Create app.py
Browse files
app.py
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import gradio as gr
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import torch
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import sentencepiece as spm
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# ---------------------- Model & SentencePiece Loading ----------------------
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@torch.no_grad()
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def load_model():
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device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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model = torch.jit.load("best_model_scripted.pt", map_location=device).eval()
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return model, device
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def load_sp_model():
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sp = spm.SentencePieceProcessor()
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sp.load("spm.model")
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return sp
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# Cache models globally
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model, device = load_model()
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sp = load_sp_model()
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# ---------------------- Prediction Function ----------------------
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@torch.no_grad()
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def predict_next_words(text, max_predictions=3):
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if not text.strip():
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return []
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token_ids = sp.encode(text.strip(), out_type=int)
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if len(token_ids) == 0:
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return []
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input_seq = torch.tensor(token_ids, dtype=torch.long).unsqueeze(0).to(device)
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logits = model(input_seq)
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probabilities = torch.softmax(logits, dim=-1)
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top_indices = torch.topk(probabilities, k=max_predictions, dim=-1).indices.squeeze(0).tolist()
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predicted_pieces = [sp.id_to_piece(idx).lstrip("▁") for idx in top_indices]
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return predicted_pieces
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# ---------------------- Gradio App Functions ----------------------
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def submit_and_predict(text):
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suggestions = predict_next_words(text)
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suggestions += [""] * (3 - len(suggestions)) # Ensure 3 buttons always
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return suggestions
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def append_suggestion(text, suggestion):
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if suggestion:
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text += suggestion + " "
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return text
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# ---------------------- Gradio Interface ----------------------
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with gr.Blocks(title="Next Word Predictor") as app:
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gr.Markdown("# Next Word Prediction")
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gr.Markdown("Enter text and click 'Submit' to get word suggestions.")
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text_input = gr.Textbox(label="Your Text", placeholder="Type here...", lines=3)
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submit_btn = gr.Button("Submit", variant="primary")
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with gr.Row():
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suggestion_buttons = [gr.Button(visible=False) for _ in range(3)]
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submit_btn.click(
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fn=submit_and_predict,
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inputs=text_input,
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outputs=suggestion_buttons,
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)
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for btn in suggestion_buttons:
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btn.click(
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fn=append_suggestion,
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inputs=[text_input, btn],
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outputs=text_input
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)
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if __name__ == "__main__":
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app.launch()
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