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116 lines
3.1 KiB
Python
116 lines
3.1 KiB
Python
# Authors:
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# Martin Nagy <mnagy@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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from ConfigParser import SafeConfigParser, ParsingError
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import types
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import os
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DEFAULT_CONF='/etc/ipa/ipa.conf'
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def generate_env(d={}):
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default = dict(
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server_context = False,
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query_dns = True,
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verbose = False,
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interactive = True,
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server = LazyIter(get_servers),
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realm = LazyProp(get_realm),
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domain = LazyProp(get_domain),
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)
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for key, value in d.iteritems():
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if key in default and type(default[key]) in (LazyIter, LazyProp):
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default[key].set_value(value)
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else:
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default[key] = value
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return default
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class LazyProp(object):
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def __init__(self, func, value=None):
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assert isinstance(func, types.FunctionType)
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self._func = func
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self._value = value
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def set_value(self, value):
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self._value = value
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def get_value(self):
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if self._value == None:
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return self._func()
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else:
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return self._value
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class LazyIter(LazyProp):
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def get_value(self):
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if self._value != None:
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if type(self._value) == tuple:
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for item in self._value:
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yield item
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else:
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yield self._value
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for item in self._func():
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if not self._value or item not in self._value:
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yield item
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def read_config(config_file=None):
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assert config_file == None or isinstance(config_file, (basestring, file))
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parser = SafeConfigParser()
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if config_file == None:
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files = [DEFAULT_CONF, os.path.expanduser('~/.ipa.conf')]
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else:
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files = [config_file]
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for f in files:
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try:
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if isinstance(f, file):
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parser.readfp(f)
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else:
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parser.read(f)
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except ParsingError:
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print "Can't read %s" % f
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ret = {}
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if parser.has_section('defaults'):
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for name, value in parser.items('defaults'):
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value = tuple(elem.strip() for elem in value.split(','))
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if len(value) == 1:
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value = value[0]
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ret[name] = value
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return ret
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# these functions are here just to "emulate" dns resolving for now
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def get_domain():
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return "ipatest.com"
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def get_realm():
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return "IPATEST.COM"
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def get_servers():
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yield "server.ipatest.com"
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yield "backup.ipatest.com"
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yield "fake.ipatest.com"
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