id stringlengths 14 15 | text stringlengths 49 2.47k | source stringlengths 61 166 |
|---|---|---|
088bd5c75607-0 | langchain API Reference¶
langchain._api¶
Helper functions for managing the LangChain API.
This module is only relevant for LangChain developers, not for users.
Warning
This module and its submodules are for internal use only. Do not use them
in your own code. We may change the API at any time with no warning.
Classes... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-1 | agents.agent.AgentOutputParser
Base class for parsing agent output into agent action/finish.
agents.agent.BaseMultiActionAgent
Base Multi Action Agent class.
agents.agent.BaseSingleActionAgent
Base Single Action Agent class.
agents.agent.ExceptionTool
Tool that just returns the query.
agents.agent.LLMSingleActionAgent
... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-2 | An agent that holds a conversation in addition to using tools.
agents.react.output_parser.ReActOutputParser
Output parser for the ReAct agent.
agents.react.base.DocstoreExplorer(docstore)
Class to assist with exploration of a document store.
agents.react.base.ReActChain
Chain that implements the ReAct paper.
agents.rea... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-3 | Information about a VectorStore.
agents.agent_toolkits.vectorstore.toolkit.VectorStoreRouterToolkit
Toolkit for routing between Vector Stores.
agents.agent_toolkits.vectorstore.toolkit.VectorStoreToolkit
Toolkit for interacting with a Vector Store.
agents.agent_toolkits.zapier.toolkit.ZapierToolkit
Zapier Toolkit.
agen... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-4 | agents.agent_toolkits.jira.toolkit.JiraToolkit
Jira Toolkit.
agents.agent_toolkits.github.toolkit.GitHubToolkit
GitHub Toolkit.
agents.agent_toolkits.powerbi.toolkit.PowerBIToolkit
Toolkit for interacting with Power BI dataset.
agents.agent_toolkits.json.toolkit.JsonToolkit
Toolkit for interacting with a JSON spec.
age... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-5 | Construct a Power BI agent from an LLM and tools.
agents.agent_toolkits.powerbi.chat_base.create_pbi_chat_agent(llm)
Construct a Power BI agent from a Chat LLM and tools.
agents.agent_toolkits.python.base.create_python_agent(...)
Construct a python agent from an LLM and tool.
agents.agent_toolkits.spark.base.create_spa... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-6 | Cache provides an optional caching layer for LLMs.
Cache is useful for two reasons:
It can save you money by reducing the number of API calls you make to the LLM
provider if you’re often requesting the same completion multiple times.
It can speed up your application by reducing the number of API calls you make
to the L... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-7 | Callback Handler that logs metrics and artifacts to mlflow server.
callbacks.mlflow_callback.MlflowLogger(**kwargs)
Callback Handler that logs metrics and artifacts to mlflow server.
callbacks.human.HumanApprovalCallbackHandler(...)
Callback for manually validating values.
callbacks.human.HumanRejectedException
Excepti... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-8 | callbacks.manager.AsyncCallbackManager(handlers)
Async callback manager that handles callbacks from LangChain.
callbacks.manager.AsyncCallbackManagerForChainRun(*, ...)
Async callback manager for chain run.
callbacks.manager.AsyncCallbackManagerForLLMRun(*, ...)
Async callback manager for LLM run.
callbacks.manager.Asy... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-9 | Callback Handler that logs to Weights and Biases.
callbacks.flyte_callback.FlyteCallbackHandler()
This callback handler that is used within a Flyte task.
callbacks.utils.BaseMetadataCallbackHandler()
This class handles the metadata and associated function states for callbacks.
callbacks.streaming_stdout.StreamingStdOut... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-10 | callbacks.tracers.schemas.BaseRun
Base class for Run.
callbacks.tracers.schemas.ChainRun
Class for ChainRun.
callbacks.tracers.schemas.LLMRun
Class for LLMRun.
callbacks.tracers.schemas.Run
Run schema for the V2 API in the Tracer.
callbacks.tracers.schemas.ToolRun
Class for ToolRun.
callbacks.tracers.schemas.TracerSess... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-11 | callbacks.tracers.stdout.ConsoleCallbackHandler(...)
Tracer that prints to the console.
callbacks.tracers.stdout.FunctionCallbackHandler(...)
Tracer that calls a function with a single str parameter.
callbacks.tracers.evaluation.EvaluatorCallbackHandler(...)
A tracer that runs a run evaluator whenever a run is persiste... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-12 | Analyze text using textstat and spacy.
callbacks.mlflow_callback.construct_html_from_prompt_and_generation(...)
