from redfootlib.rdf.const import LABEL, TYPE from redfootlib.rdf.objects import resource, literal from redfootlib.rdf.query.functors import filter, s, remove_duplicates from redfootlib.neighbour_manager import NEIGHBOUR, CONNECTED, YES, NO

Neighbours

Connected

for subject in self.app.rednode.neighbourhood.subjects_by_type(NEIGHBOUR, CONNECTED, YES): self._connected_row(subject)

Other Known

subjects = lambda (s, p, o): s self.app.rednode.neighbourhood.visit(remove_duplicates(filter(self._other_row, s(self.app.rednode.neighbourhood.not_exists, CONNECTED, YES)), subjects), (None, TYPE, NEIGHBOUR))
Add Neighbour
URI:
neighbour
neighbour self.status.get(neighbour, '') def __init__(self, app): super(Neighbours, self).__init__(app) self.status = {} def __getattr__(self, name): if name=="rednode": # default rednode to self.app.rednode self.set_rednode(self.app.rednode) return self.rednode else: raise AttributeError # TODO: does anything in generic/editor/viewer require a rednode # or just a TripleStoreIO def set_rednode(self, rednode): self.rednode = rednode def do_disconnect_neighbour(self, request, response): uri = request.get_parameter('uri') self.app.rednode.disconnect_from(uri) def do_connect_neighbour(self, request, response): uri = request.get_parameter('uri') try: self.app.rednode.connect_to(uri) self.status[uri] = None except Exception, msg: self.status[uri] = "%s: %s" % (msg.__class__.__name__, msg) def do_remove_neighbour(self, request, response): uri = request.get_parameter('uri') self.app.rednode.remove_triples(resource(uri), TYPE, NEIGHBOUR) self.app.rednode.remove_triples(resource(uri), CONNECTED, None) self.status[uri] = None def do_add_neighbour(self, request, response): uri = request.get_parameter('uri') from urlparse import urlparse, urlunparse from urllib import quote, quote_plus scheme, netloc, url, params, query, fragment = urlparse(uri) orig = uri url = quote(url, safe="/%") query = quote_plus(query, safe="=&") uri = urlunparse((scheme, netloc, url, params, query, fragment)) # TODO: check to see if uri has been further encoded by the # above and if so, added a warning message to that effect. if uri!=orig: self.status[uri] = "URI contained illegal characters. Encoded '%s' as '%s'" % (orig, uri) self.app.rednode.add(resource(uri), TYPE, NEIGHBOUR) self.app.rednode.add(resource(uri), CONNECTED, NO)