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qvm-template: Initial support for machine-readable listings.

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WillyPillow 2020-08-06 02:42:05 +08:00
parent 7b6fa39d1c
commit 336b5c68c1
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1 changed files with 55 additions and 22 deletions
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77
qubesadmin/tools/qvm_template.py
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@ -113,6 +113,8 @@ def parser_gen() -> argparse.ArgumentParser:
' locally but not in repos) templates.'))
parser_x.add_argument('--upgrades', action='store_true',
help='Show upgradable templates.')
parser_x.add_argument('--machine-readable', action='store_true',
help='Enable machine-readable output.')
parser_x.add_argument('templates', nargs='*', metavar='TEMPLATE')
# qvm-template search
parser_search = parser_add_command('search',
@ -861,25 +863,46 @@ def list_templates(args: argparse.Namespace,
tpl_list.append((status, data.name, version_str, data.reponame))
def append_info(data, status, install_time=None):
tpl_list.append((status, 'Name', ':', data.name))
tpl_list.append((status, 'Epoch', ':', data.epoch))
tpl_list.append((status, 'Version', ':', data.version))
tpl_list.append((status, 'Release', ':', data.release))
tpl_list.append((status, 'Size', ':',
qubesadmin.utils.size_to_human(data.dlsize)))
tpl_list.append((status, 'Repository', ':', data.reponame))
tpl_list.append((status, 'Buildtime', ':', str(data.buildtime)))
if install_time:
tpl_list.append((status, 'Install time', ':', str(install_time)))
tpl_list.append((status, 'URL', ':', data.url))
tpl_list.append((status, 'License', ':', data.licence))
tpl_list.append((status, 'Summary', ':', data.summary))
# Only show "Description" for the first line
title = 'Description'
for line in data.description.splitlines():
tpl_list.append((status, title, ':', line))
title = ''
tpl_list.append((status, ' ', ' ', ' ')) # empty line
tpl_list.append((status, data, install_time))
def info_to_human_output(tpls):
output = []
# TODO: Do groupby here to avoid including ``status`` in each row.
for status, data, install_time in tpls:
output.append((status, 'Name', ':', data.name))
output.append((status, 'Epoch', ':', data.epoch))
output.append((status, 'Version', ':', data.version))
output.append((status, 'Release', ':', data.release))
output.append((status, 'Size', ':',
qubesadmin.utils.size_to_human(data.dlsize)))
output.append((status, 'Repository', ':', data.reponame))
output.append((status, 'Buildtime', ':', str(data.buildtime)))
if install_time:
output.append((status, 'Install time', ':', str(install_time)))
output.append((status, 'URL', ':', data.url))
output.append((status, 'License', ':', data.licence))
output.append((status, 'Summary', ':', data.summary))
# Only show "Description" for the first line
title = 'Description'
for line in data.description.splitlines():
output.append((status, title, ':', line))
title = ''
output.append((status, ' ', ' ', ' ')) # empty line
return output
def info_to_machine_output(tpls):
output = []
for status, data, install_time in tpls:
name, epoch, version, release, reponame, dlsize, \
buildtime, licence, url, summary, description = data
dlsize = str(dlsize)
buildtime = str(buildtime)
install_time = str(install_time) if install_time else ''
# TODO: Escape newlines in description?
output.append((status, name, epoch, version, release, reponame,
dlsize, buildtime, install_time, licence, url, summary,
description))
return output
if operation == 'list':
append = append_list
@ -940,9 +963,19 @@ def list_templates(args: argparse.Namespace,
if len(tpl_list) == 0:
parser.error('No matching templates to list')
for k, grp in itertools.groupby(tpl_list, lambda x: x[0]):
print(k.title())
qubesadmin.tools.print_table(list(map(lambda x: x[1:], grp)))
if not args.machine_readable:
if operation == 'info':
tpl_list = info_to_human_output(tpl_list)
for status, grp in itertools.groupby(tpl_list, lambda x: x[0]):
print(status.title())
qubesadmin.tools.print_table(list(map(lambda x: x[1:], grp)))
else:
if operation == 'info':
tpl_list = info_to_machine_output(tpl_list)
for status, grp in itertools.groupby(tpl_list, lambda x: x[0]):
print('|' + status.value)
for line in grp:
print('|'.join(line[1:]) + '|')
def search(args: argparse.Namespace, app: qubesadmin.app.QubesBase) -> None:
"""Command that searches template details for given patterns.