Add PID file and Yunoception

yunohost

@@ -64,6 +64,7 @@ def main():
 
     admin_password_provided = False
     json_print = False
+    no_ldap = False
 
     for key, arg in enumerate(sys.argv):
         if arg == '--admin-password':
@@ -71,6 +72,11 @@ def main():
             admin_password = sys.argv[key+1]
             sys.argv.pop(key)
             sys.argv.pop(key)
+
+        if arg == '--no-ldap':
+            no_ldap = True
+            sys.argv.pop(key)
+                
         if arg == '--json':
             json_print = True
             sys.argv.pop(key)
@@ -90,9 +96,34 @@ def main():
                 args_dict[sanitized_key] = args_dict[key]
                 del args_dict[key]
         del args_dict['func']
+        try:
+            with open('/etc/yunohost/passwd') as f:
+                admin_password = f.read()
+                admin_password_provided = True
+        except IOError: pass
         if admin_password_provided:
             with YunoHostLDAP(password=admin_password):
                 result = args.func(**args_dict)
+        elif os.isatty(1) and not no_ldap:
+            admin_password = getpass.getpass(colorize(_('Admin Password: '), 'yellow'))
+            with YunoHostLDAP(password=admin_password):
+                try:
+                    with open('/var/run/yunohost.pid', 'r'):
+                        raise YunoHostError(1, _("A YunoHost command is already running"))
+                except IOError:
+                    with open('/var/run/yunohost.pid', 'w') as f:
+                        f.write('ldap')
+                        os.system('chmod 400 /var/run/yunohost.pid')
+                    with open('/etc/yunohost/passwd', 'w') as f:
+                        f.write(admin_password)
+                        os.system('chmod 400 /etc/yunohost/passwd')
+                    try:
+                        result = args.func(**args_dict)
+                    except KeyboardInterrupt, EOFError:
+                        raise YunoHostError(125, _("Interrupted"))
+                    finally:
+                        os.remove('/etc/yunohost/passwd')
+                        os.remove('/var/run/yunohost.pid')
         else:
             result = args.func(**args_dict)
     #except TypeError, error:

yunohost.tac

@@ -115,7 +115,23 @@ def http_exec(request, **kwargs):
 
         # Execute requested function
         with YunoHostLDAP(password=request.getPassword()):
+            try:
+                with open('/var/run/yunohost.pid', 'r'):
+                    raise YunoHostError(1, _("A YunoHost command is already running"))
+            exceOError:
+                with open('/var/run/yunohost.pid', 'w') as f:
+                    f.write('ldap')
+                    os.system('chmod 400 /var/run/yunohost.pid')
+                with open('/etc/yunohost/passwd', 'w') as f:
+                    f.write(admin_password)
+                    os.system('chmod 400 /etc/yunohost/passwd')
+                try:
                     result = func(**validated_args)
+                except KeyboardInterrupt, EOFError:
+                    raise YunoHostError(125, _("Interrupted"))
+                finally:
+                    os.remove('/etc/yunohost/passwd')
+                    os.remove('/var/run/yunohost.pid')
         if result is None:
             result = {}
         if len(yunohost.win) > 0: