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131 lines
3.7 KiB
Python
131 lines
3.7 KiB
Python
# Authors:
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# Jason Gerard DeRose <jderose@redhat.com>
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#
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# Copyright (C) 2008 Red Hat
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# see file 'COPYING' for use and warranty information
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation; version 2 only
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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"""
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Various utility functions.
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"""
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import os
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from os import path
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import imp
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import optparse
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import logging
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import time
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from types import NoneType
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from xmlrpclib import Binary
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import krbV
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def get_current_principal():
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try:
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return krbV.default_context().default_ccache().principal().name
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except krbV.Krb5Error:
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#TODO: do a kinit
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print "Unable to get kerberos principal"
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return None
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# FIXME: This function has no unit test
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def find_modules_in_dir(src_dir):
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"""
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Iterate through module names found in ``src_dir``.
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"""
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if not (path.abspath(src_dir) == src_dir and path.isdir(src_dir)):
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return
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if path.islink(src_dir):
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return
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suffix = '.py'
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for name in sorted(os.listdir(src_dir)):
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if not name.endswith(suffix):
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continue
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py_file = path.join(src_dir, name)
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if path.islink(py_file) or not path.isfile(py_file):
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continue
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module = name[:-len(suffix)]
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if module == '__init__':
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continue
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yield module
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# FIXME: This function has no unit test
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def load_plugins_in_dir(src_dir):
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"""
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Import each Python module found in ``src_dir``.
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"""
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for module in find_modules_in_dir(src_dir):
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imp.load_module(module, *imp.find_module(module, [src_dir]))
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# FIXME: This function has no unit test
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def import_plugins_subpackage(name):
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"""
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Import everythig in ``plugins`` sub-package of package named ``name``.
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"""
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try:
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plugins = __import__(name + '.plugins').plugins
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except ImportError:
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return
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src_dir = path.dirname(path.abspath(plugins.__file__))
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for name in find_modules_in_dir(src_dir):
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full_name = '%s.%s' % (plugins.__name__, name)
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__import__(full_name)
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def add_global_options(parser=None):
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"""
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Add global options to an optparse.OptionParser instance.
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"""
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if parser is None:
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parser = optparse.OptionParser()
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parser.disable_interspersed_args()
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parser.add_option('-e', dest='env', metavar='KEY=VAL', action='append',
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help='Set environment variable KEY to VAL',
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)
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parser.add_option('-c', dest='conf', metavar='FILE',
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help='Load configuration from FILE',
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)
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parser.add_option('-d', '--debug', action='store_true',
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help='Produce full debuging output',
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)
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parser.add_option('-v', '--verbose', action='store_true',
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help='Produce more verbose output',
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)
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return parser
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class LogFormatter(logging.Formatter):
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"""
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Log formatter that uses UTC for all timestamps.
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"""
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converter = time.gmtime
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def make_repr(name, *args, **kw):
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"""
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Construct a standard representation of a class instance.
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"""
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args = [repr(a) for a in args]
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kw = ['%s=%r' % (k, kw[k]) for k in sorted(kw)]
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return '%s(%s)' % (name, ', '.join(args + kw))
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def realm_to_suffix(realm_name):
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s = realm_name.split(".")
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terms = ["dc=" + x.lower() for x in s]
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return ",".join(terms)
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