def move(): # *4.4 выбрать автомобиль по номеру и переместить в другие координаты
data, is_empty = db.load_from_pickle()
if is_empty == False:
s = input('Type sign of the car you want to move: ')
fl = 0
for i in range (len(data)):
if (data[i]['sign'] == s):
fl = 1
new_x = input('Enter new x coord of the car: ')
new_y = input('Enter new y coord of the car: ')
if (new_x.isdigit() == True) and (new_y.isdigit() == True):
flag = 0
for j in range (len(data)):
if (data[j]['x'] == new_x) and (data[j]['y'] == new_y):
flag = 1
if (flag == 0) or (new_x == '0' and new_y == '0'): # *4.5 система не позволяет поставить 2 автомобиля в одинаковые координаты, но в автобазе (0,0) могут стоять все машины
old_x = data[i]['x']
old_y = data[i]['y']
data[i]['x'] = new_x
data[i]['y'] = new_y
import math
dist = math.sqrt((int(new_x) - int(old_x))**2+(int(new_y) - int(old_y))**2) # *4.6 считаем расстояние, которое проехал автомобиль и прибавляем к дистанции
data[i]['d'] = str(int(data[i]['d'])+dist)
db.save_to_pickle(data)
else:
print("You can't move car here, the place is taken.")
else:
print('Error! Coordinates should contain only numbers.')
if fl == 0:
print('There is no such car in database')
def edit(): #4.3 редактирование
data, is_empty = db.load_from_pickle()
if is_empty == False:
s = input('Type sign of the car you want to edit: ')
fl = 0
for i in range (len(data)):
if (data[i]['sign'] == s):
fl = 1
k = input('If you want to change model of the car type 1, if power - type 2: ')
if k == '1':
new_m = input('Enter new model of the car: ')
if (new_m.isalpha() == True):
data[i]['model'] = new_m
db.save_to_pickle(data)
else:
print('Error! Model should contain only letters.')
elif k == '2':
new_p = input('Enter new power ot the car: ')
if (new_p.isdigit() == True):
data[i]['power'] = new_p
db.save_to_pickle(data)
else:
print('Error! Power should contain only numbers.')
else:
debug.incorrect_operation()
if fl == 0:
print('There is no such car in database')
def out_cars(): #напечатать содержимое базы данных
data,is_empty = db.load_from_pickle()
if is_empty == False:
data_sorted = data[:]
data_sorted.sort(key=lambda i:i['model'])
for i in range (len(data_sorted)): # выводим автомобили по алфавиту
print(data_sorted[i]['model'],data_sorted[i]['power'],data_sorted[i]['sign'],data_sorted[i]['x'],data_sorted[i]['y'],data_sorted[i]['d'])
def search_m(): #поиск по названию
data, is_empty = db.load_from_pickle()
if is_empty == False:
fl = input('If you want to find cars with model containing certain string type 1, if you want to search by the whole name of the model type 2: ')
if fl == '1':
search_str_in_m(data)
elif fl == '2':
search_model(data)
else:
debug.incorrect_operation()
def delete(): #4.3 удалить машину из БД
data, is_empty = db.load_from_pickle()
if is_empty == False:
s = input('Type sign of the car you want to delete: ')
fl = 0
data_pop = []
for i in range (len(data)):
if (data[i]['sign'] == s):
fl = 1
data_pop = data.pop(i)
db.save_to_pickle(data)
if fl == 0:
print('There is no such car in database')
def search_p(): #поиск по мощности
data, is_empty = db.load_from_pickle()
if is_empty == False:
max_power, min_power = search_max_min_p(data)
fl = input('If you want to find cars with power more than certain number print 1, less - print 2 and if you want to find cars with power between two numbers print 3: ')
if fl == '1':
search_more_p(data,max_power)
elif fl == '2':
search_less_p(data,min_power)
elif fl == '3':
search_middle_p(data,min_power,max_power)
else:
debug.incorrect_operation()
def insert_cars(): #ввести данные в базу данных
data, is_empty = db.load_from_pickle()
model = input('Enter model of the car: ')
power = input('Enter power ot the car: ')
sign = input('Enter sign of the car: ') # * 4.4 - добавляем номерной знак и координаты относительно автобазы
coord_x = input('Enter coord x ot the car: ')
coord_y = input('Enter coord y ot the car: ')
if (model.isalpha() == True) and (power.isdigit() == True) and (coord_x.isdigit() == True) and (coord_y.isdigit() == True):
import math
cars = {}
cars['model'] = model
cars['power'] = power
cars['sign'] = sign
cars['x'] = coord_x
cars['y'] = coord_y
cars['d'] = math.sqrt(int(coord_x)**2+int(coord_y)**2) # начальная дистанция - расстояние до автобазы
data.append(cars)
db.save_to_pickle(data)
else:
print('Error! Model should contain only letters; power, coordinats should contain only numbers and sign should contain only numbers and letters.')
