async with aiohttp.ClientSession() as session:
|
|
async with session.get(url) as response:
|
|
return await response.json()
|
|
except Exception as e:
|
|
# Handle connection error here
|
|
print(f"Connection error: {e}")
|
|
return None
|
|
|
|
|
|
def merge_models_lists(model_lists):
|
|
merged_models = {}
|
|
|
|
for idx, model_list in enumerate(model_lists):
|
|
for model in model_list:
|
|
digest = model["digest"]
|
|
if digest not in merged_models:
|
|
model["urls"] = [idx]
|
|
merged_models[digest] = model
|
|
else:
|
|
merged_models[digest]["urls"].append(idx)
|
|
|
|
return list(merged_models.values())
|
|
|
|
|
|
# user=Depends(get_current_user)
|
|
|
|
|
|
async def get_all_models():
|
|
print("get_all_models")
|
|
tasks = [fetch_url(f"{url}/api/tags") for url in app.state.OLLAMA_BASE_URLS]
|
|
responses = await asyncio.gather(*tasks)
|
|
responses = list(filter(lambda x: x is not None, responses))
|
|
|
|
models = {
|
|
"models": merge_models_lists(
|
|
map(lambda response: response["models"], responses)
|
|
)
|
|
}
|
|
app.state.MODELS = {model["model"]: model for model in models["models"]}
|
|
|
|
return models
|
|
|
|
|
|
@app.get("/api/tags")
|
|
@app.get("/api/tags/{url_idx}")
|
|
async def get_ollama_tags(
|
|
url_idx: Optional[int] = None, user=Depends(get_current_user)
|
|
):
|
|
if url_idx == None:
|
|
models = await get_all_models()
|
|
|
|
if app.state.MODEL_FILTER_ENABLED:
|
|
if user.role == "user":
|
|
models["models"] = list(
|
|
filter(
|
|
lambda model: model["name"] in app.state.MODEL_FILTER_LIST,
|
|
models["models"],
|
|
)
|
|
)
|
|
return models
|
|
return models
|
|
else:
|
|
url = app.state.OLLAMA_BASE_URLS[url_idx]
|
|
try:
|
|
r = requests.request(method="GET", url=f"{url}/api/tags")
|
|
r.raise_for_status()
|
|
|
|
return r.json()
|
|
except Exception as e:
|
|
print(e)
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|
|
|
|
|
|
@app.get("/api/version")
|
|
@app.get("/api/version/{url_idx}")
|
|
async def get_ollama_versions(url_idx: Optional[int] = None):
|
|
|
|
if url_idx == None:
|
|
|
|
# returns lowest version
|
|
tasks = [fetch_url(f"{url}/api/version") for url in app.state.OLLAMA_BASE_URLS]
|
|
responses = await asyncio.gather(*tasks)
|
|
responses = list(filter(lambda x: x is not None, responses))
|
|
|
|
lowest_version = min(
|
|
responses, key=lambda x: tuple(map(int, x["version"].split(".")))
