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story_generation
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import gradio as gr
from transformers import AutoModelForCausalLM, AutoTokenizer, pipeline
import torch
import spaces
import os 

import gc 
import torch

# Create the necessary directories
os.makedirs('.gradio/cached_examples/17', exist_ok=True)

def get_model_name(language):
    """Map language choice to the corresponding model."""
    model_mapping = {
        "English": "microsoft/Phi-3-mini-4k-instruct",
        "Arabic": "ALLaM-AI/ALLaM-7B-Instruct-preview"
    }
    return model_mapping.get(language, "ALLaM-AI/ALLaM-7B-Instruct-preview")  # Default to Arabic model

def load_model(model_name):
    device = "cuda" if torch.cuda.is_available() else "cpu"
    model = AutoModelForCausalLM.from_pretrained(
        model_name,
        device_map=device,
        torch_dtype="auto",
        trust_remote_code=True,
    )
    tokenizer = AutoTokenizer.from_pretrained(model_name)
    generator = pipeline(
        "text-generation",
        model=model,
        tokenizer=tokenizer,
        return_full_text=False,
        max_new_tokens=500,
        do_sample=True,  # Enable sampling for more creative outputs
        top_k=50,        # Control diversity
        top_p=0.95       # Control diversity
    )
    del model 
    del tokenizer
    
    return generator


@spaces.GPU
def generate_kids_story(character, setting, language):
    model_name = get_model_name(language)
    generator = load_model(model_name)

    # Define prompt for the AI model
    if language == "English":
        prompt = (f"Write a short story for kids about a character named {character} who goes on an adventure in {setting}. "
                  "Make it fun, engaging, and suitable for children.")
    else:
        prompt = (f"اكتب قصة قصيرة للأطفال عن شخصية اسمها {character} التي تذهب في مغامرة في {setting}. "
                  "اجعلها ممتعة وجذابة ومناسبة للأطفال.")

    messages = [{"role": "user", "content": prompt}]
    output = generator(messages)
    
    # Delete model and associated objects 
    del generator
    # Run garbage collection
    gc.collect ()
    # Empty CUDA cache
    torch.cuda.empty_cache()
    
    return output[0]["generated_text"]


css_style = """
    body {
        background-image: url('https://cdna.artstation.com/p/assets/images/images/074/776/904/large/pietro-chiovaro-r1-castle-chp.jpg?1712916847');
        background-size: cover;
        background-position: center;
        color: #fff;  /* General text color */
        font-family: 'Arial', sans-serif;
    }"""
# Create Gradio interface
demo = gr.Interface(
    fn=generate_kids_story,
    inputs=[
        gr.Textbox(placeholder="Enter a character name (e.g., Benny the Bunny)...", label="Character Name"),
        gr.Textbox(placeholder="Enter a setting (e.g., a magical forest)...", label="Setting"),
        gr.Dropdown(
            choices=["English", "Arabic"],
            label="Choose Language",
            value="English"  # Default to English
        )
    ],
    outputs=gr.Textbox(label="Kids' Story"),
    title="📖 AI Kids' Story Generator - English & Arabic 📖",
    description="Enter a character name and a setting, and AI will generate a fun short story for kids in English or Arabic.",
    examples=[
        ["Benny the Bunny", "a magical forest", "English"],
        ["علي البطل", "غابة سحرية", "Arabic"],
        ["Lila the Ladybug", "a garden full of flowers", "English"],
        ["ليلى الجنية", "حديقة مليئة بالأزهار", "Arabic"]
    ],
    css= css_style,
)

# Launch the Gradio app
demo.launch()