parameters: (self, title, filename, encoding=None)
docstring: Create textview for filename.
  
          The filename needs to be in the current directory.  The path
          is sent to a text viewer with self as the parent, title as
          the title of the popup, and the file encoding.
docstring_summary: Create textview for filename.
docstring_tokens: Create textview for filename .
function: def display_file_text(self, title, filename, encoding=None):
          """Create textview for filename.
  
          The filename needs to be in the current directory.  The path
          is sent to a text viewer with self as the parent, title as
          the title of the popup, and the file encoding.
          """
          fn = os.path.join(os.path.abspath(os.path.dirname(__file__)), filename)
          self._current_textview = textview.view_file(
              self, title, fn, encoding, _utest=self._utest)
function_tokens: def display_file_text ( self , title , filename , encoding = None ) : fn = os . path . join ( os . path . abspath ( os . path . dirname ( __file__ ) ) , filename ) self . _current_textview = textview . view_file ( self , title , fn , encoding , _utest = self . _utest )