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\.newConfiguration\(\) is deprecated\. Use apt_pkg\.Configuration\(\) instead\.", \
48 warnings.filterwarnings('ignore', \
49 "apt_pkg\.ParseTagFile\(\) is deprecated\. Please see apt_pkg\.TagFile\(\) for the replacement\.", \
52 ################################################################################
54 def which_conf_file():
55 return os.getenv("DAK_CONFIG", default_config)
59 A Config object is a singleton containing
60 information about the DAK configuration
65 def __init__(self, *args, **kwargs):
66 self.__dict__ = self.__shared_state
68 if not getattr(self, 'initialised', False):
69 self.initialised = True
71 self._setup_routines()
76 self.Cnf = apt_pkg.newConfiguration()
78 apt_pkg.ReadConfigFileISC(self.Cnf, which_conf_file())
80 # Check whether our dak.conf was the real one or
81 # just a pointer to our main one
82 res = socket.gethostbyaddr(socket.gethostname())
83 conffile = self.Cnf.get("Config::" + res[0] + "::DakConfig")
85 apt_pkg.ReadConfigFileISC(self.Cnf, conffile)
87 # Rebind some functions
89 self.get = self.Cnf.get
90 self.SubTree = self.Cnf.SubTree
91 self.ValueList = self.Cnf.ValueList
92 self.Find = self.Cnf.Find
93 self.FindB = self.Cnf.FindB
95 def has_key(self, name):
96 return self.Cnf.has_key(name)
98 def __getitem__(self, name):
101 def __setitem__(self, name, value):
102 self.Cnf[name] = value
105 def get_db_value(name, default=None, rettype=None):
106 from daklib.dbconn import DBConfig, DBConn, NoResultFound
108 res = DBConn().session().query(DBConfig).filter(DBConfig.name == name).one()
109 except NoResultFound:
113 return rettype(res.value)
117 def _setup_routines(self):
119 This routine is the canonical list of which fields need to exist in
120 the config table. If your dak instance is to work, we suggest reading it
122 Of course, what the values do is another matter
124 for field in [('db_revision', None, int),
125 ('defaultsuitename', 'unstable', str),
126 ('signingkeyids', '', str),
127 ('exportpath', '', str)
129 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))
130 setattr(Config, '%s' % field[0], property(fget=getattr(self, 'get_%s' % field[0])))
132 def get_defaultsuite(self):
133 from daklib.dbconn import get_suite
134 suitename = self.defaultsuitename
138 return get_suite(suitename)
140 defaultsuite = property(get_defaultsuite)