old_contents: # -*- coding:utf8 -*-
  
  """
  common settings
  
  FUTURE:  read setting from a json file
  """
  
  
  """
  path configuration
  """
  ICON_PATH = '../icons/'
  CACHE_PATH = '../cache/'
  DATA_PATH = '../DATA/'
  
  
  """
  mode configuration
  """
  DEBUG = True   # 1 for debug
  PRODUCTION = False  # 0 for Production Environment
  LOGFILE = CACHE_PATH + 'error.log'
  MODE = DEBUG
  
  
  """
  theme configuration
  """
  QSS_PATH = 'themes/default.qss'
  
  
  """
  web_assets configuration
  """
  HTML_PATH = 'web_assets/'
  PUBLIC_PATH = 'web_assets/public/'
  
  """
  icon name
  """
  PLAYLIST_FAVORITE = ICON_PATH + 'playlist_favorite.png'
  PLAYLIST_MINE = ICON_PATH + 'Format-Bullets-01-16.png'
  PLAYLIST_NORMAL = ICON_PATH + 'playlist_mine.png'
  WINDOW_ICON = ICON_PATH + 'FeelUOwn.png'
  
new_contents: # -*- coding:utf8 -*-
  
  """
  common settings
  
  FUTURE:  read setting from a json file
  """
  
  
  """
  path configuration
  """
  ICON_PATH = '../icons/'
  CACHE_PATH = '../cache/'
  DATA_PATH = '../DATA/'
  
  
  """
  mode configuration
  """
  DEBUG = True   # 1 for debug
  PRODUCTION = False  # 0 for Production Environment
  LOGFILE = CACHE_PATH + 'error.log'
  MODE = PRODUCTION
  
  
  """
  theme configuration
  """
  QSS_PATH = 'themes/default.qss'
  
  
  """
  web_assets configuration
  """
  HTML_PATH = 'web_assets/'
  PUBLIC_PATH = 'web_assets/public/'
  
  """
  icon name
  """
  PLAYLIST_FAVORITE = ICON_PATH + 'playlist_favorite.png'
  PLAYLIST_MINE = ICON_PATH + 'Format-Bullets-01-16.png'
  PLAYLIST_NORMAL = ICON_PATH + 'playlist_mine.png'
  WINDOW_ICON = ICON_PATH + 'FeelUOwn.png'
  
subject: change debug to product