def _to_python(self, name, state):
entity = Entity.by_name(state.dataset, name)
if entity is None:
return name
if state.entity and entity.id == state.entity.id:
return name
raise Invalid('Entity already exists.', name, None)
def import_upload(dataset_name, id, account_id,
entity_col, alias_col):
dataset = Dataset.find(dataset_name)
account = Account.by_id(account_id)
metadata, row_set = parse_upload(dataset, id)
headers = detect_headers(row_set)
for row in row_set:
data = dict([(c.column, c.value) for c in row])
entity = data.pop(entity_col) if entity_col else None
alias = data.pop(alias_col) if alias_col else None
if alias_col and alias is not None and len(alias) and alias != entity:
d = {'name': alias, 'data': data}
alias_obj = Alias.lookup(dataset, d, account,
match_entity=False)
data = {}
if entity_col and entity is not None and len(entity):
d = {'name': entity, 'data': data}
entity_obj = Entity.by_name(dataset, entity)
if entity_obj is None:
entity_obj = Entity.create(dataset, d, account)
entity_obj.data = data
if alias_col and entity_col:
alias_obj.match(dataset, {'choice': entity_obj.id}, account)
db.session.commit()
flush_cache(dataset)
def _to_python(self, value, state):
if isinstance(value, dict):
value = value.get('id')
entity = Entity.by_id(value)
if entity is None:
entity = Entity.by_name(state.dataset, value)
if entity is None:
raise Invalid('Entity does not exist: %s' % value, value, None)
if entity == state.entity:
return None
if entity.dataset != state.dataset:
raise Invalid('Entity belongs to a different dataset.', value,
None)
return entity
def import_upload(upload_id, account_id, mapping):
upload = Upload.all().filter_by(id=upload_id).first()
account = Account.by_id(account_id)
mapped = mapping['columns'].values()
rows = [apply_mapping(r, mapping) for r in upload.tab.dict]
# put aliases second.
rows = sorted(rows, key=lambda r: 2 if r.get('canonical') else 1)
for i, row in enumerate(rows):
try:
entity = None
if row.get('id'):
entity = Entity.by_id(row.get('id'))
if entity is None:
entity = Entity.by_name(upload.dataset, row.get('name'))
if entity is None:
entity = Entity.create(upload.dataset, row, account)
# restore some defaults:
if entity.canonical_id and 'canonical' not in mapped:
row['canonical'] = entity.canonical_id
if entity.invalid and 'invalid' not in mapped:
row['invalid'] = entity.invalid
if entity.attributes:
attributes = entity.attributes.copy()
else:
attributes = {}
attributes.update(row['attributes'])
row['attributes'] = attributes
entity.update(row, account)
print(entity)
if i % 100 == 0:
db.session.commit()
logging.debug('Commit')
except Invalid as inv:
logging.warning('Exception during import: {}'.format(str(inv)))
db.session.commit()
logging.info('Import Completed')
def import_upload(upload_id, account_id, mapping):
upload = Upload.all().filter_by(id=upload_id).first()
account = Account.by_id(account_id)
mapped = mapping['columns'].values()
rows = [apply_mapping(r, mapping) for r in upload.tab.dict]
# put aliases second.
rows = sorted(rows, key=lambda r: 2 if r.get('canonical') else 1)
for i, row in enumerate(rows):
try:
entity = None
if row.get('id'):
entity = Entity.by_id(row.get('id'))
if entity is None:
entity = Entity.by_name(upload.dataset, row.get('name'))
if entity is None:
entity = Entity.create(upload.dataset, row, account)
# restore some defaults:
if entity.canonical_id and 'canonical' not in mapped:
row['canonical'] = entity.canonical_id
if entity.invalid and 'invalid' not in mapped:
row['invalid'] = entity.invalid
if entity.attributes:
attributes = entity.attributes.copy()
else:
attributes = {}
attributes.update(row['attributes'])
row['attributes'] = attributes
entity.update(row, account)
print entity
if i % 100 == 0:
print 'COMMIT'
db.session.commit()
except Invalid, inv:
# TODO: logging.
print inv
def import_upload(dataset_name, sig, account_id, entity_col, alias_col):
dataset = Dataset.find(dataset_name)
account = Account.by_id(account_id)
metadata, row_set = parse_upload(dataset, sig)
headers = detect_headers(row_set)
for row in row_set:
data = dict([(c.column, c.value) for c in row])
entity = data.pop(entity_col) if entity_col else None
alias = data.pop(alias_col) if alias_col else None
if alias_col and alias is not None and len(alias) and alias != entity:
d = {'name': alias, 'data': data}
alias_obj = Alias.lookup(dataset, d, account, match_entity=False)
data = {}
if entity_col and entity is not None and len(entity):
d = {'name': entity, 'data': data}
entity_obj = Entity.by_name(dataset, entity)
if entity_obj is None:
entity_obj = Entity.create(dataset, d, account)
entity_obj.data = data
if alias_col and entity_col:
alias_obj.match(dataset, {'choice': entity_obj.id}, account)
db.session.commit()
flush_cache()
def view_by_name(dataset):
dataset = Dataset.find(dataset)
entity = Entity.by_name(dataset, request.args.get('name'))
if entity is None:
raise NotFound("No such entity: %s" % request.args.get('name'))
return view(dataset.name, entity.id)
def by_name(dataset):
dataset = Dataset.find(dataset)
name = request.args.get('name')
entity = object_or_404(Entity.by_name(dataset, name))
return jsonify(entity)
def view_by_name(dataset):
dataset = Dataset.find(dataset)
entity = Entity.by_name(dataset, request.args.get('name'))
if entity is None:
raise NotFound("No such entity: %s" % request.args.get('name'))
return view(dataset.name, entity.id)
def by_name(dataset):
dataset = Dataset.find(dataset)
name = request.args.get('name')
entity = object_or_404(Entity.by_name(dataset, name))
return jsonify(entity)
