merge more academic plugins

crazy_functions/rag_fns/rag_file_support.py

@@ -1,7 +1,32 @@
+import subprocess
 import os
 
 supports_format = ['.csv', '.docx', '.epub', '.ipynb',  '.mbox', '.md', '.pdf',  '.txt', '.ppt', '.pptm', '.pptx', '.bat']
 
+def convert_to_markdown(file_path: str) -> str:
+    """
+    将支持的文件格式转换为Markdown格式
+    Args:
+        file_path: 输入文件路径
+    Returns:
+        str: 转换后的Markdown文件路径，如果转换失败则返回原始文件路径
+    """
+    _, ext = os.path.splitext(file_path.lower())
+
+    if ext in ['.docx', '.doc', '.pptx', '.ppt', '.pptm', '.xls', '.xlsx', '.csv', 'pdf']:
+        try:
+            # 创建输出Markdown文件路径
+            md_path = os.path.splitext(file_path)[0] + '.md'
+            # 使用markitdown工具将文件转换为Markdown
+            command = f"markitdown {file_path} > {md_path}"
+            subprocess.run(command, shell=True, check=True)
+            print(f"已将{ext}文件转换为Markdown: {md_path}")
+            return md_path
+        except Exception as e:
+            print(f"{ext}转Markdown失败: {str(e)}，将继续处理原文件")
+            return file_path
+
+    return file_path
 
 # 修改后的 extract_text 函数，结合 SimpleDirectoryReader 和自定义解析逻辑
 def extract_text(file_path):