def render(self, context):
row = self.row_variable.resolve(context)
resource = row[self.resource_column]
context['resource'] = resource.value
context['label'] = row.get(self.label_column, resource).value
if self.property_column:
context['property'] = abbreviate(row[self.property_column].value)
else:
try:
del context['property']
except KeyError:
pass
anchor = " <A title='{{resource}}' href='{{resource}}' {% if property %} rel='{{property}}' about='{{resource_uri}}' {% endif %} >{{label}}</A>"
span = """<SPAN
{% if property %}
property='{{property}}'
{% endif %}
>{{resource}}</SPAN>
"""
template = Template(anchor if resource.type =='uri' else span)
return template.render(context)
def read(self, request, file_hash):
sparql = """
SELECT DISTINCT ?predicate ?object ?range WHERE {
<%s> ?predicate ?object .
?predicate rdfs:range ?range .
}
ORDER BY ?p
""" % CLIP[file_hash]
proxy = get_sparql_proxy()
resource_data = proxy.query(sparql,output='ResultSet')
output = {}
for row in resource_data:
obj = abbreviate(row['object'].value) if row['object'].type =='uri' else row['object'].value
ran = abbreviate(row['range'].value)
pred = abbreviate(row['predicate'].value)
output[pred] = { 'value' : obj, 'type' : ran }
return output
def read(self, request, file_hash, predicate):
sparql = """
SELECT DISTINCT ?object ?object_prop ?object_range ?label ?object_value
WHERE {
<%s> %s ?object .
OPTIONAL {?object ?object_prop ?object_value }
OPTIONAL {?object_prop rdfs:range ?object_range }
OPTIONAL { ?object rdfs:label ?object_label }
}
ORDER BY ?p
""" % (CLIP[file_hash], predicate)
proxy = get_sparql_proxy()
resource_data = proxy.query(sparql,output='ResultSet')
output = []
aggregated = {}
for row in resource_data:
obj = row['object']
if obj.type == 'uri':
ran = abbreviate(row['object_range'].value)
prop = abbreviate(row['object_prop'].value)
obj_val = row['object_value']
value = abbreviate(obj_val.value) if obj_val.type == 'uri' else obj_val.value
try:
aggregated[obj.value][prop] = value
except KeyError:
aggregated[obj.value] = {}
aggregated[obj.value][prop] = value
else:
output.append(obj.value)
for (key, val) in aggregated.items():
output.append(val)
return output