Construct an html element from a prompt and a generation.
callbacks.mlflow_callback.import_mlflow()
Import the mlflow python package and raise an error if it is not installed.
callbacks.openai_info.get_openai... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-13 | callbacks.utils.load_json(json_path)
Load json file to a string.
callbacks.wandb_callback.analyze_text(text)
Analyze text using textstat and spacy.
callbacks.wandb_callback.construct_html_from_prompt_and_generation(...)
Construct an html element from a prompt and a generation.
callbacks.wandb_callback.import_wandb()
Im... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-14 | chains.prompt_selector.BasePromptSelector
Base class for prompt selectors.
chains.prompt_selector.ConditionalPromptSelector
Prompt collection that goes through conditionals.
chains.sequential.SequentialChain
Chain where the outputs of one chain feed directly into next.
chains.sequential.SimpleSequentialChain
Simple cha... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-15 | chains.router.base.MultiRouteChain
Use a single chain to route an input to one of multiple candidate chains.
chains.router.base.Route(destination, ...)
Create new instance of Route(destination, next_inputs)
chains.router.base.RouterChain
Chain that outputs the name of a destination chain and the inputs to it.
chains.ro... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-16 | chains.retrieval_qa.base.RetrievalQA
Chain for question-answering against an index.
chains.retrieval_qa.base.VectorDBQA
Chain for question-answering against a vector database.
chains.api.base.APIChain
Chain that makes API calls and summarizes the responses to answer a question.
chains.api.openapi.chain.OpenAPIEndpointC... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-17 | Combining documents by mapping a chain over them, then combining results.
chains.llm_symbolic_math.base.LLMSymbolicMathChain
Chain that interprets a prompt and executes python code to do symbolic math.
chains.llm_checker.base.LLMCheckerChain
Chain for question-answering with self-verification.
chains.sql_database.query... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-18 | Chain for question-answering against a graph by generating gremlin statements.
chains.graph_qa.arangodb.ArangoGraphQAChain
Chain for question-answering against a graph by generating AQL statements.
chains.graph_qa.kuzu.KuzuQAChain
Chain for question-answering against a graph by generating Cypher statements for Kùzu.
ch... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-19 | chains.openai_functions.base.create_structured_output_chain(...)
Create an LLMChain that uses an OpenAI function to get a structured output.
chains.openai_functions.citation_fuzzy_match.create_citation_fuzzy_match_chain(llm)
Create a citation fuzzy match chain.
chains.openai_functions.extraction.create_extraction_chain... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-20 | chains.query_constructor.parser.get_parser([...])
Returns a parser for the query language.
chains.query_constructor.parser.v_args(...)
chains.sql_database.query.create_sql_query_chain(llm, db)
Create a chain that generates SQL queries.
langchain.chat_models¶
Chat Models are a variation on language models.
While Chat Mo... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-21 | chat_models.anthropic.ChatAnthropic
Anthropic's large language chat model.
chat_models.mlflow_ai_gateway.ChatMLflowAIGateway
Wrapper around chat LLMs in the MLflow AI Gateway.
chat_models.mlflow_ai_gateway.ChatParams
Parameters for the MLflow AI Gateway LLM.
chat_models.anyscale.ChatAnyscale
Wrapper around Anyscale Cha... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-22 | docstore.in_memory.InMemoryDocstore([_dict])
Simple in memory docstore in the form of a dict.
langchain.document_loaders¶
Document Loaders are classes to load Documents.
Document Loaders are usually used to load a lot of Documents in a single run.
Class hierarchy:
BaseLoader --> <name>Loader # Examples: TextLoader, U... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-23 | Loader that uses Unstructured to load PNG and JPG files.
document_loaders.roam.RoamLoader(path)
Loads Roam files from disk.
document_loaders.s3_directory.S3DirectoryLoader(bucket)
Loading logic for loading documents from an AWS S3.
document_loaders.iugu.IuguLoader(resource[, ...])
Loader that fetches data from IUGU.
do... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-24 | document_loaders.notiondb.NotionDBLoader(...)
Notion DB Loader.
document_loaders.rss.RSSFeedLoader([urls, ...])
Loader that uses newspaper to load news articles from RSS feeds.
document_loaders.embaas.BaseEmbaasLoader
Base class for embedding a model into an Embaas document extraction API.
document_loaders.embaas.Embaa... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-25 | document_loaders.youtube.GoogleApiClient([...])
A Generic Google Api Client.
document_loaders.youtube.GoogleApiYoutubeLoader(...)
Loads all Videos from a Channel
document_loaders.youtube.YoutubeLoader(video_id)
Loads Youtube transcripts.
document_loaders.python.PythonLoader(file_path)
Load Python files, respecting any ... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-26 | Loads all child links from a given url.
document_loaders.twitter.TwitterTweetLoader(...)
