EX13_class_exemple.py

# -*- coding: utf-8 -*-
"""Class Exemple.ipynb

Automatically generated by Colaboratory.

Original file is located at
    https://colab.research.google.com/drive/1JT4iRV2I3dQLegcJzLBA0fCVSfBl1apJ
"""

from ast import If
class Employee:

  num_empl=0
  raise_amount= 1.25

  def __init__(self, first,last, pay):
    self.first= first
    self.last= last
    self.pay= pay
    self.email= first + '.' + last + '@company.com'
    Employee.num_empl+=1

  #regular methodes: pass the instances as first arguments
  @property
  def email(self):
    return '{}.{}@email.com'.format(self.first, self.last)

  @property
  def fullname(self):
    return '{} {}'.format(self.first, self.last)

  @fullname.setter
  def fullname(self, name):
    first, last= name.split(' ')
    self.first= first
    self.last= last

  def apply_raise(self):
    self.pay= int(self.pay + self.raise_amount)

  #pass the class as first argument
  @classmethod
  def set_raise_amt(cls, amount):
    cls.raise_amount= amount

  @classmethod
  def from_string(cls, emp_str):
    first, last, pay= emp_str.split('-')
    return cls(first, last, pay)

  @staticmethod
  def is_workday(day):
    if day.weekday()==5  or day.weekday()==6:
      return False
    return True

  def __repr__(self):
    return "Employee('{}', '{}','{}')".format(self.first, self.last, self.pay)

  def __str__(self):
    return "Employee('{}' - '{}'.format(self.fullname(), self.employee))"

  def __add__(self, other):
    return self.pay + other.pay

  def __len__(self):
    return len(self.fullname())

emp_1= Employee('Ahmed','loussci',30000)
emp_2= Employee('Ahmed','loui',60000)
print(emp_1 + emp_2)
print(len(emp_1))

emp_1.fullname= 'salim mass'
print(emp_1.first)

print(emp_1.pay)
print(emp_1.email)

print(emp_1.__dict__)

emp_1.fullname()
print(emp_1.pay)

emp_1.apply_raise()
print(emp_1.pay)

print(Employee.num_empl)

print(Employee.raise_amount)
print(emp_1.raise_amount)

emp_str_1= 'Salim-soud-10000'
new_emp= Employee.from_string(emp_str_1)
print('Gmail: {} and Pay: {}'.format(new_emp.email, new_emp.pay))

import datetime
my_date= datetime.date(2016, 7,11)
print(Employee.is_workday(my_date))

#inheretane & subclass

class Developer(Employee):
  #pass
  def __init__(self, first, last, pay, prog_lang):
    super().__init__(first, last, pay)
    self.prog_lang= prog_lang

class Manager(Employee):

  def __init__(self, first, last, pay, employees= None):
    super().__init__(first, last, pay)
    if employees is None:
      self.employees=[]
    else:
      self.employees= employees

  def add_emp(self, emp):
    if emp not in self.employees:
      self.employees.append(emp)

  def remove_emp(self, emp):
    if emp in self.employees:
      self.employees.remove(emp)

  def print_emp(self):
    for emp in self.employees:
      print('-->', emp.fullname())

dev_1= Developer("dima", 'lin', 13000, 'Python')
dev_2= Developer('sami', 'lonm' ,33000,'c#')
print(dev_1.email, dev_1.prog_lang)
print(dev_2.email, dev_2.prog_lang)

mang_1= Manager('sahim','ham',333333,[dev_1])
print(mang_1.email)

mang_1.add_emp(dev_2)
mang_1.print_emp()

print(isinstance(mang_1, Developer))
print(issubclass(Manager, Developer))
print(issubclass(Developer, Employee))

print(help(Developer))