Q&D python for command line to validate .gitlab-ci.yml

gitlab_ci_lint.py

#! /usr/bin/python
#
# script to validate .gitlab-ci.yml
#
import sys
import requests
import json

def main():
    r = requests.post("https://gitlab.example.com/api/v4/ci/lint", json={ 'content': file(sys.argv[1], 'r').read() })
    if r.status_code != requests.codes['OK']:
        sys.exit(3)
    
    data = r.json() 
    if data['status'] != 'valid':
        for e in data['errors']:
            print >> sys.stderr, e
        sys.exit(1)
    
    sys.exit(0) # valid

if __name__ == '__main__':
    main()