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_index(...)
Create a Pinecone index from a list of contexts.
retrievers.pinecone_hybrid_search.hash_text(text)
Hash a text using SHA256.
retrievers.self_query.deeplake.can_cast_to_float(string)
Check if a string can be cast to a float.
retrievers.self_query.myscale.DEFAULT_COMPOSER(op_name)
Default composer for logical operators.
retrievers.self_query.myscale.FUNCTION_COMPOSER(op_name)
Composer for functions.
retrievers.svm.create_index(contexts, embeddings)
Create an index of embeddings for a list of contexts.
retrievers.zilliz.ZillizRetreiver(*args, ...)
Deprecated ZillizRetreiver.
langchain.schema¶
Schemas are the LangChain Base Classes and Interfaces.
Classes¶
schema.memory.BaseChatMessageHistory()
Abstract base class for storing chat message history.
schema.memory.BaseMemory
Abstract base class for memory in Chains.
schema.output_parser.BaseGenerationOutputParser
Create a new model by parsing and validating input data from keyword arguments.
schema.output_parser.BaseLLMOutputParser
Abstract base class for parsing the outputs of a model.
schema.output_parser.BaseOutputParser
Base class to parse the output of an LLM call.
schema.output_parser.NoOpOutputParser
alias of StrOutputParser
schema.output_parser.OutputParserException(error)