def _envpaths(env_root, env_name=u'', shelldict={}):
 sep = shelldict[u'sep']
 return binpath_from_arg(sep.join([env_root, env_name]), shelldict=shelldict)

def _envpaths ( env_root , env_name = u'' , shelldict = { } ) : sep = shelldict [ u'sep' ] return binpath_from_arg ( sep . join ( [ env_root , env_name ] ) , shelldict = shelldict )
supply the appropriate platform executable folders .