def checkout(self, tag, samples, options):
try:
metadata_path = get_metadata_path(self.__config)
except RootPathException as e:
log.warn(e, class_name=REPOSITORY_CLASS_NAME)
metadata_path = self._initialize_repository_on_the_fly()
dt_tag, lb_tag = self._checkout(tag, samples, options)
options['with_dataset'] = False
options['with_labels'] = False
if dt_tag is not None:
try:
self.__repo_type = 'dataset'
m = Metadata('', metadata_path, self.__config,
self.__repo_type)
log.info('Initializing related dataset download',
class_name=REPOSITORY_CLASS_NAME)
if not m.check_exists():
m.init()
self._checkout(dt_tag, samples, options)
except Exception as e:
log.error('LocalRepository: [%s]' % e,
class_name=REPOSITORY_CLASS_NAME)
if lb_tag is not None:
try:
self.__repo_type = 'labels'
m = Metadata('', metadata_path, self.__config,
self.__repo_type)
log.info('Initializing related labels download',
class_name=REPOSITORY_CLASS_NAME)
if not m.check_exists():
m.init()
self._checkout(lb_tag, samples, options)
except Exception as e:
log.error('LocalRepository: [%s]' % e,
class_name=REPOSITORY_CLASS_NAME)
def check_initialized_entity(context, entity_type, entity_name):
config = merged_config_load()
metadata_path = get_metadata_path(config, entity_type)
metadata = Metadata(entity_name, metadata_path, config, entity_type)
if not metadata.check_exists():
log.error(output_messages['ERROR_NOT_INITIALIZED'] % entity_type)
context.exit()
def metadata_exists(self, entity):
self.__repo_type = entity
entity_metadata_path = get_metadata_path(self.__config,
self.__repo_type)
metadata = Metadata('', entity_metadata_path, self.__config,
self.__repo_type)
return metadata.check_exists()
def get_last_entity_version(entity_type, entity_name):
config = merged_config_load()
metadata_path = get_metadata_path(config, entity_type)
metadata = Metadata(entity_name, metadata_path, config, entity_type)
if not metadata.check_exists():
log.error(output_messages['ERROR_NOT_INITIALIZED'] % entity_type)
return
last_version = metadata.get_last_tag_version(entity_name)
return last_version + 1
def test_default_branch(self):
default_branch_for_empty_repo = 'master'
new_branch = 'main'
m = Metadata('', self.test_dir, config, DATASETS)
m.init()
self.assertTrue(m.check_exists())
self.assertEqual(m.get_default_branch(), default_branch_for_empty_repo)
self.change_branch(m.path, new_branch)
self.assertNotEqual(m.get_default_branch(), default_branch_for_empty_repo)
self.assertEqual(m.get_default_branch(), new_branch)
clear(m.path)
def test_clone_empty_config_repo(self):
config = {
'mlgit_path': './mdata',
'mlgit_conf': 'config.yaml',
'verbose': 'info',
DATASETS: {'git': '', },
LABELS: {'git': '', },
MODELS: {'git': '', }, }
m = Metadata('', self.test_dir, config, DATASETS)
m.clone_config_repo()
self.assertFalse(m.check_exists())
def list(self):
repo_type = self.__repo_type
try:
metadata_path = get_metadata_path(self.__config, repo_type)
m = Metadata('', metadata_path, self.__config, repo_type)
if not m.check_exists():
raise RuntimeError('The %s doesn\'t have been initialized.' %
self.__repo_type)
m.checkout()
m.list(title='ML ' + repo_type)
except GitError as g:
error_message = g.stderr
if 'did not match any file(s) known' in error_message:
error_message = 'You don\'t have any entity being managed.'
log.error(error_message, class_name=REPOSITORY_CLASS_NAME)
return
except Exception as e:
log.error(e, class_name=REPOSITORY_CLASS_NAME)
return
def test_clone_empty_config_repo(self):
config = {
'mlgit_path': './mdata',
'mlgit_conf': 'config.yaml',
'verbose': 'info',
'dataset': {
'git': '',
},
'labels': {
'git': '',
},
'model': {
'git': '',
},
}
m = Metadata('', self.test_dir, config, repotype)
m.clone_config_repo()
self.assertFalse(m.check_exists())
def add(self, spec, file_path, bump_version=False, run_fsck=False):
repo_type = self.__repo_type
is_shared_objects = 'objects_path' in self.__config[repo_type]
is_shared_cache = 'cache_path' in self.__config[repo_type]
if not validate_config_spec_hash(self.__config):
log.error(
'.ml-git/config.yaml invalid. It should look something like this:\n%s'
% get_yaml_str(
get_sample_config_spec('somebucket', 'someprofile',
'someregion')),
class_name=REPOSITORY_CLASS_NAME)
return None
path, file = None, None
try:
refs_path = get_refs_path(self.__config, repo_type)
index_path = get_index_path(self.__config, repo_type)
metadata_path = get_metadata_path(self.__config, repo_type)
cache_path = get_cache_path(self.__config, repo_type)
objects_path = get_objects_path(self.__config, repo_type)
repo = LocalRepository(self.__config, objects_path, repo_type)
mutability, check_mutability = repo.get_mutability_from_spec(
spec, repo_type)
sampling_flag = os.path.exists(
os.path.join(index_path, 'metadata', spec, 'sampling'))
if sampling_flag:
log.error(
'You cannot add new data to an entity that is based on a checkout with the --sampling option.',
