text: # -*- coding: utf-8 -*-
  
  # Copyright (c) 2012 Giorgos Verigakis <verigak@gmail.com>
  #
  # Permission to use, copy, modify, and distribute this software for any
  # purpose with or without fee is hereby granted, provided that the above
  # copyright notice and this permission notice appear in all copies.
  #
  # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  
  from __future__ import unicode_literals
  
  from . import Infinite, Progress
  from .helpers import WriteMixin
  
  
  class Counter(WriteMixin, Infinite):
      message = ''
      hide_cursor = True
  
      def update(self):
          self.write(str(self.index))
  
  
  class Countdown(WriteMixin, Progress):
      hide_cursor = True
  
      def update(self):
          self.write(str(self.remaining))
  
  
  class Stack(WriteMixin, Progress):
      phases = (' ', '▁', '▂', '▃', '▄', '▅', '▆', '▇', '█')
      hide_cursor = True
  
      def update(self):
          nphases = len(self.phases)
          i = min(nphases - 1, int(self.progress * nphases))
          self.write(self.phases[i])
  
  
  class Pie(Stack):
      phases = ('○', '◔', '◑', '◕', '●')
  