fix(formatter): fix the local uri error with a monkey patch with agentscope==1.0.16dev (agentscope-ai#627)

Author: DavdGao

src/copaw/agents/model_factory.py

@@ -9,12 +9,16 @@
     >>> model, formatter = create_model_and_formatter()
 """
 
+
 import logging
 import os
-from typing import TYPE_CHECKING, Optional, Sequence, Tuple, Type
+from typing import TYPE_CHECKING, Optional, Sequence, Tuple, Type, Any
+from functools import wraps
 
 from agentscope.formatter import FormatterBase, OpenAIChatFormatter
 from agentscope.model import ChatModelBase, OpenAIChatModel
+from agentscope.message import Msg
+import agentscope
 
 try:
     from agentscope.formatter import AnthropicChatFormatter
@@ -32,6 +36,38 @@
     load_providers_json,
 )
 
+
+def _monkey_patch(func):
+    """A monkey patch wrapper for agentscope <= 1.0.16dev"""
+
+    @wraps(func)
+    async def wrapper(
+        self,
+        msgs: list[Msg],
+        **kwargs: Any,
+    ) -> list[dict[str, Any]]:
+        for msg in msgs:
+            if isinstance(msg.content, str):
+                continue
+            if isinstance(msg.content, list):
+                for block in msg.content:
+                    if (
+                        block["type"] in ["audio", "image", "video"]
+                        and block.get("source", {}).get("type") == "url"
+                    ):
+                        url = block["source"]["url"]
+                        if url.startswith("file://"):
+                            block["source"]["url"] = url.removeprefix(
+                                "file://",
+                            )
+        return await func(self, msgs, **kwargs)
+
+    return wrapper
+
+
+if agentscope.__version__ == "1.0.16dev":
+    OpenAIChatFormatter.format = _monkey_patch(OpenAIChatFormatter.format)
+
 if TYPE_CHECKING:
     from ..providers import ResolvedModelConfig