Twitter tweets loader.
document_loaders.markdown.UnstructuredMarkdownLoader(...)
Loader that uses Unstructured to load markdown files.
document_loaders.merge.MergedDataLoader(loaders)
Merge documents from a list of loaders
document... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-27 | document_loaders.pdf.PDFPlumberLoader(file_path)
Loader that uses pdfplumber to load PDF files.
document_loaders.pdf.PyMuPDFLoader(file_path)
Loader that uses PyMuPDF to load PDF files.
document_loaders.pdf.PyPDFDirectoryLoader(path)
Loads a directory with PDF files with pypdf and chunks at character level.
document_lo... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-28 | document_loaders.xml.UnstructuredXMLLoader(...)
Loader that uses unstructured to load XML files.
document_loaders.nuclia.NucliaLoader(path, ...)
Extract text from any file type.
document_loaders.toml.TomlLoader(source)
A TOML document loader that inherits from the BaseLoader class.
document_loaders.url_playwright.Playw... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-29 | Load text files.
document_loaders.figma.FigmaFileLoader(...)
Loads Figma file json.
document_loaders.obs_file.OBSFileLoader(...)
Loader for Huawei OBS file.
document_loaders.csv_loader.CSVLoader(file_path)
Loads a CSV file into a list of documents.
document_loaders.csv_loader.UnstructuredCSVLoader(...)
Loader that uses... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-30 | document_loaders.googledrive.GoogleDriveLoader
Loads Google Docs from Google Drive.
document_loaders.odt.UnstructuredODTLoader(...)
Loader that uses unstructured to load OpenOffice ODT files.
document_loaders.email.OutlookMessageLoader(...)
Loads Outlook Message files using extract_msg.
document_loaders.email.Unstructu... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-31 | document_loaders.rocksetdb.ColumnNotFoundError(...)
Column not found error.
document_loaders.rocksetdb.RocksetLoader(...)
Wrapper around Rockset db
document_loaders.confluence.ConfluenceLoader(url)
Load Confluence pages.
document_loaders.confluence.ContentFormat(value)
Enumerator of the content formats of Confluence pa... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-32 | document_loaders.parsers.pdf.PyPDFParser([...])
Loads a PDF with pypdf and chunks at character level.
document_loaders.parsers.pdf.PyPDFium2Parser()
Parse PDFs with PyPDFium2.
document_loaders.parsers.audio.OpenAIWhisperParser([...])
Transcribe and parse audio files.
document_loaders.parsers.audio.OpenAIWhisperParserLo... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-33 | document_loaders.parsers.language.javascript.JavaScriptSegmenter(code)
The code segmenter for JavaScript.
document_loaders.blob_loaders.file_system.FileSystemBlobLoader(path, *)
Blob loader for the local file system.
document_loaders.blob_loaders.schema.Blob
A blob is used to represent raw data by either reference or v... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-34 | document_loaders.unstructured.validate_unstructured_version(...)
Raises an error if the unstructured version does not exceed the specified minimum.
document_loaders.whatsapp_chat.concatenate_rows(...)
Combine message information in a readable format ready to be used.
langchain.document_transformers¶
Document Transforme... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-35 | Functions¶
document_transformers.embeddings_redundant_filter.get_stateful_documents(...)
Convert a list of documents to a list of documents with state.
document_transformers.openai_functions.create_metadata_tagger(...)
Create a DocumentTransformer that uses an OpenAI function chain to automatically
langchain.embeddings... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-36 | embeddings.bedrock.BedrockEmbeddings
Bedrock embedding models.
embeddings.self_hosted_hugging_face.SelfHostedHuggingFaceEmbeddings
HuggingFace embedding models on self-hosted remote hardware.
embeddings.self_hosted_hugging_face.SelfHostedHuggingFaceInstructEmbeddings
HuggingFace InstructEmbedding models on self-hosted ... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-37 | Custom Sagemaker Inference Endpoints.
embeddings.deepinfra.DeepInfraEmbeddings
Deep Infra's embedding inference service.
embeddings.huggingface_hub.HuggingFaceHubEmbeddings
HuggingFaceHub embedding models.
embeddings.edenai.EdenAiEmbeddings
EdenAI embedding.
embeddings.localai.LocalAIEmbeddings
LocalAI embedding models... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-38 | LangChain primitives such as language models and chains.
Loading an evaluator
To load an evaluator, you can use the load_evaluators or
load_evaluator functions with the
names of the evaluators to load.
from langchain.evaluation import load_evaluator
evaluator = load_evaluator("qa")
evaluator.evaluate_strings(
predi... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-39 | StringEvaluator: Evaluate a prediction string against a reference label and/or input context.
