diff --git a/sip/asterisk-graph.py b/sip/asterisk-graph.py
index 9262ca41c60c0f5f276ecd074c35d469d869402b..50e431472fd76f75c253e7858aeb756f89d6d870 100755
--- a/sip/asterisk-graph.py
+++ b/sip/asterisk-graph.py
@@ -1,72 +1,83 @@
 #!/usr/bin/env python
-from __future__ import print_function
-from sh import neato
-from sh import date
-from sh import dot
+# -*- coding: utf-8 -*-
+"""
+Génère un graphe de dépendance des extensions 
+du plan de numérotation d'asterisk
 
-tmp_file = '/tmp/graph.gv'
-exten_file = '/etc/asterisk/extensions.conf'
-start_nodes = ["crans-sip", "crans-from-external", "ovh-sip", "crans-sms" ]
+Auteur: Valentin Samir
 
-out = file(tmp_file,'w')
-arrow={}
-iarrow={}
+"""
 
-print("""digraph G {
-rankdir=LR
-edge [len=2.50, ratio=fill]
-""", file=out)
-for node in start_nodes:
-    print('"%s" [style=filled];' % node, file=out)
+from subprocess import Popen, PIPE, STDOUT
+import time
 
-file=open(exten_file).read()
-file=file.split('\n[')
-del(file[0])
-for context in file:
-    context=context.split('\n')
-    context_name = context[0].strip()[:-1]
-    arrow[context_name]= arrow.get(context_name, set())
-    iarrow[context_name]= iarrow.get(context_name, set())
-    del(context[0])
-    print('"%s";' % context_name, file=out)
-    for line in context:
-        if line.startswith('include'):
-            dest=line.split('=>', 1)[1].strip()
-            iarrow[context_name].add(dest)
-        line=line.split(',')
-        if len(line)>2 and line[2].strip().startswith('Goto('):
-            dest=line[2].strip()[5:]
-            arrow[context_name].add(dest)
+def gen_extentions_graph(exten_file, start_nodes, svg_file):
 
+    out=""
+    arrow={}
+    iarrow={}
 
-for (context_name, dests) in arrow.items():
-    for dest in dests:
-        print('"%s" -> "%s" [arrowhead=normal];' % (context_name, dest), file=out)
-for (context_name, dests) in iarrow.items():
-    for dest in dests:
-        print('"%s" -> "%s" [arrowhead=crow, style=dashed];' % (context_name, dest), file=out)
+    out+="""digraph G {
+    rankdir=LR
+    edge [len=2.50, ratio=fill]
+    """
+    for node in start_nodes:
+        out+='"%s" [style=filled];' % node
 
-print("""
-  node [shape=plaintext]
-  subgraph cluster_01 { 
-    key [label=<<table border="0" cellpadding="2" cellspacing="0" cellborder="0">
-      <tr><td align="right" port="i1">B inclus dans A : A</td></tr>
-      <tr><td align="right" port="i2">Saut de A vers B :  A</td></tr>
-      </table>>];
-    key2 [label=<<table border="0" cellpadding="2" cellspacing="0" cellborder="0">
-      <tr><td port="j1">B</td></tr>
-      <tr><td port="j2">B</td></tr>
-      </table>>];
-    key:i1:e -> key2:j1:e [style=dashed, arrowhead=crow]
-    key:i2:e -> key2:j2:w []
-  }
-""", file=out)
+    file=open(exten_file).read()
+    file=file.split('\n[')
+    del(file[0])
+    for context in file:
+        context=context.split('\n')
+        context_name = context[0].strip()[:-1]
+        arrow[context_name]= arrow.get(context_name, set())
+        iarrow[context_name]= iarrow.get(context_name, set())
+        del(context[0])
+        out+='"%s";' % context_name
+        for line in context:
+            if line.startswith('include'):
+                dest=line.split('=>', 1)[1].strip()
+                iarrow[context_name].add(dest)
+            line=line.split(',')
+            if len(line)>2 and line[2].strip().startswith('Goto('):
+                dest=line[2].strip()[5:]
+                arrow[context_name].add(dest)
 
-print("""
-label = "\\n\\nAsterisk extensions\\nLes Nounous\\n%s";
-}""" % str(date())[0:-1], file=out)
 
-out.close()
+    for (context_name, dests) in arrow.items():
+        for dest in dests:
+            out+='"%s" -> "%s" [arrowhead=normal];' % (context_name, dest)
+    for (context_name, dests) in iarrow.items():
+        for dest in dests:
+            out+='"%s" -> "%s" [arrowhead=crow, style=dashed];' % (context_name, dest)
 
-dot("-Tsvg", tmp_file, "-o", "/usr/scripts/var/doc/asterisk/extensions.svg")
-#neato("-Tsvg", tmp_file, "-o", "/usr/scripts/var/doc/asterisk/extensions.svg")
+    out+="""
+      node [shape=plaintext]
+      subgraph cluster_01 {
+        key [label=<<table border="0" cellpadding="2" cellspacing="0" cellborder="0">
+          <tr><td align="right" port="i1">B inclus dans A : A</td></tr>
+          <tr><td align="right" port="i2">Saut de A vers B :  A</td></tr>
+          </table>>];
+        key2 [label=<<table border="0" cellpadding="2" cellspacing="0" cellborder="0">
+          <tr><td port="j1">B</td></tr>
+          <tr><td port="j2">B</td></tr>
+          </table>>];
+        key:i1:e -> key2:j1:e [style=dashed, arrowhead=crow]
+        key:i2:e -> key2:j2:w []
+      }
+    """
+
+    out+="""
+    label = "\\n\\nAsterisk extensions\\nLes Nounous\\n%s";
+    }""" % time.strftime('%A %d %B %Y, %H:%M:%S')
+
+
+    p = Popen(['dot', '-Tsvg', '-o', svg_file], stdout=PIPE, stdin=PIPE, stderr=STDOUT)
+    p.communicate(input=out)
+
+if __name__ == '__main__' :
+    import sys
+    if len(sys.argv)>1:
+        import locale
+        locale.setlocale(locale.LC_TIME, 'fr_FR.UTF-8')
+        gen_extentions_graph('/etc/asterisk/extensions.conf', ["crans-sip", "crans-from-external", "ovh-sip", "crans-sms"], sys.argv[1])