Connecting to AI Platform Pipelines when 'gcloud' is not installed

credentials.py

from google.oauth2 import service_account
from google.auth.transport import requests
import kfp

# change this to point to your service account credentials file
credentials = service_account.Credentials.from_service_account_file(“/path/to/credentials/service_acct_creds.json", scopes=["https://www.googleapis.com/auth/cloud-platform"])

credentials.refresh(requests.Request())
token = credentials.token

# change this to point to the endpoint of your AI Platform Pipelines installation
client=kfp.Client(host=‘<your_pipelines_endpoint>.pipelines.googleusercontent.com', existing_token=token)
client.list_pipelines()