My very simple django deploy script

fabfile.py

from fabric.api import task, cd, sudo, run, env, prefix
from contextlib import contextmanager as _contextmanager

@task(default=True)     
def live():
    env.hosts = ['ssh.myserver.com']
    env.virtualenv = "project-release"
    env.parent = "github"
    env.branch = "master"
    env.user = "user" 
    env.key_filename = ["~/.ssh/id_rsa"]
    env.code_dir = ''
    
@task(default=True)
def deploy():
    pull(env.parent, env.branch)
    dependencies()
    files()
    migrate()
    translate()
    apache_restart()
    
@task
def test():
    with virtualenv(), path():
        run("./manage.py test")

@task
def dependencies():
    with virtualenv(), path():
        run("pip install -r requirements/base.txt")

@task
def pull(parent="github", branch="master"):
    with path():
        run("git pull") # %(parent)s %(branch)s"  % {'parent' : parent, 'branch' : branch })

@task
def migrate():
    with virtualenv(), path():
        run("./manage.py syncdb --noinput")
        run("./manage.py migrate --noinput")

@task
def translate():
    with virtualenv(), path():
        run("django-admin.py compilemessages")
        
@task
def files():
    with virtualenv(), path():
        run("./manage.py collectstatic --noinput")

@task
def apache_restart():
    sudo('/etc/init.d/httpd restart')
    

@_contextmanager
def virtualenv():
    with prefix("workon %s" % env.virtualenv):
        yield

@_contextmanager
def path():
    with cd(env.code_dir):
        yield