pip install llama-index-embeddings-openai 2.基础知识 2.1简单的索引 fromllama_index.coreimportSettings,VectorStoreIndex,get_response_synthesizer,\SimpleDirectoryReaderfromllama_index.llms.ollamaimportOllamafromllama_index.embeddings.ollamaimportOllamaEmbeddingfromllama_index.readers.fileimportPDFReader# Post p...
from llama_index.core import SummaryIndex summary_index = SummaryIndex(nodes=page_nodes) 然後整合 RouterQueryEngine,它可根據查詢型別有條件地決定是從摘要索引還是向量索引。 from llama_index.core.tools import QueryEngineTool from llama_index.core.query_engine.router_query_engine import RouterQueryEngine...
VectorStoreIndexfromllama_index.readers.file.baseimport(DEFAULT_FILE_READER_CLS,ImageReader,)fromllama_index.response.notebook_utilsimport(display_response,display_image,)fromllama_index.indices.query.query_transform.baseimport(ImageOutputQueryTransform,)# NOTE: we add filename as metadata for all docume...
line 21, in _try_loading_included_file_formats from llama_index.readers.file.base import ( ModuleNotFoundError: No module named 'llama_index.readers.file.base' File "/llama_index/core/readers/file/base.py", line 396, in load_data SimpleDirectoryReader.load_file( File "/llama_index/core/r...
from llama_index.vector_stores.qdrant import QdrantVectorStore from llama_index.core.node_parser import SentenceSplitter from llama_index.core.ingestion import IngestionPipeline from llama_index.readers.file import PyMuPDFReader from llama_index.core import Settings ...
虽然这个过程听起来颇为复杂,但得益于 LlamaIndex 提供的封装良好的函数,我们执行这些步骤更加容易些。 1.1 读取和处理数据 from llama_index.readers.file.flat_reader import FlatReader from llama_index.node_parser import UnstructuredElementNodeParser
fromllama_index.core.node_parserimportSimpleNodeParser fromllama_index.llms.openaiimportOpenAI loader = PyMuPDFReader() docs0 = loader.load(file_path=Path("./data/llama2.pdf")) doc_text ="\n\n".join([d.get_content()fordindocs0]) ...
现在我们能够定义LLM设置并输入文本,我们可以尝试使用Llama Index从文本中提取术语! 我们可以添加以下函数来初始化我们的LLM,并使用它从输入文本中提取术语。 from llama_index.core import Document, SummaryIndex, load_index_from_storage from llama_index.llms.openai import OpenAI ...
Bug Description when i use SimpleDirectoryReader, in 0.10.46 version, always tip File "/opt/anaconda3/lib/python3.11/site-packages/llama_index/core/readers/file/base.py", line 688, in load_data SimpleDirectoryReader.load_file( File "/opt...
loader = PyMuPDFReader() documents = loader.load(file_path=text_example_en_path) index = VectorStoreIndex.from_documents(documents) query_engine = index.as_query_engine(similarity_top_k=2) 在完成 RAG 检索引擎创建后,可以直接调用 LlamaIndex 的接口将它包装为一个 Agent 的工具,如下所示,同时需要...