in progress

labs04/task03.py

@@ -1,23 +1,64 @@
 #!/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):
-        self.points=list
-        if len(list)==Point.is_numeric(self.points):
-            self.isnumeric=True
-        else:
-            self.isnumeric=False
+        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):
-        new=[]
-        for index in range(len(self.points)):
-            new.append(self.points[index]+other.points[index])
+        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
@@ -30,7 +71,9 @@ class Point():
 
 
 def TestFunction():
-    punkt1=Point([12,12,2])
-    punkt2=Point([1,3,7])
+    punkt1=Point(['a',2,2])
+    punkt2=Point([1,7,25])
+    print(len(punkt1))
+    print(len(punkt2))
     print(punkt1,punkt2,punkt1+punkt2)
 TestFunction()