PairwiseStringEvaluator: Evaluate two prediction strings against each other. Useful for scoring preferences, measuring similarity between two chain or llm agents, or comparing outputs on similar inputs.
AgentTrajectoryEvaluato... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-40 | A chain for evaluating ReAct style agents.
evaluation.agents.trajectory_eval_chain.TrajectoryOutputParser
Trajectory output parser.
evaluation.comparison.eval_chain.LabeledPairwiseStringEvalChain
A chain for comparing two outputs, such as the outputs
evaluation.comparison.eval_chain.PairwiseStringEvalChain
A chain for ... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-41 | Networkx wrapper for entity graph operations.
graphs.kuzu_graph.KuzuGraph(db[, database])
Kùzu wrapper for graph operations.
graphs.rdf_graph.RdfGraph([source_file, ...])
RDFlib wrapper for graph operations.
graphs.nebula_graph.NebulaGraph(space[, ...])
NebulaGraph wrapper for graph operations NebulaGraph inherits meth... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-42 | access to the large language model (LLM) APIs and services.
Class hierarchy:
BaseLanguageModel --> BaseLLM --> LLM --> <name> # Examples: AI21, HuggingFaceHub, OpenAI
Main helpers:
LLMResult, PromptValue,
CallbackManagerForLLMRun, AsyncCallbackManagerForLLMRun,
CallbackManager, AsyncCallbackManager,
AIMessage, BaseMes... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-43 | llms.mosaicml.MosaicML
MosaicML LLM service.
llms.azureml_endpoint.AzureMLEndpointClient(...)
AzureML Managed Endpoint client.
llms.azureml_endpoint.AzureMLOnlineEndpoint
Azure ML Online Endpoint models.
llms.azureml_endpoint.ContentFormatterBase()
Transform request and response of AzureML endpoint to match with requir... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-44 | Wrapper around Minimax large language models.
llms.beam.Beam
Beam API for gpt2 large language model.
llms.ctransformers.CTransformers
C Transformers LLM models.
llms.xinference.Xinference
Wrapper for accessing Xinference's large-scale model inference service.
llms.google_palm.GooglePalm
Google PaLM models.
llms.predict... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-45 | Create a new model by parsing and validating input data from keyword arguments.
llms.tongyi.Tongyi
Tongyi Qwen large language models.
llms.ollama.Ollama
Ollama locally run large language models.
llms.petals.Petals
Petals Bloom models.
llms.octoai_endpoint.OctoAIEndpoint
OctoAI LLM Endpoints.
llms.edenai.EdenAI
Wrapper ... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-46 | llms.fireworks.Fireworks
Wrapper around Fireworks large language models.
llms.fireworks.FireworksChat
Wrapper around Fireworks Chat large language models.
llms.fake.FakeListLLM
Fake LLM for testing purposes.
llms.promptlayer_openai.PromptLayerOpenAI
PromptLayer OpenAI large language models.
llms.promptlayer_openai.Prom... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-47 | llms.fireworks.acompletion_with_retry(llm, ...)
Use tenacity to retry the async completion call.
llms.fireworks.completion_with_retry(llm, ...)
Use tenacity to retry the completion call.
llms.fireworks.execute(prompt, model, api_key)
Execute LLM query
llms.fireworks.update_token_usage(keys, ...)
Update token usage.
llm... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-48 | load.serializable.BaseSerialized
Base class for serialized objects.
load.serializable.Serializable
Serializable base class.
load.serializable.SerializedConstructor
Serialized constructor.
load.serializable.SerializedNotImplemented
Serialized not implemented.
load.serializable.SerializedSecret
Serialized secret.
load.lo... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-49 | VectorStoreRetriever-backed memory.
memory.buffer_window.ConversationBufferWindowMemory
Buffer for storing conversation memory inside a limited size window.
memory.combined.CombinedMemory
Combining multiple memories' data together.
memory.summary_buffer.ConversationSummaryBufferMemory
Buffer with summarizer for storing... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-50 | Chat message history stored in a Postgres database.
memory.chat_message_histories.zep.ZepChatMessageHistory(...)
Chat message history that uses Zep as a backend.
memory.chat_message_histories.dynamodb.DynamoDBChatMessageHistory(...)
