reorganize in order to make packaging better

bin/sea

@@ -21,20 +21,14 @@
 #
 # *****************************************************************************
 
-import os
-from os.path import join, abspath, split, dirname, expanduser
 import sys
+from os.path import join, abspath, dirname
 
-#nicos_root = os.environ.get('NICOS_ROOT', expanduser('~/nicos'))
-#pkg_dir = abspath(join(nicos_root, 'nicos_linse'))
-#sys.path.insert(1, join(pkg_dir, 'common'))
+# above packages: servman, nicos, frappy, history
+sys.path.insert(0, abspath(join(dirname(__file__), '../..')))
 
-sys.path.insert(1, abspath(join(__file__, '../../..')))
+from servman import run, FrappyManager, NicosManager, SeaManager, UsageError
 
-from servman import run
-from servman.frappy import FrappyManager
-from servman.nicos import NicosManager
-from servman.sea import SeaManager
 
 NicosManager()
 FrappyManager()
@@ -58,7 +52,7 @@ Usage:
 try:    
     run(serv, sys.argv[1:])
 
-except Exception as e:
+except Exception as e:  # TODO: change to UsageError
     raise
     print(repr(e))
     print(''.join(USAGE))