Run 'gcloud' commands and look for a "gcloud.yaml" file relative to the command to automatically set the commands project id

with-config.py

#!/usr/bin/env python
import re

from pathlib import Path
from subprocess import call
from sys import argv
from yaml import load, YAMLError

config_file_path = Path("gcloud.yaml")


def project_is_defined(args):
    for arg in args:
        if re.match('--project=.*', arg):
            return True
    return False


def get_config():
    with open("gcloud.yaml", 'r') as stream:
        try:
            config = load(stream)
            return config
        except YAMLError as exc:
            print(exc)
            return None


def get_project_id(config):
    try:
        project_id = config['project-id']
        return project_id
    except KeyError:
        return None


def exec_command():
    del argv[0]
    arguments = argv

    def pass_through():
        call(["gcloud"] + arguments)
        exit

    if not config_file_path.is_file() or project_is_defined(arguments):
        pass_through()

    config = get_config()

    if not config:
        pass_through()

    project_id = get_project_id(config)

    if not project_id:
        pass_through()

    print(f"Selected project: {project_id}")
    call(["gcloud", f"--project={project_id}"] + arguments)


exec_command()