code: def print_pretty_command(env, command):
      
      cmd = abbr_cmd = command[0]
      if cmd.startswith(env.envbindir):
          abbr_cmd = os.path.relpath(cmd, env.envbindir)
          if abbr_cmd == ".":
              # TODO are there more edge cases?
              abbr_cmd = cmd
      command[0] = abbr_cmd
      print('(%s)$ %s' % (env.name, ' '.join(['"%s"' % c if " " in c
                                              else c
                                              for c in command])))
      command[0] = cmd
      return abbr_cmd, cmd, command
docs: This is a hack for prettier printing.
  
      Rather than "{envpython} foo.py" we print "python foo.py".