安装与验证

python3 -m pip install --upgrade pip setuptools wheel 
python3 -m pip install llama-index==0.14.19

python3 - <<'PY'
import importlib.metadata as metadata
from llama_index.core import Document
from llama_index.core.node_parser import SentenceSplitter

print("llama_index_version=" + metadata.version("llama-index"))
print("llama_index_core_version=" + metadata.version("llama-index-core"))
document = Document(text="openEuler validation")
nodes = SentenceSplitter(chunk_size=128, chunk_overlap=0).get_nodes_from_documents([document])
print("document_text=" + document.text)
print("node_count=" + str(len(nodes)))
assert metadata.version("llama-index") == "0.14.19"
assert len(nodes) == 1
PY