Chat message history that stores history in AWS DynamoDB.
memory.chat_message_histories... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-51 | Main helpers:
Serializable, Generation, PromptValue
Classes¶
output_parsers.list.CommaSeparatedListOutputParser
Parse the output of an LLM call to a comma-separated list.
output_parsers.list.ListOutputParser
Parse the output of an LLM call to a list.
output_parsers.boolean.BooleanOutputParser
Parse the output of an LLM... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-52 | output_parsers.json.SimpleJsonOutputParser
Parse the output of an LLM call to a JSON object.
output_parsers.pydantic.PydanticOutputParser
Parse an output using a pydantic model.
output_parsers.enum.EnumOutputParser
Parse an output that is one of a set of values.
output_parsers.retry.RetryOutputParser
Wraps a parser and... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-53 | prompts.few_shot.FewShotChatMessagePromptTemplate
Chat prompt template that supports few-shot examples.
prompts.few_shot.FewShotPromptTemplate
Prompt template that contains few shot examples.
prompts.prompt.Prompt
alias of PromptTemplate
prompts.prompt.PromptTemplate
A prompt template for a language model.
prompts.chat... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-54 | prompts.base.check_valid_template(template, ...)
Check that template string is valid.
prompts.base.jinja2_formatter(template, **kwargs)
Format a template using jinja2.
prompts.base.validate_jinja2(template, ...)
Validate that the input variables are valid for the template.
prompts.example_selector.ngram_overlap.ngram_o... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-55 | Retrieves documents from a ChatGPT plugin.
retrievers.web_research.LineList
List of questions.
retrievers.web_research.QuestionListOutputParser
Output parser for a list of numbered questions.
retrievers.web_research.SearchQueries
Search queries to run to research for the user's goal.
retrievers.web_research.WebResearch... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-56 | retrievers.knn.KNNRetriever
KNN Retriever.
retrievers.multi_query.LineList
List of lines.
retrievers.multi_query.LineListOutputParser
Output parser for a list of lines.
retrievers.multi_query.MultiQueryRetriever
Given a user query, use an LLM to write a set of queries.
retrievers.vespa_retriever.VespaRetriever
Retrieve... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-57 | retrievers.kendra.TextWithHighLights
Text with highlights.
retrievers.weaviate_hybrid_search.WeaviateHybridSearchRetriever
Retriever for the Weaviate's hybrid search.
retrievers.merger_retriever.MergerRetriever
Retriever that merges the results of multiple retrievers.
retrievers.ensemble.EnsembleRetriever
This class en... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-58 | retrievers.document_compressors.embeddings_filter.EmbeddingsFilter
Document compressor that uses embeddings to drop documents unrelated to the query.
retrievers.document_compressors.cohere_rerank.CohereRerank
DocumentCompressor that uses Cohere's rerank API to compress documents.
retrievers.document_compressors.base.Ba... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-59 | retrievers.kendra.combined_text(item)
Combines a ResultItem title and excerpt into a single string.
retrievers.knn.create_index(contexts, embeddings)
Create an index of embeddings for a list of contexts.
retrievers.milvus.MilvusRetreiver(*args, ...)
Deprecated MilvusRetreiver.
retrievers.pinecone_hybrid_search.create_i... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-60 | alias of StrOutputParser
schema.output_parser.OutputParserException(error)
Exception that output parsers should raise to signify a parsing error.
schema.output_parser.StrOutputParser
OutputParser that parses LLMResult into the top likely string..
schema.document.BaseDocumentTransformer()
Abstract base class for documen... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-61 | schema.output.GenerationChunk
Create a new model by parsing and validating input data from keyword arguments.
schema.output.LLMResult
Class that contains all results for a batched LLM call.
schema.output.RunInfo
Class that contains metadata for a single execution of a Chain or model.
schema.agent.AgentAction(tool, tool... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-62 | Convert sequence of Messages to strings and concatenate them into one string.
schema.messages.messages_from_dict(messages)
Convert a sequence of messages from dicts to Message objects.
schema.messages.messages_to_dict(messages)
Convert a sequence of Messages to a list of dictionaries.
schema.prompt_template.format_docu... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-63 | RunEvalConfig.Criteria("helpfulness"),
RunEvalConfig.Criteria({
"fifth-grader-score": "Do you have to be smarter than a fifth grader to answer this question?"
}),
]
)
client = Client()
run_on_dataset(
client,
"<my_dataset_name>",
construct_chain,
evaluation=evaluation_con... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-64 | Configuration for a run evaluation.
smith.evaluation.runner_utils.InputFormatError
Raised when the input format is invalid.
smith.evaluation.string_run_evaluator.ChainStringRunMapper
Extract items to evaluate from the run object from a chain.
smith.evaluation.string_run_evaluator.LLMStringRunMapper
Extract items to eva... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-65 | Text Splitters are classes for splitting text.
Class hierarchy:
BaseDocumentTransformer --> TextSplitter --> <name>TextSplitter # Example: CharacterTextSplitter
RecursiveCharacterTextSplitter --> <name>TextSplitter
Note: MarkdownHeaderTextSplitter does not derive from Text... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-66 | text_splitter.Tokenizer(chunk_overlap, ...)
