text: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  """
  Module implementing a logger class
  
  @author: perl
  """
  import logging
  from qtpy.QtWidgets import QTextBrowser
  
  
  class QLogger(logging.Handler):
      """
      Logger handler
      """
      def __init__(self, parent):
          super().__init__()
          self.widget = QTextBrowser(parent)
          self.widget.setReadOnly(True)
  
      def emit(self, record):
          """
          Append logger record to text browser
  
          Parameters
          ----------
          record : str
              logger record
  
          """
          record = self.format(record)
          self.widget.append(record)
  
  