tiramisu in postgres database

src/risotto/config.py

@@ -1,23 +1,20 @@
 MESSAGE_ROOT_PATH = 'messages'
-DATABASE_DIR = '/var/cache/risotto/database'
 INTERNAL_USER = 'internal'
 CONFIGURATION_DIR = 'configurations'
 TEMPLATE_DIR = 'templates'
 TMP_DIR = 'tmp'
 ROUGAIL_DTD_PATH = '../rougail/data/creole.dtd'
 DEFAULT_USER = 'Anonymous'
+DEFAULT_DSN = 'postgres:///risotto?host=/var/run/postgresql/&user=risotto'
+DEFAULT_TIRAMISU_DSN = 'postgres:///tiramisu?host=/var/run/postgresql/&user=tiramisu'
 
-import os
+from os import environ
 from pathlib import PurePosixPath
 CURRENT_PATH = PurePosixPath(__file__)
 
 def get_config():
-    return {'database': {'engine': 'postgres',
-                         'host': 'postgres',
-                         'port': 5432,
-                         'dbname': 'risotto',
-                         'user': 'risotto',
-                         'password': 'risotto',
+    return {'database': {'dsn': environ.get('RISOTTO_DSN', DEFAULT_DSN),
+                         'tiramisu_dsn': environ.get('RISOTTO_TIRAMISU_DSN', DEFAULT_TIRAMISU_DSN),
                          },
             'http_server': {'port': 8080,
                             #'default_user': "gnunux"},