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from fastapi import Depends, FastAPI, HTTPException, status, Request
from datetime import datetime, timedelta
from typing import List, Union, Optional
from fastapi import APIRouter
from pydantic import BaseModel
import json
from apps.webui.models.functions import (
Functions,
FunctionForm,
FunctionModel,
FunctionResponse,
)
from apps.webui.utils import load_function_module_by_id
from utils.utils import get_verified_user, get_admin_user
from constants import ERROR_MESSAGES
from importlib import util
import os
from pathlib import Path
from config import DATA_DIR, CACHE_DIR, FUNCTIONS_DIR
router = APIRouter()
############################
# GetFunctions
############################
@router.get("/", response_model=List[FunctionResponse])
async def get_functions(user=Depends(get_verified_user)):
return Functions.get_functions()
############################
# ExportFunctions
############################
@router.get("/export", response_model=List[FunctionModel])
async def get_functions(user=Depends(get_admin_user)):
return Functions.get_functions()
############################
# CreateNewFunction
############################
@router.post("/create", response_model=Optional[FunctionResponse])
async def create_new_function(
request: Request, form_data: FunctionForm, user=Depends(get_admin_user)
):
if not form_data.id.isidentifier():
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail="Only alphanumeric characters and underscores are allowed in the id",
)
form_data.id = form_data.id.lower()
function = Functions.get_function_by_id(form_data.id)
if function == None:
function_path = os.path.join(FUNCTIONS_DIR, f"{form_data.id}.py")
try:
with open(function_path, "w") as function_file:
function_file.write(form_data.content)
function_module, function_type, frontmatter = load_function_module_by_id(
form_data.id
)
form_data.meta.manifest = frontmatter
FUNCTIONS = request.app.state.FUNCTIONS
FUNCTIONS[form_data.id] = function_module
function = Functions.insert_new_function(user.id, function_type, form_data)
function_cache_dir = Path(CACHE_DIR) / "functions" / form_data.id
function_cache_dir.mkdir(parents=True, exist_ok=True)
if function:
return function
else:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT("Error creating function"),
)
except Exception as e:
print(e)
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT(e),
)
else:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.ID_TAKEN,
)
############################
# GetFunctionById
############################
@router.get("/id/{id}", response_model=Optional[FunctionModel])
async def get_function_by_id(id: str, user=Depends(get_admin_user)):
function = Functions.get_function_by_id(id)
if function:
return function
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=ERROR_MESSAGES.NOT_FOUND,
)
############################
# ToggleFunctionById
############################
@router.post("/id/{id}/toggle", response_model=Optional[FunctionModel])
async def toggle_function_by_id(id: str, user=Depends(get_admin_user)):
function = Functions.get_function_by_id(id)
if function:
function = Functions.update_function_by_id(
id, {"is_active": not function.is_active}
)
if function:
return function
else:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT("Error updating function"),
)
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=ERROR_MESSAGES.NOT_FOUND,
)
############################
# ToggleGlobalById
############################
@router.post("/id/{id}/toggle/global", response_model=Optional[FunctionModel])
async def toggle_global_by_id(id: str, user=Depends(get_admin_user)):
function = Functions.get_function_by_id(id)
if function:
function = Functions.update_function_by_id(
id, {"is_global": not function.is_global}
)
if function:
return function
else:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT("Error updating function"),
)
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=ERROR_MESSAGES.NOT_FOUND,
)
############################
# UpdateFunctionById
############################
@router.post("/id/{id}/update", response_model=Optional[FunctionModel])
async def update_function_by_id(
request: Request, id: str, form_data: FunctionForm, user=Depends(get_admin_user)
):
function_path = os.path.join(FUNCTIONS_DIR, f"{id}.py")
try:
with open(function_path, "w") as function_file:
function_file.write(form_data.content)
function_module, function_type, frontmatter = load_function_module_by_id(id)
form_data.meta.manifest = frontmatter
FUNCTIONS = request.app.state.FUNCTIONS
FUNCTIONS[id] = function_module
updated = {**form_data.model_dump(exclude={"id"}), "type": function_type}
print(updated)
function = Functions.update_function_by_id(id, updated)
if function:
return function
else:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT("Error updating function"),
)
except Exception as e:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT(e),
)
############################
# DeleteFunctionById
############################
