def load(graph: Graph, file_name: str):
graph.clear()
# получаем данные из файла
# vertexes, v_coordinates = LoadGraph.__split_file(file_name)
with open(file_name, 'r') as file:
data = json.load(file)
try:
graph.vertexes = data['vertexes']
except KeyError:
return False
# загружем данные о координатах или генерируем, если их нет
if 'coordinates' in data:
coordinates = data['coordinates']
for d in coordinates:
graph.vertexes_coordinates[d['name']] = Vertex(
d['name'], d['x'], d['y'])
else:
for v in graph.vertexes:
graph.vertexes_coordinates[v] = Vertex(
v, random.randint(0, 100), random.randint(0, 100))
if 'oriented' in data:
graph.oriented = data['oriented']
if 'weighted' in data:
graph.weighted = data['weighted']
if 'path' in data:
graph.path = data['path']
graph.update()
return True
def load_from_ribs_list(graph: Graph, file_name: str):
graph.clear()
with open(file_name, mode='r') as file:
for line in file:
name = ''
params = []
for index in line:
if index == '{':
value = ''
if index.isdigit():
value += index
if index == '(':
name = value
value = ''
if index == ',':
params.append(value)
value = ''
if index == ')':
params.append(value)
print(params, name)
value = ''
graph.add_vertex(params[1], random.randint(0, 100),
random.randint(0, 100))
graph.add_vertex(params[2], random.randint(0, 100),
random.randint(0, 100))
graph.add_edge(params[2], params[1], int(params[0]))
graph.oriented = bool(int(params[3]))
params = []
def load_from_arc_list(graph: Graph, file_name: str):
graph.clear()
with open(file_name, mode='r') as file:
for line in file:
name = ''
x = ''
for index in line:
if index == '{':
value = ''
if index.isdigit() or index == '.' or index == '-':
value += index
if index == ',':
x = value
value = ''
if index == '(':
name = value
value = ''
if index == ')':
graph.add_vertex(name, float(x), float(value))
value = ''
