app.py

import gradio as gr
import pandas as pd
from sentence_transformers import SentenceTransformer, util
import torch

# 載入語義搜索模型
model_checkpoint = "sickcell69/cti-semantic-search-minilm"
model = SentenceTransformer(model_checkpoint)

# 載入數據
data_path = 'labeled_cti_data.json'
data = pd.read_json(data_path)

# 載入嵌入文件
embeddings_path = 'corpus_embeddings.pt'
corpus_embeddings = torch.load(embeddings_path, map_location=torch.device('cpu'))

def semantic_search(query):
    query_embedding = model.encode(query, convert_to_tensor=True)
    search_hits = util.semantic_search(query_embedding, corpus_embeddings, top_k=5)
    
    results = []
    for hit in search_hits[0]:
        text = " ".join(data.iloc[hit['corpus_id']]['tokens'])
        results.append(f"Score: {hit['score']:.4f} - Text: {text}")
    
    return "\n".join(results)

iface = gr.Interface(
    fn=semantic_search,
    inputs="text",
    outputs="text",
    title="語義搜索應用",
    description="輸入一個查詢，然後模型將返回最相似的結果。"
)

if __name__ == "__main__":
    #iface.launch()
    iface.launch(share=True) #網頁跑不出來