@task
def restart_web_server():
    run('%s/apache2/bin/restart' % env.code_root_parent)
A file widget is provided, but use model FileField or
dataset/ETHPy150Open fabric-bolt/fabric-bolt/fabric_bolt/fabfile.py/restart_web_server--crossover with--dataset/ETHPy150Open django-nonrel/djangotoolbox/djangotoolbox/fields.py/BlobField.formfield