|
|
)
|
|
|
|
return {"version": lowest_version["version"]}
|
|
else:
|
|
url = app.state.OLLAMA_BASE_URLS[url_idx]
|
|
try:
|
|
r = requests.request(method="GET", url=f"{url}/api/version")
|
|
r.raise_for_status()
|
|
|
|
return r.json()
|
|
except Exception as e:
|
|
print(e)
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|
|
|
|
|
|
class ModelNameForm(BaseModel):
|
|
name: str
|
|
|
|
|
|
@app.post("/api/pull")
|
|
@app.post("/api/pull/{url_idx}")
|
|
async def pull_model(
|
|
form_data: ModelNameForm, url_idx: int = 0, user=Depends(get_admin_user)
|
|
):
|
|
url = app.state.OLLAMA_BASE_URLS[url_idx]
|
|
print(url)
|
|
|
|
r = None
|
|
|
|
def get_request():
|
|
nonlocal url
|
|
nonlocal r
|
|
try:
|
|
|
|
def stream_content():
|
|
for chunk in r.iter_content(chunk_size=8192):
|
|
yield chunk
|
|
|
|
r = requests.request(
|
|
method="POST",
|
|
url=f"{url}/api/pull",
|
|
data=form_data.model_dump_json(exclude_none=True).encode(),
|
|
stream=True,
|
|
)
|
|
|
|
r.raise_for_status()
|
|
|
|
return StreamingResponse(
|
|
stream_content(),
|
|
status_code=r.status_code,
|
|
headers=dict(r.headers),
|
|
)
|
|
except Exception as e:
|
|
raise e
|
|
|
|
try:
|
|
return await run_in_threadpool(get_request)
|
|
except Exception as e:
|
|
print(e)
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|
|
|
|
|
|
class PushModelForm(BaseModel):
|
|
name: str
|
|
insecure: Optional[bool] = None
|
|
stream: Optional[bool] = None
|
|
|
|
|
|
@app.delete("/api/push")
|
|
@app.delete("/api/push/{url_idx}")
|
|
async def push_model(
|
|
form_data: PushModelForm,
|
|
url_idx: Optional[int] = None,
|
|
user=Depends(get_admin_user),
|
|
):
|
|
if url_idx == None:
|
|
if form_data.name in app.state.MODELS:
|
|
url_idx = app.state.MODELS[form_data.name]["urls"][0]
|
|
else:
|
|
raise HTTPException(
|
|
status_code=400,
|
|
detail=ERROR_MESSAGES.MODEL_NOT_FOUND(form_data.name),
|
|
)
|
|
|
|
url = app.state.OLLAMA_BASE_URLS[url_idx]
|
|
print(url)
|
|
|
|
r = None
|
|
|
|
def get_request():
|
|
nonlocal url
|
|
nonlocal r
|
|
try:
|
|
|
|
def stream_content():
|
|
for chunk in r.iter_content(chunk_size=8192):
|
|
yield chunk
|
|
|
|
r = requests.request(
|
|
method="POST",
|
|
url=f"{url}/api/push",
|
|
data=form_data.model_dump_json(exclude_none=True).encode(),
|
|
)
|
|
|
|
r.raise_for_status()
|
|
|
|
return StreamingResponse(
|
|
stream_content(),
|
|
status_code=r.status_code,
|
|
headers=dict(r.headers),
|
|
)
|
|
except Exception as e:
|
|
raise e
|
|
|
|
try:
|
|
return await run_in_threadpool(get_request)
|
|
except Exception as e:
|
|
print(e)
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|
|
|
|
|
|
class CreateModelForm(BaseModel):
|
|
name: str
|
|
modelfile: Optional[str] = None
|
|
stream: Optional[bool] = None
|
|
path: Optional[str] = None
|
|
|
|
|
|
@app.post("/api/create")
|
|
@app.post("/api/create/{url_idx}")
|
|
async def create_model(
|
|
form_data: CreateModelForm, url_idx: int = 0, user=Depends(get_admin_user)
|
|
):
|
|
print(form_data)
|
|
url = app.state.OLLAMA_BASE_URLS[url_idx]
|
|
print(url)
|
|
|
|
r = None
|
|
|
|
def get_request():
|
|
nonlocal url
|
|
nonlocal r
|
|
try:
