62a63
> import zipfile
93a95,98
>         if os.name == 'java' and os._name == 'nt' and dir.startswith("/") and dir[2] == ':':
>             # strip out the leading '/' character if we have something like:
>             # /c:/jython2.5 and turn it into c:/jython2.5
>             dir = dir[1:]
176a182,192
> def addjythonsitepackages(known_paths):
>     lib_jars = []
>     for lib_dir in [p for p in sys.path if '.jar' in p.lower()]:
>         while not lib_dir.endswith('.jar'):
>             lib_dir = os.path.split(lib_dir)[0]
>         if 'Lib/site-packages/' in zipfile.ZipFile(lib_dir).namelist():
>             lib_jars.append(lib_dir)
>     if len(lib_jars) == 1:
>         sitedir= os.path.normpath(os.path.join(lib_jars[0], 'Lib/site-packages'))
>         addsitedir(sitedir, known_paths)
> 
188a205
>                 addjythonsitepackages(known_paths)