Function demo_complete_then_partial

examples/tools/tool_args_flow_demo.py:72–118

Demo what happens when model sends complete JSON then partial update.

()

def demo_complete_then_partial():
    """Demo what happens when model sends complete JSON then partial update."""
    print("\n" + "=" * 60)
    print("COMPLETE THEN PARTIAL DEMO - Same ID scenario")
    print("=" * 60)
    print("Same call_id means chunks should merge (preserving first values)")

    acc = ToolCallAccumulator()

    # Same ID - these should merge
    chunk1 = [
        {
            "id": "call_456",
            "index": 0,
            "function": {
                "name": "call_tool",
                "arguments": '{"tool_name": "normal_cdf", "x": 9.067}',
            },
        }
    ]

    chunk2 = [
        {
            "id": "call_456",  # SAME ID - will merge
            "index": 0,
            "function": {
                "name": "",
                "arguments": '{"x": 4.617}',  # Different x value - should be ignored
            },
        }
    ]

    print("\n1. CHUNK 1 (id=call_456, x=9.067):")
    acc.process_chunk_tool_calls(chunk1)

    print("\n2. CHUNK 2 (id=call_456, x=4.617) - same ID, should merge:")
    acc.process_chunk_tool_calls(chunk2)

    print("\n3. RESULT (should have x=9.067 - first value preserved):")
    result = acc.finalize()
    for tc in result:
        parsed = json.loads(tc["function"]["arguments"])
        print(f"   x = {parsed.get('x')}")
        if parsed.get("x") == 9.067:
            print("   ✓ CORRECT: First value preserved")
        else:
            print("   ✗ WRONG: Expected 9.067")


def demo_different_ids():