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Source code for galaxy.model.store.discover

"""Utilities for discovering files to add to a model store.

Working with input "JSON" format used for Fetch API, galaxy.json
imports, etc... High-level utilities in this file can be used during
job output discovery or for persisting Galaxy model objects
corresponding to files in other contexts.
"""
import abc
import logging
import os
from collections import (
    namedtuple,
)
from typing import (
    Any,
    Callable,
    Dict,
    List,
    NamedTuple,
    Optional,
    TYPE_CHECKING,
    Union,
)

from sqlalchemy.orm.scoping import ScopedSession

import galaxy.model
from galaxy import util
from galaxy.exceptions import (
    RequestParameterInvalidException
)
from galaxy.model.dataset_collections import builder
from galaxy.model.tags import GalaxySessionlessTagHandler
from galaxy.objectstore import ObjectStore
from galaxy.util import (
    chunk_iterable,
    ExecutionTimer
)
from galaxy.util.hash_util import HASH_NAME_MAP

if TYPE_CHECKING:
    from galaxy.job_execution.output_collect import JobContext, SessionlessJobContext


log = logging.getLogger(__name__)

UNSET = object()
DEFAULT_CHUNK_SIZE = 1000


[docs]class MaxDiscoveredFilesExceededError(ValueError): pass
[docs]class ModelPersistenceContext(metaclass=abc.ABCMeta): """Class for creating datasets while finding files. This class implement the create_dataset method that takes care of populating metadata required for datasets and other potential model objects. """ max_discovered_files = float('inf') discovered_file_count: int
[docs] def create_dataset( self, ext, designation, visible, dbkey, name, filename=None, extra_files=None, metadata_source_name=None, info=None, library_folder=None, link_data=False, primary_data=None, init_from=None, dataset_attributes=None, tag_list=None, sources=None, hashes=None, created_from_basename=None, final_job_state='ok', creating_job_id=None, storage_callbacks=None, ): tag_list = tag_list or [] sources = sources or [] hashes = hashes or [] dataset_attributes = dataset_attributes or {} sa_session = self.sa_session # You can initialize a dataset or initialize from a dataset but not both. if init_from: assert primary_data is None if primary_data: assert init_from is None if metadata_source_name: assert init_from is None if init_from: assert metadata_source_name is None if primary_data is not None: primary_data.extension = ext primary_data.visible = visible primary_data.dbkey = dbkey else: if not library_folder: primary_data = galaxy.model.HistoryDatasetAssociation(extension=ext, designation=designation, visible=visible, dbkey=dbkey, create_dataset=True, flush=False, sa_session=sa_session, creating_job_id=creating_job_id) self.persist_object(primary_data) if init_from: self.permission_provider.copy_dataset_permissions(init_from, primary_data) primary_data.state = init_from.state else: self.permission_provider.set_default_hda_permissions(primary_data) else: ld = galaxy.model.LibraryDataset(folder=library_folder, name=name) ldda = galaxy.model.LibraryDatasetDatasetAssociation(name=name, extension=ext, dbkey=dbkey, # library_dataset=ld, user=self.user, create_dataset=True, flush=False, sa_session=sa_session) ld.library_dataset_dataset_association = ldda self.add_library_dataset_to_folder(library_folder, ld) primary_data = ldda primary_data.raw_set_dataset_state(final_job_state) if final_job_state == galaxy.model.Job.states.ERROR and not self.get_implicit_collection_jobs_association_id(): primary_data.visible = True for source_dict in sources: source = galaxy.model.DatasetSource() source.source_uri = source_dict["source_uri"] source.transform = source_dict.get("transform") primary_data.dataset.sources.append(source) for hash_dict in hashes: hash_object = galaxy.model.DatasetHash() hash_object.hash_function = hash_dict["hash_function"] hash_object.hash_value = hash_dict["hash_value"] primary_data.dataset.hashes.append(hash_object) if created_from_basename is not None: primary_data.created_from_basename = created_from_basename if tag_list: job = getattr(self, "job", None) self.tag_handler.add_tags_from_list(job and job.user, primary_data, tag_list, flush=False) # If match specified a name use otherwise generate one from # designation. if name is not None: primary_data.name = name # Copy metadata from one of the inputs if requested. if metadata_source_name: metadata_source = self.metadata_source_provider.get_metadata_source(metadata_source_name) primary_data.init_meta(copy_from=metadata_source) elif init_from: metadata_source = init_from primary_data.init_meta(copy_from=init_from) # when coming from primary dataset - respect pattern of output - this makes sense primary_data.dbkey = dbkey else: primary_data.init_meta() if info is not None: primary_data.info = info if filename: if storage_callbacks is None: self.finalize_storage(primary_data=primary_data, dataset_attributes=dataset_attributes, extra_files=extra_files, filename=filename, link_data=link_data) else: storage_callbacks.append(lambda: self.finalize_storage(primary_data=primary_data, dataset_attributes=dataset_attributes, extra_files=extra_files, filename=filename, link_data=link_data)) return primary_data
[docs] def finalize_storage(self, primary_data, dataset_attributes, extra_files, filename, link_data): # Move data from temp location to dataset location if not link_data: self.object_store.update_from_file(primary_data.dataset, file_name=filename, create=True) else: primary_data.link_to(filename) if extra_files: persist_extra_files(self.object_store, extra_files, primary_data) primary_data.set_size() else: # We are sure there are no extra files, so optimize things that follow by settting total size also. primary_data.set_size(no_extra_files=True) # TODO: this might run set_meta after copying the file to the object store, which could be inefficient if job working directory is closer to the node. self.set_datasets_metadata(datasets=[primary_data], datasets_attributes=[dataset_attributes])
[docs] @staticmethod def set_datasets_metadata(datasets, datasets_attributes=None): datasets_attributes = datasets_attributes or [{} for _ in datasets] for primary_data, dataset_attributes in zip(datasets, datasets_attributes): # add tool/metadata provided information if dataset_attributes: # TODO: discover_files should produce a match that encorporates this - # would simplify ToolProvidedMetadata interface and eliminate this # crap path. dataset_att_by_name = dict(ext='extension') for att_set in ['name', 'info', 'ext', 'dbkey']: dataset_att_name = dataset_att_by_name.get(att_set, att_set) setattr(primary_data, dataset_att_name, dataset_attributes.get(att_set, getattr(primary_data, dataset_att_name))) try: metadata_dict = dataset_attributes.get('metadata', None) if metadata_dict: if "dbkey" in dataset_attributes: metadata_dict["dbkey"] = dataset_attributes["dbkey"] # branch tested with tool_provided_metadata_3 / tool_provided_metadata_10 primary_data.metadata.from_JSON_dict(json_dict=metadata_dict) else: primary_data.set_meta() except Exception: if primary_data.state == galaxy.model.HistoryDatasetAssociation.states.OK: primary_data.state = galaxy.model.HistoryDatasetAssociation.states.FAILED_METADATA log.exception("Exception occured while setting metdata") try: primary_data.set_peek() except Exception: log.exception("Exception occured while setting dataset peek")
[docs] def populate_collection_elements(self, collection, root_collection_builder, filenames, name=None, metadata_source_name=None, final_job_state='ok'): # TODO: allow configurable sorting. # <sort by="lexical" /> <!-- default --> # <sort by="reverse_lexical" /> # <sort regex="example.(\d+).fastq" by="1:numerical" /> # <sort regex="part_(\d+)_sample_([^_]+).fastq" by="2:lexical,1:numerical" /> if name is None: name = "unnamed output" if self.flush_per_n_datasets and self.flush_per_n_datasets > 0: for chunk in chunk_iterable(filenames.items(), size=self.flush_per_n_datasets): self._populate_elements(chunk=chunk, name=name, root_collection_builder=root_collection_builder, metadata_source_name=metadata_source_name, final_job_state=final_job_state) if len(chunk) == self.flush_per_n_datasets: # In most cases we don't need to flush, that happens in the caller. # Only flush here for saving memory. root_collection_builder.populate_partial() self.flush() else: self._populate_elements(chunk=filenames.items(), name=name, root_collection_builder=root_collection_builder, metadata_source_name=metadata_source_name, final_job_state=final_job_state)
