[sip/asterisk-graph] Supression du fichier temporaire

On écrit directement dans PIPE avec subprocess

sip/asterisk-graph.py

 #!/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:
+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])
-    print('"%s";' % context_name, file=out)
+        out+='"%s";' % context_name
         for line in context:
             if line.startswith('include'):
                 dest=line.split('=>', 1)[1].strip()
@@ -39,14 +44,14 @@ for context in file:
                 arrow[context_name].add(dest)
 
 
-for (context_name, dests) in arrow.items():
+    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():
+            out+='"%s" -> "%s" [arrowhead=normal];' % (context_name, dest)
+    for (context_name, dests) in iarrow.items():
         for dest in dests:
-        print('"%s" -> "%s" [arrowhead=crow, style=dashed];' % (context_name, dest), file=out)
+            out+='"%s" -> "%s" [arrowhead=crow, style=dashed];' % (context_name, dest)
 
-print("""
+    out+="""
       node [shape=plaintext]
       subgraph cluster_01 {
         key [label=<<table border="0" cellpadding="2" cellspacing="0" cellborder="0">
@@ -60,13 +65,19 @@ print("""
         key:i1:e -> key2:j1:e [style=dashed, arrowhead=crow]
         key:i2:e -> key2:j2:w []
       }
-""", file=out)
+    """
+
+    out+="""
+    label = "\\n\\nAsterisk extensions\\nLes Nounous\\n%s";
+    }""" % time.strftime('%A %d %B %Y, %H:%M:%S')
 
-print("""
-label = "\\n\\nAsterisk extensions\\nLes Nounous\\n%s";
-}""" % str(date())[0:-1], file=out)
 
-out.close()
+    p = Popen(['dot', '-Tsvg', '-o', svg_file], stdout=PIPE, stdin=PIPE, stderr=STDOUT)
+    p.communicate(input=out)
 
-dot("-Tsvg", tmp_file, "-o", "/usr/scripts/var/doc/asterisk/extensions.svg")
-#neato("-Tsvg", tmp_file, "-o", "/usr/scripts/var/doc/asterisk/extensions.svg")
+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])