X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=daklib%2Fconfig.py;h=dc90d49a5edd435aeb6a54fa2968310a5bb18912;hb=50db22ea5f288daa39f81138a41a509d9a41cc3e;hp=2d0b8e851d7df11db3dd1bba146651b732548b49;hpb=d5c5b6de82b57502530c135cd2ff4d0f23ed0767;p=dak.git

diff --git a/daklib/config.py b/daklib/config.py
old mode 100644
new mode 100755
index 2d0b8e85..dc90d49a
--- a/daklib/config.py
+++ b/daklib/config.py
@@ -36,6 +36,13 @@ import socket
 
 default_config = "/etc/dak/dak.conf" #: default dak config, defines host properties
 
+# suppress some deprecation warnings in squeeze related to apt_pkg
+# module
+import warnings
+warnings.filterwarnings('ignore', ".*apt_pkg.* is deprecated.*", DeprecationWarning)
+
+################################################################################
+
 def which_conf_file():
     return os.getenv("DAK_CONFIG", default_config)
 
@@ -53,6 +60,7 @@ class Config(object):
         if not getattr(self, 'initialised', False):
             self.initialised = True
             self._readconf()
+            self._setup_routines()
 
     def _readconf(self):
         apt_pkg.init()
@@ -84,3 +92,41 @@ class Config(object):
 
     def __setitem__(self, name, value):
         self.Cnf[name] = value
+
+    @staticmethod
+    def get_db_value(name, default=None, rettype=None):
+        from daklib.dbconn import DBConfig, DBConn, NoResultFound
+        try:
+            res = DBConn().session().query(DBConfig).filter(DBConfig.name == name).one()
+        except NoResultFound:
+            return default
+
+        if rettype:
+            return rettype(res.value)
+        else:
+            return res.value
+
+    def _setup_routines(self):
+        """
+        This routine is the canonical list of which fields need to exist in
+        the config table.  If your dak instance is to work, we suggest reading it
+
+        Of course, what the values do is another matter
+        """
+        for field in [('db_revision',      None,       int),
+                      ('defaultsuitename', 'unstable', str),
+                      ('exportpath',       '',         str)
+                      ]:
+            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))
+            setattr(Config, '%s' % field[0], property(fget=getattr(self, 'get_%s' % field[0])))
+
+    def get_defaultsuite(self):
+        from daklib.dbconn import get_suite
+        suitename = self.defaultsuitename
+        if not suitename:
+            return None
+        else:
+            return get_suite(suitename)
+
+    defaultsuite = property(get_defaultsuite)
+