def _populate_elements(self, chunk, name, root_collection_builder, metadata_source_name, final_job_state): element_datasets: Dict[str, List[Any]] = {'element_identifiers': [], 'datasets': [], 'tag_lists': [], 'paths': [], 'extra_files': []} for filename, discovered_file in chunk: create_dataset_timer = ExecutionTimer() fields_match = discovered_file.match if not fields_match: raise Exception(f"Problem parsing metadata fields for file {filename}") element_identifiers = fields_match.element_identifiers designation = fields_match.designation visible = fields_match.visible ext = fields_match.ext dbkey = fields_match.dbkey extra_files = fields_match.extra_files # galaxy.tools.parser.output_collection_def.INPUT_DBKEY_TOKEN if dbkey == "__input__": dbkey = self.input_dbkey # Create new primary dataset dataset_name = fields_match.name or designation link_data = discovered_file.match.link_data sources = discovered_file.match.sources hashes = discovered_file.match.hashes created_from_basename = discovered_file.match.created_from_basename dataset = self.create_dataset( ext=ext, designation=designation, visible=visible, dbkey=dbkey, name=dataset_name, metadata_source_name=metadata_source_name, link_data=link_data, sources=sources, hashes=hashes, created_from_basename=created_from_basename, final_job_state=final_job_state, ) log.debug( "(%s) Created dynamic collection dataset for path [%s] with element identifier [%s] for output [%s] %s", self.job_id(), filename, designation, name, create_dataset_timer, ) element_datasets['element_identifiers'].append(element_identifiers) element_datasets['extra_files'].append(extra_files) element_datasets['datasets'].append(dataset) element_datasets['tag_lists'].append(discovered_file.match.tag_list) element_datasets['paths'].append(filename) self.add_tags_to_datasets(datasets=element_datasets['datasets'], tag_lists=element_datasets['tag_lists']) for (element_identifiers, dataset) in zip(element_datasets['element_identifiers'], element_datasets['datasets']): current_builder = root_collection_builder for element_identifier in element_identifiers[:-1]: current_builder = current_builder.get_level(element_identifier) current_builder.add_dataset(element_identifiers[-1], dataset) # Associate new dataset with job element_identifier_str = ":".join(element_identifiers) association_name = f'__new_primary_file_{name}|{element_identifier_str}__' self.add_output_dataset_association(association_name, dataset) add_datasets_timer = ExecutionTimer() self.add_datasets_to_history(element_datasets['datasets']) self.update_object_store_with_datasets(datasets=element_datasets['datasets'], paths=element_datasets['paths'], extra_files=element_datasets['extra_files']) log.debug( "(%s) Add dynamic collection datasets to history for output [%s] %s", self.job_id(), name, add_datasets_timer, ) self.set_datasets_metadata(datasets=element_datasets['datasets'])
[docs] def add_tags_to_datasets(self, datasets, tag_lists): if any(tag_lists): for dataset, tags in zip(datasets, tag_lists): self.tag_handler.add_tags_from_list(self.user, dataset, tags, flush=False)
[docs] def update_object_store_with_datasets(self, datasets, paths, extra_files): for dataset, path, extra_file in zip(datasets, paths, extra_files): self.object_store.update_from_file(dataset.dataset, file_name=path, create=True) if extra_file: persist_extra_files(self.object_store, extra_files, dataset) dataset.set_size() else: dataset.set_size(no_extra_files=True)
@abc.abstractproperty def tag_handler(self): """Return a galaxy.model.tags.TagHandler-like object for persisting tags.""" @abc.abstractproperty def user(self): """If bound to a database, return the user the datasets should be created for. Return None otherwise. """ @abc.abstractproperty def sa_session(self) -> Optional[ScopedSession]: """If bound to a database, return the SQL Alchemy session. Return None otherwise. """ @abc.abstractproperty def permission_provider(self) -> 'PermissionProvider': """If bound to a database, return the SQL Alchemy session. Return None otherwise. """
[docs] def get_implicit_collection_jobs_association_id(self) -> Optional[str]: """No-op, no job context.""" return None
@abc.abstractproperty def job(self) -> Optional[galaxy.model.Job]: """Return associated job object if bound to a job finish context connected to a database.""" @abc.abstractproperty def metadata_source_provider(self) -> 'MetadataSourceProvider': """Return associated MetadataSourceProvider object.""" @abc.abstractproperty def object_store(self) -> ObjectStore: """Return object store to use for populating discovered dataset contents.""" @abc.abstractproperty def flush_per_n_datasets(self) -> Optional[int]: pass @property def input_dbkey(self) -> str: return '?'
