app.py

from transformers import AutoTokenizer, AutoModelForSeq2SeqLM

# Load model directly
from transformers import AutoTokenizer, AutoModelForSeq2SeqLM

tokenizer = AutoTokenizer.from_pretrained("HafijulHoquenabid2/T5_flanlarge_phase_1")
model = AutoModelForSeq2SeqLM.from_pretrained("HafijulHoquenabid2/T5_flanlarge_phase_1")
# Domain-specific example questions and contexts
data = [
    {
        "question": "How can I enable two-factor authentication during the setup process for the smart door lock?",
        "context": """
Setting Up Your Smart Door Lock: Comprehensive Instructions

A smart door lock allows you to lock and unlock your doors remotely through mobile apps or voice assistants, adding convenience and security to your home. Below are the step-by-step instructions for setting up your smart door lock properly, ensuring optimal functionality and security.

Step 1: Unboxing and Preparing the Components
1. Unbox your smart door lock package. Ensure it contains:
   - The smart lock device.
   - Deadbolt assembly (if applicable).
   - Mounting plate.
   - Battery pack.
   - Screws, bolts, and brackets.
   - User manual.
2. Identify the components and verify against the manual's checklist. If any item is missing, contact the manufacturer immediately.

Step 2: Removing the Existing Lock
1. Use a screwdriver to remove your existing deadbolt or lock.
2. Carefully detach the strike plate from the door frame.
3. Ensure the door is free of debris or old hardware.

Step 3: Installing the Smart Lock
1. Align the deadbolt assembly with the hole in your door.
2. Secure the assembly with the provided screws.
3. Attach the mounting plate to the door's interior side, ensuring proper alignment with the deadbolt assembly.
4. Connect the smart lock device to the mounting plate using the screws and brackets provided.

Step 4: Configuring the Smart Lock
1. Insert the battery pack into the smart lock device and power it on.
2. Download the manufacturer's mobile app on your smartphone.
3. Open the app and create an account if you don’t already have one.
4. Follow the on-screen instructions to connect the smart lock to your Wi-Fi network. Ensure your network is secured with a strong password.

Step 5: Enabling Security Features
1. Navigate to the app's settings menu and select “Security Settings.”
2. Enable two-factor authentication by linking your phone number or email.
3. Configure a backup PIN code to unlock the door in case of app failure.
4. Set permissions for other users if required.

Step 6: Testing the Smart Lock
1. Lock and unlock the door using the app to verify functionality.
2. Test the manual override feature with the provided physical key.
3. Check the responsiveness of any connected voice assistants (e.g., Alexa, Google Assistant).

Step 7: Finalizing the Setup
1. Review the app's activity log to ensure no unauthorized access attempts.
2. Enable auto-lock and geofencing features for additional convenience.
3. Familiarize yourself with the customer support options for troubleshooting.

Additional Tips:
- Regularly update the smart lock’s firmware to ensure compatibility and security.
- Replace the batteries periodically or when low-battery alerts appear.
- Avoid sharing your PIN or app credentials with untrusted individuals.
"""
    }
]

# Generate responses using attention mask
for item in data:
    # Combine question and context
    input_text = f"question: {item['question']} context: {item['context']}"

    # Tokenize the input with attention mask
    inputs = tokenizer(
        input_text,
        max_length=512,
        padding="max_length",
        truncation=True,
        return_tensors="pt"
    )

    # Generate response
    outputs = model.generate(
        input_ids=inputs["input_ids"],
        attention_mask=inputs["attention_mask"],
        max_length=150,
        num_beams=4,
        early_stopping=True
    )

    # Decode and print the response
    answer = tokenizer.decode(outputs[0], skip_special_tokens=True)
    print(f"Question: {item['question']}")
    print(f"Generated Answer: {answer}")
    print("-" * 80)