Create app.py

app.py

@@ -0,0 +1,46 @@
+import openai
+import os
+from flask import Flask, request, jsonify
+from flask_cors import CORS
+
+# Set your OpenAI API key
+openai.api_key = os.environ.get("OPENAI_API_KEY")
+
+app = Flask(__name__)
+CORS(app)
+
+@app.route("/api/chat", methods=["POST"])
+def chat():
+    user_messages = request.json["messages"]
+    
+    # Add a system message to set the context for the assistant
+    system_message = {
+        'role': 'system',
+        'content': 'You are ChatGPT, a large language model trained by OpenAI. Answer as concisely as possible. Knowledge cutoff: 2021-09 Current date: 2023-04-15'
+    }
+    user_messages.insert(0, system_message)
+
+    # Create a prompt for GPT-3.5 Turbo
+    prompt = ""
+    for message in user_messages:
+        prompt += f"{message['role']}: {message['content']}\n"
+    prompt += "Assistant:"
+    
+    # Make a request to the OpenAI API
+    response = openai.Completion.create(
+        engine="gpt-3.5-turbo",
+        prompt=prompt,
+        max_tokens=150,
+        n=1,
+        stop=None,
+        temperature=0.5,
+    )
+
+    # Extract the generated response from the API response
+    assistant_message = response.choices[0].text.strip()
+    total_tokens = response['usage']['total_tokens']
+
+    return jsonify({"message": assistant_message, "total_tokens": total_tokens})
+
+if __name__ == "__main__":
+    app.run(debug=True)