def view_list(request):
"""View the list of all personas"""
graph.update_if_needed()
if len(graph) == 0:
return render_to_response('geneaprove/firsttime.html',
context_instance=RequestContext(request))
styles = Styles(style_rules, graph=graph, decujus=1) # ??? Why "1"
all = extended_personas(nodes=None,
styles=styles,
event_types=event_types_for_pedigree,
graph=graph,
as_css=True)
all = [p for p in all.itervalues()]
all.sort(key=lambda x: x.surname)
all = [{
'surname': p.surname,
'given_name': p.given_name,
'birth': p.birth,
'death': p.death,
'marriage': p.marriage
} for p in all]
data = {
'persons': all,
}
return HttpResponse(to_json(data), content_type='application/json')
def __get_json_sosa_tree(graph, id, max_levels, style_rules,
last_descendant_known=-1,
maxdepthDescendants=1, last_gen_known=-1):
"""
:param last_gen_known: is the number of the last generation for which the
client already has data, and thus do not need to be sent again. -1
to retrieve all.
:param maxdepthDescendants:
The number of generations for which we compute the children.
"""
decujus = graph.node_from_id(id)
styles = Styles(style_rules, graph, decujus=decujus.main_id)
distance = dict()
ancestors = graph.people_in_tree(
id=decujus.main_id, maxdepthAncestors=max_levels - 1,
maxdepthDescendants=0, distance=distance)
ancestors = [a for a in ancestors if distance[a] >= last_gen_known]
descendants = graph.people_in_tree(
id=decujus.main_id, maxdepthAncestors=0,
distance=distance, maxdepthDescendants=maxdepthDescendants)
descendants = [
a for a in descendants
if a != decujus and distance[a] >= last_descendant_known]
sosa_tree = dict()
marriage = dict()
children = {}
persons = {}
all_person_nodes = set(ancestors).union(descendants)
if all_person_nodes:
persons = extended_personas(
all_person_nodes, styles,
event_types=event_types_for_pedigree, graph=graph)
def add_parents(p):
p.generation = distance[graph.node_from_id(p.id)]
if p.generation >= max_levels:
return
fathers = graph.fathers(p.id)
mothers = graph.mothers(p.id)
p.parents = [
None if not fathers else persons.get(fathers[0].main_id, None),
None if not mothers else persons.get(mothers[0].main_id, None)]
for pa in p.parents:
if pa:
add_parents(pa)
def add_children(p, gen):
p.children = []
sorted = [(persons[node.main_id] if node.main_id in persons else None,
node)
for node in graph.children(p.id)]
sorted.sort(
key=lambda c: c[0].birth.Date if c[0] and c[0].birth else None)
for c in sorted:
if c[0]:
c[0].generation = -gen # distance[c[1]]
p.children.append(c[0])
if gen < maxdepthDescendants:
add_children(c[0], gen + 1)
main = persons[decujus.main_id]
add_parents(main)
add_children(main, gen=1)
# We will however return a simpler version of the information computed
# above (which includes all known events for the persons)
show_age = False
def person_to_json_for_pedigree(obj):
if isinstance(obj, models.Persona):
d = obj.death
if show_age and obj.birth:
if d:
if d.Date:
d.Date += " (age %s)" % (
str(d.Date.years_since(obj.birth.Date)), )
else:
d = {Date: " (age %s)" % (
str(DateRange.today().years_since(obj.birth.Date)), )}
return {
'id': obj.id,
'givn': obj.given_name,
'surn': obj.surname,
'sex': obj.sex,
'generation': obj.generation,
'parents': obj.parents if hasattr(obj, 'parents') else None,
'children': obj.children if hasattr(obj, 'children') else None,
'style': obj.styles,
'birth': obj.birth,
'marriage': obj.marriage,
'death': d}
return to_json(
obj= {'generations': max_levels,
'descendants': maxdepthDescendants,
'decujus': main,
'styles': styles.all_styles()},
custom=person_to_json_for_pedigree)
