def __get__(self, obj, objtype=None):
if obj is None:
return self
val = obj.value(self.predicate)
# if we got a 'none' return as is (don't convert to "None")
if val is None:
return val
if self.datatype is not None:
val = rdflib.Literal(val, datatype=self.datatype).toPython()
elif isinstance(val, rdflib.Literal):
val = val.toPython()
if self.normalize:
val = normalize_whitespace(val)
return val
def map_js(request):
"""Location data for places associated with the people connected to the
Belfast Group or mentioned in the digitized Group sheets on the site,
returned as JSON for use with :meth:`map`.
"""
places = find_places()
markers = []
for pl in places:
# lat/long should have been added in rdf data prep, but
# check just in case, because missing lat/long breaks the map
if not all([pl.latitude, pl.longitude]):
continue
tags = []
# if this place is mentioned in poems, add title/link to description
texts = ""
if pl.texts:
texts = "<p>Mentioned in %s.</p>" % (
"; ".join('<a href="%s">%s</a>' % (t.identifier, normalize_whitespace(t.name)) for t in pl.texts)
)
tags.append("text")
for t in pl.texts:
if t.author is not None:
tags.append(unicode(t.author.identifier))
people = ""
if pl.people:
people = "<p>Connected people: %s.</p>" % (
"; ".join(
'<a href="%s">%s</a>' % (p.identifier, p.fullname) if p.local_uri else p.fullname for p in pl.people
)
)
# possibly put specific slugs here for filtering
tags.append("people")
tags.extend([unicode(p.identifier) for p in pl.people if p.local_uri])
# if this place is not identifiably connected to a person or place
# in our data, skip it (for now at least)
if not people and not texts:
continue
# flag to indicate the type of icon that should be used on the map
if people and texts:
icon = "bio-text"
elif people:
icon = "bio"
else:
icon = "text"
info = {
"latitude": pl.latitude,
"longitude": pl.longitude,
"title": pl.name,
# text (html) content to be shown when clicking on a marker
"content": """<b>%s</b> %s %s""" % (pl.name, people, texts),
# properties to affect display
"tags": tags,
"icon": icon,
}
markers.append(info)
map_data = {"markers": markers}
return HttpResponse(json.dumps(map_data), content_type="application/json")
