#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Génère un graphe de dépendance des extensions
du plan de numérotation d'asterisk
Auteur: Valentin Samir
"""
from subprocess import Popen, PIPE, STDOUT
import time
def gen_extentions_graph(exten_file, start_nodes, svg_file):
out=""
arrow={}
iarrow={}
out+="""digraph G {
rankdir=LR
edge [len=2.50, ratio=fill]
"""
for node in start_nodes:
out+='"%s" [style=filled];' % node
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)
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)
out+="""
node [shape=plaintext]
subgraph cluster_01 {
key [label=<
B inclus dans A : A |
Saut de A vers B : A |
>];
key2 [label=<>];
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])