check and intercept run-python marco in md_to_pptx

Author: bowenliang123

tools/md_to_pptx/md_to_pptx.py

@@ -30,6 +30,10 @@ def _invoke(self, tool_parameters: dict) -> Generator[ToolInvokeMessage, None, N
         # get parameters
         md_text = get_md_text(tool_parameters)
         pptx_template_file: Optional[File] = tool_parameters.get("pptx_template_file")
+
+        # check parameters
+        if "```run-python" in md_text:
+            raise ValueError("The `run-python` marco of md2pptx is not allowed.")
         if pptx_template_file and not isinstance(pptx_template_file, File):
             raise ValueError("Not a valid file for pptx template file")