How to use the rocker.core.pull_image function in rocker
To help you get started, we’ve selected a few rocker examples, based on popular ways it is used in public projects.
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osrf / rocker / test / test_core.py View on Github 
def test_pull_image(self):
TEST_IMAGE='alpine:latest'
docker_client = get_docker_client()
l = docker_client.images()
tags = set(chain.from_iterable([i['RepoTags'] for i in l if i['RepoTags']]))
print(tags)
if TEST_IMAGE in tags:
docker_client.remove_image(TEST_IMAGE)
print('removed image %s' % TEST_IMAGE)
self.assertTrue(pull_image(TEST_IMAGE))def test_failed_pull_image(self):
self.assertFalse(pull_image("osrf/ros:does_not_exist"))rocker
A tool to run docker containers with customized extras