|
|
|
|
def stream_content():
|
|
for chunk in r.iter_content(chunk_size=8192):
|
|
yield chunk
|
|
|
|
r = requests.request(
|
|
method="POST",
|
|
url=f"{url}/api/create",
|
|
data=form_data.model_dump_json(exclude_none=True).encode(),
|
|
stream=True,
|
|
)
|
|
|
|
r.raise_for_status()
|
|
|
|
print(r)
|
|
|
|
return StreamingResponse(
|
|
stream_content(),
|
|
status_code=r.status_code,
|
|
headers=dict(r.headers),
|
|
)
|
|
except Exception as e:
|
|
raise e
|
|
|
|
try:
|
|
return await run_in_threadpool(get_request)
|
|
except Exception as e:
|
|
print(e)
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|
|
|
|
|
|
class CopyModelForm(BaseModel):
|
|
source: str
|
|
destination: str
|
|
|
|
|
|
@app.post("/api/copy")
|
|
@app.post("/api/copy/{url_idx}")
|
|
async def copy_model(
|
|
form_data: CopyModelForm,
|
|
url_idx: Optional[int] = None,
|
|
user=Depends(get_admin_user),
|
|
):
|
|
if url_idx == None:
|
|
if form_data.source in app.state.MODELS:
|
|
url_idx = app.state.MODELS[form_data.source]["urls"][0]
|
|
else:
|
|
raise HTTPException(
|
|
status_code=400,
|
|
detail=ERROR_MESSAGES.MODEL_NOT_FOUND(form_data.source),
|
|
)
|
|
|
|
url = app.state.OLLAMA_BASE_URLS[url_idx]
|
|
print(url)
|
|
|
|
try:
|
|
r = requests.request(
|
|
method="POST",
|
|
url=f"{url}/api/copy",
|
|
data=form_data.model_dump_json(exclude_none=True).encode(),
|
|
)
|
|
r.raise_for_status()
|
|
|
|
print(r.text)
|
|
|
|
return True
|
|
except Exception as e:
|
|
print(e)
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|
|
|
|
|
|
@app.delete("/api/delete")
|
|
@app.delete("/api/delete/{url_idx}")
|
|
async def delete_model(
|
|
form_data: ModelNameForm,
|
|
url_idx: Optional[int] = None,
|
|
user=Depends(get_admin_user),
|
|
):
|
|
if url_idx == None:
|
|
if form_data.name in app.state.MODELS:
|
|
url_idx = app.state.MODELS[form_data.name]["urls"][0]
|
|
else:
|
|
raise HTTPException(
|
|
status_code=400,
|
|
detail=ERROR_MESSAGES.MODEL_NOT_FOUND(form_data.name),
|
|
)
|
|
|
|
url = app.state.OLLAMA_BASE_URLS[url_idx]
|
|
print(url)
|
|
|
|
try:
|
|
r = requests.request(
|
|
method="DELETE",
|
|
url=f"{url}/api/delete",
|
|
data=form_data.model_dump_json(exclude_none=True).encode(),
|
|
)
|
|
r.raise_for_status()
|
|
|
|
print(r.text)
|
|
|
|
return True
|
|
except Exception as e:
|
|
print(e)
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|
|
|
|
|
|
@app.post("/api/show")
|
|
async def show_model_info(form_data: ModelNameForm, user=Depends(get_current_user)):
|
|
if form_data.name not in app.state.MODELS:
|
|
raise HTTPException(
|
|
status_code=400,
|
|
detail=ERROR_MESSAGES.MODEL_NOT_FOUND(form_data.name),
|
|
)
|
|
|
|
url_idx = random.choice(app.state.MODELS[form_data.name]["urls"])
|
|
url = app.state.OLLAMA_BASE_URLS[url_idx]
|
|
print(url)
|
|
|
|
try:
|
|
r = requests.request(
|
|
method="POST",
|
|
url=f"{url}/api/show",
|
|
data=form_data.model_dump_json(exclude_none=True).encode(),
|
|
)
|
|
r.raise_for_status()
|
|
|
|
return r.json()
|
|
except Exception as e:
|
|
print(e)
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|
|
|
|
|
|
class GenerateEmbeddingsForm(BaseModel):
|
|
