labs04 - after review

labs04/task01.py

@@ -1,3 +1,19 @@
 #!/usr/bin/env python2
 # -*- coding: utf-8 -*-
+def is_numeric(xs):
+    return all(isinstance(x, (int, float)) for x in xs)
 
+assert is_numeric([1,2,3,4,5,6,6])
+assert is_numeric([1.0,2.0,3.0,4.0,5.0,6.0])
+assert is_numeric([1])
+assert is_numeric([1.0])
+assert is_numeric([1.0, 1])
+assert is_numeric([1, 1.0])
+assert is_numeric([]) #zgodnie z ustaleniami z zajęć
+assert not is_numeric([1,2,3,'a',4,5,6,6])
+assert not is_numeric([1.0,2.0,3.0,'a',4.0,5.0,6.0])
+assert not is_numeric([1, 'a'])
+assert not is_numeric([1.0, 'a'])
+assert not is_numeric(['a', 1.0, 1])
+assert not is_numeric([1, 1.0, 'a'])
+assert not is_numeric(['a'])

labs04/task02.py

@@ -1,3 +1,38 @@
 #!/usr/bin/env python2
 # -*- coding: utf-8 -*-
 
+class Employee(object):
+    NEXT_ID = 0
+
+    def __init__(self, name, surname):
+        self.name = name
+        self.surname = surname
+        self.id = Employee.NEXT_ID
+        Employee.NEXT_ID = Employee.NEXT_ID + 1
+
+    def get_id(self):
+        return self.id
+
+
+class Recruiter(Employee):
+    def __init__(self, name, surname):
+        super(Recruiter, self).__init__(name, surname)
+        self.recruited = []
+
+    def recruit(self, employee):
+        self.recruited.append(employee.get_id())
+
+
+class Programmer(Employee):
+    def __init__(self, name, surname, recruiter):
+        super(Programmer, self).__init__(name, surname)
+        self.recruiter = recruiter.get_id()
+
+
+empl1 = Employee('a', 'a')
+empl2 = Employee('b', 'b')
+rec1 = Recruiter('c', 'c')
+prog1 = Programmer('d', 'd', rec1)
+rec1.recruit(prog1)
+assert prog1.recruiter == rec1.get_id()
+assert any( recruitee_id == prog1.get_id() for recruitee_id in rec1.recruited )

labs04/task03.py

@@ -1,3 +1,41 @@
 #!/usr/bin/env python2
 # -*- coding: utf-8 -*-
 
+class Point(object):
+    def __init__(self, coords):
+        from labs04.task01 import is_numeric
+        assert is_numeric(coords)
+        self.coords = coords
+
+    def add(self, that):
+        if len(self.coords) != len(that.coords):
+            raise DimensionError('Niezgodne wymiary')
+        else:
+            pass
+        return Point(map(lambda(a,b): a+b, zip(self.coords, that.coords)))
+
+    def to_string(self):
+        return type(self).__name__+'('+((',').join(map(str, self.coords)))+')'
+
+    def len(self):
+        return len(self.coords)
+
+    def __len__(self):
+        return len(self.coords)
+
+    def __str__(self):
+        return self.to_string()
+
+    def __add__(self, other):
+        return self.add(other)
+
+class DimensionError(Exception):
+    def __init__(self, msg):
+        self.msg = msg
+    def __str__(self):
+        return self.msg
+
+pt1 = Point([1,2,3.0,4.0])
+pt2 = Point([-1, -2.0, -3, -4.0])
+print(pt1 + pt2)
+