Support for file_input content (#fix 893) (openai#1009)

PDF and file upload are supported by litellm and various models. This PR enables them. fixes openai#893

Author: ant31

src/agents/models/chatcmpl_converter.py

@@ -19,6 +19,7 @@
  ChatCompletionToolMessageParam,
  ChatCompletionUserMessageParam,
 )
+from openai.types.chat.chat_completion_content_part_param import File, FileFile
 from openai.types.chat.chat_completion_tool_param import ChatCompletionToolParam
 from openai.types.chat.completion_create_params import ResponseFormat
 from openai.types.responses import (
@@ -27,6 +28,7 @@
  ResponseFunctionToolCall,
  ResponseFunctionToolCallParam,
  ResponseInputContentParam,
+ ResponseInputFileParam,
  ResponseInputImageParam,
  ResponseInputTextParam,
  ResponseOutputMessage,
@@ -251,7 +253,19 @@ def extract_all_content(
  )
  )
  elif isinstance(c, dict) and c.get("type") == "input_file":
- raise UserError(f"File uploads are not supported for chat completions {c}")
+ casted_file_param = cast(ResponseInputFileParam, c)
+ if "file_data" not in casted_file_param or not casted_file_param["file_data"]:
+ raise UserError(
+ f"Only file_data is supported for input_file {casted_file_param}"
+ )
+ out.append(
+ File(
+ type="file",
+ file=FileFile(
+ file_data=casted_file_param["file_data"],
+ ),
+ )
+ )
  else:
  raise UserError(f"Unknown content: {c}")
  return out