diff --git a/src/python/jw/build/App.py b/src/python/jw/build/App.py
index a13014f9..aae499c1 100644
--- a/src/python/jw/build/App.py
+++ b/src/python/jw/build/App.py
@@ -1,36 +1,15 @@
-#!/usr/bin/python3 -u
 # -*- coding: utf-8 -*-
 #
 # This source code file is a merge of various build tools and a horrible mess.
 #
 
-from __future__ import print_function
-import os
-import sys
-import argparse
-import pwd
-import time
-from os.path import isfile
-from os.path import isdir
-from os.path import expanduser
-from os.path import basename
-from os.path import realpath
-import subprocess
-import re
-import platform
-import datetime
+import os, sys, argparse, pwd, re
 
 # meaning of pkg.requires.xxx variables
 # build: needs to be built and installed before this can be built
 # devel: needs to be installed before this-devel can be installed, i.e. before _other_ packages can be built against this
 # run:   needs to be installed before this-run can be installed, i.e. before this and other packages can run with this
 
-# --------------------------------------------------------------------- Python 2 / 3 compatibility stuff
-try:
-    basestring
-except NameError:
-    basestring = str
-
 # --------------------------------------------------------------------- helpers
 
 class ResultCache(object):
@@ -79,7 +58,7 @@ class App(object):
         self.opt_debug = False
         self.res_cache = ResultCache()
         self.topdir = None
-        self.projs_root = expanduser("~") + '/local/src/jw.dev/proj'
+        self.projs_root = os.path.expanduser("~") + '/local/src/jw.dev/proj'
 
     def debug(self, *objs):
         if self.opt_debug:
@@ -91,18 +70,6 @@ class App(object):
     def err(self, *objs):
             print("ERR: ", *objs, file = sys.stderr)
 
-    def find_proj_path_unused(name):
-        name = name.replace("dspider-", "")
-        search_path = [".", "dspc/src", "dspc/src/dspcd-plugins", "dspc/src/io" ]
-        for sub in search_path:
-            path = self.projs_root + "/" + sub + "/" + name
-            if os.path.exists(path):
-                return os.path.abspath(path)
-        raise Exception("module " + name + " not found below " + self.projs_root)
-
-    def find_proj_path_cached_unused(name):
-        return self.res_cache.run(find_proj_path_unused, [ name ])
-
     def proj_dir(self, name):
         if name == self.top_name:
             return self.topdir
@@ -127,9 +94,10 @@ class App(object):
         return [x for x in seq if not (x in seen or seen_add(x))]
 
     def get_os(self, args = ""):
+        import subprocess
         for d in [ self.projs_root + '/jw-build/scripts', '/opt/jw-build/bin' ]:
             script = d + '/get-os.sh'
-            if isfile(script):
+            if os.path.isfile(script):
                 cmd = '/bin/bash ' + script
                 if args:
                     cmd = cmd + ' ' + args
@@ -148,11 +116,12 @@ class App(object):
         if pd is None:
             return None
         for r in [ pd + "/tools/html/htdocs", pd + "/htdocs", "/srv/www/proj/" + name ]:
-            if isdir(r):
+            if os.path.isdir(r):
                 return r
         return None
 
     def os_cascade(self):
+        import platform
         if self.glob_os_cascade is not None:
             return self.glob_os_cascade.copy()
         r = [ 'os', platform.system().lower() ]
@@ -320,7 +289,7 @@ class App(object):
 
     def get_modules_from_project_txt(self, names, sections, keys, add_self, scope,
             names_only = True):
-        if isinstance(keys, basestring):
+        if isinstance(keys, str):
             keys = [ keys ]
         #r = set()
         r = []
@@ -477,8 +446,6 @@ class App(object):
             return r[1::]
         return ''
 
-    # ----------------------------------------------------------------- commands
-
     def contains(self, small, big):
         for i in xrange(len(big)-len(small)+1):
             for j in xrange(len(small)):
@@ -578,17 +545,6 @@ class App(object):
         if self.topdir:
             self.top_name = self.res_cache.run(self.read_value, [self.topdir + '/make/project.conf', 'build', 'name'])
             if not self.top_name:
-                self.top_name = re.sub('-[0-9.-]*$', '', basename(realpath(self.topdir)))
+                self.top_name = re.sub('-[0-9.-]*$', '', os.path.basename(os.path.realpath(self.topdir)))
 
-        try:
-            return self.run_from_cmd_module(args.cmd, sys.argv[(len(self.global_args) + 1)::])
-        except:
-            raise
-            pass
-        cmd_name = 'cmd_' + args.cmd.replace('-', '_')
-        cmd = getattr(self, cmd_name)
-        cmd(sys.argv[(len(self.global_args) + 1)::])
-
-if __name__ == "__main__":
-    projects = App()
-    projects.run()
+        return self.run_from_cmd_module(args.cmd, sys.argv[(len(self.global_args) + 1)::])