class_name=REPOSITORY_CLASS_NAME)
return
if not mutability:
return
if not check_mutability:
log.error('Spec mutability cannot be changed.',
class_name=REPOSITORY_CLASS_NAME)
return
if not self._has_new_data(repo, spec):
return None
ref = Refs(refs_path, spec, repo_type)
tag, sha = ref.branch()
categories_path = get_path_with_categories(tag)
path, file = search_spec_file(self.__repo_type, spec,
categories_path)
except Exception as e:
log.error(e, class_name=REPOSITORY_CLASS_NAME)
return
if path is None:
return
spec_path = os.path.join(path, file)
if not self._is_spec_valid(spec_path):
return None
# Check tag before anything to avoid creating unstable state
log.debug('Repository: check if tag already exists',
class_name=REPOSITORY_CLASS_NAME)
m = Metadata(spec, metadata_path, self.__config, repo_type)
if not m.check_exists():
log.error('The %s has not been initialized' % self.__repo_type,
class_name=REPOSITORY_CLASS_NAME)
return
try:
m.update()
except Exception:
pass
# get version of current manifest file
manifest = self._get_current_manifest_file(m, tag)
try:
# adds chunks to ml-git Index
log.info('%s adding path [%s] to ml-git index' % (repo_type, path),
class_name=REPOSITORY_CLASS_NAME)
with change_mask_for_routine(is_shared_objects):
idx = MultihashIndex(spec, index_path, objects_path,
mutability, cache_path)
idx.add(path, manifest, file_path)
# create hard links in ml-git Cache
self.create_hard_links_in_cache(cache_path, index_path,
is_shared_cache, mutability, path,
spec)
except Exception as e:
log.error(e, class_name=REPOSITORY_CLASS_NAME)
return None
if bump_version and not increment_version_in_spec(
spec_path, self.__repo_type):
return None
idx.add_metadata(path, file)
self._check_corrupted_files(spec, repo)
# Run file check
if run_fsck:
self.fsck()
def commit(self, spec, specs, version=None, run_fsck=False, msg=None):
# Move chunks from index to .ml-git/objects
repo_type = self.__repo_type
try:
index_path = get_index_path(self.__config, repo_type)
objects_path = get_objects_path(self.__config, repo_type)
metadata_path = get_metadata_path(self.__config, repo_type)
refs_path = get_refs_path(self.__config, repo_type)
repo = LocalRepository(self.__config, objects_path, repo_type)
mutability, check_mutability = repo.get_mutability_from_spec(
spec, repo_type)
if not mutability:
return
if not check_mutability:
log.error('Spec mutability cannot be changed.',
class_name=REPOSITORY_CLASS_NAME)
return
except Exception as e:
log.error(e, class_name=REPOSITORY_CLASS_NAME)
return
ref = Refs(refs_path, spec, repo_type)
tag, sha = ref.branch()
categories_path = get_path_with_categories(tag)
manifest_path = os.path.join(metadata_path, categories_path, spec,
MANIFEST_FILE)
path, file = None, None
try:
path, file = search_spec_file(self.__repo_type, spec,
categories_path)
except Exception as e:
log.error(e, class_name=REPOSITORY_CLASS_NAME)
if path is None:
return None, None, None
spec_path = os.path.join(path, file)
idx = MultihashIndex(spec, index_path, objects_path)
if version:
set_version_in_spec(version, spec_path, self.__repo_type)
idx.add_metadata(path, file)
# Check tag before anything to avoid creating unstable state
log.debug('Check if tag already exists',
class_name=REPOSITORY_CLASS_NAME)
m = Metadata(spec, metadata_path, self.__config, repo_type)
if not m.check_exists():
log.error('The %s has not been initialized' % self.__repo_type,
class_name=REPOSITORY_CLASS_NAME)
return
full_metadata_path, categories_sub_path, metadata = m.tag_exists(
index_path)
if metadata is None:
return None
log.debug('%s -> %s' % (index_path, objects_path),
class_name=REPOSITORY_CLASS_NAME)
# commit objects in index to ml-git objects
o = Objects(spec, objects_path)
changed_files, deleted_files = o.commit_index(index_path, path)
bare_mode = os.path.exists(
os.path.join(index_path, 'metadata', spec, 'bare'))
if not bare_mode:
manifest = m.get_metadata_manifest(manifest_path)
self._remove_deleted_files(idx, index_path, m, manifest, spec,
deleted_files)
m.remove_files_added_after_base_tag(manifest, path)
else:
tag, _ = ref.branch()
self._checkout_ref(tag)
# update metadata spec & README.md
# option --dataset-spec --labels-spec
tag, sha = m.commit_metadata(index_path, specs, msg, changed_files,
mutability, path)
# update ml-git ref spec HEAD == to new SHA-1 / tag
if tag is None:
return None
ref = Refs(refs_path, spec, repo_type)
ref.update_head(tag, sha)
# Run file check
if run_fsck:
self.fsck()
return tag
def test_init(self):
m = Metadata(spec, self.test_dir, config, repotype)
m.init()
self.assertTrue(m.check_exists())
clear(m.path)
def test_clone_config_repo(self):
m = Metadata('', self.test_dir, config, repotype)
m.clone_config_repo()
self.assertTrue(m.check_exists())
def test_init_local_repo(self):
m = Metadata(spec, self.test_dir, config, DATASETS)
m.init()
self.assertTrue(m.check_exists())
clear(m.path)
