Python2017/labs04/task03.py

#!/usr/bin/env python2
# -*- coding: utf-8 -*-

class DimensionError(Exception):
    """Discreapncies in dimensions. We cannot add points from different dimension"""
    def __init__(self):
        super().__init__(self)
        self.msg='Discreapncies in dimensions. We cannot add points from different dimension'

class IsNumericError(Exception):
    """Point contains other chars than numbers"""
    def __init__(self):
        super().__init__(self)
        self.msg='Point contains other chars than numbers'


class Point():
    def __init__(self,list):
        try:
            if Point.is_numeric(list)!=len(list):
                self.points=[]
                self.isnumeric = False
                raise IsNumericError()
            else:
                self.points=list
                self.isnumeric=True
        except IsNumericError as e:
            print(e.msg)

    def __repr__(self):
        return '<Point %s, is numeric: %s>' %(self.points,self.isnumeric)

    def __add__(self, other):
        try:
            new = []
            if self.isnumeric==False or other.isnumeric==False:
                raise IsNumericError()
            elif len(self.points) != len(other.points):
                raise DimensionError()
            else:
                for index in range(len(self.points)):
                    new.append(self.points[index]+other.points[index])
        except IsNumericError as e:
            print(e.msg)
        except DimensionError as e:
            print(e.msg)
        return new

    def __len__(self):
        len=0
        try:
            if self.isnumeric==False:
                    raise IsNumericError()
            else:
                for element in self.points:
                    len+=1
        except IsNumericError as e:
            print(e.msg)
        return len


    @staticmethod
    def is_numeric(point):
        value=0
        for element in point:
            if isinstance(element, int) or isinstance(element, float):
                value+=1
        return value




def TestFunction():
    punkt1=Point(['a',2,2])
    punkt2=Point([1,7,25])
    print(len(punkt1))
    print(len(punkt2))
    print(punkt1,punkt2,punkt1+punkt2)
TestFunction()