Python: add Foundry local sample (#12214)

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Sample on how to use Foundry Local with SK.

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Author: eavanvalkenburg

python/samples/concepts/local_models/foundry_local_chatbot.py

@@ -0,0 +1,101 @@
+# Copyright (c) Microsoft. All rights reserved.
+
+import asyncio
+
+from foundry_local import FoundryLocalManager
+from openai import AsyncOpenAI
+
+from semantic_kernel.connectors.ai.open_ai import OpenAIChatCompletion, OpenAIChatPromptExecutionSettings
+from semantic_kernel.contents import ChatHistory
+
+"""
+This samples demonstrates how to use the Foundry Local model with the OpenAIChatCompletion service.
+The Foundry Local model is a local model that can be used to run the OpenAIChatCompletion service.
+To use this sample, you need to install the Foundry Local SDK and service.
+For the service refer to this guide: https://learn.microsoft.com/en-us/azure/ai-foundry/foundry-local/get-started
+To install the SDK, run the following command:
+`pip install foundry-local-sdk`
+"""
+
+# The way Foundry Local works, is that it picks the right variant of a model based on the
+# hardware available on the machine. For example, if you have a GPU, it will pick the GPU variant
+# of the model. If you have a CPU, it will pick the CPU variant of the model.
+# The model alias is the name of the model that you want to use.
+model_alias = "phi-4-mini"
+manager = FoundryLocalManager(model_alias)
+# next, download the model to the machine
+manager.download_model(model_alias)
+# load the model into memory
+manager.load_model(model_alias)
+
+service = OpenAIChatCompletion(
+    ai_model_id=manager.get_model_info(model_alias).id,
+    async_client=AsyncOpenAI(
+        base_url=manager.endpoint,
+        api_key=manager.api_key,
+    ),
+)
+# if needed, set the other parameters for the execution
+request_settings = OpenAIChatPromptExecutionSettings()
+# This is the system message that gives the chatbot its personality.
+system_message = """
+You are a chat bot. Your name is Mosscap and
+you have one goal: figure out what people need.
+Your full name, should you need to know it, is
+Splendid Speckled Mosscap. You communicate
+effectively, but you tend to answer with long
+flowery prose. Use the tools you have available!
+"""
+
+# Create a chat history object with the system message.
+chat_history = ChatHistory(system_message=system_message)
+
+
+async def chat() -> bool:
+    try:
+        user_input = input("User:> ")
+    except KeyboardInterrupt:
+        print("\n\nExiting chat...")
+        return False
+    except EOFError:
+        print("\n\nExiting chat...")
+        return False
+
+    if user_input == "exit":
+        print("\n\nExiting chat...")
+        return False
+
+    # Add the user message to the chat history so that the chatbot can respond to it.
+    chat_history.add_user_message(user_input)
+
+    # Get the chat message content from the chat completion service.
+    response = await service.get_chat_message_content(
+        chat_history=chat_history,
+        settings=request_settings,
+    )
+    if response:
+        print(f"Mosscap:> {response}")
+
+        # Add the chat message to the chat history to keep track of the conversation.
+        chat_history.add_message(response)
+
+    return True
+
+
+async def main() -> None:
+    # Start the chat loop. The chat loop will continue until the user types "exit".
+    chatting = True
+    while chatting:
+        chatting = await chat()
+
+
+"""
+Sample output:
+User:> Why is the sky blue in one sentence?
+Mosscap:> The sky appears blue due to Rayleigh scattering, where shorter blue wavelengths of sunlight are scattered in 
+    all directions by the gases and particles in Earth's atmosphere more than other colors.
+"""
+
+
+if __name__ == "__main__":
+    asyncio.run(main())