SoftwareUpdate.py 文件源码

def getLatestImageTimestamp(self):
        currentTimeoutDefault = socket.getdefaulttimeout()
        socket.setdefaulttimeout(3)
        try:
            # TODO: Use Twisted's URL fetcher, urlopen is evil. And it can
            # run in parallel to the package update.
            from time import strftime
            from datetime import datetime
            imageVersion = about.getImageTypeString().split(" ")[1]
            imageVersion = (int(imageVersion) < 5 and "%.1f" or "%s") % int(imageVersion)
            url = "http://openpli.org/download/timestamp/%s~%s" % (HardwareInfo().get_device_model(), imageVersion)
            try:
                latestImageTimestamp = datetime.fromtimestamp(int(urlopen(url, timeout=5).read())).strftime(_("%Y-%m-%d %H:%M"))
            except:
                # OpenPli 5.0 uses python 2.7.11 and here we need to bypass the certificate check
                from ssl import _create_unverified_context
                latestImageTimestamp = datetime.fromtimestamp(int(urlopen(url, timeout=5, context=_create_unverified_context()).read())).strftime(_("%Y-%m-%d %H:%M"))
        except:
            latestImageTimestamp = ""
        socket.setdefaulttimeout(currentTimeoutDefault)
        return latestImageTimestamp