def getConfig(self):
    '\n        Get the current value of the configuration from the dialog.  Also\n        set the _previousIdentifier value so that we can check uniqueness of the\n        identifier over the whole of the workflow.\n        '
    self._previousIdentifier = self._ui.lineEdit0.text()
    config = {'identifier': self._ui.lineEdit0.text(), 'File': self._output_location()}
    if self._previousLocation:
        config['previous_location'] = os.path.relpath(self._previousLocation, self._workflow_location)
    else:
        config['previous_location'] = ''
    return config
Get the current value of the configuration from the dialog.  Also
set the _previousIdentifier value so that we can check uniqueness of the
identifier over the whole of the workflow.
def getConfig(self):
    '\n        Get the current value of the configuration from the dialog.  Also\n        set the _previousIdentifier value so that we can check uniqueness of the\n        identifier over the whole of the workflow.\n        '
    self._previousIdentifier = self._ui.lineEdit0.text()
    config = {'identifier': self._ui.lineEdit0.text(), 'File': self._output_location()}
    if self._previousLocation:
        config['previous_location'] = os.path.relpath(self._previousLocation, self._workflow_location)
    else:
        config['previous_location'] = 
    return config