'Pulls images for services defined in a Compose file, but does not start the containers.
Usage: pull [options] [SERVICE...]
Options:
--ignore-pull-failures  Pull what it can and ignores images with pull failures.
--parallel              Pull multiple images in parallel.
--quiet                 Pull without printing progress information'

def pull(self, options):

    self.project.pull(service_names=options[u'SERVICE'], ignore_pull_failures=options.get(u'--ignore-pull-failures'), parallel_pull=options.get(u'--parallel'), silent=options.get(u'--quiet'))
