utils.py 文件源码

def _check_url_reachable_and_then_download_cb(self, f, result,
                                                  user_data=None):
        self.LOG.debug("_check_url_reachable_and_then_download_cb: %s" % f)
        try:
            info = f.query_info_finish(result)
            etag = info.get_etag()
            self.emit('file-url-reachable', True)
            self.LOG.debug("file reachable %s %s %s" % (self.url,
                                                        info,
                                                        etag))
            # url is reachable, now download the file
            f.load_contents_async(
                self._cancellable, self._file_download_complete_cb, None)
        except GObject.GError as e:
            self.LOG.debug("file *not* reachable %s" % self.url)
            self.emit('file-url-reachable', False)
            self.emit('error', GObject.GError, e)
        del f