Functions¶
text_splitter.split_text_on_tokens(*, text, ...)
Split incoming text and return chunks using tokenizer.
langchain.tools¶
Tools are classes that an Agent uses to interact with the world.
Each tool has a description. Agent uses the description to choose the right
too... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-67 | tools.spark_sql.tool.InfoSparkSQLTool
Tool for getting metadata about a Spark SQL.
tools.spark_sql.tool.ListSparkSQLTool
Tool for getting tables names.
tools.spark_sql.tool.QueryCheckerTool
Use an LLM to check if a query is correct.
tools.spark_sql.tool.QuerySparkSQLTool
Tool for querying a Spark SQL.
tools.shell.tool.... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-68 | tools.playwright.navigate.NavigateToolInput
Input for NavigateToolInput.
tools.playwright.click.ClickTool
Tool for clicking on an element with the given CSS selector.
tools.playwright.click.ClickToolInput
Input for ClickTool.
tools.playwright.navigate_back.NavigateBackTool
Navigate back to the previous page in the brow... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-69 | tools.office365.base.O365BaseTool
Base class for the Office 365 tools.
tools.office365.send_message.O365SendMessage
Tool for sending an email in Office 365.
tools.office365.send_message.SendMessageSchema
Input for SendMessageTool.
tools.office365.send_event.O365SendEvent
Tool for sending calendar events in Office 365.
... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-70 | Input for GetMessageTool.
tools.gmail.get_thread.GmailGetThread
Tool that gets a thread by ID from Gmail.
tools.brave_search.tool.BraveSearch
Tool that queries the BraveSearch.
tools.openapi.utils.api_models.APIOperation
A model for a single API operation.
tools.openapi.utils.api_models.APIProperty
A model for a proper... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-71 | tools.requests.tool.RequestsPutTool
Tool for making a PUT request to an API endpoint.
tools.pubmed.tool.PubmedQueryRun
Tool that searches the PubMed API.
tools.file_management.file_search.FileSearchInput
Input for FileSearchTool.
tools.file_management.file_search.FileSearchTool
Tool that searches for files in a subdire... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-72 | tools.azure_cognitive_services.form_recognizer.AzureCogsFormRecognizerTool
Tool that queries the Azure Cognitive Services Form Recognizer API.
tools.openweathermap.tool.OpenWeatherMapQueryRun
Tool that queries the OpenWeatherMap API.
tools.jira.tool.JiraAction
Tool that queries the Atlassian Jira API.
tools.bing_search... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-73 | tools.ddg_search.tool.DuckDuckGoSearchResults
Tool that queries the DuckDuckGo search API and gets back json.
tools.ddg_search.tool.DuckDuckGoSearchRun
Tool that queries the DuckDuckGo search API.
tools.graphql.tool.BaseGraphQLTool
Base tool for querying a GraphQL API.
tools.json.tool.JsonGetValueTool
Tool for getting ... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-74 | Create a pydantic schema from a function's signature.
tools.base.tool(*args[, return_direct, ...])
Make tools out of functions, can be used with or without arguments.
tools.convert_to_openai.format_tool_to_openai_function(tool)
Format tool into the OpenAI function API.
tools.ddg_search.tool.DuckDuckGoSearchTool(...)
De... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-75 | Run an async coroutine.
tools.plugin.marshal_spec(txt)
Convert the yaml or json serialized spec to a dict.
tools.python.tool.sanitize_input(query)
Sanitize input to the python REPL.
tools.steamship_image_generation.utils.make_image_public(...)
Upload a block to a signed URL and return the public URL.
langchain.utilitie... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-76 | utilities.tensorflow_datasets.TensorflowDatasets
Access to the TensorFlow Datasets.
utilities.dataforseo_api_search.DataForSeoAPIWrapper
Wrapper around the DataForSeo API.
utilities.metaphor_search.MetaphorSearchAPIWrapper
Wrapper for Metaphor Search API.
utilities.google_search.GoogleSearchAPIWrapper
Wrapper for Googl... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-77 | utilities.bash.BashProcess([strip_newlines, ...])
Wrapper class for starting subprocesses.
utilities.graphql.GraphQLAPIWrapper
Wrapper around GraphQL API.
Functions¶
utilities.loading.try_load_from_hub(path, ...)
Load configuration from hub.
utilities.powerbi.fix_table_name(table)
Add single quotes around table names t... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-78 | Row-wise cosine similarity between two equal-width matrices.
utils.math.cosine_similarity_top_k(X, Y[, ...])
Row-wise cosine similarity with optional top-k and score threshold filtering.
utils.strings.comma_list(items)
Convert a list to a comma-separated string.
utils.strings.stringify_dict(data)
Stringify a dictionary... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-79 | vectorstores.awadb.AwaDB([table_name, ...])