@router.delete("/id/{id}/delete", response_model=bool)
async def delete_function_by_id(
request: Request, id: str, user=Depends(get_admin_user)
):
result = Functions.delete_function_by_id(id)
if result:
FUNCTIONS = request.app.state.FUNCTIONS
if id in FUNCTIONS:
del FUNCTIONS[id]
# delete the function file
function_path = os.path.join(FUNCTIONS_DIR, f"{id}.py")
os.remove(function_path)
return result
############################
# GetFunctionValves
############################
@router.get("/id/{id}/valves", response_model=Optional[dict])
async def get_function_valves_by_id(id: str, user=Depends(get_admin_user)):
function = Functions.get_function_by_id(id)
if function:
try:
valves = Functions.get_function_valves_by_id(id)
return valves
except Exception as e:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT(e),
)
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=ERROR_MESSAGES.NOT_FOUND,
)
############################
# GetFunctionValvesSpec
############################
@router.get("/id/{id}/valves/spec", response_model=Optional[dict])
async def get_function_valves_spec_by_id(
request: Request, id: str, user=Depends(get_admin_user)
):
function = Functions.get_function_by_id(id)
if function:
if id in request.app.state.FUNCTIONS:
function_module = request.app.state.FUNCTIONS[id]
else:
function_module, function_type, frontmatter = load_function_module_by_id(id)
request.app.state.FUNCTIONS[id] = function_module
if hasattr(function_module, "Valves"):
Valves = function_module.Valves
return Valves.schema()
return None
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=ERROR_MESSAGES.NOT_FOUND,
)
############################
# UpdateFunctionValves
############################
@router.post("/id/{id}/valves/update", response_model=Optional[dict])
async def update_function_valves_by_id(
request: Request, id: str, form_data: dict, user=Depends(get_admin_user)
):
function = Functions.get_function_by_id(id)
if function:
if id in request.app.state.FUNCTIONS:
function_module = request.app.state.FUNCTIONS[id]
else:
function_module, function_type, frontmatter = load_function_module_by_id(id)
request.app.state.FUNCTIONS[id] = function_module
if hasattr(function_module, "Valves"):
Valves = function_module.Valves
try:
form_data = {k: v for k, v in form_data.items() if v is not None}
valves = Valves(**form_data)
Functions.update_function_valves_by_id(id, valves.model_dump())
return valves.model_dump()
except Exception as e:
print(e)
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT(e),
)
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=ERROR_MESSAGES.NOT_FOUND,
)
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=ERROR_MESSAGES.NOT_FOUND,
)
############################
# FunctionUserValves
############################
@router.get("/id/{id}/valves/user", response_model=Optional[dict])
async def get_function_user_valves_by_id(id: str, user=Depends(get_verified_user)):
function = Functions.get_function_by_id(id)
if function:
try:
user_valves = Functions.get_user_valves_by_id_and_user_id(id, user.id)
return user_valves
except Exception as e:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT(e),
)
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=ERROR_MESSAGES.NOT_FOUND,
)
@router.get("/id/{id}/valves/user/spec", response_model=Optional[dict])
async def get_function_user_valves_spec_by_id(
request: Request, id: str, user=Depends(get_verified_user)
):
function = Functions.get_function_by_id(id)
if function:
if id in request.app.state.FUNCTIONS:
function_module = request.app.state.FUNCTIONS[id]
else:
function_module, function_type, frontmatter = load_function_module_by_id(id)
request.app.state.FUNCTIONS[id] = function_module
if hasattr(function_module, "UserValves"):
UserValves = function_module.UserValves
return UserValves.schema()
return None
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=ERROR_MESSAGES.NOT_FOUND,
)
@router.post("/id/{id}/valves/user/update", response_model=Optional[dict])
async def update_function_user_valves_by_id(
request: Request, id: str, form_data: dict, user=Depends(get_verified_user)
):
function = Functions.get_function_by_id(id)
if function:
if id in request.app.state.FUNCTIONS:
function_module = request.app.state.FUNCTIONS[id]
else:
function_module, function_type, frontmatter = load_function_module_by_id(id)
request.app.state.FUNCTIONS[id] = function_module
if hasattr(function_module, "UserValves"):
UserValves = function_module.UserValves
try:
form_data = {k: v for k, v in form_data.items() if v is not None}
user_valves = UserValves(**form_data)
Functions.update_user_valves_by_id_and_user_id(
id, user.id, user_valves.model_dump()
)
return user_valves.model_dump()
except Exception as e:
print(e)
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=ERROR_MESSAGES.DEFAULT(e),
)
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=ERROR_MESSAGES.NOT_FOUND,
)
else:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail=ERROR_MESSAGES.NOT_FOUND,
)
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