[CLEAN] Some code cleaning about context management

bzr revid: tde@openerp.com-20130515082939-oediun6cb9wd87lh

addons/auth_signup/res_users.py

@@ -265,12 +265,12 @@ class res_users(osv.Model):
             self.pool.get('email.template').send_mail(cr, uid, template.id, user.id, True, context=context)
 
     def create(self, cr, uid, values, context=None):
+        if context is None:
+            context = {}
         # overridden to automatically invite user to sign up
         user_id = super(res_users, self).create(cr, uid, values, context=context)
         user = self.browse(cr, uid, user_id, context=context)
-        if user.email and (not context or not context.get('no_reset_password')):
-            if not context:
-                context = {}
+        if user.email and not context.get('no_reset_password'):
             context.update({'create_user': True})
             self.action_reset_password(cr, uid, [user.id], context=context)
         return user_id

addons/survey/wizard/survey_send_invitation.py

@@ -190,7 +190,8 @@ Thanks,''') % (name, self.pool.get('ir.config_parameter').get_param(cr, uid, 'we
                                 'action_id': act_id[0],
                                 'survey_id': [[6, 0, survey_ids]]
                                }
-                    user = user_ref.create(cr, uid, res_data, {'no_reset_password': True})
+                    create_ctx = dict(context, no_reset_password=True)
+                    user = user_ref.create(cr, uid, res_data, context=create_ctx)
                     if user not in new_user:
                         new_user.append(user)
                     created+= "- %s (Login: %s,  Password: %s)\n" % (partner.name or _('Unknown'),\