Source code for tests.system.weaviate.example_weaviate_openai

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from __future__ import annotations

import json
from pathlib import Path

import pendulum

from airflow.decorators import dag, setup, task, teardown
from airflow.providers.openai.operators.openai import OpenAIEmbeddingOperator
from airflow.providers.weaviate.hooks.weaviate import WeaviateHook
from airflow.providers.weaviate.operators.weaviate import WeaviateIngestOperator


[docs]
COLLECTION_NAME = "Weaviate_openai_example_collection"



@dag(
    schedule=None,
    start_date=pendulum.datetime(2021, 1, 1, tz="UTC"),
    catchup=False,
    tags=["example", "weaviate"],
)

[docs]
def example_weaviate_openai():
    """
    Example DAG which creates embeddings using OpenAIEmbeddingOperator and the uses WeaviateIngestOperator to insert embeddings to Weaviate .
    """

    @setup
    @task
    def create_weaviate_collection():
        """
        Example task to create collection without any Vectorizer. You're expected to provide custom vectors for your data.
        """
        weaviate_hook = WeaviateHook()
        # collection definition object. Weaviate's autoschema feature will infer properties when importing.
        weaviate_hook.create_collection(COLLECTION_NAME)

    @setup
    @task
    def get_data_to_embed():
        data = json.load(Path("jeopardy_data_without_vectors.json").open())
        return [item["Question"] for item in data]

    data_to_embed = get_data_to_embed()

    embed_data = OpenAIEmbeddingOperator.partial(
        task_id="embedding_using_xcom_data",
        conn_id="openai_default",
        model="text-embedding-ada-002",
    ).expand(input_text=data_to_embed["return_value"])

    @task
    def update_vector_data_in_json(**kwargs):
        ti = kwargs["ti"]
        data = json.load(Path("jeopardy_data_without_vectors.json").open())
        embedded_data = ti.xcom_pull(task_ids="embedding_using_xcom_data", key="return_value")
        for i, vector in enumerate(embedded_data):
            data[i]["Vector"] = vector
        return data

    update_vector_data_in_json = update_vector_data_in_json()

    perform_ingestion = WeaviateIngestOperator(
        task_id="perform_ingestion",
        conn_id="weaviate_default",
        collection_name=COLLECTION_NAME,
        input_data=update_vector_data_in_json["return_value"],
    )

    embed_query = OpenAIEmbeddingOperator(
        task_id="embed_query",
        conn_id="openai_default",
        input_text="biology",
        model="text-embedding-ada-002",
    )

    @task
    def query_weaviate(**kwargs):
        ti = kwargs["ti"]
        query_vector = ti.xcom_pull(task_ids="embed_query", key="return_value")
        weaviate_hook = WeaviateHook()
        properties = ["question", "answer", "category"]
        response = weaviate_hook.query_with_vector(query_vector, COLLECTION_NAME, properties)
        assert "In 1953 Watson & Crick built a model" in response.objects[0].properties["question"]

    @teardown
    @task
    def delete_weaviate_collection():
        """
        Example task to delete a weaviate collection
        """
        weaviate_hook = WeaviateHook()
        # collection definition object. Weaviate's autoschema feature will infer properties when importing.

        weaviate_hook.delete_collections([COLLECTION_NAME])

    (
        create_weaviate_collection()
        >> embed_data
        >> update_vector_data_in_json
        >> perform_ingestion
        >> embed_query
        >> query_weaviate()
        >> delete_weaviate_collection()
    )



example_weaviate_openai()


from tests_common.test_utils.system_tests import get_test_run  # noqa: E402

# Needed to run the example DAG with pytest (see: tests/system/README.md#run_via_pytest)

[docs]
test_run = get_test_run(dag)