Implement the get_bert_ctm_embeddings function and embedding generation and loading logic

+import os
+import numpy as np
+from BERT_CTM import BERT_CTM_Model  # 假设BERT_CTM模型在这个文件中
+
+# BERT_CTM 嵌入生成和加载函数
+def get_bert_ctm_embeddings(texts, bert_model_path, ctm_tokenizer_path, n_components=12, num_epochs=20, save_path=None):
+    """
+    获取或生成 BERT+CTM 嵌入，并保存到文件。
+    
+    :param texts: 需要嵌入的文本
+    :param bert_model_path: BERT 模型的路径
+    :param ctm_tokenizer_path: CTM tokenizer 的路径
+    :param n_components: 生成的主题数量
+    :param num_epochs: 训练的epoch数
+    :param save_path: 嵌入保存路径
+    :return: 生成或加载的嵌入
+    """
+    # 检查是否已经存在保存的嵌入文件
+    if save_path and os.path.exists(save_path):
+        print(f"从文件 {save_path} 加载嵌入...")
+        embeddings = np.load(save_path)
+    else:
+        print("生成 BERT+CTM 嵌入...")
+        bert_ctm_model = BERT_CTM_Model(
+            bert_model_path=bert_model_path,
+            ctm_tokenizer_path=ctm_tokenizer_path,
+            n_components=n_components,
+            num_epochs=num_epochs
+        )
+        embeddings = bert_ctm_model.train(texts)  # 生成嵌入
+
+        # 保存嵌入到文件
+        if save_path:
+            print(f"保存嵌入到文件 {save_path}...")
+            np.save(save_path, embeddings)
+
+    return embeddings
+
+
+if __name__ == "__main__":
+    # 示例调用
+    sample_texts = ["This is a test text.", "Another example of text data."]
+    bert_model_path = './bert_model'
+    ctm_tokenizer_path = './sentence_bert_model'
+    save_path = 'sample_embeddings.npy'
+
+    # 生成或加载 BERT+CTM 嵌入
+    embeddings = get_bert_ctm_embeddings(sample_texts, bert_model_path, ctm_tokenizer_path, save_path=save_path)
+
+    # 打印嵌入形状
+    print(f"嵌入形状: {embeddings.shape}")