parameters: (self, logfile = None, verbose = True)
docstring: @type  logfile: str or None
          @param logfile: Append messages to this text file.
  
          @type  verbose: bool
          @param verbose: C{True} to print messages to standard output.
docstring_summary: @type  logfile: str or None
          @param logfile: Append messages to this text file.
docstring_tokens: @type logfile : str or None @param logfile : Append messages to this text file .
function: def __init__(self, logfile = None, verbose = True):
          """
          @type  logfile: str or None
          @param logfile: Append messages to this text file.
  
          @type  verbose: bool
          @param verbose: C{True} to print messages to standard output.
          """
          self.verbose = verbose
          self.logfile = logfile
          if self.logfile:
              self.fd = open(self.logfile, 'a+')
function_tokens: def __init__ ( self , logfile = None , verbose = True ) : self . verbose = verbose self . logfile = logfile if self . logfile : self . fd = open ( self . logfile , 'a+' )