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# Authors:
# Jason Gerard DeRose <jderose@redhat.com>
#
# Copyright (C) 2008 Red Hat
# see file 'COPYING' for use and warranty information
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; version 2 only
#
# 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
"""
Various utility functions.
"""
import krbV
import os
from os import path
import imp
def xmlrpc_marshal(*args, **kw):
"""
Marshal (args, kw) into ((kw,) + args).
"""
return ((kw,) + args)
def xmlrpc_unmarshal(*params):
"""
Unmarshal (params) into (args, kw).
"""
if len(params) > 0:
kw = params[0]
if type(kw) is not dict:
raise TypeError('first xmlrpc argument must be dict')
else:
kw = {}
return (params[1:], kw)
def get_current_principal():
try:
return krbV.default_context().default_ccache().principal().name
except krbV.Krb5Error:
#TODO: do a kinit
print "Unable to get kerberos principal"
return None
# FIXME: This function has no unit test
def find_modules_in_dir(src_dir):
"""
Iterate through module names found in ``src_dir``.
"""
if not (path.abspath(src_dir) == src_dir and path.isdir(src_dir)):
return
if path.islink(src_dir):
return
suffix = '.py'
for name in sorted(os.listdir(src_dir)):
if not name.endswith(suffix):
continue
py_file = path.join(src_dir, name)
if path.islink(py_file) or not path.isfile(py_file):
continue
module = name[:-len(suffix)]
if module == '__init__':
continue
yield module
# FIXME: This function has no unit test
def load_plugins_in_dir(src_dir):
"""
Import each Python module found in ``src_dir``.
"""
for module in find_modules_in_dir(src_dir):
imp.load_module(module, *imp.find_module(module, [src_dir]))
# FIXME: This function has no unit test
def import_plugins_subpackage(name):
"""
Import everythig in ``plugins`` sub-package of package named ``name``.
"""
try:
plugins = __import__(name + '.plugins').plugins
except ImportError:
return
src_dir = path.dirname(path.abspath(plugins.__file__))
for name in find_modules_in_dir(src_dir):
full_name = '%s.%s' % (plugins.__name__, name)
__import__(full_name)
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