mem0/embedchain/embedder/google.py

from typing import Optional

import google.generativeai as genai
from chromadb import EmbeddingFunction, Embeddings

from embedchain.config.embedder.google import GoogleAIEmbedderConfig
from embedchain.embedder.base import BaseEmbedder
from embedchain.models import VectorDimensions


class GoogleAIEmbeddingFunction(EmbeddingFunction):
    def __init__(self, config: Optional[GoogleAIEmbedderConfig] = None) -> None:
        super().__init__()
        self.config = config or GoogleAIEmbedderConfig()

    def __call__(self, input: str) -> Embeddings:
        model = self.config.model
        title = self.config.title
        task_type = self.config.task_type
        embeddings = genai.embed_content(model=model, content=input, task_type=task_type, title=title)
        return embeddings["embedding"]


class GoogleAIEmbedder(BaseEmbedder):
    def __init__(self, config: Optional[GoogleAIEmbedderConfig] = None):
        super().__init__(config)
        embedding_fn = GoogleAIEmbeddingFunction(config=config)
        self.set_embedding_fn(embedding_fn=embedding_fn)

        vector_dimension = VectorDimensions.GOOGLE_AI.value
        self.set_vector_dimension(vector_dimension=vector_dimension)