dify/api/controllers/service_api/__init__.py

from flask import Blueprint

from libs.external_api import ExternalApi

bp = Blueprint("service_api", __name__, url_prefix="/v1")
api = ExternalApi(bp)

from . import index
from .app import app, audio, completion, conversation, file, message, workflow
from .dataset import dataset, document, hit_testing, segment, upload_file