OpenAI JSON Schema Validation

from openai import OpenAI
client = OpenAI()

# Define your JSON Schema
response_schema = {
  "type": "object",
  "properties": {
    "summary": {"type": "string"},
    "sentiment": {
      "type": "string", 
      "enum": ["positive", "neutral", "negative"]
    },
    "key_points": {
      "type": "array",
      "items": {"type": "string"}
    }
  },
  "required": ["summary", "sentiment", "key_points"]
}

# Use with structured output
response = client.chat.completions.create(
  model="gpt-4-turbo-preview",
  messages=[{"role": "user", "content": "Analyze this text..."}],
  response_format={
    "type": "json_schema",
    "json_schema": {
      "name": "text_analysis",
      "strict": True,  # Ensures 100% compliance
      "schema": response_schema
    }
  }
)

# Define function schema
functions = [{
  "name": "get_weather",
  "description": "Get weather for a location",
  "parameters": {
    "type": "object",
    "properties": {
      "location": {
        "type": "string",
        "description": "City and state"
      },
      "unit": {
        "type": "string",
        "enum": ["celsius", "fahrenheit"]
      }
    },
    "required": ["location"]
  }
}]

# Call with function
response = client.chat.completions.create(
  model="gpt-4",
  messages=[{"role": "user", "content": "What's the weather in NYC?"}],
  functions=functions,
  function_call="auto"
)

# Response will include validated function call:
# {
#   "name": "get_weather",
#   "arguments": {"location": "New York, NY", "unit": "fahrenheit"}
# }