diff --git a/tools/__init__.py b/tools/__init__.py
new file mode 100644
index 00000000..b2501688
--- /dev/null
+++ b/tools/__init__.py
@@ -0,0 +1 @@
+# tools package: en cours de restructuration
diff --git a/tools/postupgrade-db.py b/tools/postupgrade-db.py
index bec3038e..e4a4f50b 100755
--- a/tools/postupgrade-db.py
+++ b/tools/postupgrade-db.py
@@ -1,4 +1,4 @@
-#!/opt/zope213/bin/python
+#!/usr/bin/env python2
 # -*- coding: utf-8 -*-
 
 """
@@ -15,7 +15,7 @@ existing scodoc instances).
 E. Viennet, june 2008, sept 2013
 """
 
-from scodocutils import *
+from tools.scodocutils import *
 
 for dept in get_depts():
     log("\nChecking database for dept %s" % dept)
@@ -30,6 +30,8 @@ for dept in get_depts():
         continue
     cnx.set_session(autocommit=False)
     cursor = cnx.cursor()
+    print "passing !"
+    continue
     # Apply upgrades:
 
     # SVN 564 -> 565
diff --git a/tools/scodocutils.py b/tools/scodocutils.py
index f5cb036d..9c378992 100755
--- a/tools/scodocutils.py
+++ b/tools/scodocutils.py
@@ -10,7 +10,7 @@ import os
 import sys
 import traceback
 
-sys.path.append("..")
+from config import Config
 
 
 def log(msg):
@@ -20,21 +20,9 @@ def log(msg):
     sys.stderr.flush()
 
 
-SCODOC_DIR = os.environ.get("SCODOC_DIR", "")
-if not SCODOC_DIR:
-    log("Error: environment variable SCODOC_DIR is not defined")
-    sys.exit(1)
-SCODOC_VAR_DIR = os.environ.get("SCODOC_VAR_DIR", "")
-if not SCODOC_VAR_DIR:
-    log("Error: environment variable SCODOC_VAR_DIR is not defined")
-    sys.exit(1)
-SCO_TMPDIR = os.path.join(SCODOC_VAR_DIR, "tmp")
-SCODOC_LOGOS_DIR = os.environ.get("SCODOC_LOGOS_DIR", "")
-
-
 def get_dept_cnx_str(dept):
     "db cnx string for dept"
-    f = os.path.join(SCODOC_VAR_DIR, "config", "depts", dept + ".cfg")
+    f = os.path.join(Config.SCODOC_VAR_DIR, "config", "depts", dept + ".cfg")
     try:
         return open(f).readline().strip()
     except:
@@ -43,18 +31,9 @@ def get_dept_cnx_str(dept):
         raise
 
 
-def get_users_cnx_str():
-    "db cnx string for users database (used only during upgrades to modify db schema)"
-    # uses default in sco_utils
-    # For customized installs, define the value here (used only during upgrades)
-    from app.scodoc import sco_utils
-
-    return sco_utils.SCO_DEFAULT_SQL_USERS_CNX
-
-
 def get_depts():
     "list of defined depts"
-    files = glob.glob(SCODOC_VAR_DIR + "/config/depts/*.cfg")
+    files = glob.glob(Config.SCODOC_VAR_DIR + "/config/depts/*.cfg")
     return [os.path.splitext(os.path.split(f)[1])[0] for f in files]