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bettafish-company/LLMTopicDetection_BERTopic/bertopic/backend/_base.py
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戒酒的李白 c5c530775e Add BERTopic.
2025-08-12 19:01:20 +08:00

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2.2 KiB
Python

import numpy as np
from typing import List
class BaseEmbedder:
"""The Base Embedder used for creating embedding models.
Arguments:
embedding_model: The main embedding model to be used for extracting
document and word embedding
word_embedding_model: The embedding model used for extracting word
embeddings only. If this model is selected,
then the `embedding_model` is purely used for
creating document embeddings.
"""
def __init__(self, embedding_model=None, word_embedding_model=None):
self.embedding_model = embedding_model
self.word_embedding_model = word_embedding_model
def embed(self, documents: List[str], verbose: bool = False) -> np.ndarray:
"""Embed a list of n documents/words into an n-dimensional
matrix of embeddings.
Arguments:
documents: A list of documents or words to be embedded
verbose: Controls the verbosity of the process
Returns:
Document/words embeddings with shape (n, m) with `n` documents/words
that each have an embeddings size of `m`
"""
pass
def embed_words(self, words: List[str], verbose: bool = False) -> np.ndarray:
"""Embed a list of n words into an n-dimensional
matrix of embeddings.
Arguments:
words: A list of words to be embedded
verbose: Controls the verbosity of the process
Returns:
Word embeddings with shape (n, m) with `n` words
that each have an embeddings size of `m`
"""
return self.embed(words, verbose)
def embed_documents(self, document: List[str], verbose: bool = False) -> np.ndarray:
"""Embed a list of n words into an n-dimensional
matrix of embeddings.
Arguments:
document: A list of documents to be embedded
verbose: Controls the verbosity of the process
Returns:
Document embeddings with shape (n, m) with `n` documents
that each have an embeddings size of `m`
"""
return self.embed(document, verbose)