import os, zipfile, sys, appuifw

dirString = u'E:\\Documents\\wrtdev\\'
wgzString = u'AppFolder'

def addDir(arg, d, fn):
    global z
    for item in fn:
        rel = d.replace(arg, '')
        fullName = d + '\\' + item
        fullName = fullName.encode('ascii', 'replace')
        arcName = rel + '\\' + item
        arcName = arcName.encode('ascii', 'replace')
        z.write(fullName, arcName)

zipPath = dirString + wgzString + u'.zip'
if os.path.exists(zipPath):
    os.remove(zipPath)
    print 'removing old archive first'
z = zipfile.ZipFile(zipPath, 'w')

os.path.walk(dirString + wgzString, addDir, dirString)

z.printdir()
z.close()

wgzPath = dirString + wgzString + u'.wgz'
if os.path.exists(wgzPath):
    os.remove(wgzPath)
os.rename(zipPath, wgzPath)

launcher = appuifw.Content_handler()
launcher.open(wgzPath)