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# This program is free software; you can redistribute it and/or modify
# it under the terms of the Lesser GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License or
# (at your option) any later version.
#
# This program 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright (C) 2013 Red Hat, Inc.
# All rights reserved.
#
# Author:
# Ade Lee <alee@redhat.com>
#
"""
Module containing the Python client classes for the InfoClient
"""
from __future__ import absolute_import
from __future__ import print_function
from six import iteritems
import pki
class Info(object):
"""
This class encapsulates the parameters returned by the server's
InfoService.
"""
json_attribute_names = {
'Version': 'version',
'Banner': 'banner'
}
def __init__(self, version=None, banner=None):
""" Constructor """
self.version = version
self.banner = banner
@classmethod
def from_json(cls, attr_list):
""" Return Info from JSON dict """
info = cls()
for k, v in iteritems(attr_list):
if k in Info.json_attribute_names:
setattr(info, Info.json_attribute_names[k], v)
else:
setattr(info, k, v)
return info
class Version(tuple):
__slots__ = ()
def __new__(cls, version):
parts = [int(p) for p in version.split('.')]
if len(parts) < 3:
parts.extend([0] * (3 - len(parts)))
if len(parts) > 3:
raise ValueError(version)
return tuple.__new__(cls, tuple(parts))
def __str__(self):
return '{}.{}.{}'.format(*self)
def __repr__(self):
return "<Version('{}.{}.{}')>".format(*self)
def __getnewargs__(self):
# pickle support
return str(self)
@property
def major(self):
return self[0]
@property
def minor(self):
return self[1]
@property
def patchlevel(self):
return self[2]
class InfoClient(object):
"""
Class encapsulating and mirroring the functionality in the
InfoResource Java interface class defining the REST API for
server Info resources.
"""
def __init__(self, connection):
""" Constructor """
self.connection = connection
@pki.handle_exceptions()
def get_info(self):
""" Return an Info object form a PKI server """
url = '/pki/rest/info'
headers = {'Content-type': 'application/json',
'Accept': 'application/json'}
r = self.connection.get(url, headers, use_root_uri=True)
return Info.from_json(r.json())
@pki.handle_exceptions()
def get_version(self):
""" return Version object from server """
version_string = self.get_info().version
return Version(version_string)
if __name__ == '__main__':
print(Version('10'))
print(Version('10.1'))
print(Version('10.1.1'))
print(tuple(Version('10.1.1')))
print(Version('10.1.1.1'))
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