Урок 8

orgsklad.py

@@ -0,0 +1,73 @@
+# Склад оргтехники
+class Sklad:
+    contain = {}
+    last_id = 0
+    data = []
+
+    @staticmethod
+    def dep_validate(depart):
+        try:
+            return bool(str(depart))
+        except ValueError:
+            return False
+
+    @staticmethod
+    def org_validate(org_technic):
+        try:
+            return isinstance(org_technic, Org)
+        except ValueError:
+            return False
+
+    @classmethod
+    def add_tehnic(cls, org_technic, depart):
+        if cls.org_validate(org_technic) and cls.dep_validate(depart):
+            print(org_technic.type)
+            now_count = cls.contain.get(org_technic.type)
+            if not now_count:
+                now_count = 0
+            cls.contain[org_technic.type] = now_count + 1
+            new_row = org_technic.__dict__
+            new_row['id'] = cls.last_id = cls.last_id + 1
+            new_row['department'] = depart
+
+            cls.data.append(new_row)
+
+
+class Org:
+    def __init__(self, power, color, model):
+        self.type = self.__class__.__name__
+        self.power = power
+        self.color = color
+        self.model = model
+
+    def __str__(self):
+        dictinary = self.__dict__
+        dictinary['class'] = self.__class__.__name__
+        return str(self.__dict__)
+            # printable_list[param] = self[param]
+
+
+class Printer(Org):
+    def __init__(self, *args, speed):
+        Org.__init__(self, *args)
+        self.print_speed = speed
+
+
+class Scanner(Org):
+    def __init__(self, *args, speed):
+        Org.__init__(self, *args)
+        self.scan_speed = speed
+
+
+class Xerox(Org):
+    def __init__(self, *args, speed):
+        Org.__init__(self, *args)
+        self.copy_speed = speed
+
+
+org1 = Printer(100, 'green', 'hp-100', speed=100)
+print(org1)
+Sklad.add_tehnic(org1, 'otdel1')
+Sklad.add_tehnic(org1, 'otdel2')
+print(Sklad.contain)
+print(Sklad.data)

task1.py

@@ -0,0 +1,32 @@
+from datetime import datetime
+
+class Date:
+
+    def __init__(self, date):
+        if not Date.validate(date):
+            print("Неверный формат даты, должен быть 'день-месяц-год'")
+            exit(0)
+        self.date = date
+        print('объект создан')
+
+    @classmethod
+    def to_int(cls, date):
+        if cls.validate(date):
+            return list(map(int, date.split('-')))
+        else:
+            print("Неверный формат даты, должен быть 'день-месяц-год'")
+            exit(0)
+
+    @staticmethod
+    def validate(date):
+        try:
+            return bool(datetime.strptime(date, '%d-%m-%Y'))
+        except ValueError:
+            return False
+
+
+# new_day = Date('31-05-2021')
+day, month, year = Date.to_int('32-05-2021')
+print(day, type(day))
+print(month, type(month))
+print(year, type(year))

task2.py

@@ -0,0 +1,16 @@
+class OwnZeroDivisionError(ZeroDivisionError):
+    def __init__(self, txt):
+        self.txt = txt
+
+try:
+    num1 = int(input('Делимое: '))
+    num2 = int(input('Делитель: '))
+    if num2 == 0:
+        raise OwnZeroDivisionError("Беконечно большое число!")
+    res = num1 / num2
+except OwnZeroDivisionError as err:
+    print(err)
+else:
+    print(f"Все хорошо. Результат - {res}")
+finally:
+    print("Программа завершена")

task3.py

@@ -0,0 +1,26 @@
+import re
+
+class NotIntError(ValueError):
+    def __init__(self, txt):
+        self.txt = txt
+
+
+my_list = []
+
+while True:
+    num = input('Введите число ("stop" - для выхода): ')
+    if num == 'stop':
+        break
+    if not num:
+        print('0')
+        num = '0'
+    try:
+        num_match = re.match(r'(\d*)', num).group()
+        if num_match != num:
+            raise NotIntError(f"'{num}' - не число.'")
+            continue
+        my_list.append(int(num))
+    except NotIntError as err:
+        print(err)
+
+print(my_list)

task7.py

@@ -0,0 +1,26 @@
+class ComplexNum:
+
+    def __init__(self, a, b, *args):
+        self.a = a
+        self.b = b
+        self.c = 'a + b * i'
+
+    def __add__(self, other):
+        print(f'c1 + c2 = ', end='')
+        return f' {self.a + other.a} + {self.b + other.b} * i'
+
+    def __mul__(self, other):
+        print(f'c1 * c2 = ', end='')
+        return f' {self.a * other.a - (self.b * other.b)} + {self.b * other.a} * i'
+
+    def __str__(self):
+        return f'c = {self.a} + {self.b} * i'
+
+
+c_1 = ComplexNum(1, -2)
+c_2 = ComplexNum(3, 4)
+
+print(c_1)
+print(c_2)
+print(c_1 + c_2)
+print(c_1 * c_2)