Rajout d'un decorateur "deprecated"

lib/deprecated.py

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+import warnings
+import functools
+
+def deprecated(func):
+    '''This is a decorator which can be used to mark functions
+    as deprecated. It will result in a warning being emitted
+    when the function is used.'''
+
+    @functools.wraps(func)
+    def new_func(*args, **kwargs):
+        warnings.warn_explicit(
+            "Call to deprecated function {}.".format(func.__name__),
+            category=DeprecationWarning,
+            filename=func.func_code.co_filename,
+            lineno=func.func_code.co_firstlineno + 1 
+        )   
+        return func(*args, **kwargs)
+    return new_func