def main():
    print 'Ran the main method'


if __name__ == '__main__':
    main()

class PositiveInteger(int):
    def __new__(cls, number):
        if number < 0:
            raise ValueError('The number has to be positive integer')
        else:
            return int.__new__(cls, number)

    def __init__(self, number):
        self.number = number

    def get_number(self):
        return self.number

p = PositiveInteger(1)
p.get_number()
PositiveInteger(-2)


with open('numbers.txt') as numbers:
    list_of_numbers = numbers.read()
    print list_of_numbers.split()
    print numbers
print numbers

class Redis(object):
    
    def __init__(self, rdb):
        self.connection = CreateConnection(rdb)
    
    def __enter__(self):
        return self.connection
    
    def __exit__(self):
        self.connection.close()

with Redis('redis://localhost:6379') as redis:
    # do things with new redis connection.
    redis.set('neck', 'beard')


class Person(object):
    def __init__(self, name='', age=10):
        self.name = name
        self.age = age

    def __repr__(self):
        return "Person(name=%r, age=%r)" % (self.name, self.age)
    
    def __str__(self):
        return 'A person name %s at age %d' % (self.name, self.age)

p = Person(name='Mahdi', age=50)
print str(p)
print repr(p)
p2 = Person(name='Mahdi', age=50)
print p2

from functools import total_ordering

@total_ordering
class Name(object):
    def __init__(self, name):
        self.name = name
    
    def __eq__(self, other):
        if isinstance(other, Name):
            return len(self.name) == len(other.name)
        return False
    
    def __lt__(self, other):
        if isinstance(other, Name):
            return len(self.name) < len(other.name)
        return False

mahdi = Name('Mahdi')
mikey = Name('Mikey')
kelsey = Name('Kelsey')

print mahdi == mikey
print mahdi <= mikey
print kelsey > mahdi

class Friend(object):
    def __init__(self, name, nickname):
        self.name = name
        self.nickname = nickname
    
    def __getattr__(self, name):
        raise AttributeError('The attribute you asked for %s for does not exist, clean it up sloppy'% name) 
    
    def __setattr__(self, name, value):
        if value == "Mahdi the Potty" and name == 'nickname':
            raise ValueError("No one calls me Mahdi the Potty")
        else:
            self.__dict__[name] = value
    
f = Friend('Mahdi', 'Mahdi the Bahdi')
# f.first_name
f.nickname = "Mahdi the Ladidai"



class First(object):
    pass

class Fifth(object):
    pass

class Second(First):
    pass

class Third(Fifth):
    pass

class Fourth(Third, Second):

    def __init__(self):
        pass


print Fourth.__mro__
    

class Point(object):
    def __init__(self, x, y):
        self.x = x
        self.y = y
        
class Point1(object):
    __slots__ = ('x', 'y')
    
    def __init__(self, x, y):
        self.x = x
        self.y = y

p = Point(5, 6)
p1 = Point1(5, 6)
p.z = 9
print p.z
#p1.z = 8
p1.y = 10
p1.x = 9

print p1.y
print p1.x

p.__dict__
#p1.__dict__

#p1.x = 9
#p1.__dict__

p1.z = 5