6 @contact: Debian FTPMaster <ftpmaster@debian.org>
7 @copyright: 2008 Mark Hymers <mhy@debian.org>
8 @license: GNU General Public License version 2 or later
11 # This program is free software; you can redistribute it and/or modify
12 # it under the terms of the GNU General Public License as published by
13 # the Free Software Foundation; either version 2 of the License, or
14 # (at your option) any later version.
16 # This program is distributed in the hope that it will be useful,
17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 # GNU General Public License for more details.
21 # You should have received a copy of the GNU General Public License
22 # along with this program; if not, write to the Free Software
23 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25 ################################################################################
27 # <NCommander> mhy, how about "Now with 20% more monty python references"
29 ################################################################################
35 ################################################################################
37 default_config = "/etc/dak/dak.conf" #: default dak config, defines host properties
39 # suppress some deprecation warnings in squeeze related to apt_pkg
42 warnings.filterwarnings('ignore', \
43 "Attribute '.*' of the 'apt_pkg.*' object is deprecated, use '.*' instead\.", \
45 warnings.filterwarnings('ignore', \
46 "apt_pkg.*\(\) is deprecated\. Please see apt_pkg.*\(\) for the replacement\.", \
49 ################################################################################
51 def which_conf_file():
52 return os.getenv("DAK_CONFIG", default_config)
56 A Config object is a singleton containing
57 information about the DAK configuration
62 def __init__(self, *args, **kwargs):
63 self.__dict__ = self.__shared_state
65 if not getattr(self, 'initialised', False):
66 self.initialised = True
68 self._setup_routines()
73 self.Cnf = apt_pkg.newConfiguration()
75 apt_pkg.ReadConfigFileISC(self.Cnf, which_conf_file())
77 # Check whether our dak.conf was the real one or
78 # just a pointer to our main one
79 res = socket.gethostbyaddr(socket.gethostname())
80 conffile = self.Cnf.get("Config::" + res[0] + "::DakConfig")
82 apt_pkg.ReadConfigFileISC(self.Cnf, conffile)
84 # Rebind some functions
86 self.get = self.Cnf.get
87 self.SubTree = self.Cnf.SubTree
88 self.ValueList = self.Cnf.ValueList
89 self.Find = self.Cnf.Find
90 self.FindB = self.Cnf.FindB
92 def has_key(self, name):
93 return self.Cnf.has_key(name)
95 def __getitem__(self, name):
98 def __setitem__(self, name, value):
99 self.Cnf[name] = value
102 def get_db_value(name, default=None, rettype=None):
103 from daklib.dbconn import DBConfig, DBConn, NoResultFound
105 res = DBConn().session().query(DBConfig).filter(DBConfig.name == name).one()
106 except NoResultFound:
110 return rettype(res.value)
114 def _setup_routines(self):
116 This routine is the canonical list of which fields need to exist in
117 the config table. If your dak instance is to work, we suggest reading it
119 Of course, what the values do is another matter
121 for field in [('db_revision', None, int),
122 ('defaultsuitename', 'unstable', str),
123 ('signingkeyids', '', str),
124 ('exportpath', '', str)
126 setattr(self, 'get_%s' % field[0], lambda s=None, x=field[0], y=field[1], z=field[2]: self.get_db_value(x, y, z))
127 setattr(Config, '%s' % field[0], property(fget=getattr(self, 'get_%s' % field[0])))
129 def get_defaultsuite(self):
130 from daklib.dbconn import get_suite
131 suitename = self.defaultsuitename
135 return get_suite(suitename)
137 defaultsuite = property(get_defaultsuite)