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""" |
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Module containing mapping functions used by Atramhasis. |
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""" |
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from skosprovider_sqlalchemy.models import Collection |
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from skosprovider_sqlalchemy.models import Concept |
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from skosprovider_sqlalchemy.models import ConceptScheme |
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from skosprovider_sqlalchemy.models import Label |
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from skosprovider_sqlalchemy.models import Match |
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from skosprovider_sqlalchemy.models import Note |
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from skosprovider_sqlalchemy.models import Source |
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from skosprovider_sqlalchemy.providers import SQLAlchemyProvider |
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from sqlalchemy.exc import NoResultFound |
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from atramhasis.data.models import ExpandStrategy |
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from atramhasis.data.models import IDGenerationStrategy |
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from atramhasis.data.models import Provider |
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def is_html(value): |
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""" |
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Check if a value has html inside. Only tags checked <strong> <em> <a>. |
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:param value: a string |
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:return: a boolean (True, HTML present | False, no HTML present) |
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""" |
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tag_list = ['<strong>', '<em>', '<a>', '</strong>', '</em>', '</a>', '<a'] |
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return any(tag in value for tag in tag_list) |
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def map_concept(concept, concept_json, skos_manager): |
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""" |
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Map a concept from json to the database. |
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:param skosprovider_sqlalchemy.models.Thing concept: A concept or |
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collection as known to the database. |
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:param dict concept_json: A dict representing the json sent to our REST |
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service. |
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:param skos_manager: A skos_manager to acces db operations |
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:returns: The :class:`skosprovider_sqlalchemy.models.Thing` enhanced |
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with the information from the json object. |
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""" |
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concept_json_type = concept_json.get('type', None) |
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if concept.type != concept_json_type: |
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if concept_json_type == 'concept': |
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members = concept.members |
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concept = skos_manager.change_type( |
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concept, |
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concept.concept_id, |
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concept.conceptscheme_id, |
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concept_json_type, |
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concept.uri |
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) |
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for member in members: |
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if member.type == 'concept': |
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concept.narrower_concepts.add(member) |
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elif member.type == 'collection': |
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concept.narrower_collections.add(member) |
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elif concept_json_type == 'collection': |
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narrower_concepts = concept.narrower_concepts |
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narrower_collections = concept.narrower_collections |
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concept = skos_manager.change_type( |
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concept, |
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concept.concept_id, |
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concept.conceptscheme_id, |
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concept_json_type, |
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concept.uri |
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) |
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for narrower_concept in narrower_concepts: |
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concept.members.add(narrower_concept) |
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for narrower_collection in narrower_collections: |
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concept.members.add(narrower_collection) |
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elif concept_json_type == 'collection': |
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concept.members.clear() |
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elif concept_json_type == 'concept': |
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concept.narrower_collections.clear() |
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concept.narrower_concepts.clear() |
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if concept.type in ('concept', 'collection'): |
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concept.labels[:] = [] |
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labels = concept_json.get('labels', []) |
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for label in labels: |
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label = Label( |
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label=label.get('label', ''), |
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labeltype_id=label.get('type', ''), |
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language_id=label.get('language', ''), |
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) |
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concept.labels.append(label) |
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concept.notes[:] = [] |
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notes = concept_json.get('notes', []) |
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for n in notes: |
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note = Note(note=n.get('note', ''), notetype_id=n.get('type', ''), language_id=n.get('language', '')) |
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if is_html(note.note): |
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note.markup = 'HTML' |
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concept.notes.append(note) |
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concept.sources[:] = [] |
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sources = concept_json.get('sources', []) |
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for s in sources: |
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source = Source(citation=s.get('citation', '')) |
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if is_html(source.citation): |
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source.markup = 'HTML' |
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concept.sources.append(source) |
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concept.member_of.clear() |
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member_of = concept_json.get('member_of', []) |
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for memberof in member_of: |
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try: |
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memberof_collection = skos_manager.get_thing( |
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concept_id=memberof['id'], |
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conceptscheme_id=concept.conceptscheme_id) |
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except NoResultFound: |
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memberof_collection = Collection(concept_id=memberof['id'], conceptscheme_id=concept.conceptscheme_id) |
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concept.member_of.add(memberof_collection) |
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if concept.type == 'concept': |
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concept.related_concepts.clear() |
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related = concept_json.get('related', []) |
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for related in related: |
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try: |
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related_concept = skos_manager.get_thing( |
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concept_id=related['id'], |
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conceptscheme_id=concept.conceptscheme_id) |
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except NoResultFound: |
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related_concept = Concept(concept_id=related['id'], conceptscheme_id=concept.conceptscheme_id) |
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concept.related_concepts.add(related_concept) |
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concept.broader_concepts.clear() |
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broader = concept_json.get('broader', []) |
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for broader in broader: |
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try: |
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broader_concept = skos_manager.get_thing( |
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concept_id=broader['id'], |
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conceptscheme_id=concept.conceptscheme_id) |
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except NoResultFound: |
