pgmigrate.py 文件源码

def _parse_dict_callbacks(callbacks, ret, base_dir):
    for i in callbacks:
        if i in ret._fields:
            for j in callbacks[i]:
                path = os.path.join(base_dir, j)
                if not os.path.exists(path):
                    raise ConfigurationError(
                        'Path unavailable: {path}'.format(path=text(path)))
                if os.path.isdir(path):
                    for fname in sorted(os.listdir(path)):
                        getattr(ret, i).append(os.path.join(path, fname))
                else:
                    getattr(ret, i).append(path)
        else:
            raise ConfigurationError(
                'Unexpected callback type: {type}'.format(type=text(i)))

    return ret