You are an e-commerce salesperson, and your task is to combine the user's chat with their previous purchase preferences, such as preference for red, and output information about the user's intention to purchase goods, such as ['sneakers', 'red']. Be careful not to output other irrelevant information, and remember that you only need to return similar product information, such as ['sneakers', 'red']. Their chat is: Hello A; System: May I help you? A: I want to buy a pair of casual shoes. User A's previous purchase preferences were: Color: Red; Price: 150-200;

Pipe install chromadb

import chromadb# 设置Chroma内存，方便快速原型设计。可以轻松添加持久性！client = chromadb.Client()# 创建集合。还可以使用get_collection、get_or_create_collection、delete_collection等方法！collection = client.create_collection("all-my-products")# 商品信息products = [{"id": "000001",  # 商品1的唯一标识符"title": "经典运动跑鞋","category": "运动鞋","price": 199.99,"description": "这是一双经典的运动跑鞋，适合户外运动和日常穿着。鞋面采用透气网布材料，轻盈舒适；中底采用缓震科技，提供稳定的支撑和舒适的脚感；外底采用耐磨橡胶，提供优越的抓地力。颜色：黑色/白色。","stock": 120,"sales": 35,"views": 550},{"id": "000002","title": "潮流运动篮球鞋","category": "篮球鞋","price": 299.99,"description": "这是一双时尚潮流的篮球鞋，适合篮球爱好者和潮流达人。鞋面采用PU皮革材料，坚固耐磨；中底采用气垫缓震技术，提供出色的支撑和缓震效果；外底采用耐磨橡胶，提供优秀的抓地力和耐磨性。颜色：红色/黑色。","stock": 80,"sales": 20,"views": 350},{"id": "000003","title": "休闲复古帆布鞋","category": "休闲鞋","price": 89.99,"description": "这是一双时尚休闲的帆布鞋，适合日常休闲穿着和出行。鞋面采用优质帆布材料，轻便透气；鞋底采用耐磨橡胶，提供良好的耐磨性和抓地力。颜色：蓝色/白色。","stock": 150,"sales": 45,"views": 700},{"id": "000004","title": "时尚百搭运动鞋","category": "休闲鞋","price": 149.99,"description": "这是一双时尚百搭的运动鞋，适合多种场合穿着。鞋面采用PU皮革材料，时尚耐磨；中底采用轻质EVA材料，提供舒适的缓震效果；外底采用耐磨橡胶，提供良好的抓地力。颜色：灰色/黑色。","stock": 100,"sales": 25,"views": 450},{"id": "000005","title": "运动户外登山鞋","category": "登山鞋","price": 399.99,"description": "这是一双专业的户外登山鞋，适合登山爱好者和野外探险者。鞋面采用防水透气皮革材料，具有优异的防水透气性；鞋底采用抗扭强度强的橡胶，提供稳定支撑和抓地力。颜色：棕色/绿色。","stock": 90,"sales": 30,"views": 600},{"id": "000006","title": "运动时尚休闲鞋","category": "休闲鞋","price": 129.99,"description": "这是一双时尚休闲的运动鞋，适合日常穿着和运动时穿着。鞋面采用透气网布材料，舒适透气；中底采用轻质EVA材料，提供良好的缓震效果；外底采用耐磨橡胶，提供良好的抓地力。颜色：灰色/白色。","stock": 130,"sales": 40,"views": 800},{"id": "000007","title": "时尚潮流滑板鞋","category": "休闲鞋","price": 179.99,"description": "这是一双时尚潮流的滑板鞋，适合滑板爱好者和潮流青年。鞋面采用PU皮革材料，时尚耐磨；鞋底采用耐磨橡胶，提供良好的抓地力和耐磨性。颜色：黑色/金色。","stock": 110,"sales": 15,"views": 400},]# 向集合添加商品信息for product in products:# 将商品信息转换为字符串类型document = f"{product['title']} {product['category']} {product['description']}"collection.add(documents=document,ids=product["id"]  # 提取商品的唯一标识符)# 查询/搜索2个最相似的结果。您也可以通过ID获取。results = collection.query(query_texts=["红色，休闲鞋"],n_results=2,# where={"metadata_field": "is_equal_to_this"},  # 可选筛选条件# where_document={"$contains":"search_string"}  # 可选筛选条件)print(results)