Update main.py

main.py

@@ -6,6 +6,7 @@ from fastapi.responses import JSONResponse
 from langchain.text_splitter import RecursiveCharacterTextSplitter
 from PyPDF2 import PdfReader
 from fastapi import Depends
+在FastAPI中，Depends()函数用于声明依赖项
 
 import random
 import string
@@ -14,6 +15,10 @@ import timeit
 import datetime
 import io
 
+import os
+from dotenv import load_dotenv
+load_dotenv()
+
 def generate_random_string(length):
     letters = string.ascii_lowercase
     return ''.join(random.choice(letters) for i in range(length))  
@@ -31,15 +36,13 @@ async def home():
 async def upload_file(username: str, file_to_process: FileToProcess = Depends()):
     uploaded_file = file_to_process.uploaded_file
     
-    random_string=generate_random_string(20)
-    file_path = random_string
-    #path_to_save_file = Path.home() / username / "saved_files"
-    #path_to_save_file.mkdir(parents=True, exist_ok=True)
-    file_saved_in_api = f"{file_path}/{uploaded_file.filename}"
+    random_string = generate_random_string(20)
+    file_path = Path.cwd() / random_string
+    file_path.mkdir(parents=True, exist_ok=True)
+    file_saved_in_api = file_path / uploaded_file.filename
     with open(file_saved_in_api, "wb+") as file_object:
-        file_object.write(uploaded_file.file.read())
+        file_object.write(uploaded_file.file.read())   
 
-    # 下面是你要处理的代码
     text_splitter = RecursiveCharacterTextSplitter(        
         #separator = "\n",
         chunk_size = 500,