Created
September 10, 2023 15:38
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def create_and_add_embeddings(self, file): | |
os.makedirs("data", exist_ok=True) | |
self.embeddings = OpenAIEmbeddings( | |
openai_api_key=cfg.OPENAI_API_KEY, | |
chunk_size=cfg.OPENAI_EMBEDDINGS_CHUNK_SIZE, | |
) | |
loader = PyMuPDFLoader(file) | |
documents = loader.load() | |
text_splitter = CharacterTextSplitter( | |
chunk_size=cfg.CHARACTER_SPLITTER_CHUNK_SIZE, | |
chunk_overlap=0, | |
) | |
docs = text_splitter.split_documents(documents) | |
self.text_deeplake_schema = DeepLake( | |
dataset_path=cfg.TEXT_VECTORSTORE_PATH, | |
embedding_function=self.embeddings, | |
overwrite=True, | |
) | |
self.text_deeplake_schema.add_documents(docs) | |
self.text_retriever = self.text_deeplake_schema.as_retriever( | |
search_type="similarity" | |
) | |
self.text_retriever.search_kwargs["distance_metric"] = "cos" | |
self.text_retriever.search_kwargs["fetch_k"] = 15 | |
self.text_retriever.search_kwargs["maximal_marginal_relevance"] = True | |
self.text_retriever.search_kwargs["k"] = 3 |
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