ChatGPT example for openAI using the terminal and python directly, and their new API

chatgpt.py

#!/usr/bin/env python
import requests

# replace with API key from https://platform.openai.com/account/api-keys
API_KEY = "YOUR API KEY HERE"

TONE = "friendly"
BOT_NAME = "AI"
YOUR_NAME = "Human"

DEFAULT_PROMPT = f"You are a {TONE} chat bot named {BOT_NAME}, talking to {YOUR_NAME} and trying to assist them. Try your best to give a helpful response, and directly answer questions or tasks."

# this function sends the text verabtim to the openai endpoint
# it may need an initial prompt to get the conversation going
def send_to_gpt(messages):
    # talk to the openai endpoint and make a request
    # https://beta.openai.com/docs/api-reference/completions/create
    headers = {
        "Authorization": f"Bearer {API_KEY}",
        "Content-Type": "application/json",
    }
    data = {
        "messages": messages,
        "model": "gpt-3.5-turbo",
    }
    r = requests.post(
        "https://api.openai.com/v1/chat/completions",
        headers=headers,
        json=data,
    )
    if "choices" not in r.json():
        print("Error: ", r.json())
        return ""
    return r.json()["choices"][0]["message"]["content"]

# An example of using a loop to keep track of previous messages and have a back and forth conversation

messages = []
messages.append({
    "role": "system",
    "content": DEFAULT_PROMPT
})

while True:
    messages.append({
        "role": "user",
        "content": input(YOUR_NAME + ": ")
    })
    response = send_to_gpt(messages)
    print(BOT_NAME + ": " + response)
    messages.append({
        "role": "assistant",
        "content": response
    })