more examples of chapter 05

python_3_oop/chapter05/color.py

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+class Color:
+
+    def __init__(self, rgb_value, name):
+        self.rgb_value = rgb_value
+        self._name = name
+
+    def _set_name(self, name):
+        if not name:
+            raise Exception("Invalid name")
+        self._name = name
+
+    def _get_name(self):
+        return self._name
+
+    name = property(_get_name, _set_name)

python_3_oop/chapter05/silly.py

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+#class Silly:
+#
+#    def _get_silly(self):
+#        print("You're getting silly")
+#        return self._silly
+#
+#    def _set_silly(self, value):
+#        print("You're making silly {}".format(value))
+#        self._silly = value
+#
+#    def _del_silly(self):
+#        print("Whoa, you're killing silly!")
+#        del self._silly
+#
+#    silly = property(_get_silly, _set_silly, _del_silly,
+#        "This is a silly property")
+
+
+# same as before but with decorators:
+
+class Silly:
+
+    @property
+    def silly(self):
+        "This is a silly property"
+        print("You're getting silly")
+        return self._silly
+
+    @silly.setter
+    def silly(self, value):
+        print("You're making silly {}".format(value))
+        self._silly = value
+
+    @silly.deleter
+    def silly(self):
+        print("Whoa, you're killing silly!")
+        del self._silly