Interface implemented by AwaDB vector stores.
vectorstores.marqo.Marqo(client, index_name)
Wrapper around Marqo database.
vectorstores.opensearch_vector_search.OpenSearchVectorSearch(...)
Wrapper around OpenSearch as a vector database.
vectorstores.starrocks.StarRocks(embeddi... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-80 | Initialize wrapper around the Zilliz vector database.
vectorstores.tair.Tair(embedding_function, ...)
Wrapper around Tair Vector store.
vectorstores.pgembedding.BaseModel(**kwargs)
A simple constructor that allows initialization from kwargs.
vectorstores.pgembedding.CollectionStore(...)
A simple constructor that allows... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-81 | vectorstores.elastic_vector_search.ElasticKnnSearch(...)
ElasticKnnSearch is a class for performing k-nearest neighbor (k-NN) searches on text data using Elasticsearch.
vectorstores.elastic_vector_search.ElasticVectorSearch(...)
Wrapper around Elasticsearch as a vector database.
vectorstores.qdrant.Qdrant(client, ...[,... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-82 | vectorstores.alibabacloud_opensearch.AlibabaCloudOpenSearchSettings(...)
Opensearch Client Configuration Attribute: endpoint (str) : The endpoint of opensearch instance, You can find it from the console of Alibaba Cloud OpenSearch. instance_id (str) : The identify of opensearch instance, You can find it fro... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-83 | vectorstores.atlas.AtlasDB(name[, ...])
Wrapper around Atlas: Nomic's neural database and rhizomatic instrument.
vectorstores.hologres.Hologres(...[, ndims, ...])
VectorStore implementation using Hologres.
vectorstores.hologres.HologresWrapper(...)
vectorstores.mongodb_atlas.MongoDBAtlasVectorSearch(...)
Wrapper around... | https://api.python.langchain.com/en/latest/api_reference.html |
088bd5c75607-84 | Import annoy if available, otherwise raise error.
vectorstores.clickhouse.has_mul_sub_str(s, *args)
Check if a string contains multiple substrings.
vectorstores.faiss.dependable_faiss_import([...])
Import faiss if available, otherwise raise error.
vectorstores.myscale.has_mul_sub_str(s, *args)
Check if a string contain... | https://api.python.langchain.com/en/latest/api_reference.html |
b69aa00ac138-0 | langchain_experimental API Reference¶
langchain_experimental.autonomous_agents¶
Classes¶
autonomous_agents.hugginggpt.hugginggpt.HuggingGPT(...)
autonomous_agents.hugginggpt.repsonse_generator.ResponseGenerationChain
Chain to execute tasks.
autonomous_agents.hugginggpt.repsonse_generator.ResponseGenerator(...)
autonomo... | https://api.python.langchain.com/en/latest/experimental_api_reference.html |
b69aa00ac138-1 | Action returned by AutoGPTOutputParser.
autonomous_agents.autogpt.output_parser.AutoGPTOutputParser
Output parser for AutoGPT.
autonomous_agents.autogpt.output_parser.BaseAutoGPTOutputParser
Base Output parser for AutoGPT.
autonomous_agents.autogpt.agent.AutoGPT(...)
Agent class for interacting with Auto-GPT.
autonomou... | https://api.python.langchain.com/en/latest/experimental_api_reference.html |
b69aa00ac138-2 | llms.jsonformer_decoder.JsonFormer
Jsonformer wrapped LLM using HuggingFace Pipeline API.
Functions¶
llms.jsonformer_decoder.import_jsonformer()
Lazily import jsonformer.
llms.rellm_decoder.import_rellm()
Lazily import rellm.
langchain_experimental.pal_chain¶
Implements Program-Aided Language Models.
As in https://arxi... | https://api.python.langchain.com/en/latest/experimental_api_reference.html |
b69aa00ac138-3 | langchain_experimental.sql¶
Chain for interacting with SQL Database.
Classes¶
sql.base.SQLDatabaseChain
Chain for interacting with SQL Database.
sql.base.SQLDatabaseSequentialChain
Chain for querying SQL database that is a sequential chain.