[docs] @abc.abstractmethod def add_library_dataset_to_folder(self, library_folder, ld): """Add library dataset to persisted library folder."""
[docs] @abc.abstractmethod def create_library_folder(self, parent_folder, name, description): """Create a library folder ready from supplied attributes for supplied parent."""
[docs] @abc.abstractmethod def add_output_dataset_association(self, name, dataset): """If discovering outputs for a job, persist output dataset association."""
[docs] def add_datasets_to_history(self, datasets, for_output_dataset=None): """Add datasets to the history this context points at."""
[docs] def job_id(self): return ''
[docs] def persist_object(self, obj): """Add the target to the persistence layer."""
[docs] def persist_library_folder(self, library_folder): """Add library folder to sessionless export. Noop for session export."""
[docs] def flush(self): """If database bound, flush the persisted objects to ensure IDs."""
[docs] def increment_discovered_file_count(self): self.discovered_file_count += 1 if self.discovered_file_count > self.max_discovered_files: raise MaxDiscoveredFilesExceededError(f"Job generated more than maximum number ({self.max_discovered_files}) of output datasets")
[docs]class PermissionProvider(metaclass=abc.ABCMeta): """Interface for working with permissions while importing datasets with ModelPersistenceContext.""" @property def permissions(self): return UNSET
[docs] def set_default_hda_permissions(self, primary_data): return
[docs] @abc.abstractmethod def copy_dataset_permissions(self, init_from, primary_data): """Copy dataset permissions from supplied input dataset."""
[docs]class UnusedPermissionProvider(PermissionProvider):
[docs] def copy_dataset_permissions(self, init_from, primary_data): """Throws NotImplementedError. This should only be called as part of job output collection where there should be a session available to initialize this from. """ # TODO: what should this do in the sessionless context? return
[docs]class MetadataSourceProvider(metaclass=abc.ABCMeta): """Interface for working with fetching input dataset metadata with ModelPersistenceContext."""
[docs] @abc.abstractmethod def get_metadata_source(self, input_name): """Get metadata for supplied input_name."""
[docs]class UnusedMetadataSourceProvider(MetadataSourceProvider):
[docs] def get_metadata_source(self, input_name): """Throws NotImplementedError. This should only be called as part of job output collection where one can actually collect metadata from inputs, this is unused in the context of SessionlessModelPersistenceContext. """ raise NotImplementedError()
[docs]class SessionlessModelPersistenceContext(ModelPersistenceContext): """A variant of ModelPersistenceContext that persists to an export store instead of database directly."""
[docs] def __init__(self, object_store, export_store, working_directory): self._permission_provider = UnusedPermissionProvider() self._metadata_source_provider = UnusedMetadataSourceProvider() self._object_store = object_store self.export_store = export_store self._flush_per_n_datasets = None self.discovered_file_count = 0 self.max_discovered_files = float('inf') self.job_working_directory = working_directory # TODO: rename...
