def test_set_label(self):
lg = LabeledGraph()
lg.set_edge('v1', 'v2', 5)
lg.set_edge('v2', 'v3', 10)
self.assertEqual(5, lg.get_edge('v1', 'v2'))
self.assertEqual(10, lg.get_edge('v2', 'v3'))
def test_set_label(self):
lg = LabeledGraph()
lg.set_edge('v1', 'v2', 5)
lg.set_edge('v2', 'v3', 10)
self.assertEqual(5, lg.get_edge('v1', 'v2'))
self.assertEqual(10, lg.get_edge('v2', 'v3'))
def test_remove_vertex(self):
lg = LabeledGraph()
lg.set_edge('t1', 's1', 2)
lg.set_edge('t1', 's2', 3)
lg.remove_vertex('t1')
exp_vertexes = ['s1', 's2']
self.assertEqual(set(lg.vertexes()), set(exp_vertexes))
self.assertEqual(None, lg.get_edge('t1', 's1'))
self.assertEqual(None, lg.get_edge('t1', 's2'))
def test_remove_vertex(self):
lg = LabeledGraph()
lg.set_edge('t1', 's1', 2)
lg.set_edge('t1', 's2', 3)
lg.remove_vertex('t1')
exp_vertexes = ['s1', 's2']
self.assertEqual(set(lg.vertexes()), set(exp_vertexes))
self.assertEqual(None, lg.get_edge('t1', 's1'))
self.assertEqual(None, lg.get_edge('t1', 's2'))
class ExtendableMap:
"""
Map to save information about locations, their coordinates and lengths of paths between them.
"""
def __init__(self):
self.clear()
def clear(self):
self.links = LabeledGraph()
self.location_positions = {}
def add_location(self, location):
self.links.add_vertex(location)
def get_locations(self):
return self.links.vertexes()
def is_location(self, location):
return location in self.links.vertexes()
def get_locations_linked_to(self, location):
return self.links.get_successors(location)
def get_distance(self, from_location, to_location):
return self.links.get_edge(from_location, to_location)
def add_unidirectional_link(self, from_location, to_location, distance):
self.links.set_edge(from_location, to_location, distance)
def add_bidirectional_link(self, from_location, to_location, distance):
self.links.set_edge(from_location, to_location, distance)
self.links.set_edge(to_location, from_location, distance)
def remove_unidirectional_link(self, from_location, to_location):
self.links.remove_edge(from_location, to_location)
def remove_bidirectional_link(self, from_location, to_location):
self.links.remove_edge(from_location, to_location)
self.links.remove_edge(to_location, from_location)
def set_position(self, location, pos):
self.location_positions[location] = pos
def get_position(self, location):
return self.location_positions[location]
def set_dist_and_dir_to_ref_location(self, location, dist, dir):
coordinates = Point2D(-sin(dir * math.pi / 180) * dist, cos(dir * math.pi / 180) * dist)
self.links.add_vertex(location)
self.location_positions[location] = coordinates
class ExtendableMap:
"""
Map to save information about locations, their coordinates and lengths of paths between them.
"""
def __init__(self):
self.clear()
def clear(self):
self.links = LabeledGraph()
self.location_positions = {}
def add_location(self, location):
self.links.add_vertex(location)
def get_locations(self):
return self.links.vertexes()
def is_location(self, location):
return location in self.links.vertexes()
def get_locations_linked_to(self, location):
return self.links.get_successors(location)
def get_distance(self, from_location, to_location):
return self.links.get_edge(from_location, to_location)
def add_unidirectional_link(self, from_location, to_location, distance):
self.links.set_edge(from_location, to_location, distance)
def add_bidirectional_link(self, from_location, to_location, distance):
self.links.set_edge(from_location, to_location, distance)
self.links.set_edge(to_location, from_location, distance)
def remove_unidirectional_link(self, from_location, to_location):
self.links.remove_edge(from_location, to_location)
def remove_bidirectional_link(self, from_location, to_location):
self.links.remove_edge(from_location, to_location)
self.links.remove_edge(to_location, from_location)
def set_position(self, location, pos):
self.location_positions[location] = pos
def get_position(self, location):
return self.location_positions[location]
def set_dist_and_dir_to_ref_location(self, location, dist, dir):
coordinates = Point2D(-sin(dir * math.pi / 180) * dist,
cos(dir * math.pi / 180) * dist)
self.links.add_vertex(location)
self.location_positions[location] = coordinates