def __call__(self,
table: Table,
root: Person,
x0: int = 0,
y0: int = 0
) -> List[Union[PersonBox, SpouseLink, ParentChildLink]]:
# handle single person
spouse = table.get_spouse(root)
if spouse is None:
x = x0 + self.x_margin
y = y0 + self.y_margin
elements = [self.person_box_class(root, x, y)]
return elements
# get family members from the table
if root.gender == 'M':
parents = [root, spouse]
else:
parents = [spouse, root]
children = table.find_children(*parents)
children = sorted(children,
key=lambda p: (p.birth_order, p.id_))
elements = []
x = x0
# elements for children
for child in children:
elems = self(table, child, x0=x, y0=y0 + self.unit_h)
x = max([e.xmax for e in _get_person_boxes(elems)])
x += self.x_margin
elements += elems
child_elements = [e for e in _get_person_boxes(elements)
if e.person in children]
# elements for parents
center = (x0 + x) // 2
x = max(x0, center - self.unit_w)
x1 = x + self.x_margin
x2 = x + self.x_margin + self.unit_w
y = y0 + self.y_margin
elements.append(self.person_box_class(parents[0], x1, y))
elements.append(self.person_box_class(parents[1], x2, y))
# parent and child link
ym = y0 + self.person_box_class.height // 2
for child_elem in child_elements:
x1 = x + self.unit_w
y1 = ym
x2 = (child_elem.xmin + child_elem.xmax) // 2
y2 = child_elem.ymin
elements.append(self.parent_child_link_class(x1, y1, x2, y2))
# spouse link
elements.append(self.spouse_link_class(
x + self.unit_w - self.x_margin, ym,
x + self.unit_w + self.x_margin, ym))
return elements
def test_find_children(self):
father = Person(1, "Father")
mother = Person(2, "Mother")
child1 = Person(3, "Child1", father_id=1, mother_id=2)
child2 = Person(4, "Child2", father_id=1, mother_id=2)
table = Table([father, mother, child1, child2])
children = table.find_children(father, mother)
assert len(children) == 2
assert set(children) == {child1, child2}
def test_find_children_no_result(self):
person1 = Person(1, "Person1")
person2 = Person(2, "Person2")
table = Table([person1, person2])
children = table.find_children(person1, person2)
assert len(children) == 0