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Installation and Verification

  1. Install LlamaIndex.
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    python3 -m pip install --upgrade pip setuptools wheel 
    python3 -m pip install llama-index==0.14.19
    
  2. Check whether LlamaIndex is successfully installed.
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    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
    
    If the following information is displayed, the installation is successful.
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    llama_index_version=0.14.19 
    llama_index_core_version=0.14.22 
    document_text=openEuler validation 
    node_count=1