fabfile.py

@task                                                                            
def bootstrap():                                                                 
    """Bootstrap machine to run fabric tasks"""                                  
                                                                                 
    with settings(user=env.user):                                                
        bashrc = run('cat ~/.bashrc')                                            
        if 'DJANGO_SETTINGS_MODULE' not in bashrc:                               
            default_settings = 'project_one.settings.{0}'.format(                
                env.environment                                                  
            )                                                                    
            run('echo "export DJANGO_SETTINGS_MODULE={0}" >> ~/.bashrc'.format(  
                default_settings))