RAG interactive prompts added, issues resolved

crazy_functions/Rag_Interface.py

@@ -56,6 +56,12 @@ def handle_document_upload(files: List[str], llm_kwargs, plugin_kwargs, chatbot,
         try:
             validate_path_safety(file_path, user_name)
             text = extract_text(file_path)
+            if text is None:
+                chatbot.append(
+                    [f"上传文件: {os.path.basename(file_path)}", "文件解析失败，无法提取文本内容，请更换文件。"])
+            else:
+                chatbot.append(
+                    [f"上传文件: {os.path.basename(file_path)}", f"上传文件前50个字符为:{text[:50]}。"])
                 document = Document(text=text, metadata={"source": file_path})
                 rag_worker.add_documents_to_vector_store([document])
                 chatbot.append([f"上传文件: {os.path.basename(file_path)}", "文件已成功添加到知识库。"])
@@ -100,18 +106,12 @@ def Rag问答(txt, llm_kwargs, plugin_kwargs, chatbot, history, system_prompt, u
     tip = "提示：输入“清空向量数据库”可以清空RAG向量数据库"
 
     # 2. Handle special commands
-    if os.path.exists(txt):
+    if os.path.exists(txt) and os.path.isdir(txt):
         project_folder = txt
         validate_path_safety(project_folder, chatbot.get_user())
         # Extract file paths from the user input
         # Assuming the user inputs file paths separated by commas after the command
         file_paths =  [f for f in glob.glob(f'{project_folder}/**/*', recursive=True)]
-
-        if not txt:
-            report_exception(chatbot, history, a="上传文档", b="未提供任何文件路径。")
-            yield from update_ui(chatbot=chatbot, history=history)
-            return
-
         chatbot.append([txt, f'正在处理上传的文档 ({current_context}) ...'])
         yield from update_ui(chatbot=chatbot, history=history)  # 刷新界面
 
@@ -125,9 +125,12 @@ def Rag问答(txt, llm_kwargs, plugin_kwargs, chatbot, history, system_prompt, u
         yield from update_ui_lastest_msg('已清空', chatbot, history, delay=0)  # 刷新界面
         return
 
+    else:
+        report_exception(chatbot, history, a=f"上传文件路径错误: {txt}", b="请检查并提供正确路径。")
+
     # 3. Normal Q&A processing
     chatbot.append([txt, f'正在召回知识 ({current_context}) ...'])
-    # yield from update_ui(chatbot=chatbot, history=history)  # 刷新界面
+    yield from update_ui(chatbot=chatbot, history=history)  # 刷新界面
 
     # 4. Clip history to reduce token consumption
     txt_origin = txt

crazy_functions/rag_fns/llama_index_worker.py

@@ -59,7 +59,7 @@ class SaveLoad():
     def purge(self):
         import shutil
         shutil.rmtree(self.checkpoint_dir, ignore_errors=True)
-        self.vs_index = self.create_new_vs()
+        self.vs_index = self.create_new_vs(self.checkpoint_dir)
 
 
 class LlamaIndexRagWorker(SaveLoad):

crazy_functions/rag_fns/rag_file_support.py

@@ -1,10 +1,8 @@
 import os
+from llama_index.core import SimpleDirectoryReader
 
-import markdown
+# 保留你原有的自定义解析函数
 from PyPDF2 import PdfReader
-from bs4 import BeautifulSoup
-from docx import Document as DocxDocument
-
 
 def extract_text_from_pdf(file_path):
     reader = PdfReader(file_path)
@@ -13,35 +11,24 @@ def extract_text_from_pdf(file_path):
         text += page.extract_text() + "\n"
     return text
 
-def extract_text_from_docx(file_path):
+# 修改后的 extract_text 函数，结合 SimpleDirectoryReader 和自定义解析逻辑
-    doc = DocxDocument(file_path)
-    return "\n".join([para.text for para in doc.paragraphs])
-
-def extract_text_from_txt(file_path):
-    with open(file_path, 'r', encoding='utf-8') as f:
-        return f.read()
-
-def extract_text_from_md(file_path):
-    with open(file_path, 'r', encoding='utf-8') as f:
-        md_content = f.read()
-    return markdown.markdown(md_content)
-
-def extract_text_from_html(file_path):
-    with open(file_path, 'r', encoding='utf-8') as f:
-        soup = BeautifulSoup(f, 'html.parser')
-    return soup.get_text()
-
 def extract_text(file_path):
     _, ext = os.path.splitext(file_path.lower())
+
+    # 使用 SimpleDirectoryReader 处理它支持的文件格式
+    if ext in ['.txt', '.md', '.pdf', '.docx', '.html']:
+        try:
+            reader = SimpleDirectoryReader(input_files=[file_path])
+            documents = reader.load_data()
+            if len(documents) > 0:
+                return documents[0].text
+        except Exception as e:
+            pass
+
+    # 如果 SimpleDirectoryReader 失败，或文件格式不支持，使用自定义解析逻辑
     if ext == '.pdf':
+        try:
             return extract_text_from_pdf(file_path)
-    elif ext in ['.docx', '.doc']:
+        except Exception as e:
-        return extract_text_from_docx(file_path)
+            pass
-    elif ext == '.txt':
+    return None
-        return extract_text_from_txt(file_path)
-    elif ext == '.md':
-        return extract_text_from_md(file_path)
-    elif ext == '.html':
-        return extract_text_from_html(file_path)
-    else:
-        raise ValueError(f"Unsupported file extension: {ext}")