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 def which_conf_file():
40 return os.getenv("DAK_CONFIG", default_config)
44 A Config object is a singleton containing
45 information about the DAK configuration
50 def __init__(self, *args, **kwargs):
51 self.__dict__ = self.__shared_state
53 if not getattr(self, 'initialised', False):
54 self.initialised = True
56 self._setup_routines()
61 self.Cnf = apt_pkg.newConfiguration()
63 apt_pkg.ReadConfigFileISC(self.Cnf, which_conf_file())
65 # Check whether our dak.conf was the real one or
66 # just a pointer to our main one
67 res = socket.gethostbyaddr(socket.gethostname())
68 conffile = self.Cnf.get("Config::" + res[0] + "::DakConfig")
70 apt_pkg.ReadConfigFileISC(self.Cnf, conffile)
72 # Rebind some functions
74 self.get = self.Cnf.get
75 self.SubTree = self.Cnf.SubTree
76 self.ValueList = self.Cnf.ValueList
77 self.Find = self.Cnf.Find
78 self.FindB = self.Cnf.FindB
80 def has_key(self, name):
81 return self.Cnf.has_key(name)
83 def __getitem__(self, name):
86 def __setitem__(self, name, value):
87 self.Cnf[name] = value
90 def get_db_value(name, default=None, rettype=None):
91 from daklib.dbconn import DBConfig, DBConn, NoResultFound
93 res = DBConn().session().query(DBConfig).filter(DBConfig.name == name).one()
98 return rettype(res.value)
102 def _setup_routines(self):
104 This routine is the canonical list of which fields need to exist in
105 the config table. If your dak instance is to work, we suggest reading it
107 Of course, what the values do is another matter
109 for field in [('db_revision', None, int),
110 ('defaultsuitename', 'unstable', str),
111 ('signingkeyids', '', str)
113 setattr(self, 'get_%s' % field[0], lambda x=None: self.get_db_value(field[0], field[1], field[2]))
114 setattr(Config, '%s' % field[0], property(fget=getattr(self, 'get_%s' % field[0])))
116 def get_defaultsuite(self):
117 from daklib.dbconn import get_suite
118 suitename = self.defaultsuitename
122 return get_suite(suitename)
124 defaultsuite = property(get_defaultsuite)