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| # -*- coding: utf-8 -*- | |
| """nino bot | |
| Automatically generated by Colab. | |
| Original file is located at | |
| https://colab.research.google.com/drive/1UgXple_p_R-0mq9p5vhOmFPo9cgdayJy | |
| """ | |
| import gradio as gr | |
| from transformers import AutoModelForCausalLM, AutoTokenizer | |
| # Load the pretrained DialoGPT model | |
| model_name = "microsoft/DialoGPT-small" | |
| tokenizer = AutoTokenizer.from_pretrained(model_name) | |
| model = AutoModelForCausalLM.from_pretrained(model_name) | |
| # Hardcoded rule-based responses | |
| rules = { | |
| "hi": "Hello! How can I help you today?", | |
| "hello": "Hi there! How can I assist you?", | |
| "hey": "Hey! What can I do for you?", | |
| "how are you": "I'm just a bot, but I'm doing great! 😊 How about you?", | |
| "good morning": "Good morning! Hope you have a wonderful day!", | |
| "good afternoon": "Good afternoon! How can I help you?", | |
| "good evening": "Good evening! What can I do for you?", | |
| "bye": "Goodbye! Have a nice day! 👋", | |
| "thank you": "You're welcome! 😊", | |
| "thanks": "No problem! Happy to help!", | |
| "what is your name": "I'm your friendly chatbot assistant.", | |
| "help": "Sure! Ask me anything or type 'bye' to exit.", | |
| "what can you do": "I can answer simple questions and chat with you. Try saying hi!", | |
| "tell me a joke": "Why did the computer show up at work late? It had a hard drive!", | |
| "what time is it": "Sorry, I don't have a clock yet. But you can check your device's time!", | |
| "where are you from": "I'm from the cloud, here to assist you anytime!", | |
| "what is ai": "AI stands for Artificial Intelligence, which is intelligence demonstrated by machines.", | |
| "who created you": "I was created by a talented developer using Python and machine learning!", | |
| "how can i learn programming": "Start with basics like Python. There are many free tutorials online to get you started!", | |
| "ok": "ok", | |
| "who are you?": "I am nino", | |
| "hi nino": "hi there", | |
| } | |
| def respond(user_input, history): | |
| if not isinstance(history, list): | |
| history = [] | |
| if not isinstance(user_input, str): | |
| user_input = str(user_input) | |
| user_input_clean = user_input.lower().strip() | |
| if user_input_clean in rules: | |
| bot_reply = rules[user_input_clean] | |
| else: | |
| prompt = "" | |
| for user_msg, bot_msg in history: | |
| if bot_msg is not None: | |
| prompt += f"{user_msg} {tokenizer.eos_token}\n{bot_msg} {tokenizer.eos_token}\n" | |
| else: | |
| prompt += f"{user_msg} {tokenizer.eos_token}\n" | |
| prompt += f"{user_input} {tokenizer.eos_token}\n" | |
| inputs = tokenizer(prompt, return_tensors="pt") | |
| outputs = model.generate( | |
| **inputs, | |
| max_new_tokens=100, | |
| pad_token_id=tokenizer.eos_token_id, | |
| do_sample=True, | |
| temperature=0.7, | |
| top_p=0.9, | |
| ) | |
| generated_text = tokenizer.decode(outputs[0], skip_special_tokens=True) | |
| bot_reply = generated_text[len(prompt):].strip() | |
| if len(bot_reply) < 5 or bot_reply.lower() in ["", "idk", "i don't know", "huh"]: | |
| bot_reply = "I'm not sure how to respond to that. Can you rephrase it?" | |
| history.append((user_input, bot_reply)) | |
| return history, "", history | |
| def save_chat(history): | |
| try: | |
| with open("/tmp/chat_history.txt", "w", encoding="utf-8") as f: | |
| for user_msg, bot_msg in history: | |
| if bot_msg is not None: | |
| f.write(f"You: {user_msg}\nBot: {bot_msg}\n\n") | |
| else: | |
| f.write(f"You: {user_msg}\nBot: (No response)\n\n") | |
| except Exception as e: | |
| print("Error saving chat:", e) | |
| def process_input(user_input, history): | |
| try: | |
| result = respond(user_input, history) | |
| save_chat(result[0]) | |
| return result | |
| except Exception as e: | |
| error_message = f"Error: {str(e)}" | |
| if not isinstance(history, list): | |
| history = [] | |
| history.append((user_input, error_message)) | |
| return history, "", history | |
| with gr.Blocks() as demo: | |
| chatbot = gr.Chatbot() | |
| msg = gr.Textbox(placeholder="Type your message here...", show_label=False) | |
| state = gr.State([]) | |
| msg.submit(process_input, inputs=[msg, state], outputs=[chatbot, msg, state]) | |
| if __name__ == "__main__": | |
| demo.launch() | |