from paver.defaults import *import paver.virtualoptions(    virtualenv=Bunch(        packages_to_install=['pip'],        paver_command_line="setup"    ))@taskdef setup():    """Get this production environment setup."""    sh("bin/pip install -r requirements.txt")    print "Don't forget to run the database upgrade! (paver db)"    @taskdef db():    from bespin import config, model, db_versions    from migrate.versioning.shell import main    execfile("../wsgi-apps/bespin.wsgi", {'__file__' : '/home/wsgiapps/wsgi-apps/bespin.wsgi'})        repository = str(path(db_versions.__file__).dirname())    dburl = config.c.dburl    dry("Run the database upgrade", main, ["upgrade", dburl, repository])        # touch the wsgi app so that mod_wsgi sees that we've updated    sh("touch ../wsgi-apps/bespin.wsgi")