Source code for plainbox.impl.commands.inv_list
# This file is part of Checkbox.
#
# Copyright 2012-2014 Canonical Ltd.
# Written by:
# Zygmunt Krynicki <zygmunt.krynicki@canonical.com>
#
# Checkbox is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3,
# as published by the Free Software Foundation.
#
# Checkbox is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Checkbox. If not, see <http://www.gnu.org/licenses/>.
"""
:mod:`plainbox.impl.commands.inv_list` -- list sub-command
==========================================================
"""
from plainbox.i18n import gettext as _
from plainbox.impl.highlevel import Explorer
[docs]class ListInvocation:
def __init__(self, provider_loader, ns):
self.explorer = Explorer(provider_loader())
self.group = ns.group
self.show_attrs = ns.attrs
[docs] def run(self):
obj = self.explorer.get_object_tree()
self._show(obj)
def _show(self, obj, indent=None):
if indent is None:
indent = ""
# Apply optional filtering
if self.group is None or obj.group == self.group:
# Display the object name and group
print("{}{} {!r}".format(indent, obj.group, obj.name))
indent += " "
# It would be cool if this would draw an ASCI-art tree
if self.show_attrs:
for key, value in obj.attrs.items():
print("{}{:15}: {!r}".format(indent, key, value))
if obj.children:
if self.group is None:
print("{}{}".format(indent, _("children")))
indent += " "
for child in obj.children:
self._show(child, indent)