rixdagen/arango_client.py

import os
from typing import List

from ollama import Client
from arango.collection import Collection

from _arango._arango import Arango


class CustomArango(Arango):
    def __init__(self, db_name = 'riksdagen', user=None, password=None):
        super().__init__(db_name, user, password)


    def make_embeddings(self, texts: List[str]) -> List[List[float]]:
        """
        Generate embeddings for a list of texts using Ollama.

        Args:
            texts (List[str]): List of text strings to embed.

        Returns:
            List[List[float]]: List of embedding vectors.
        """
        ollama_client = Client(host='192.168.1.12:33405')

        embeddings = ollama_client.embed(
            model="qwen3-embedding:latest",
            input=texts,
            dimensions=384
        )
        return embeddings.embeddings

arango = CustomArango(
    db_name="riksdagen",
    user='riksdagen',
    password=os.getenv("ARANGO_PWD"),
)


if __name__ == "__main__":

    embeddings = arango.make_embeddings(["Vilka åtgärder bör vidtas för att hantera klimatförändringar?"])
    query = """LET query = @query_embedding

FOR doc IN chunks
  LET score = APPROX_NEAR_COSINE(doc.embedding, query)
  SORT score DESC
  LIMIT 5
  RETURN {
    _key: doc._key,
    debate: doc.debate,
    text: doc.text,
    similarity: score
  }
  """
    result = arango.db.aql.execute(query=query, bind_vars={"query_embedding": embeddings[0]})
    for doc in result:
        print(doc)
        print('---')