Jul 15, 2025 · Jul 10, 2025 · Jul 10, 2025 · Jul 10, 2025 · Jul 11, 2025 · Jul 11, 2025
diff --git a/pydantic_ai_slim/pydantic_ai/messages.py b/pydantic_ai_slim/pydantic_ai/messages.py
    def otel_event(self, settings: InstrumentationSettings) -> Event:
        content: str | list[dict[str, Any] | str]
        if isinstance(self.content, str):
            content = self.content
            content = self.content if settings.include_content else [{'kind': 'text'}]
        else:
            content = []
            for part in self.content:
                        'type': 'function',  # TODO https://github.com/pydantic/pydantic-ai/issues/888
                        'function': {
                            'name': part.tool_name,
                            'arguments': part.args,
 **({'arguments': part.args} if settings.include_content else {}),
                        },
                    }
                )
diff --git a/tests/models/test_instrumented.py b/tests/models/test_instrumented.py
                )
            ]
        ),
        ModelRequest(parts=[UserPromptPart('simple text prompt')]),
        ModelResponse(parts=[TextPart('text2'), ToolCallPart(tool_name='my_tool', args={'a': 13, 'b': 4})]),
        ModelRequest(parts=[ToolReturnPart('tool', 'tool_return_content', 'tool_call_1')]),
        ModelRequest(parts=[RetryPromptPart('retry_prompt', tool_name='tool', tool_call_id='tool_call_2')]),
                'gen_ai.message.index': 2,
                'event.name': 'gen_ai.user.message',
            },
            {
                'content': {'kind': 'text'},
                'role': 'user',
                'gen_ai.message.index': 3,
                'event.name': 'gen_ai.user.message',
            },
            {
                'role': 'assistant',
                'tool_calls': [
                    {
                        'id': IsStr(),
                        'type': 'function',
                        'function': {'name': 'my_tool', 'arguments': {'a': 13, 'b': 4}},
                        'function': {'name': 'my_tool'},
                    }
                ],
                'gen_ai.message.index':3,
                'gen_ai.message.index':4,
                'event.name': 'gen_ai.assistant.message',
            },
            {
                'role': 'tool',
                'id': 'tool_call_1',
                'name': 'tool',
                'gen_ai.message.index':4,
                'gen_ai.message.index':5,
                'event.name': 'gen_ai.tool.message',
            },
            {
                'role': 'tool',
                'id': 'tool_call_2',
                'name': 'tool',
                'gen_ai.message.index':5,
                'gen_ai.message.index':6,
                'event.name': 'gen_ai.tool.message',
            },
            {
                'content': [{'kind': 'text'}, {'kind': 'binary', 'media_type': 'application/pdf'}],
                'role': 'user',
                'gen_ai.message.index':6,
                'gen_ai.message.index':7,
                'event.name': 'gen_ai.user.message',
            },
        ]
Original file line number	Diff line number	Diff line change
Expand Up		@@ -413,7 +413,7 @@ class UserPromptPart:
		def otel_event(self, settings: InstrumentationSettings) -> Event:
		content: str \| list[dict[str, Any] \| str]
		if isinstance(self.content, str):
		content = self.content
		content = self.content if settings.include_content else [{'kind': 'text'}]
		else:
		content = []
		for part in self.content:
Expand DownExpand Up		@@ -743,7 +743,7 @@ def new_event_body():
		'type': 'function', # TODO https://github.com/pydantic/pydantic-ai/issues/888
		'function': {
		'name': part.tool_name,
		'arguments': part.args,
		**({'arguments': part.args} if settings.include_content else {}),
		},
		}
		)
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -859,6 +859,7 @@ def test_messages_without_content(document_content: BinaryContent):
		)
		]
		),
		ModelRequest(parts=[UserPromptPart('simple text prompt')]),
		ModelResponse(parts=[TextPart('text2'), ToolCallPart(tool_name='my_tool', args={'a': 13, 'b': 4})]),
		ModelRequest(parts=[ToolReturnPart('tool', 'tool_return_content', 'tool_call_1')]),
		ModelRequest(parts=[RetryPromptPart('retry_prompt', tool_name='tool', tool_call_id='tool_call_2')]),
Expand DownExpand Up		@@ -890,36 +891,42 @@ def test_messages_without_content(document_content: BinaryContent):
		'gen_ai.message.index': 2,
		'event.name': 'gen_ai.user.message',
		},
		{
		'content': {'kind': 'text'},
		'role': 'user',
		'gen_ai.message.index': 3,
		'event.name': 'gen_ai.user.message',
		},
		{
		'role': 'assistant',
		'tool_calls': [
		{
		'id': IsStr(),
		'type': 'function',
		'function': {'name': 'my_tool', 'arguments': {'a': 13, 'b': 4}},
		'function': {'name': 'my_tool'},
		}
		],
		'gen_ai.message.index':3,
		'gen_ai.message.index':4,
		'event.name': 'gen_ai.assistant.message',
		},
		{
		'role': 'tool',
		'id': 'tool_call_1',
		'name': 'tool',
		'gen_ai.message.index':4,
		'gen_ai.message.index':5,
		'event.name': 'gen_ai.tool.message',
		},
		{
		'role': 'tool',
		'id': 'tool_call_2',
		'name': 'tool',
		'gen_ai.message.index':5,
		'gen_ai.message.index':6,
		'event.name': 'gen_ai.tool.message',
		},
		{
		'content': [{'kind': 'text'}, {'kind': 'binary', 'media_type': 'application/pdf'}],
		'role': 'user',
		'gen_ai.message.index':6,
		'gen_ai.message.index':7,
		'event.name': 'gen_ai.user.message',
		},
		]
Expand Down