@property def tag_handler(self): return GalaxySessionlessTagHandler(self.sa_session) @property def sa_session(self): return None @property def user(self): return None @property def job(self): return None @property def permission_provider(self) -> UnusedPermissionProvider: return self._permission_provider @property def metadata_source_provider(self) -> UnusedMetadataSourceProvider: return self._metadata_source_provider @property def object_store(self) -> ObjectStore: return self._object_store @property def flush_per_n_datasets(self) -> Optional[int]: return self._flush_per_n_datasets
[docs] def add_tags_to_datasets(self, datasets, tag_lists): user = galaxy.model.User() if any(tag_lists): for dataset, tags in zip(datasets, tag_lists): self.tag_handler.add_tags_from_list(user, dataset, tags, flush=False)
[docs] def add_library_dataset_to_folder(self, library_folder, ld): library_folder.datasets.append(ld) ld.order_id = library_folder.item_count library_folder.item_count += 1
[docs] def get_library_folder(self, destination): folder = galaxy.model.LibraryFolder() folder.id = destination.get("library_folder_id") return folder
[docs] def get_hdca(self, object_id): raise NotImplementedError()
[docs] def create_hdca(self, name, structure): collection = galaxy.model.DatasetCollection(collection_type=structure.collection_type_description.collection_type, populated=False) return galaxy.model.HistoryDatasetCollectionAssociation(name=name, collection=collection)
[docs] def create_library_folder(self, parent_folder, name, description): nested_folder = galaxy.model.LibraryFolder(name=name, description=description, order_id=parent_folder.item_count) parent_folder.item_count += 1 parent_folder.folders.append(nested_folder) return nested_folder
[docs] def persist_library_folder(self, library_folder): self.export_store.export_library(library_folder)
[docs] def add_datasets_to_history(self, datasets, for_output_dataset=None): # Consider copying these datasets to for_output_dataset copied histories # somehow. Not sure it is worth the effort/complexity? for dataset in datasets: self.export_store.add_dataset(dataset)
[docs] def persist_object(self, obj): """No-op right now for the sessionless variant of this. This works currently because either things are added to a target history with add_datasets_to_history or the parent LibraryFolder was added to the export store in persist_target_to_export_store. """
[docs] def flush(self): """No-op for the sessionless variant of this, no database to flush."""
[docs] def add_output_dataset_association(self, name, dataset): """No-op, no job context to persist this association for."""
[docs] def get_implicit_collection_jobs_association_id(self): """No-op, no job context."""
[docs]def persist_extra_files(object_store, src_extra_files_path, primary_data): if src_extra_files_path and os.path.exists(src_extra_files_path): primary_data.dataset.create_extra_files_path() target_extra_files_path = primary_data.extra_files_path for root, _dirs, files in os.walk(src_extra_files_path): extra_dir = os.path.join(target_extra_files_path, root.replace(src_extra_files_path, '', 1).lstrip(os.path.sep)) extra_dir = os.path.normpath(extra_dir) for f in files: object_store.update_from_file( primary_data.dataset, extra_dir=extra_dir, alt_name=f, file_name=os.path.join(root, f), create=True, preserve_symlinks=True )
[docs]def persist_target_to_export_store(target_dict, export_store, object_store, work_directory): replace_request_syntax_sugar(target_dict) model_persistence_context = SessionlessModelPersistenceContext(object_store, export_store, work_directory) assert "destination" in target_dict assert "elements" in target_dict destination = target_dict["destination"] elements = target_dict["elements"] assert "type" in destination destination_type = destination["type"] assert destination_type in ["library", "hdas", "hdca"] if destination_type == "library": name = get_required_item(destination, "name", "Must specify a library name") description = destination.get("description", "") synopsis = destination.get("synopsis", "") root_folder = galaxy.model.LibraryFolder(name=name, description='') library = galaxy.model.Library( name=name, description=description, synopsis=synopsis, root_folder=root_folder, ) persist_elements_to_folder(model_persistence_context, elements, root_folder) export_store.export_library(library) elif destination_type == "hdas": persist_hdas(elements, model_persistence_context) elif destination_type == "hdca": name = get_required_item(target_dict, "name", "Must specify a HDCA name") collection_type = get_required_item(target_dict, "collection_type", "Must specify an HDCA collection_type") collection = galaxy.model.DatasetCollection( collection_type=collection_type, ) hdca = galaxy.model.HistoryDatasetCollectionAssociation( name=name, collection=collection, ) persist_elements_to_hdca(model_persistence_context, elements, hdca) export_store.add_dataset_collection(hdca)
