#!/usr/bin/python
# -*- coding: utf-8 -*-
#       This program is free software; you can redistribute it and/or modify
#       it under the terms of the GNU General Public License as published by
#       the Free Software Foundation; either version 2 of the License, or
#       (at your option) any later version.
#       
#       This program is distributed in the hope that it will be useful,
#       but WITHOUT ANY WARRANTY; without even the implied warranty of
#       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#       GNU General Public License for more details.
#       
#       You should have received a copy of the GNU General Public License
#       along with this program; if not, write to the Free Software
#       Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
#       MA 02110-1301, USA.


import time
import os

class Led:
  """Led class"""
 
  def __init__(self, type = 'file', **kwargs):
    """Init led and get status
 
    Keyword Arguments:
    type -- String
    adress -- String
    on -- String
    off -- String
 
    Returns: None
 
    """
    self.type = type
    if type == 'file':
      self.adress = kwargs<'adress'>
      file = open(self.adress, 'r')
      self.status = int(file.read())
      file.close()
    elif type == 'command':
      for arg in kwargs:
  setattr(self, arg, kwargs<arg>)
  self.status = 0
 
  def push(self, data):
    """Change led file value
 
    Keyword Arguments:
    data -- Int
 
    Returns: None
 
    """
    file = open(self.adress, 'w')
    file.write(str(data))
    file.close()
 
  def action(self, type):
    """Run on/off command
 
    Keyword Arguments:
    type -- Int
 
    Returns: None
 
    """
    os.system(getattr(self, type and 'on' or 'off'))
 
  def change_status(self, value = -1):
    """Change led status"
 
    Keyword Arguments:
    value -- Int
 
    Returns: None
 
    """
    if value == -1:
      value = 1 - self.status
    if self.type == 'file':
      self.push(value)
    elif self.type == 'command':
      self.action(value)
    self.status = value

class Leds:
  """Flashing leds class"""
  leds = 

 
  def __init__(self, *args, **kwargs):
    """Init leds
 
    Keyword Arguments:
    *args -- Led init data
 
    Returns: None
 
    """
    try:
      self.interval = kwargs<'interval'>
    except NameError:
      pass
    for led in args:
      self.append(led)
 
  def append(self, adress):
    """Add led to leds array
 
    Keyword Arguments:
    adress -- String or Tuple
 
    Returns: None
 
    """
    if type(adress) == str:
      self.leds.append(Led(type='file', adress=adress))
    elif type(adress) == tuple:
      self.leds.append(Led(type='command', on=adress<0>, off=adress<1>))
 
  def run(self):
    """Start led flashing"""
    while True:
      for led in self.leds:
 led.change_status()
 time.sleep(self.interval)
 
 
if __name__ == '__main__':
  leds = Leds(
       '/sys/devices/platform/asus_laptop/wlan',
       '/sys/devices/platform/asus_laptop/bluetooth',
       ('streamer -c /dev/video0 -b 16 -o /dev/null&', 'killall streamer'),
       interval=0.5,
       )
  leds.run()</arg>