def voucher_preview(request, uid, scale, name):
"""
凭证预览
uid = auth_user.id
scale = small,middle,larget
name = id_front.jpg|tax.jpg|license.jpg
"""
if request.method == "GET":
try:
proxy = UpgradeVoucherProxy()
voucher = proxy.get_voucher(uid=uid, name=name)
if voucher is None:
raise Exception(u"voucher not found!uid:%s,name:%s" % (uid, name))
except Exception, e:
_logerror.exception(e)
uid = 0
name = None
return preview_img_response(uid, name, scale)
