cache.py 文件源码

def save(self, key, data):
        try:
            with open(self.cache_path, 'wb') as fh:
                self.data[pickle.dumps(key)] = data
                pickle.dump(self.data, fh, protocol=2)
        except Exception as e:
            log.warning("Could not save cache %s err: %s" % (
                self.cache_path, e))
            if not os.path.exists(self.cache_path):
                directory = os.path.dirname(self.cache_path)
                log.info('Generating Cache directory: %s.' % directory)
                try:
                    os.makedirs(directory)
                except Exception as e:
                    log.warning("Could not create directory: %s err: %s" % (
                        directory, e))