fix(bedrock): parse tool_call text tags

litellm/llms/bedrock/chat/converse_transformation.py

@@ -1815,6 +1815,24 @@ class AmazonConverseConfig(BaseConfig):
 
         return None
 
+    def _parse_tool_call_tag_text_tool_call(
+        self, content: str
+    ) -> Tuple[Optional[str], dict[str, Any]]:
+        tool_call_match = re.search(
+            r"<tool_call>(.*?)</tool_call>", content, re.DOTALL | re.IGNORECASE
+        )
+        if tool_call_match is None:
+            return None, {}
+
+        tool_call = self._parse_tool_call_json_arguments(tool_call_match.group(1).strip())
+        tool_name = tool_call.get("name")
+        arguments = tool_call.get("arguments", {})
+        if not isinstance(tool_name, str):
+            return None, {}
+        if not isinstance(arguments, dict):
+            return None, {}
+        return tool_name, arguments
+
     def _parse_function_text_tool_call(
         self, content: str
     ) -> Tuple[Optional[str], dict[str, Any]]:
@@ -1895,6 +1913,7 @@ class AmazonConverseConfig(BaseConfig):
             return None
 
         parsers = (
+            self._parse_tool_call_tag_text_tool_call,
             self._parse_function_text_tool_call,
             self._parse_tool_use_text_tool_call,
             self._parse_bare_text_tool_call,

tests/test_litellm/llms/bedrock/chat/test_converse_transformation.py

@@ -305,6 +305,26 @@ def test_apply_tool_call_transformation_parses_bare_tool_name_json_text():
     _assert_read_file_tool_call(transformed_message, finish_reason)
 
 
+def test_apply_tool_call_transformation_parses_tool_call_json_tag_text():
+    from litellm.types.utils import Message
+
+    config = AmazonConverseConfig()
+    message = Message(
+        role="assistant",
+        content=(
+            "I'll call the read_file tool immediately as instructed.\n\n"
+            '<tool_call>\n{"name": "read_file", "arguments": {"path": "C:\\\\Projects\\\\redaigo\\\\scripts\\\\run_etf_v13.py", "offset": 0, "length": 3000}}\n</tool_call>\n\n'
+            "<tool_response>"
+        ),
+    )
+
+    transformed_message, finish_reason = config.apply_tool_call_transformation_if_needed(
+        message, _read_file_tool(), initial_finish_reason="stop"
+    )
+
+    _assert_read_file_tool_call(transformed_message, finish_reason)
+
+
 def test_apply_tool_call_transformation_ignores_text_for_unknown_tool_name():
     from litellm.types.utils import Message