from pathlib import Path
from agno.agent import Agent
from agno.knowledge.docx import DocxKnowledgeBase
from agno.vectordb.pgvector import PgVector
db_url = "postgresql+psycopg://ai:ai@localhost:5532/ai"
# 使用 data/docs 目录中的 DOCX 文件创建知识库
knowledge_base = DocxKnowledgeBase(
path=Path("data/docs"),
vector_db=PgVector(
table_name="docx_documents",
db_url=db_url,
),
)
# 加载知识库
knowledge_base.load(recreate=False)
# 使用知识库创建 Agent
agent = Agent(
knowledge=knowledge_base,
search_knowledge=True,
)
# 询问 Agent 关于知识库的内容
agent.print_response("Ask me about something from the knowledge base", markdown=True)
创建虚拟环境
打开 Terminal
并创建一个 python 虚拟环境。
python3 -m venv .venv
source .venv/bin/activate
安装库
pip install -U sqlalchemy 'psycopg[binary]' pgvector python-docx agno
运行 PgVector
docker run -d \
-e POSTGRES_DB=ai \
-e POSTGRES_USER=ai \
-e POSTGRES_PASSWORD=ai \
-e PGDATA=/var/lib/postgresql/data/pgdata \
-v pgvolume:/var/lib/postgresql/data \
-p 5532:5432 \
--name pgvector \
agnohq/pgvector:16
运行 Agent
python cookbook/agent_concepts/knowledge/docx_kb.py