Initial commit

set_get_attr_example.py

@@ -0,0 +1,34 @@
+
+class Number:
+    def __init__(self, number):
+        self._number = number
+
+    def power(self):
+        self._number = self.number * self.number
+
+    def another_func(self):
+        print("In another function")
+
+    def __setattr__(self, name, value):
+        # print(name, type(name), value, type(value))
+        super().__setattr__('_number', 0)
+        try:
+            if isinstance(value, int):
+                super().__setattr__('_number', value)
+            elif isinstance(value, str):
+                super().__setattr__('_number', int(value))
+        except ValueError:
+            return
+
+    def __getattribute__(self, name):
+        options = ['power', 'another_func', '__class__']
+        if name in options:
+            return super().__getattribute__(name)
+        else:
+            return super().__getattribute__('_number')
+
+    def __str__(self):
+        return str(self._number)
+
+    def __getattr__(self, name):
+        return self._number