93 lines
3.2 KiB
Python
93 lines
3.2 KiB
Python
import chromadb
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import hashlib
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import pandas as pd
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from chromadb.config import Settings
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from chromadb.utils.embedding_functions.ollama_embedding_function import OllamaEmbeddingFunction
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from tqdm import tqdm
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from app.core.config import OLLAMA_URL
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# 读取 csv 文件
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# csv_file_path = r'D:/Files/csv/output/output.csv'
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# image_path = r'D:/images-clean'
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# df = pd.read_csv(csv_file_path, encoding='Windows-1252')
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# 创建 Chroma 客户端
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client = chromadb.Client(Settings(is_persistent=True, persist_directory="/vector_db"))
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# client = chromadb.Client(Settings(is_persistent=True, persist_directory="./service/search_image_with_text/vector_db"))
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# client = chromadb.Client(Settings(is_persistent=True, persist_directory="D:/workspace/AiDLab/vector_db"))
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# 创建集合
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# embedding_fn = OllamaEmbeddingFunction(url="http://localhost:11434/api/embeddings", model_name="mxbai-embed-large")
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embedding_fn = OllamaEmbeddingFunction(url=OLLAMA_URL, model_name="mxbai-embed-large")
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# def create_collection():
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# collection = client.get_or_create_collection("sub_sketches_description", embedding_function=embedding_fn)
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#
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# # 存储数据，包括自定义属性
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# images_description = []
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# images_metadata = []
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# ids = []
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# batch_size = 41666 # 最大批量大小
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# for index, row in tqdm(df.iterrows()):
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# # 将图片的md5作为id
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# with open(image_path + row['path'], 'rb') as f:
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# image_data = f.read()
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# md5_value = hashlib.md5(image_data).hexdigest()
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# ids.append(md5_value)
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# images_description.append(row['description'])
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# images_metadata.append({
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# "gender": row['gender'],
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# "path": row['path']
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# })
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#
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# # 将数据添加到集合
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# # 每达到 batch_size 就执行一次 upsert
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# if len(ids) >= batch_size:
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# collection.upsert(
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# ids=list(ids),
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# documents=images_description,
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# metadatas=images_metadata # 添加自定义属性
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# )
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# # 清空列表以准备下一批数据
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# ids.clear()
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# images_description.clear()
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# images_metadata.clear()
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#
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# if ids:
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# collection.upsert(
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# ids=list(ids),
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# documents=images_description,
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# metadatas=images_metadata # 添加自定义属性
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# )
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#
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# print("Data successfully stored in the vector database.")
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def query(gender, content):
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collection = client.get_collection("sub_sketches_description", embedding_function=embedding_fn)
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# 6. 查询相似内容
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user_gender = gender.lower() # 用户输入的性别
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user_content = content # 用户输入的内容
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results = collection.query(
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query_texts=user_content,
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n_results=5, # 返回前 5 个结果
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where={"gender": user_gender} # 根据性别过滤
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)
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# 输出结果
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resp = []
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for document, result in zip(results['documents'][0], results['metadatas'][0]):
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# print("Path:", result['path'])
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# print("Content:", document)
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resp.append(result['path'])
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return resp
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if __name__ == '__main__':
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# create_collection()
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query("female", "I need a long sleeve dress")
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