old_contents: # vim:ts=4:sw=4:expandtab
  '''A simple logging module that supports various verbosity
  levels and component-specific subloggers.
  '''
  
  import sys
  import time
  from twiggy import log as olog, add_emitters, levels, outputs, formats, emitters
  from functools import partial
  
  diesel_format = formats.line_format
  diesel_format.traceback_prefix = '\n'
  diesel_format.conversion = formats.ConversionTable()
  diesel_format.conversion.add("time", partial(time.strftime, "%Y/%m/%d %H:%M:%S"), "[{1}]".format)
  diesel_format.conversion.add("name", str, "{{{1}}}".format)
  diesel_format.conversion.add("level", str, "{1}".format)
  diesel_format.conversion.aggregate = " ".join
  diesel_format.conversion.genericValue = str
  diesel_format.conversion.genericItem = lambda _1, _2: "%s=%s" % (_1, _2)
  
  diesel_output = outputs.StreamOutput(diesel_format)
  
  def set_log_level(level=levels.INFO):
      emitters.clear()
  
      add_emitters(
          ('*', level, None, diesel_output)
      )
  
  log = olog.name("diesel")
  
  set_log_level()
  
new_contents: # vim:ts=4:sw=4:expandtab
  '''A simple logging module that supports various verbosity
  levels and component-specific subloggers.
  '''
  
  import sys
  import time
  from twiggy import log as olog, levels, outputs, formats, emitters
  try:
      from twiggy import add_emitters
  except ImportError:
      from twiggy import addEmitters as add_emitters
  from functools import partial
  
  diesel_format = formats.line_format
  diesel_format.traceback_prefix = '\n'
  diesel_format.conversion = formats.ConversionTable()
  diesel_format.conversion.add("time", partial(time.strftime, "%Y/%m/%d %H:%M:%S"), "[{1}]".format)
  diesel_format.conversion.add("name", str, "{{{1}}}".format)
  diesel_format.conversion.add("level", str, "{1}".format)
  diesel_format.conversion.aggregate = " ".join
  diesel_format.conversion.genericValue = str
  diesel_format.conversion.genericItem = lambda _1, _2: "%s=%s" % (_1, _2)
  
  diesel_output = outputs.StreamOutput(diesel_format)
  
  def set_log_level(level=levels.INFO):
      emitters.clear()
  
      add_emitters(
          ('*', level, None, diesel_output)
      )
  
  log = olog.name("diesel")
  
  set_log_level()
  
subject: Support Twiggy 0.2 and 0.4 APIs