From a6438f4e6ffa73c74c4dabe36562e4bbb6df2fcb Mon Sep 17 00:00:00 2001
From: Fred Z <freezed@users.noreply.github.com>
Date: Tue, 6 Feb 2018 09:58:29 +0100
Subject: [PATCH] Exercices sur les decorateurs|Ex_3.8|ADD decorator.py

---
 decorator.py | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 decorator.py

diff --git a/decorator.py b/decorator.py
new file mode 100644
index 0000000..edc47a2
--- /dev/null
+++ b/decorator.py
@@ -0,0 +1,73 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+Cours OC/python 3
+[Les decorateurs](https://openclassrooms.com/courses/apprenez-a-programmer-en-python/les-decorateurs)
+
+Author: freezed <git@freezed.me> 2018-02-05
+Version: 0.1
+Licence: `GNU GPL v3` GNU GPL v3: http://www.gnu.org/licenses/
+
+:Example:
+>>> hello_world()
+La fonction appelee: <function hello_world at 0x7f923c95f158> est obsolete.
+
+>>> wait_for()
+
+"""
+import time
+
+def my_decorator(function):
+    """ test de decorateur """
+
+    def modified_func():
+        """ Function modifiee utilisee par le decorateur """
+        print("Appel de la fonction: {}".format(function))
+        return function()
+
+    return modified_func
+
+def obsolete_exception(function):
+    """ Decorateur empechant l'execution d'une fonction obsolete """
+
+    def modd_func():
+        print("La fonction appelee: {} est obsolete.".format(function))
+
+    return modd_func
+
+def time_checker(seconds):
+    """ Recoit le parametre passe en argument du decorateur """
+
+    def time_decorator(function):
+        """ Le decorateur """
+
+        def modified_func(*args, **kwargs):
+            """ Function renvoyee par le decorateur """
+
+            tstp_begin = time.time()
+            exec_initial_func = function(*args, **kwargs)
+            tstp_end = time.time()
+            duration = tstp_end - tstp_begin
+            if duration > seconds:
+                print("La fonction {} à mis {}s pour s'executer".format( \
+                        function, round(duration, 1)))
+
+            return exec_initial_func
+        return modified_func
+    return time_decorator
+
+@obsolete_exception
+def hello_world():
+    print("Hello World")
+
+@time_checker(3)
+def wait_for(name="à vous"):
+    input("Bonjour {}, appuyez sur la touche enter…".format(name))
+
+
+if __name__ == "__main__":
+    """ Starting doctests """
+
+    import doctest
+    doctest.testmod()