本页面提供一个知识库 viking_knowledgebase通过 Python SDK 创建知识库、上传文档和检索查询的完整流程请求示例，注意使用时根据实际情况填充账户、知识库、文件和查询信息。

from volcengine.viking_knowledgebase import VikingKnowledgeBaseService, Collection, Doc, Point
from volcengine.viking_knowledgebase.common import Field, FieldType, IndexType, EmbddingModelType

viking_knowledgebase_service = VikingKnowledgeBaseService(host="api-knowledgebase.mlp.cn-beijing.volces.com", scheme="https")
viking_knowledgebase_service.set_ak("Your ak")
viking_knowledgebase_service.set_sk("Your sk")

collection_name = "your_collection_name"
description = ""

# 默认参数构建知识库
# my_collection = viking_knowledgebase_service.create_collection(collection_name)

# 自定义index配置、preprocess文档配置构建知识库
index = {
   "index_type": IndexType.HNSW_HYBRID,
   "index_config": {
        "fields": [{
            "field_name": "chunk_len",
            "field_type": FieldType.Int64,
            "default_val": 0
            }],
        "cpu_quota": 1,
        "embedding_model":EmbddingModelType.EmbeddingModelBgeLargeZhAndM3
  }
}
preprocessing = {
    "chunk_length" :200
}
my_collection = viking_knowledgebase_service.create_collection(collection_name=collection_name, description=description, index=index, preprocessing=preprocessing)

# 获取collection详细信息
my_collection = viking_knowledgebase_service.get_collection(collection_name=collection_name)

# 由tos路径上传doc
tos_path = ""
my_collection.add_doc(add_type="tos", tos_path=tos_path)

# 由url上传doc
url = "your url"
my_collection.add_doc(add_type="url", doc_id="your_doc_id", doc_name="your_doc_name", doc_type="", url=url)

# 查询
query = ""
points = viking_knowledgebase_service.search_collection(collection_name=collection_name, query=query)

for point in points:
    print(point.content)
    print(point.score)