model: str
|
|
prompt: str
|
|
options: Optional[dict] = None
|
|
keep_alive: Optional[Union[int, str]] = None
|
|
|
|
|
|
@app.post("/api/embeddings")
|
|
@app.post("/api/embeddings/{url_idx}")
|
|
async def generate_embeddings(
|
|
form_data: GenerateEmbeddingsForm,
|
|
url_idx: Optional[int] = None,
|
|
user=Depends(get_current_user),
|
|
):
|
|
if url_idx == None:
|
|
if form_data.model in app.state.MODELS:
|
|
url_idx = random.choice(app.state.MODELS[form_data.model]["urls"])
|
|
else:
|
|
raise HTTPException(
|
|
status_code=400,
|
|
detail=ERROR_MESSAGES.MODEL_NOT_FOUND(form_data.model),
|
|
)
|
|
|
|
url = app.state.OLLAMA_BASE_URLS[url_idx]
|
|
print(url)
|
|
|
|
try:
|
|
r = requests.request(
|
|
method="POST",
|
|
url=f"{url}/api/embeddings",
|
|
data=form_data.model_dump_json(exclude_none=True).encode(),
|
|
)
|
|
r.raise_for_status()
|
|
|
|
return r.json()
|
|
except Exception as e:
|
|
print(e)
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|
|
|
|
|
|
class GenerateCompletionForm(BaseModel):
|
|
model: str
|
|
prompt: str
|
|
images: Optional[List[str]] = None
|
|
format: Optional[str] = None
|
|
options: Optional[dict] = None
|
|
system: Optional[str] = None
|
|
template: Optional[str] = None
|
|
context: Optional[str] = None
|
|
stream: Optional[bool] = True
|
|
raw: Optional[bool] = None
|
|
keep_alive: Optional[Union[int, str]] = None
|
|
|
|
|
|
@app.post("/api/generate")
|
|
@app.post("/api/generate/{url_idx}")
|
|
async def generate_completion(
|
|
form_data: GenerateCompletionForm,
|
|
url_idx: Optional[int] = None,
|
|
user=Depends(get_current_user),
|
|
):
|
|
|
|
if url_idx == None:
|
|
if form_data.model in app.state.MODELS:
|
|
url_idx = random.choice(app.state.MODELS[form_data.model]["urls"])
|
|
else:
|
|
raise HTTPException(
|
|
status_code=400,
|
|
detail="error_detail",
|
|
)
|
|
|
|
url = app.state.OLLAMA_BASE_URLS[url_idx]
|
|
print(url)
|
|
|
|
r = None
|
|
|
|
def get_request():
|
|
nonlocal form_data
|
|
nonlocal r
|
|
|
|
request_id = str(uuid.uuid4())
|
|
try:
|
|
REQUEST_POOL.append(request_id)
|
|
|
|
def stream_content():
|
|
try:
|
|
if form_data.stream:
|
|
yield json.dumps({"id": request_id, "done": False}) + "\n"
|
|
|
|
for chunk in r.iter_content(chunk_size=8192):
|
|
if request_id in REQUEST_POOL:
|
|
yield chunk
|
|
else:
|
|
print("User: canceled request")
|
|
break
|
|
finally:
|
|
if hasattr(r, "close"):
|
|
r.close()
|
|
if request_id in REQUEST_POOL:
|
|
REQUEST_POOL.remove(request_id)
|
|
|
|
r = requests.request(
|
|
method="POST",
|
|
url=f"{url}/api/generate",
|
|
data=form_data.model_dump_json(exclude_none=True).encode(),
|
|
stream=True,
|
|
)
|
|
|
|
r.raise_for_status()
|
|
|
|
return StreamingResponse(
|
|
stream_content(),
|
|
status_code=r.status_code,
|
|
headers=dict(r.headers),
|
|
)
|
|
except Exception as e:
|
|
raise e
|
|
|
|
try:
|
|
return await run_in_threadpool(get_request)
|
|
except Exception as e:
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|
|
|
|
|
|
class ChatMessage(BaseModel):
|
|
role: str
|
|
content: str
|
|
images: Optional[List[str]] = None
|
|
|
|
|
|
class GenerateChatCompletionForm(BaseModel):
