Fabfile calling 7zip on windows

gistfile1.py

from datetime import datetime
from subprocess import Popen, PIPE, call
from fabric.api import *
from fabric.contrib.console import confirm

# use this instead of os.path.join since remote OS might differ from local
PATH_SEP = "/"

env.user = 'czue'
env.hosts = ['czue.org']

def clean():
    try:
        local("rmdir /q /s deploy")
    except Exception: pass
    
def pack():
    clean()
    local("mkdir deploy")
    # www
    call("7z a -ttar website.tar", shell=True, cwd="www")
    call(r"move website.tar ..\deploy", shell=True, cwd="www")
    call("7z a -tgzip website.tgz website.tar", shell=True, cwd="deploy")
    #local('7z a -ttar website.tar ', capture=False)
    #local('7z a -tgzip website.tgz website.tar', capture=False)
    # django
    call("7z a -ttar django.tar", shell=True, cwd="django")
    call(r"move django.tar ..\deploy", shell=True, cwd="django")
    call("7z a -tgzip django.tgz django.tar", shell=True, cwd="deploy")
    
    
def deploy():
    put('deploy/website.tgz', '/tmp/')
    put('deploy/django.tgz', '/tmp/')
    with cd('/var/www/czue/'):
        sudo('tar xzf /tmp/website.tgz')
    with cd('/var/django/'):
        run('tar xzf /tmp/django.tgz')
    sudo('/etc/init.d/apache2 reload')