langchain_experimental.tot¶
Classes¶
tot.memory.ToTDFSMemory([stack])
Memory fo... | https://api.python.langchain.com/en/latest/experimental_api_reference.html |
87025ac1244e-0 | langchain.llms.fireworks.completion_with_retry¶
langchain.llms.fireworks.completion_with_retry(llm: Union[BaseFireworks, FireworksChat], **kwargs: Any) → Any[source]¶
Use tenacity to retry the completion call. | https://api.python.langchain.com/en/latest/llms/langchain.llms.fireworks.completion_with_retry.html |
de5bf662f185-0 | langchain.llms.azureml_endpoint.GPT2ContentFormatter¶
class langchain.llms.azureml_endpoint.GPT2ContentFormatter[source]¶
Content handler for GPT2
Attributes
accepts
The MIME type of the response data returned from the endpoint
content_type
The MIME type of the input data passed to the endpoint
Methods
__init__()
escap... | https://api.python.langchain.com/en/latest/llms/langchain.llms.azureml_endpoint.GPT2ContentFormatter.html |
4187a9c3b475-0 | langchain_experimental.llms.llamaapi.ChatLlamaAPI¶
class langchain_experimental.llms.llamaapi.ChatLlamaAPI[source]¶
Bases: BaseChatModel
Create a new model by parsing and validating input data from keyword arguments.
Raises ValidationError if the input data cannot be parsed to form a valid model.
param cache: Optional[... | https://api.python.langchain.com/en/latest/llms/langchain_experimental.llms.llamaapi.ChatLlamaAPI.html |
4187a9c3b475-1 | Top Level call
async agenerate_prompt(prompts: List[PromptValue], stop: Optional[List[str]] = None, callbacks: Optional[Union[List[BaseCallbackHandler], BaseCallbackManager]] = None, **kwargs: Any) → LLMResult¶
Asynchronously pass a sequence of prompts and return model generations.
This method should make use of batche... | https://api.python.langchain.com/en/latest/llms/langchain_experimental.llms.llamaapi.ChatLlamaAPI.html |
4187a9c3b475-2 | Use this method when calling pure text generation models and only the topcandidate generation is needed.
Parameters
text – String input to pass to the model.
stop – Stop words to use when generating. Model output is cut off at the
first occurrence of any of these substrings.
**kwargs – Arbitrary additional keyword argu... | https://api.python.langchain.com/en/latest/llms/langchain_experimental.llms.llamaapi.ChatLlamaAPI.html |
4187a9c3b475-3 | Creates a new model setting __dict__ and __fields_set__ from trusted or pre-validated data.
Default values are respected, but no other validation is performed.
Behaves as if Config.extra = ‘allow’ was set since it adds all passed values
copy(*, include: Optional[Union[AbstractSetIntStr, MappingIntStrAny]] = None, exclu... | https://api.python.langchain.com/en/latest/llms/langchain_experimental.llms.llamaapi.ChatLlamaAPI.html |
4187a9c3b475-4 | This method should make use of batched calls for models that expose a batched
API.
Use this method when you want to:
take advantage of batched calls,
need more output from the model than just the top generated value,
are building chains that are agnostic to the underlying language modeltype (e.g., pure text completion ... | https://api.python.langchain.com/en/latest/llms/langchain_experimental.llms.llamaapi.ChatLlamaAPI.html |
4187a9c3b475-5 | Parameters
text – The string input to tokenize.
Returns
A list of ids corresponding to the tokens in the text, in order they occurin the text.
invoke(input: Union[PromptValue, str, List[BaseMessage]], config: Optional[RunnableConfig] = None, *, stop: Optional[List[str]] = None, **kwargs: Any) → BaseMessageChunk¶
json(*... | https://api.python.langchain.com/en/latest/llms/langchain_experimental.llms.llamaapi.ChatLlamaAPI.html |
4187a9c3b475-6 | Parameters
text – String input to pass to the model.
stop – Stop words to use when generating. Model output is cut off at the
first occurrence of any of these substrings.
**kwargs – Arbitrary additional keyword arguments. These are usually passed
to the model provider API call.
Returns
Top model prediction as a string.... | https://api.python.langchain.com/en/latest/llms/langchain_experimental.llms.llamaapi.ChatLlamaAPI.html |
4187a9c3b475-7 | classmethod validate(value: Any) → Model¶
with_fallbacks(fallbacks: ~typing.Sequence[~langchain.schema.runnable.Runnable[~langchain.schema.runnable.Input, ~langchain.schema.runnable.Output]], *, exceptions_to_handle: ~typing.Tuple[~typing.Type[BaseException]] = (<class 'Exception'>,)) → RunnableWithFallbacks[Input, Out... | https://api.python.langchain.com/en/latest/llms/langchain_experimental.llms.llamaapi.ChatLlamaAPI.html |
0b29baa3a28c-0 | langchain.llms.loading.load_llm_from_config¶
langchain.llms.loading.load_llm_from_config(config: dict) → BaseLLM[source]¶
Load LLM from Config Dict. | https://api.python.langchain.com/en/latest/llms/langchain.llms.loading.load_llm_from_config.html |
End of preview. Expand in Data Studio
README.md exists but content is empty.
- Downloads last month
- 5