refac: backend now is its own package

langflow/backend/dev.py

@@ -1,10 +0,0 @@
-import uvicorn
-import sys
-from pathlib import Path
-
-path = Path(__file__)
-sys.path.append(str(path.parent.parent.parent))
-
-from app import app
-
-uvicorn.run(app, host="0.0.0.0", port=5003)

langflow/backend/pyproject.toml

@@ -1,15 +1,15 @@
 [tool.poetry]
-name = "langflow"
+name = "langflow-backend"
 version = "0.0.21"
 description = "Backend for Langflow"
-authors = ["Ibis Prevedello <ibiscp@gmail.com>"]
-# packages = [
-#     { include = "*.py" }
-# ]
-# exclude = ['dev.py']
+authors = ["Ibis Prevedello <ibiscp@gmail.com>", "Gabriel Almeida <gabrielf.almeida90@gmail.com>"]
+packages = [
+    { include = "src" }
+]
+
 
 [tool.poetry.dependencies]
-python = "^3.10"
+python = "^3.9"
 openai = "^0.26.5"
 fastapi = "^0.91.0"
 uvicorn = "^0.20.0"

langflow/backend/src/api/endpoints.py

@@ -1,7 +1,7 @@
 from fastapi import APIRouter
-from langflow.backend import signature
-from langflow.backend import list_endpoints
-from langflow.backend import payload
+from api import signature
+from api import list_endpoints
+from utils import payload
 from langchain.agents.loading import load_agent_executor_from_config
 from langchain.chains.loading import load_chain_from_config
 from langchain.llms.loading import load_llm_from_config

langflow/backend/src/api/list_endpoints.py

@@ -6,9 +6,8 @@ from langchain import prompts
 from langchain import llms
 from langchain.chains.conversation import memory as memories
 from langchain.agents.load_tools import get_all_tool_names
-from langflow.backend import util
-from langflow.backend import customs
-from langflow.backend import allowed_components
+from utils import util, allowed_components
+from custom import customs
 
 
 # build router

langflow/backend/src/api/signature.py

@@ -10,8 +10,8 @@ from langchain.agents.load_tools import (
 )
 from langchain.chains.conversation import memory as memories
 
-from langflow.backend import util
-from langflow.backend import customs
+from utils import util
+from custom import customs
 
 # build router
 router = APIRouter(

langflow/backend/src/main.py

@@ -1,7 +1,7 @@
 from fastapi import FastAPI
-from langflow.backend.endpoints import router as endpoints_router
-from langflow.backend.list_endpoints import router as list_router
-from langflow.backend.signature import router as signatures_router
+from api.endpoints import router as endpoints_router
+from api.list_endpoints import router as list_router
+from api.signature import router as signatures_router
 from fastapi.middleware.cors import CORSMiddleware
 
 

pyproject.toml

@@ -2,7 +2,7 @@
 name = "langflow"
 version = "0.0.1"
 description = "A Python package with a built-in web application"
-authors = ["Ibis Prevedello <ibiscp@gmail.com>"]
+authors = ["Ibis Prevedello <ibiscp@gmail.com>", "Gabriel Almeida <gabrielf.almeida90@gmail.com>"]
 packages = [
     { include = "langflow"}
 ]
@@ -23,11 +23,5 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry.dependencies]
 python = "^3.9"
-openai = "^0.26.5"
-fastapi = "^0.91.0"
-uvicorn = "^0.20.0"
-beautifulsoup4 = "^4.11.2"
-google-search-results = "^2.4.1"
-google-api-python-client = "^2.79.0"
-langchain = {git = "https://github.com/ibiscp/langchain.git", rev = "ibis"}
+langflow_backend = {path = "langflow/backend"}
 typer = "^0.7.0"