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Azure App Configuration - Python ChatApp Sample

This sample demonstrates using Azure App Configuration to configure Azure OpenAI settings for a chat application built with Python.

Features

  • Integrates with Azure OpenAI for chat completions
  • Dynamically refreshes configuration from Azure App Configuration

Prerequisites

  • Python 3.8 or later
  • An Azure subscription with access to:
    • Azure App Configuration service
    • Azure OpenAI service
  • Required environment variables:
    • AZURE_APPCONFIG_ENDPOINT: URL of your Azure App Configuration instance
    • AZURE_OPENAI_API_KEY: API key for Azure OpenAI (optional if stored in Azure App Configuration)

Setup

  1. Clone the repository
  2. Install the required packages: 
    pip install -r requirements.txt
  3. Configure your Azure App Configuration store with these settings: 
    ChatApp:AzureOpenAI:Endpoint - Your Azure OpenAI endpoint URL
ChatApp:AzureOpenAI:DeploymentName - Your Azure OpenAI deployment name
ChatApp:AzureOpenAI:ApiVersion - API version for Azure OpenAI (e.g., "2023-05-15")
ChatApp:AzureOpenAI:ApiKey - Your Azure OpenAI API key (preferably as a Key Vault reference)
ChatApp:Model - An AI configuration entry containing the following settings:
  - model - Model name (e.g., "gpt-35-turbo")
  - max_tokens - Maximum tokens for completion (e.g., 1000)
  - temperature - Temperature parameter (e.g., 0.7)
  - top_p - Top p parameter (e.g., 0.95)
  - messages - An array of messages with role and content for each message

Example JSON object for ChatApp:Model:
```json
{
  "model": "gpt-35-turbo",
  "max_tokens": 1000,
  "temperature": 0.7,
  "top_p": 0.95,
  "messages": [
    {
      "role": "system",
      "content": "You are a helpful assistant."
    },
    {
      "role": "user",
      "content": "Tell me about Azure App Configuration."
    }
  ]
}
  4. Set the required environment variables: 
    export AZURE_APPCONFIG_ENDPOINT="https://your-appconfig.azconfig.io"
export AZURE_OPENAI_API_KEY="your-openai-api-key"  # Optional if stored in Azure App Configuration

Running the Application

Start the console application:

python app.py

The application will:

  1. Display the initial configured messages from Azure App Configuration
  2. Generate a response from the AI
  3. Prompt you to enter your message (type 'exit' to quit)
  4. Maintain conversation history during the session

Configuration Refresh

The application refreshes the configuration at the beginning of each conversation cycle, so any changes made to the base configuration in Azure App Configuration will be incorporated into the model parameters (temperature, max_tokens, etc.) while maintaining your ongoing conversation history.