[docs]def persist_elements_to_hdca(model_persistence_context: Union['JobContext', 'SessionlessJobContext', SessionlessModelPersistenceContext], elements, hdca, collector=None): filenames = {} def add_to_discovered_files(elements, parent_identifiers=None): parent_identifiers = parent_identifiers or [] for element in elements: if "elements" in element: add_to_discovered_files(element["elements"], parent_identifiers + [element["name"]]) else: discovered_file = discovered_file_for_element(element, model_persistence_context, parent_identifiers, collector=collector) filenames[discovered_file.path] = discovered_file add_to_discovered_files(elements) collection = hdca.collection collection_builder = builder.BoundCollectionBuilder(collection) model_persistence_context.populate_collection_elements( collection, collection_builder, filenames, ) collection_builder.populate()
[docs]def persist_elements_to_folder(model_persistence_context, elements, library_folder): for element in elements: if "elements" in element: assert "name" in element name = element["name"] description = element.get("description") nested_folder = model_persistence_context.create_library_folder(library_folder, name, description) persist_elements_to_folder(model_persistence_context, element["elements"], nested_folder) else: discovered_file = discovered_file_for_element(element, model_persistence_context) fields_match = discovered_file.match designation = fields_match.designation visible = fields_match.visible ext = fields_match.ext dbkey = fields_match.dbkey info = element.get("info", None) link_data = discovered_file.match.link_data # Create new primary dataset name = fields_match.name or designation sources = fields_match.sources hashes = fields_match.hashes created_from_basename = fields_match.created_from_basename state = 'ok' if hasattr(discovered_file, "error_message"): info = discovered_file.error_message state = "error" model_persistence_context.create_dataset( ext=ext, designation=designation, visible=visible, dbkey=dbkey, name=name, filename=discovered_file.path, info=info, library_folder=library_folder, link_data=link_data, sources=sources, hashes=hashes, created_from_basename=created_from_basename, final_job_state=state, )
[docs]def persist_hdas(elements, model_persistence_context, final_job_state='ok'): # discover files as individual datasets for the target history datasets = [] storage_callbacks: List[Callable] = [] def collect_elements_for_history(elements): for element in elements: if "elements" in element: collect_elements_for_history(element["elements"]) else: discovered_file = discovered_file_for_element(element, model_persistence_context) fields_match = discovered_file.match designation = fields_match.designation ext = fields_match.ext dbkey = fields_match.dbkey info = element.get("info", None) tag_list = element.get("tags") link_data = discovered_file.match.link_data # Create new primary dataset name = fields_match.name or designation hda_id = discovered_file.match.object_id primary_dataset = None if hda_id: sa_session = model_persistence_context.sa_session or model_persistence_context.import_store.sa_session primary_dataset = sa_session.query(galaxy.model.HistoryDatasetAssociation).get(hda_id) sources = fields_match.sources hashes = fields_match.hashes created_from_basename = fields_match.created_from_basename extra_files = fields_match.extra_files state = final_job_state if hasattr(discovered_file, "error_message"): state = "error" info = discovered_file.error_message dataset = model_persistence_context.create_dataset( ext=ext, designation=designation, visible=True, dbkey=dbkey, name=name, filename=discovered_file.path, extra_files=extra_files, info=info, tag_list=tag_list, link_data=link_data, primary_data=primary_dataset, sources=sources, hashes=hashes, created_from_basename=created_from_basename, final_job_state=state, storage_callbacks=storage_callbacks, ) if not hda_id: datasets.append(dataset) collect_elements_for_history(elements) model_persistence_context.add_datasets_to_history(datasets) for callback in storage_callbacks: callback() def add_datasets_to_history(self, datasets, for_output_dataset=None): if for_output_dataset is not None: raise NotImplementedError() for dataset in datasets: self.export_store.add_dataset(dataset) def persist_object(self, obj): pass def flush(self): pass
[docs]def get_required_item(from_dict, key, message): if key not in from_dict: raise RequestParameterInvalidException(message) return from_dict[key]
[docs]def validate_and_normalize_target(obj): replace_request_syntax_sugar(obj)
