Run a task once, on the localhost only.

fabfile.py

env.roledefs = {
    'hosts' : ['foo', 'bar'],
    'local' : []
}


@task
@roles('hosts')
def export_dummies():
    run("rm -rf /tmp/exports")
    run("mkdir -p /tmp/exports")
    with cd("/tmp/exports"):
        for dummy in env.dummy_group[env.host_string]:
            """
            Unfortunately `sudo` does not work
            with the `cd` context manager
            so we use `run` instead
            """
            run("sudo /root/server_scripts/misc/export_pages_data.sh %s" % dummy)
    local("mkdir -p /tmp/incoming_exports")
    get("/tmp/exports/*", "/tmp/incoming_exports")


@task
@roles('hosts')
def import_dummies():
    with lcd('/tmp/incoming_exports'):
        for dummy in env.dummy_group[env.host_string]:
            local("sudo /root/server_scripts/misc/import_pages_data.sh -s %s" % dummy)


@task
@roles('local')
def setup_subtypes():
    transport.merge_subtype_from_source_to_destination(
        env.get('subtype_id'),
        env.get('region_id', 1)
    )