add subprcess_command for external calling

src/fenrir/commands/commands/subprocess.py

@@ -0,0 +1,29 @@
+#!/bin/python
+# -*- coding: utf-8 -*-
+
+# Fenrir TTY screen reader
+# By Chrys, Storm Dragon, and contributers.
+
+from core import debug
+import subprocess, os
+
+class command():
+    def __init__(self):
+        pass
+    def initialize(self, environment, scriptPaht=''):
+        self.env = environment
+        self.scriptPath = scriptPath
+    def shutdown(self):
+        pass
+    def getDescription(self):
+        return 'script: '+ self.scriptPath         
+    def run(self):
+        p = Popen(self.scriptPath , stdout=PIPE, stderr=PIPE, shell=True)
+        stdout, stderr = p.communicate()
+        self.env['runtime']['outputManager'].interruptOutput()
+        if stderr != '':
+            self.env['runtime']['outputManager'].presentText(stdout , soundIcon='', interrupt=False)
+        if stdout != ''
+            self.env['runtime']['outputManager'].presentText(stdout , soundIcon='', interrupt=False)
+    def setCallback(self, callback):
+        pass

src/fenrir/commands/onScreenChanged/10000-shut_up.py

@@ -17,7 +17,6 @@ class command():
         return ''               
     
     def run(self):
-            
         self.env['runtime']['outputManager'].interruptOutput()
 
     def setCallback(self, callback):