diff -r 41a78fb4107c -r b718626a0e60 server/__init__.py
--- a/server/__init__.py	Mon Mar 08 18:31:36 2010 +0100
+++ b/server/__init__.py	Mon Mar 08 19:02:35 2010 +0100
@@ -8,6 +8,8 @@
 :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
 :license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
 """
+from __future__ import with_statement
+
 __docformat__ = "restructuredtext en"
 
 import sys
@@ -209,29 +211,26 @@
 
 def initialize_schema(config, schema, mhandler, event='create'):
     from cubicweb.server.schemaserial import serialize_schema
-    # deactivate every hooks but those responsible to set metadata
-    # so, NO INTEGRITY CHECKS are done, to have quicker db creation
-    oldmode = config.set_hooks_mode(config.DENY_ALL)
-    changes = config.enable_hook_category('metadata')
+    from cubicweb.server.session import hooks_control
+    session = mhandler.session
     paths = [p for p in config.cubes_path() + [config.apphome]
              if exists(join(p, 'migration'))]
-    # execute cubicweb's pre<event> script
-    mhandler.exec_event_script('pre%s' % event)
-    # execute cubes pre<event> script if any
-    for path in reversed(paths):
-        mhandler.exec_event_script('pre%s' % event, path)
-    # enter instance'schema into the database
-    mhandler.session.set_pool()
-    serialize_schema(mhandler.session, schema)
-    # execute cubicweb's post<event> script
-    mhandler.exec_event_script('post%s' % event)
-    # execute cubes'post<event> script if any
-    for path in reversed(paths):
-        mhandler.exec_event_script('post%s' % event, path)
-    # restore hooks config
-    if changes:
-        config.disable_hook_category(changes)
-    config.set_hooks_mode(oldmode)
+    # deactivate every hooks but those responsible to set metadata
+    # so, NO INTEGRITY CHECKS are done, to have quicker db creation
+    with hooks_control(session, session.HOOKS_DENY_ALL, 'metadata'):
+        # execute cubicweb's pre<event> script
+        mhandler.exec_event_script('pre%s' % event)
+        # execute cubes pre<event> script if any
+        for path in reversed(paths):
+            mhandler.exec_event_script('pre%s' % event, path)
+        # enter instance'schema into the database
+        session.set_pool()
+        serialize_schema(session, schema)
+        # execute cubicweb's post<event> script
+        mhandler.exec_event_script('post%s' % event)
+        # execute cubes'post<event> script if any
+        for path in reversed(paths):
+            mhandler.exec_event_script('post%s' % event, path)
 
 
 # sqlite'stored procedures have to be registered at connection opening time