code: def run_export_db(filename=None):
      
      if not filename:
          filename = settings.DB_DUMP_FILENAME
      with cd(settings.FAB_SETTING('SERVER_PROJECT_ROOT')):
          run_workon('fab export_db:remote=True,filename={}'.format(filename))
docs: Exports the database on the server.
  
      Usage::
  
          fab prod run_export_db
          fab prod run_export_db:filename=foobar.dump