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broader_concept = Concept(concept_id=broader['id'], conceptscheme_id=concept.conceptscheme_id) |
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concept.broader_concepts.add(broader_concept) |
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narrower = concept_json.get('narrower', []) |
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for narrower in narrower: |
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try: |
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narrower_concept = skos_manager.get_thing( |
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concept_id=narrower['id'], |
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conceptscheme_id=concept.conceptscheme_id) |
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except NoResultFound: |
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narrower_concept = Concept(concept_id=narrower['id'], conceptscheme_id=concept.conceptscheme_id) |
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concept.narrower_concepts.add(narrower_concept) |
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matches = [] |
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matchdict = concept_json.get('matches', {}) |
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for match_type, uris in matchdict.items(): |
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db_type = match_type + "Match" |
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match_type = skos_manager.get_match_type(db_type) |
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for uri in uris: |
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concept_id = concept_json.get('id', -1) |
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try: |
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match = skos_manager.get_match(uri=uri, matchtype_id=match_type.name, |
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concept_id=concept_id) |
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except NoResultFound: |
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match = Match() |
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match.matchtype = match_type |
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match.uri = uri |
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matches.append(match) |
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concept.matches = matches |
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narrower_collections = concept_json.get('subordinate_arrays', []) |
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for narrower in narrower_collections: |
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try: |
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narrower_collection = skos_manager.get_thing( |
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concept_id=narrower['id'], |
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conceptscheme_id=concept.conceptscheme_id) |
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except NoResultFound: |
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narrower_collection = Collection(concept_id=narrower['id'], |
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conceptscheme_id=concept.conceptscheme_id) |
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concept.narrower_collections.add(narrower_collection) |
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if concept.type == 'collection': |
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members = concept_json.get('members', []) |
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for member in members: |
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try: |
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member_concept = skos_manager.get_thing( |
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concept_id=member['id'], |
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conceptscheme_id=concept.conceptscheme_id) |
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except NoResultFound: |
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member_concept = Concept(concept_id=member['id'], conceptscheme_id=concept.conceptscheme_id) |
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concept.members.add(member_concept) |
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concept.broader_concepts.clear() |
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broader_concepts = concept_json.get('superordinates', []) |
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for broader in broader_concepts: |
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try: |
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broader_concept = skos_manager.get_thing( |
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concept_id=broader['id'], |
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conceptscheme_id=concept.conceptscheme_id) |
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except NoResultFound: |
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broader_concept = Concept(concept_id=broader['id'], conceptscheme_id=concept.conceptscheme_id) |
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concept.broader_concepts.add(broader_concept) |
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if 'infer_concept_relations' in concept_json: |
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concept.infer_concept_relations = concept_json['infer_concept_relations'] |
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return concept |
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def map_conceptscheme(conceptscheme, conceptscheme_json): |
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""" |
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Map a conceptscheme from json to the database. |
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:param skosprovider_sqlalchemy.models.ConceptScheme conceptscheme: A conceptscheme as known to the database. |
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:param dict conceptscheme_json: A dict representing the json sent to our REST |
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service. |
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:returns: The :class:`skosprovider_sqlalchemy.models.ConceptScheme` enhanced |
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with the information from the json object. |
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""" |
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conceptscheme.labels[:] = [] |
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labels = conceptscheme_json.get('labels', []) |
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for label in labels: |
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label = Label( |
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label=label.get('label', ''), |
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labeltype_id=label.get('type', ''), |
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language_id=label.get('language', ''), |
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) |
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conceptscheme.labels.append(label) |
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conceptscheme.notes[:] = [] |
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notes = conceptscheme_json.get('notes', []) |
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for n in notes: |
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note = Note(note=n.get('note', ''), notetype_id=n.get('type', ''), language_id=n.get('language', '')) |
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conceptscheme.notes.append(note) |
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conceptscheme.sources[:] = [] |
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sources = conceptscheme_json.get('sources', []) |
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for s in sources: |
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source = Source(citation=s.get('citation', '')) |
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conceptscheme.sources.append(source) |
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return conceptscheme |
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def map_provider(provider_json: dict, provider: Provider = None) -> Provider: |
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""" |
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Create a atramhasis.data.models.Provider from json data. |
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An existing provider can optionally be passed. When passed this one will be updated. |
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:param provider_json: JSON data as a dict. |
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:param provider: A provider which will be updated with the JSON data. When None |
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a new Provider instance will be returned. |
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:return: A Provider set with data from the JSON. |
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""" |
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if provider is None: |
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# Only executed on creation. |
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provider = Provider() |
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provider.conceptscheme = ConceptScheme(uri=provider_json['conceptscheme_uri']) |
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provider.id = provider_json.get("id") |
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provider.meta = provider_json.get("metadata") or {} |
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provider.default_language = provider_json.get("default_language") |
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provider.force_display_language = provider_json.get("force_display_language") |
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provider.id_generation_strategy = IDGenerationStrategy[ |
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provider_json.get("id_generation_strategy") or 'NUMERIC' |
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] |
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provider.subject = provider_json.get("subject") or [] |
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provider.uri_pattern = provider_json["uri_pattern"] |
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provider.expand_strategy = ExpandStrategy[ |
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(provider_json.get("expand_strategy") or 'RECURSE').upper() |
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] |
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return provider |
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OnroerendErfgoed /
atramhasis
