Python: OpenAI Clients accepting api_key callback (#1139)

* openai clients accepting callable

* fixes

* version checks

python/packages/core/tests/openai/test_openai_assistants_client.py

@@ -1258,3 +1258,18 @@ async def test_openai_assistants_client_agent_level_tool_persistence():
         assert second_response.text is not None
         # Should use the agent-level weather tool again
         assert any(term in second_response.text.lower() for term in ["miami", "sunny", "72"])
+
+
+# Callable API Key Tests
+def test_openai_assistants_client_with_callable_api_key() -> None:
+    """Test OpenAIAssistantsClient initialization with callable API key."""
+
+    async def get_api_key() -> str:
+        return "test-api-key-123"
+
+    client = OpenAIAssistantsClient(model_id="gpt-4o", api_key=get_api_key)
+
+    # Verify client was created successfully
+    assert client.model_id == "gpt-4o"
+    # OpenAI SDK now manages callable API keys internally
+    assert client.client is not None

python/packages/core/tests/openai/test_openai_chat_client.py

@@ -783,3 +783,17 @@ def test_openai_content_parser_data_content_image(openai_unit_test_env: dict[str
     # Should use custom filename
     assert result["type"] == "file"
     assert result["file"]["filename"] == "report.pdf"
+
+
+def test_openai_chat_client_with_callable_api_key() -> None:
+    """Test OpenAIChatClient initialization with callable API key."""
+
+    async def get_api_key() -> str:
+        return "test-api-key-123"
+
+    client = OpenAIChatClient(model_id="gpt-4o", api_key=get_api_key)
+
+    # Verify client was created successfully
+    assert client.model_id == "gpt-4o"
+    # OpenAI SDK now manages callable API keys internally
+    assert client.client is not None

python/packages/core/tests/openai/test_openai_responses_client.py

@@ -2088,3 +2088,17 @@ def test_prepare_options_store_parameter_handling() -> None:
     options = client._prepare_options(messages, chat_options)  # type: ignore
     assert options["store"] is False
     assert "previous_response_id" not in options
+
+
+def test_openai_responses_client_with_callable_api_key() -> None:
+    """Test OpenAIResponsesClient initialization with callable API key."""
+
+    async def get_api_key() -> str:
+        return "test-api-key-123"
+
+    client = OpenAIResponsesClient(model_id="gpt-4o", api_key=get_api_key)
+
+    # Verify client was created successfully
+    assert client.model_id == "gpt-4o"
+    # OpenAI SDK now manages callable API keys internally
+    assert client.client is not None