python学习29——课后练习

# # 作业二：在昨天作业的基础之上
# # #    1、引入属性访问控制+property
# # #    2、引入继承与派生的概念来减少代码冗余
# #         注意：要满足什么"是"什么的关系，不满足"是"的关系不要去继承
# #

import pickle
import uuid


class School():
    school_name = 'OLDBOY'

    def __init__(self, name, addr):
        self.uid = uuid.uuid4()
        self.nickname = name
        self.addr = addr
        self.classes = []

    def related_class(self, class_obj):
        self.classes.append(class_obj.uid)

    def getinfo_class(self):
        print(self.nickname.center(60, '-'))
        for class_uid in self.classes:
            with open(f'{class_uid}.pkl', 'rb')as f:
                class_obj = pickle.load(f)
                class_obj.getinfo_course()

    @property
    def save(self):
        with open(f'{self.uid}.pkl', 'wb')as f:
            pickle.dump(self, f)
            return


class Class:
    def __init__(self, name):
        self.uid = uuid.uuid4()
        self.name = name
        self.course = None

    def related_course(self, course_obj):
        self.course = course_obj.uid


    def getinfo_course(self):
        print('%s' % self.name, end=" ")
        with open(f'{self.course}.pkl', 'rb')as f:
            course_obj = pickle.load(f)
            course_obj.getinfo_course()

    @property
    def save(self):
        with open(f'{self.uid}.pkl', 'wb')as f:
            pickle.dump(self, f)
            return


class Course:
    def __init__(self, name, period, price):
        self.uid = uuid.uuid4()
        self.name = name
        self.period = period
        self.price = price


    def getinfo_course(self):
        print(f'<课程名:{self.name} 周期:{self.period} 价钱:{self.price}>')

    @property
    def save(self):
        with open(f'{self.uid}.pkl', 'wb')as f:
            pickle.dump(self, f)
            return


class People:
    school_name = 'OldBoy'
    def __init__(self, school, name, age, gender):
        self.uid = uuid.uuid4()
        self.school = school
        self.name = name
        self.age = age
        self.gender = gender


class Student(People):
    #      学生的学校
    #      学生的姓名
    #      学生的年龄
    #      学号
    #      学生的性别
    def __init__(self,number):
        super().__init__()
        self.uid = uuid.uuid4()
        self.number = number

    @property
    def getinfo_student(self):
        print(f'<学生信息: 校区：{self.school}，名字：{self.name}，年龄：{self.age}，学号：{self.number}，性别：{self.gender}>')
        return

    def choose(self, course_obj):
        self.course = course_obj.uid

    @property
    def save(self):
        with open(f'{self.uid}.pkl', 'wb')as f:
            pickle.dump(self, f)
            return

class Teacher(People):
    def __init__(self,level):
        super().__init__()
        self.uid = uuid.uuid4()
        self.__level = level

    @property
    def level(self):
        return self.__level

    def give_rate(self,student_name,rate):
        print(f'{student_name}得分:{rate}')

    @property
    def save(self):
        with open(f'{self.uid}.pkl', 'wb')as f:
            pickle.dump(self, f)
            return 

 school_obj1 = School('上海校区', '虹桥')
# school_obj2 = School('北京校区', '北京某地')
# class_obj1 = Class('脱产14期')
# class_obj2 = Class('脱产29期')
# course_obj1 = Course('python全栈', '6mons', '20000')
# course_obj2 = Course('linux运维', '5mons', '18000')
# student_obj1 = Student('上海校区', '西楼', '24', '007', '男')
# student_obj2 = Student('北京校区', '黑人', '18', '666', '男')