|
|
model: str
|
|
messages: List[ChatMessage]
|
|
format: Optional[str] = None
|
|
options: Optional[dict] = None
|
|
template: Optional[str] = None
|
|
stream: Optional[bool] = True
|
|
keep_alive: Optional[Union[int, str]] = None
|
|
|
|
|
|
@app.post("/api/chat")
|
|
@app.post("/api/chat/{url_idx}")
|
|
async def generate_chat_completion(
|
|
form_data: GenerateChatCompletionForm,
|
|
url_idx: Optional[int] = None,
|
|
user=Depends(get_current_user),
|
|
):
|
|
|
|
if url_idx == None:
|
|
if form_data.model in app.state.MODELS:
|
|
url_idx = random.choice(app.state.MODELS[form_data.model]["urls"])
|
|
else:
|
|
raise HTTPException(
|
|
status_code=400,
|
|
detail=ERROR_MESSAGES.MODEL_NOT_FOUND(form_data.model),
|
|
)
|
|
|
|
url = app.state.OLLAMA_BASE_URLS[url_idx]
|
|
print(url)
|
|
|
|
r = None
|
|
|
|
print(form_data.model_dump_json(exclude_none=True).encode())
|
|
|
|
def get_request():
|
|
nonlocal form_data
|
|
nonlocal r
|
|
|
|
request_id = str(uuid.uuid4())
|
|
try:
|
|
REQUEST_POOL.append(request_id)
|
|
|
|
def stream_content():
|
|
try:
|
|
if form_data.stream:
|
|
yield json.dumps({"id": request_id, "done": False}) + "\n"
|
|
|
|
for chunk in r.iter_content(chunk_size=8192):
|
|
if request_id in REQUEST_POOL:
|
|
yield chunk
|
|
else:
|
|
print("User: canceled request")
|
|
break
|
|
finally:
|
|
if hasattr(r, "close"):
|
|
r.close()
|
|
if request_id in REQUEST_POOL:
|
|
REQUEST_POOL.remove(request_id)
|
|
|
|
r = requests.request(
|
|
method="POST",
|
|
url=f"{url}/api/chat",
|
|
data=form_data.model_dump_json(exclude_none=True).encode(),
|
|
stream=True,
|
|
)
|
|
|
|
r.raise_for_status()
|
|
|
|
return StreamingResponse(
|
|
stream_content(),
|
|
status_code=r.status_code,
|
|
headers=dict(r.headers),
|
|
)
|
|
except Exception as e:
|
|
print(e)
|
|
raise e
|
|
|
|
try:
|
|
return await run_in_threadpool(get_request)
|
|
except Exception as e:
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|
|
|
|
|
|
# TODO: we should update this part once Ollama supports other types
|
|
class OpenAIChatMessage(BaseModel):
|
|
role: str
|
|
content: str
|
|
|
|
model_config = ConfigDict(extra="allow")
|
|
|
|
|
|
class OpenAIChatCompletionForm(BaseModel):
|
|
model: str
|
|
messages: List[OpenAIChatMessage]
|
|
|
|
model_config = ConfigDict(extra="allow")
|
|
|
|
|
|
@app.post("/v1/chat/completions")
|
|
@app.post("/v1/chat/completions/{url_idx}")
|
|
async def generate_openai_chat_completion(
|
|
form_data: OpenAIChatCompletionForm,
|
|
url_idx: Optional[int] = None,
|
|
user=Depends(get_current_user),
|
|
):
|
|
|
|
if url_idx == None:
|
|
if form_data.model in app.state.MODELS:
|
|
url_idx = random.choice(app.state.MODELS[form_data.model]["urls"])
|
|
else:
|
|
raise HTTPException(
|
|
status_code=400,
|
|
detail=ERROR_MESSAGES.MODEL_NOT_FOUND(form_data.model),
|
|
)
|
|
|
|
url = app.state.OLLAMA_BASE_URLS[url_idx]
|
|
print(url)
|
|
|
|
r = None
|
|
|
|
def get_request():
|
|
nonlocal form_data
|
|
nonlocal r
|
|
|
|
request_id = str(uuid.uuid4())
|
|
try:
|
|
REQUEST_POOL.append(request_id)
|
|
|
|
def stream_content():
|
|
try:
|
|
if form_data.stream:
|
|
yield json.dumps(
