Google Cloud Resource Manager

import os
from google.cloud.resourcemanager_v3 import ProjectsClient
from google.api_core.exceptions import GoogleAPIError

def list_projects():
    # Ensure GOOGLE_APPLICATION_CREDENTIALS or gcloud auth is set up.
    # For local development, 'gcloud auth application-default login' is recommended.
    try:
        client = ProjectsClient()
        # The `search_projects` method can retrieve projects across the organization/folders
        # depending on the authenticated identity's permissions.
        # An empty query string lists all projects the user has permission to view.
        print("Listing projects:")
        for project in client.search_projects(query=''):
            print(f"  Project Name: {project.display_name} (ID: {project.project_id})")
            print(f"    State: {project.state.name}, Parent: {project.parent.type}/{project.parent.id}")
    except GoogleAPIError as e:
        print(f"An API error occurred: {e}")
        print("Ensure the Resource Manager API is enabled and you have necessary permissions.")
    except Exception as e:
        print(f"An unexpected error occurred: {e}")

if __name__ == '__main__':
    # This assumes Application Default Credentials are set up.
    # For example, by running `gcloud auth application-default login`
    # or setting the GOOGLE_APPLICATION_CREDENTIALS environment variable.
    if not os.environ.get('GOOGLE_APPLICATION_CREDENTIALS') and not os.environ.get('CLOUDSDK_CORE_ACCOUNT'):
        print("WARNING: No explicit Google Cloud credentials found. This script relies on Application Default Credentials (ADC).")
        print("         Please run 'gcloud auth application-default login' or set GOOGLE_APPLICATION_CREDENTIALS.")

    list_projects()