get latest n builds from ot-app-builds

list-ot-builds.py

import os

import boto
import boto.s3.connection


access_key = os.environ.get('AWS_ACCESS_KEY_ID')
secret_key = os.environ.get('AWS_SECRET_ACCESS_KEY')


conn = boto.connect_s3(
    aws_access_key_id = access_key,
    aws_secret_access_key = secret_key,
)


bucket = conn.get_bucket('ot-app-builds')

def get_builds_by_prefix(prefix):
    return sorted(bucket.list(prefix=prefix), key=lambda k: k.last_modified)


def get_latest_builds(prefix, lim=10):
    all_builds = get_builds_by_prefix(prefix)

    # keep builds that end with zip, exe or deb ignore dmgs, nupks, etc...
    can_keep = lambda x: any([x.name.endswith(i) for i in ('.zip', '.exe', '.deb')])
    clean_list = filter(can_keep, all_builds)

    # return last n builds in reverse order
    return list(clean_list)[-lim:][::-1]


def print_latest():
    prefixes = ['mac', 'win', 'linux']
    url_tmpl = "https://s3.amazonaws.com/ot-app-builds/{name}"

    for prefix in prefixes:
        print('-' * 30, '{} BUILDS'.format(prefix.upper()), '-' * 30)
        for i, key in enumerate(get_latest_builds(prefix)):
            print('Build #{}'.format(i + 1))
            print(url_tmpl.format(name=key.name))
            print('-' * 80)
        print('\n')


if __name__ == '__main__':
    print_latest()