[IMP] improve code

bzr revid: fka@tinyerp.com-20121003103524-j480eazwonxu1g4y

addons/survey/wizard/survey_send_invitation.py

@@ -50,7 +50,6 @@ class survey_send_invitation(osv.osv_memory):
     _defaults = {
         'send_mail': lambda *a: 1,
         'send_mail_existing': lambda *a: 1,
-        'mail_from': lambda *a: tools.config['email_from']
     }
 
     def genpasswd(self):
@@ -68,13 +67,14 @@ class survey_send_invitation(osv.osv_memory):
             name += "\t --> " + sur.title + "\n"
             if sur.state != 'open':
                 msg +=  sur.title + "\n"
+            data['mail_subject'] = "Invitation for " + sur.title
+            data['mail_subject_existing'] = "Invitation for " + sur.title
+            data['mail_from'] = sur.responsible_id.email
         if msg:
             raise osv.except_osv(_('Warning!'), _('%sSurvey is not in open state') % msg)
         data['mail'] = '''Hello %(name)s, \n\n We are inviting you for following survey. \
                     \n  ''' + name + '''\n Your login ID: %(login)s, Your password: %(passwd)s
                     \n link :- http://'''+ str(socket.gethostname()) + ''':8080 \n\n Thanks,'''
-        data['mail_subject'] = "Invitation for " + sur.title
-        data['mail_subject_existing'] = "Invitation for " + sur.title
         return data
 
     def create_report(self, cr, uid, res_ids, report_name=False, file_name=False):