[pull] main from agentscope-ai:main

src/agentscope/_version.py

@@ -1,4 +1,4 @@
 # -*- coding: utf-8 -*-
 """The version of agentscope."""
 
-__version__ = "1.0.20"
+__version__ = "1.0.21"

src/agentscope/formatter/__init__.py

@@ -29,6 +29,11 @@
 )
 from ._a2a_formatter import A2AChatFormatter
 
+from ._openai_response_formatter import (
+    OpenAIResponseChatFormatter,
+    OpenAIResponseMultiAgentFormatter,
+)
+
 __all__ = [
     "FormatterBase",
     "TruncatedFormatterBase",
@@ -45,4 +50,6 @@
     "DeepSeekChatFormatter",
     "DeepSeekMultiAgentFormatter",
     "A2AChatFormatter",
+    "OpenAIResponseChatFormatter",
+    "OpenAIResponseMultiAgentFormatter",
 ]

src/agentscope/formatter/_anthropic_formatter.py

@@ -171,7 +171,7 @@ async def _format(
                 elif typ == "tool_result":
                     output = block.get("output")
                     if output is None:
-                        content_value = [{"type": "text", "text": None}]
+                        content_value = [{"type": "text", "text": ""}]
                     elif isinstance(output, list):
                         content_value = [
                             _format_anthropic_image_block(item)
@@ -207,7 +207,7 @@ async def _format(
 
             msg_anthropic = {
                 "role": role,
-                "content": content_blocks or None,
+                "content": content_blocks,
             }
 
             # When both content and tool_calls are None, skipped

src/agentscope/formatter/_gemini_formatter.py

@@ -191,23 +191,30 @@ async def _format(
             for block in msg.get_content_blocks():
                 typ = block.get("type")
                 if typ == "text":
-                    parts.append(
-                        {
-                            "text": block.get("text"),
-                        },
-                    )
+                    text_part: dict[str, Any] = {
+                        "text": block.get("text"),
+                    }
+                    text_sig = block.get("thought_signature")
+                    if text_sig is not None:
+                        text_part["thought_signature"] = base64.b64decode(
+                            text_sig,  # type: ignore[arg-type]
+                        )
+                    parts.append(text_part)
 
                 elif typ == "tool_use":
-                    parts.append(
-                        {
-                            "function_call": {
-                                "id": None,
-                                "name": block["name"],
-                                "args": block["input"],
-                            },
-                            "thought_signature": block.get("id", None),
+                    fc_part: dict[str, Any] = {
+                        "function_call": {
+                            "id": None,
+                            "name": block["name"],
+                            "args": block["input"],
                         },
-                    )
+                    }
+                    thought_sig = block.get("thought_signature")
+                    if thought_sig is not None:
+                        fc_part["thought_signature"] = base64.b64decode(
+                            thought_sig,  # type: ignore[arg-type]
+                        )
+                    parts.append(fc_part)
 
                 elif typ == "tool_result":
                     (