def _get_experiment_metadata(self, experiment, metadataPrefix):
return Metadata(
experiment, {
'_writeMetadata': oai_dc_writer,
'title': [experiment.title],
'description': [experiment.description],
})
def _get_experiment_metadata(self, experiment, metadataPrefix):
license_ = experiment.license or License.get_none_option_license()
# Access Rights statement
access_type = None
if experiment.public_access == Experiment.PUBLIC_ACCESS_METADATA:
access = "Only metadata is publicly available online." + \
" Requests for further access should be directed to a" + \
" listed data manager."
access_type = "restricted"
else:
access = "All data is publicly available online."
access_type = "open"
def get_related_info(ps):
psm = ParameterSetManager(ps)
parameter_names = ['type', 'identifier', 'title', 'notes']
try:
parameters = {
key: psm.get_param(key, True)
for key in parameter_names
}
parameters['id'] = ps.id
return parameters
except ExperimentParameter.DoesNotExist:
return dict() # drop Related_Info record with missing fields
ns = 'http://ands.org.au/standards/rif-cs/registryObjects#relatedInfo'
related_info = map(
get_related_info,
ExperimentParameterSet.objects.filter(experiment=experiment,
schema__namespace=ns))
def get_subject(ps, type_):
psm = ParameterSetManager(ps)
return {'text': psm.get_param('code', True), 'type': type_}
ns = 'http://purl.org/asc/1297.0/2008/for/'
subjects = [
get_subject(ps, 'anzsrc-for')
for ps in ExperimentParameterSet.objects.filter(
experiment=experiment, schema__namespace=ns)
]
collectors = experiment.experimentauthor_set.exclude(url='')
return Metadata(
experiment,
{
'_writeMetadata': self._get_experiment_writer_func(),
'id': experiment.id,
'title': experiment.title,
'description': experiment.description,
# Note: Property names are US-spelling, but RIF-CS is Australian
'licence_name': license_.name,
'licence_uri': license_.url,
'access': access,
'access_type': access_type,
'collectors': collectors,
'managers': experiment.get_owners(),
'related_info': related_info,
'subjects': subjects
})
def __call__(self, element):
map = {}
# create XPathEvaluator for this element
xpath_evaluator = etree.XPathEvaluator(element,
namespaces=self._namespaces)
e = xpath_evaluator.evaluate
# now extra field info according to xpath expr
for field_name, (field_type, expr) in self._fields.items():
if field_type == 'bytes':
value = str(e(expr))
elif field_type == 'bytesList':
value = [str(item) for item in e(expr)]
elif field_type == 'text':
# make sure we get back unicode strings instead
# of lxml.etree._ElementUnicodeResult objects.
value = unicode(e(expr))
elif field_type == 'textList':
# make sure we get back unicode strings instead
# of lxml.etree._ElementUnicodeResult objects.
value = [unicode(v) for v in e(expr)]
elif field_type == 'firstText':
value = e(expr)
if isinstance(value, list):
if len(value) > 0:
value = unicode(value[0])
else:
value = None
else:
value = unicode(value)
elif field_type == 'lxmlelement':
if expr is not None:
value = e(expr)
if isinstance(value, list):
if len(value) > 0:
value = value[0]
else:
value = None
else:
value = element
elif field_type == 'xmlstring':
value = e(expr)
if isinstance(value, list):
if len(value) > 0:
value = etree.tostring(value[0], encoding="UTF-8")
else:
value = None
else:
value = etree.tostring(value, encoding="UTF-8")
elif isinstance(field_type, MetadataReader):
value = e(expr)
if isinstance(value, list):
value = [field_type(v) for v in value]
else:
value = field_type(value)
else:
raise "Unknown field type: %s" % field_type
map[field_name] = value
return Metadata(map)
def _get_experiment_metadata(self, experiment, metadataPrefix):
return Metadata({
'_writeMetadata': lambda e, m: oai_dc_writer(e, m),
'title': [experiment.title],
'description': [experiment.description],
'identifier': [str(experiment.id)],
'creator': str(experiment.created_by.id)
})
def _get_user_metadata(self, user, metadataPrefix):
owns_experiments = Experiment.safe.owned_by_user_id(user.id)\
.exclude(public_access=Experiment.PUBLIC_ACCESS_NONE)
return Metadata({
'_writeMetadata': self._get_user_writer_func(),
'id': user.id,
'email': user.email,
'given_name': user.first_name,
'family_name': user.last_name,
'owns_experiments': owns_experiments,
})
