示例#1
0
    def test_get_tag(self):
        mdpath = os.path.join(self.test_dir, 'metadata')
        specpath = 'dataset-ex'
        ensure_path_exists(os.path.join(mdpath, specpath))
        shutil.copy('hdata/dataset-ex.spec', os.path.join(mdpath, specpath) + '/dataset-ex.spec')
        manifestpath = os.path.join(os.path.join(mdpath, specpath), 'MANIFEST.yaml')
        yaml_save(files_mock, manifestpath)

        config['mlgit_path'] = self.test_dir
        m = Metadata(specpath, mdpath, config, DATASETS)
        r = Repository(config, DATASETS)
        r.init()

        tag_list = ['computer__images__dataset-ex__1']
        with mock.patch('ml_git.metadata.Metadata.list_tags', return_value=tag_list):
            target_tag = m.get_tag(specpath, -1)
        self.assertEqual(target_tag, tag_list[0])
        clear(m.path)
示例#2
0
    def _checkout(self, tag, samples, options):
        dataset = options['with_dataset']
        labels = options['with_labels']
        retries = options['retry']
        force_get = options['force']
        bare = options['bare']
        version = options['version']
        repo_type = self.__repo_type
        try:
            cache_path = get_cache_path(self.__config, repo_type)
            metadata_path = get_metadata_path(self.__config, repo_type)
            objects_path = get_objects_path(self.__config, repo_type)
            refs_path = get_refs_path(self.__config, repo_type)

            if not re.search(RGX_TAG_FORMAT, tag):
                metadata_path = get_metadata_path(self.__config, repo_type)
                metadata = Metadata(tag, metadata_path, self.__config,
                                    repo_type)
                tag = metadata.get_tag(tag, version)
                if not tag:
                    return None, None
            elif not self._tag_exists(tag):
                return None, None
            categories_path, spec_name, _ = spec_parse(tag)
            root_path = get_root_path()
            ws_path = os.path.join(root_path,
                                   os.sep.join([repo_type, categories_path]))
        except Exception as e:
            log.error(e, class_name=LOCAL_REPOSITORY_CLASS_NAME)
            return None, None

        ref = Refs(refs_path, spec_name, repo_type)
        cur_tag, _ = ref.branch()

        if cur_tag == tag:
            log.info('already at tag [%s]' % tag,
                     class_name=REPOSITORY_CLASS_NAME)
            return None, None

        local_rep = LocalRepository(self.__config, objects_path, repo_type)
        # check if no data left untracked/uncommitted. otherwise, stop.
        if not force_get and local_rep.exist_local_changes(spec_name) is True:
            return None, None

        try:
            self._checkout_ref(tag)
        except Exception:
            log.error('Unable to checkout to %s' % tag,
                      class_name=REPOSITORY_CLASS_NAME)
            return None, None

        dataset_tag, labels_tag = self._get_related_tags(
            categories_path, dataset, labels, metadata_path, repo_type,
            spec_name)

        fetch_success = self._fetch(tag, samples, retries, bare)
        if not fetch_success:
            objs = Objects('', objects_path)
            objs.fsck(remove_corrupted=True)
            self._checkout_ref()
            return None, None
        ensure_path_exists(ws_path)

        try:
            spec_index_path = os.path.join(
                get_index_metadata_path(self.__config, repo_type), spec_name)
        except Exception:
            return
        self._delete_spec_and_readme(spec_index_path, spec_name)

        try:
            r = LocalRepository(self.__config, objects_path, repo_type)
            r.checkout(cache_path, metadata_path, ws_path, tag, samples, bare)
        except OSError as e:
            self._checkout_ref()
            if e.errno == errno.ENOSPC:
                log.error(
                    'There is not enough space in the disk. Remove some files and try again.',
                    class_name=REPOSITORY_CLASS_NAME)
            else:
                log.error(
                    'An error occurred while creating the files into workspace: %s \n.'
                    % e,
                    class_name=REPOSITORY_CLASS_NAME)
                return None, None
        except Exception as e:
            self._checkout_ref()
            log.error(
                'An error occurred while creating the files into workspace: %s \n.'
                % e,
                class_name=REPOSITORY_CLASS_NAME)
            return None, None

        m = Metadata('', metadata_path, self.__config, repo_type)
        sha = m.sha_from_tag(tag)
        ref.update_head(tag, sha)

        # restore to master/head
        self._checkout_ref()
        return dataset_tag, labels_tag