#!/usr/bin/env python
"""
Tail a Jenkins build in a terminal
"""
import os
import requests
import sys
import time


JENKINS_BASE = "https://example.com"
JENKINS_JOB = "build-software"


s = requests.Session()
s.auth = (
    os.environ.get('JENKINS_USERNAME', None),
    os.environ.get('JENKINS_PASSWORD', None)
)

start = 0
cont = True
while cont:
    response = s.get(
        '{base}/{job}/{job_number}'
        '/logText/progressiveText?start={start}'.format(
            base=JENKINS_BASE, job=JENKINS_JOB,
            job_number=sys.argv[1], start=start
        )
    )

    if response.status_code != 200:
        print('Job complete or not found')
        sys.exit(1)

    if start != response.headers['X-Text-Size']:
        print(response.text)
    start = response.headers['X-Text-Size']

    try:
        cont = response.headers['X-More-Data']
    except KeyError:
        sys.exit(0)
    time.sleep(2)