Save 150ms startup time by only importing ldap when necessary

Author: quentinmit

server/common/oursrc/accountadm/mbash.in

@@ -7,9 +7,6 @@ import os
 import subprocess
 import sys
 
-import ldap
-import ldap.filter
-
 BASE_DN = 'dc=scripts,dc=mit,dc=edu'
 
 def get_pool(username):
@@ -18,6 +15,9 @@ def get_pool(username):
 
     Returns: (default vhost pool IP, [(pool name, vhost name)] if multiple pools)
     """
+    import ldap
+    import ldap.filter
+
     ldap_uri = ldap.get_option(ldap.OPT_URI)
 
     ll = ldap.initialize(ldap_uri)