fix pooled

FeatureProject/bert/extract_keras_bert_feature.py

@@ -117,16 +117,22 @@ class KerasBertVector():
         # 相当于pool，采用的是https://github.com/terrifyzhao/bert-utils/blob/master/graph.py
         mul_mask = lambda x, m: x * np.expand_dims(m, axis=-1)
         masked_reduce_mean = lambda x, m: np.sum(mul_mask(x, m), axis=1) / (np.sum(m, axis=1, keepdims=True) + 1e-9)
-        pooled = masked_reduce_mean(predicts[0], input_masks)
+
+        pools = []
+        for i in range(len(predicts)):
+            pred = predicts[i]
+            masks = input_masks.tolist()
+            mask_np = np.array([masks[i]])
+            pooled = masked_reduce_mean(pred, mask_np)
             pooled = pooled.tolist()
-        print('bert:', pooled)
-        return pooled
+            pools.append(pooled[0])
+        print('bert:', pools)
+        return pools
 
 
 if __name__ == "__main__":
-    # 一次只提取一个句子
     bert_vector = KerasBertVector()
-    pooled = bert_vector.bert_encode(['你是谁呀'])
+    pooled = bert_vector.bert_encode(['你是谁呀', '小老弟'])
     print(pooled)
     while True:
         print("input:")