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"""Remote client commands dealing with images."""
import operator
from collections import OrderedDict
import humanize
import podman
from .. import AbstractActionBase, Report, ReportColumn
class Images(AbstractActionBase):
"""Class for Image manipulation."""
@classmethod
def subparser(cls, parent):
"""Add Images commands to parent parser."""
parser = parent.add_parser('images', help='list images')
super().subparser(parser)
parser.add_argument(
'--sort',
choices=['created', 'id', 'repository', 'size', 'tag'],
default='created',
type=str.lower,
help=('Change sort ordered of displayed images.'
' (default: %(default)s)'))
group = parser.add_mutually_exclusive_group()
group.add_argument(
'--digests',
action='store_true',
help='Include digests with images. (default: %(default)s)')
parser.set_defaults(class_=cls, method='list')
def __init__(self, args):
"""Construct Images class."""
super().__init__(args)
self.columns = OrderedDict({
'name':
ReportColumn('name', 'REPOSITORY', 40),
'tag':
ReportColumn('tag', 'TAG', 10),
'id':
ReportColumn('id', 'IMAGE ID', 12),
'created':
ReportColumn('created', 'CREATED', 12),
'size':
ReportColumn('size', 'SIZE', 8),
'repoDigests':
ReportColumn('repoDigests', 'DIGESTS', 35),
})
def list(self):
"""List images."""
images = sorted(
self.client.images.list(),
key=operator.attrgetter(self._args.sort))
if len(images) == 0:
return 0
rows = list()
for image in images:
fields = dict(image)
fields.update({
'created':
humanize.naturaldate(podman.datetime_parse(image.created)),
'size':
humanize.naturalsize(int(image.size)),
'repoDigests':
' '.join(image.repoDigests),
})
for r in image.repoTags:
name, tag = r.split(':', 1)
fields.update({
'name': name,
'tag': tag,
})
rows.append(fields)
if not self._args.digests:
del self.columns['repoDigests']
with Report(self.columns, heading=self._args.heading) as report:
report.layout(
rows, self.columns.keys(), truncate=self._args.truncate)
for row in rows:
report.row(**row)
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