cache.py 文件源码

def setThumbnail(self, service, url=''):

        if not constants.CONST.CACHE:
            return url

        #load cachePath if not already loaded
        if self.cachePath == '':
            self.cachePath = service.settings.cachePath


        # there is no cache path setting or the setting is unset -- we should assume user does not want to use caching
        if not service.settings.cacheThumbnails or self.cachePath == '':

            if url == '':
                return self.package.file.thumbnail
            else:
                return url

        if url == '':
            url = self.package.file.thumbnail

        #simply no thumbnail
        if url == '':
            return ""

        #user doesn't want to cache thumbnails
        if not service.settings.cacheThumbnails:
            return url

        cachePath = str(self.cachePath) + str(self.package.file.id) + '/'
        cacheFile = str(self.cachePath) + str(self.package.file.id) + '.jpg'
        if not xbmcvfs.exists(cachePath):
            xbmcvfs.mkdirs(cachePath)
        if not xbmcvfs.exists(cacheFile):
            cacheFile = service.downloadGeneralFile(url, cacheFile)
            if cacheFile is None:
                return url
        return cacheFile


    ##
    #  get the thumbnail
    ##