fromlangchain.document_loadersimportWebBaseLoader loader=WebBaseLoader("https://raw.githubusercontent.com/RutamBhagat/code_wizard_frontend/main/README.md")docs=loader.load()print(docs[0].page_content[:500])>>># Code Wizard: LangChain Documentation AI ChatbotCode Wizardisasupercool AI chatbot tha...
''' 第一种用法 ''' from langchain.document_loaders import PyPDFLoader loader = PyPDFLoader("...
1）通过 Document Loaders 加载各种不同类型的数据源，2）通过 Text Splitters 进行文本语义分割 3）通过...
document_loaders import TextLoader # Eval from langchain.evaluation.qa import QAEvalChain llm = OpenAI(temperature=0, openai_api_key=openai_api_key) 代码语言:javascript 复制 # 还是使用爱丽丝漫游仙境作为文本输入 loader = TextLoader('wonderland.txt') doc = loader.load() print (f"You have {...
Pythonimportosfromlangchain.document_loadersimportTextLoaderfromlangchain.embeddings.openaiimportOpenAIEmbeddingsfromlangchain.vectorstoresimportDeepLake os.environ['OPENAI_API_KEY']='YOUR KEY HERE'os.environ['ACTIVELOOP_TOKEN']='YOUR KEY HERE'embeddings=OpenAIEmbeddings(disallowed_special=()) ...
community.document_loaders.s3_file import S3FileLoader# MinIO Configuration for the public testing serverendpoint = 'play.min.io:9000'access_key = 'minioadmin'secret_key = 'minioadmin'use_ssl = True# Initialize and load a single documentfile_loader = S3FileLoader( bucket='web-documentation'...
loader = document_loaders.UnstructuredFileLoader(filepath, autodetect_encoding=True) docs = loader.load() CHUNK_SIZE = 250 OVERLAP_SIZE = 50 splitter_name = 'AliTextSplitter' text_splitter = make_text_splitter(splitter_name, CHUNK_SIZE, OVERLAP_SIZE) ...
fromlangchain.document_loadersimportPySparkDataFrameLoader loader = PySparkDataFrameLoader(spark, wikipedia_dataframe, page_content_column="text") documents = loader.load() The following notebook showcases an example where the PySpark DataFrame loader is used to create a retrieval based chatbot that is...
fromlangchain_community.document_loadersimportPyPDFLoader loader = PyPDFLoader("3399.pdf") docs = loader.load() 注意,根据我的观察,LangChain的PDF loader 是基于 pypdf 的,而实际上pypdf 不是很好用,对表格之类的信息更是一塌糊涂,我更喜欢自己解析一下PDF文件。详情可以看这篇文章:【记录】Python|处理...
// Price to run from zero(create embeddings and request to LLM): 0,015$// Price to re-run if database is exists: 0,0004$// Dependencies: LangChain, LangChain.Databases.Sqlite, LangChain.DocumentLoaders.Pdf// Initialize modelsvarprovider=newOpenAiProvider(Environment.GetEnvironmentVariable("OPE...