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#!/usr/bin/env python3
"""Example: Create new image from container."""
import sys
import podman
def print_history(details):
"""Format history data from an image, in a table."""
for i, r in enumerate(details):
print(
'{}: {} {} {}'.format(i, r.id[:12],
podman.datetime_format(r.created), r.tags),
sep='\n')
print("-" * 25)
print('{}\n'.format(__doc__))
with podman.Client() as client:
ctnr = next(
(c for c in client.containers.list() if 'alpine' in c['image']), None)
if ctnr:
print_history(client.images.get(ctnr.imageid).history())
# Make changes as we save the container to a new image
id = ctnr.commit('alpine-ash', changes=['CMD=/bin/ash'])
print_history(client.images.get(id).history())
else:
print('Unable to find "alpine" container.', file=sys.stderr)
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