feat: add gemini embeddings

Author: VinciGit00

scrapegraphai/graphs/abstract_graph.py

@@ -1,16 +1,14 @@
 """
 AbstractGraph Module
 """
-
 from abc import ABC, abstractmethod
 from typing import Optional
-
-from langchain_aws.embeddings.bedrock import BedrockEmbeddings
-from langchain_community.embeddings import HuggingFaceHubEmbeddings, OllamaEmbeddings
 from langchain_openai import AzureOpenAIEmbeddings, OpenAIEmbeddings
-
+from langchain_community.embeddings import HuggingFaceHubEmbeddings, OllamaEmbeddings
 from ..helpers import models_tokens
 from ..models import AzureOpenAI, Bedrock, Gemini, Groq, HuggingFace, Ollama, OpenAI, Claude
+from langchain_aws.embeddings.bedrock import BedrockEmbeddings
+from langchain_google_genai import GoogleGenerativeAIEmbeddings
 
 
 class AbstractGraph(ABC):
@@ -69,7 +67,7 @@ def _set_model_token(self, llm):
                 self.model_token = models_tokens["azure"][llm.model_name]
             except KeyError:
                 raise KeyError("Model not supported")
-                
+
         elif 'HuggingFaceEndpoint' in str(type(llm)):
             if 'mistral' in llm.repo_id:
                 try:
@@ -229,29 +227,30 @@ def _create_embedder(self, embedder_config: dict) -> object:
 
         if 'model_instance' in embedder_config:
             return embedder_config['model_instance']
-        
         # Instantiate the embedding model based on the model name
         if "openai" in embedder_config["model"]:
             return OpenAIEmbeddings(api_key=embedder_config["api_key"])
-
         elif "azure" in embedder_config["model"]:
             return AzureOpenAIEmbeddings()
-
         elif "ollama" in embedder_config["model"]:
             embedder_config["model"] = embedder_config["model"].split("/")[-1]
             try:
                 models_tokens["ollama"][embedder_config["model"]]
             except KeyError as exc:
                 raise KeyError("Model not supported") from exc
             return OllamaEmbeddings(**embedder_config)
-
         elif "hugging_face" in embedder_config["model"]:
             try:
                 models_tokens["hugging_face"][embedder_config["model"]]
             except KeyError as exc:
                 raise KeyError("Model not supported")from exc
             return HuggingFaceHubEmbeddings(model=embedder_config["model"])
-
+        elif "gemini" in embedder_config["model"]:
+            try:
+                models_tokens["gemini"][embedder_config["model"]]
+            except KeyError as exc:
+                raise KeyError("Model not supported")from exc
+            return GoogleGenerativeAIEmbeddings(model=embedder_config["model"])
         elif "bedrock" in embedder_config["model"]:
             embedder_config["model"] = embedder_config["model"].split("/")[-1]
             try: