--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolbase.py	Mon Jul 18 17:39:37 2011 +0200
@@ -0,0 +1,38 @@
+import argparse
+
+from pgtools import pgmanager
+from common import config
+
+
+class ToolBase:
+    def __init__(self, name, desc):
+        self.parser = argparse.ArgumentParser(description=desc)
+        self.parser.add_argument('target', metavar='target', type=str, help='Target database')
+        
+        self.config = config.ConfigParser()
+        self.config.add_argument('databases', type=dict)
+        self.config.add_argument('meta_db')
+        self.config.add_argument('meta_query')
+        
+        self.pgm = pgmanager.get_instance()
+        
+    def init(self):
+        self.config.load('pgtoolkit.conf')
+        self.args = self.parser.parse_args()
+        
+        if self.config.meta_db:
+            self.pgm.create_conn(name='meta', dsn=self.config.meta_db)
+            self.buildconn('target', self.args.target)
+            self.pgm.close_conn('meta')
+
+    def buildconn(self, name, targetname):
+        with self.pgm.cursor('meta') as curs:
+            curs.execute(self.config.meta_query, [targetname])
+            row = curs.fetchone_dict()
+            curs.connection.commit()
+            
+            if not row:
+                raise Exception('Unknown database "%s"' % targetname)
+            
+            self.pgm.create_conn(name=name, **row)
+