def rdfxml_to_html(self, graph, query, title="", is_test=False):
"""Convert RDF data to XML
@param graph The RDFlib graph object
@param title The page header to show (optional)
"""
elem = from_model(graph, query)
renderer = pystache.Renderer(search_dirs=resolve("html/"))
data_html = renderer.render_name("rdf2html", elem)
return self.render_html(title, data_html, is_test)
def search(self, start_response, query, prop, offset):
limit = 20
start_response(
'200 OK', [('Content-type', 'text/html; charset=utf-8')])
results = self.backend.search(query, prop, offset, limit)
prev = max(0, offset - limit)
nxt = offset + limit
pages = "%d - %d" % (offset + 1, offset + min(limit, len(results)))
if offset == 0:
has_prev = " disabled"
else:
has_prev = ""
if len(results) <= limit:
has_next = " disabled"
else:
has_next = ""
qs = "&query=" + quote_plus(query)
if prop:
qs = "&property=" + quote_plus(prop)
results2 = [{
"title": r["label"],
"link": r["link"],
"model": from_model(
self.backend.summarize(r["id"]),
BASE_NAME + r["id"])}
for r in results]
page = pystache.render(
open(resolve('html/search.html')).read(),
{'results': results2[:limit],
'context': CONTEXT,
'prev': prev,
'has_prev': has_prev,
'next': nxt,
'has_next': has_next,
'pages': pages,
'query': qs})
return [self.render_html(DISPLAY_NAME, page).encode('utf-8')]
def list_resources(self, start_response, offset, prop, obj, obj_offset):
"""Build the list resources page
@param start_response The response object
@param offset The offset to show from
"""
limit = 20
has_more, results = self.backend.list_resources(
offset, limit, prop, obj)
template = open(resolve("html/list.html")).read()
if offset > 0:
has_prev = ""
else:
has_prev = "disabled"
prev = max(offset - limit, 0)
if has_more:
has_next = ""
else:
has_next = "disabled"
nxt = offset + limit
pages = "%d - %d" % (offset + 1, offset + min(limit, len(results)))
facets = []
for facet in FACETS:
if "list" not in facet or facet["list"] is True:
facet['uri_enc'] = quote_plus(facet['uri'])
if ("<%s>" % facet['uri']) != prop:
facets.append(facet)
else:
facet = copy(facet)
mv, val_results = self.backend.list_values(obj_offset, 20,
prop)
facet['values'] = [{
'prop_uri': facet['uri_enc'],
'value_enc': quote_plus(v['link']),
'value': v['label'][:100],
'count': v['count'],
'offset': obj_offset} for v in val_results]
if mv:
facet['more_values'] = obj_offset + 20
facets.append(facet)
start_response(
'200 OK', [('Content-type', 'text/html; charset=utf-8')])
query = ""
if prop:
query += "&prop=" + quote_plus(prop[1:-1])
if obj:
query += "&obj=" + quote_plus(obj)
if obj_offset:
query += "&obj_offset=" + obj_offset
results2 = [{
"title": r["label"],
"link": r["link"],
"model": from_model(
self.backend.summarize(r["id"]),
BASE_NAME + r["id"])}
for r in results]
mres = pystache.render(template, {
'facets': facets,
'results': results2,
'has_prev': has_prev,
'prev': prev,
'has_next': has_next,
'next': nxt,
'pages': pages,
'query': query,
'context': CONTEXT})
return [self.render_html(DISPLAY_NAME, mres).encode('utf-8')]