|
|
{"request_id": request_id, "done": False}
|
|
) + "\n"
|
|
|
|
for chunk in r.iter_content(chunk_size=8192):
|
|
if request_id in REQUEST_POOL:
|
|
yield chunk
|
|
else:
|
|
print("User: canceled request")
|
|
break
|
|
finally:
|
|
if hasattr(r, "close"):
|
|
r.close()
|
|
if request_id in REQUEST_POOL:
|
|
REQUEST_POOL.remove(request_id)
|
|
|
|
r = requests.request(
|
|
method="POST",
|
|
url=f"{url}/v1/chat/completions",
|
|
data=form_data.model_dump_json(exclude_none=True).encode(),
|
|
stream=True,
|
|
)
|
|
|
|
r.raise_for_status()
|
|
|
|
return StreamingResponse(
|
|
stream_content(),
|
|
status_code=r.status_code,
|
|
headers=dict(r.headers),
|
|
)
|
|
except Exception as e:
|
|
raise e
|
|
|
|
try:
|
|
return await run_in_threadpool(get_request)
|
|
except Exception as e:
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|
|
|
|
|
|
@app.api_route("/{path:path}", methods=["GET", "POST", "PUT", "DELETE"])
|
|
async def deprecated_proxy(path: str, request: Request, user=Depends(get_current_user)):
|
|
url = app.state.OLLAMA_BASE_URLS[0]
|
|
target_url = f"{url}/{path}"
|
|
|
|
body = await request.body()
|
|
headers = dict(request.headers)
|
|
|
|
if user.role in ["user", "admin"]:
|
|
if path in ["pull", "delete", "push", "copy", "create"]:
|
|
if user.role != "admin":
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
|
|
)
|
|
else:
|
|
raise HTTPException(
|
|
status_code=status.HTTP_401_UNAUTHORIZED,
|
|
detail=ERROR_MESSAGES.ACCESS_PROHIBITED,
|
|
)
|
|
|
|
headers.pop("host", None)
|
|
headers.pop("authorization", None)
|
|
headers.pop("origin", None)
|
|
headers.pop("referer", None)
|
|
|
|
r = None
|
|
|
|
def get_request():
|
|
nonlocal r
|
|
|
|
request_id = str(uuid.uuid4())
|
|
try:
|
|
REQUEST_POOL.append(request_id)
|
|
|
|
def stream_content():
|
|
try:
|
|
if path == "generate":
|
|
data = json.loads(body.decode("utf-8"))
|
|
|
|
if not ("stream" in data and data["stream"] == False):
|
|
yield json.dumps({"id": request_id, "done": False}) + "\n"
|
|
|
|
elif path == "chat":
|
|
yield json.dumps({"id": request_id, "done": False}) + "\n"
|
|
|
|
for chunk in r.iter_content(chunk_size=8192):
|
|
if request_id in REQUEST_POOL:
|
|
yield chunk
|
|
else:
|
|
print("User: canceled request")
|
|
break
|
|
finally:
|
|
if hasattr(r, "close"):
|
|
r.close()
|
|
if request_id in REQUEST_POOL:
|
|
REQUEST_POOL.remove(request_id)
|
|
|
|
r = requests.request(
|
|
method=request.method,
|
|
url=target_url,
|
|
data=body,
|
|
headers=headers,
|
|
stream=True,
|
|
)
|
|
|
|
r.raise_for_status()
|
|
|
|
# r.close()
|
|
|
|
return StreamingResponse(
|
|
stream_content(),
|
|
status_code=r.status_code,
|
|
headers=dict(r.headers),
|
|
)
|
|
except Exception as e:
|
|
raise e
|
|
|
|
try:
|
|
return await run_in_threadpool(get_request)
|
|
except Exception as e:
|
|
error_detail = "Open WebUI: Server Connection Error"
|
|
if r is not None:
|
|
try:
|
|
res = r.json()
|
|
if "error" in res:
|
|
error_detail = f"Ollama: {res['error']}"
|
|
except:
|
|
error_detail = f"Ollama: {e}"
|
|
|
|
raise HTTPException(
|
|
status_code=r.status_code if r else 500,
|
|
detail=error_detail,
|
|
)
|