[docs]def replace_request_syntax_sugar(obj): # For data libraries and hdas to make sense - allow items and items_from in place of elements # and elements_from. This is destructive and modifies the supplied request. if isinstance(obj, list): for el in obj: replace_request_syntax_sugar(el) elif isinstance(obj, dict): if "items" in obj: obj["elements"] = obj["items"] del obj["items"] if "items_from" in obj: obj["elements_from"] = obj["items_from"] del obj["items_from"] for value in obj.values(): replace_request_syntax_sugar(value) if "src" in obj or "filename" in obj: # item... new_hashes = [] for key in HASH_NAME_MAP.keys(): if key in obj: new_hashes.append({"hash_function": key, "hash_value": obj[key]}) del obj[key] if key.lower() in obj: new_hashes.append({"hash_function": key, "hash_value": obj[key.lower()]}) del obj[key.lower()] if "hashes" not in obj: obj["hashes"] = [] obj["hashes"].extend(new_hashes)
DiscoveredFile = namedtuple('DiscoveredFile', ['path', 'collector', 'match'])
[docs]def discovered_file_for_element(dataset, model_persistence_context: Union['JobContext', 'SessionlessJobContext', SessionlessModelPersistenceContext], parent_identifiers=None, collector=None): model_persistence_context.increment_discovered_file_count() parent_identifiers = parent_identifiers or [] target_directory = discover_target_directory(getattr(collector, "directory", None), model_persistence_context.job_working_directory) filename = dataset.get("filename") error_message = dataset.get("error_message") if error_message is None: # handle link_data_only here, verify filename is in directory if not linking... if not dataset.get("link_data_only"): path = os.path.join(target_directory, filename) if not util.in_directory(path, target_directory): raise Exception("Problem with tool configuration, attempting to pull in datasets from outside working directory.") else: path = filename return DiscoveredFile(path, collector, JsonCollectedDatasetMatch(dataset, collector, filename, path=path, parent_identifiers=parent_identifiers)) else: assert "error_message" in dataset return DiscoveredFileError(dataset['error_message'], collector, JsonCollectedDatasetMatch(dataset, collector, None, parent_identifiers=parent_identifiers))
[docs]def discover_target_directory(dir_name, job_working_directory): if dir_name: directory = os.path.join(job_working_directory, dir_name) if not util.in_directory(directory, job_working_directory): raise Exception("Problem with tool configuration, attempting to pull in datasets from outside working directory.") return directory else: return job_working_directory
[docs]class JsonCollectedDatasetMatch:
[docs] def __init__(self, as_dict, collector, filename, path=None, parent_identifiers=None): parent_identifiers = parent_identifiers or [] self.as_dict = as_dict self.collector = collector self.filename = filename self.path = path self._parent_identifiers = parent_identifiers
@property def designation(self): # If collecting nested collection, grab identifier_0, # identifier_1, etc... and join on : to build designation. element_identifiers = self.raw_element_identifiers if element_identifiers: return ":".join(element_identifiers) elif "designation" in self.as_dict: return self.as_dict.get("designation") elif "name" in self.as_dict: return self.as_dict.get("name") else: return None @property def element_identifiers(self): return self._parent_identifiers + (self.raw_element_identifiers or [self.designation]) @property def raw_element_identifiers(self): identifiers = [] i = 0 while True: key = "identifier_%d" % i if key in self.as_dict: identifiers.append(self.as_dict.get(key)) else: break i += 1 return identifiers @property def name(self): """ Return name or None if not defined by the discovery pattern. """ return self.as_dict.get("name") @property def dbkey(self): return self.as_dict.get("dbkey", getattr(self.collector, "default_dbkey", "?")) @property def ext(self): return self.as_dict.get("ext", getattr(self.collector, "default_ext", "data")) @property def visible(self): try: return self.as_dict["visible"].lower() == "visible" except KeyError: return getattr(self.collector, "default_visible", True) @property def link_data(self): return bool(self.as_dict.get("link_data_only", False)) @property def tag_list(self): return self.as_dict.get("tags", []) @property def object_id(self): return self.as_dict.get("object_id", None) @property def sources(self): return self.as_dict.get("sources", []) @property def hashes(self): return self.as_dict.get("hashes", []) @property def created_from_basename(self): return self.as_dict.get("created_from_basename") @property def extra_files(self): return self.as_dict.get("extra_files")
[docs]class RegexCollectedDatasetMatch(JsonCollectedDatasetMatch):
[docs] def __init__(self, re_match, collector, filename, path=None): super().__init__( re_match.groupdict(), collector, filename, path=path )
[docs]class DiscoveredFileError(NamedTuple): error_message: str collector: Any # TODO: setup interface for this match: JsonCollectedDatasetMatch path: Optional[str] = None