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 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 search_op_dict(): #4.2 поиск операции в словаре и запуск функции по ключу словаря operation = debug.inter_operation() funcs = {'insert': insert_cars, 'out': out_cars, 'search power': search_p, 'search model': search_m, 'edit car': edit, 'delete car': delete, 'move car': move} keys = list(funcs.keys()) fl = 0 for i in keys: i = str(i) if i == operation: fl = 1 funcs[i]() if fl == 0: debug.incorrect_operation()
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()