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      9 #     * Redistributions in binary form must reproduce the above
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     28 
     29 from google.appengine.ext import webapp, db
     30 from google.appengine.ext.webapp import template
     31 
     32 from handlers.updatebase import UpdateBase
     33 from model.attachment import Attachment
     34 from model.queues import Queue
     35 
     36 
     37 class SubmitToEWS(UpdateBase):
     38     def get(self):
     39         self.response.out.write(template.render("templates/submittoews.html", None))
     40 
     41     def _should_add_to_ews_queue(self, queue, attachment):
     42         # This assert() is here to make sure we're not submitting to the commit-queue.
     43         # The commit-queue clients check each patch anyway, but there is not sense
     44         # in adding things to the commit-queue when they won't be processed by it.
     45         assert(queue.is_ews())
     46         latest_status = attachment.status_for_queue(queue)
     47         if not latest_status:
     48             return True
     49         # Only ever re-submit to the EWS if the EWS specifically requested a retry.
     50         # This allows us to restart the EWS feeder queue, without all r? patches
     51         # being retried as a result of that restart!
     52         # In some future version we might add a "force" button to allow the user
     53         # to override this restriction.
     54         return latest_status.is_retry_request()
     55 
     56     def _add_attachment_to_ews_queues(self, attachment):
     57         for queue in Queue.all_ews():  # all_ews() currently includes the style-queue
     58             if self._should_add_to_ews_queue(queue, attachment):
     59                 queue.work_items().add_work_item(attachment.id)
     60 
     61     def post(self):
     62         attachment_id = self._int_from_request("attachment_id")
     63         attachment = Attachment(attachment_id)
     64         self._add_attachment_to_ews_queues(attachment)
     65