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-rw-r--r--WebKitTools/QueueStatusServer/handlers/nextpatch.py59
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diff --git a/WebKitTools/QueueStatusServer/handlers/nextpatch.py b/WebKitTools/QueueStatusServer/handlers/nextpatch.py
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--- a/WebKitTools/QueueStatusServer/handlers/nextpatch.py
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-# Copyright (C) 2010 Google Inc. All rights reserved.
-#
-# Redistribution and use in source and binary forms, with or without
-# modification, are permitted provided that the following conditions are
-# met:
-#
-# * Redistributions of source code must retain the above copyright
-# notice, this list of conditions and the following disclaimer.
-# * Redistributions in binary form must reproduce the above
-# copyright notice, this list of conditions and the following disclaimer
-# in the documentation and/or other materials provided with the
-# distribution.
-# * Neither the name of Google Inc. nor the names of its
-# contributors may be used to endorse or promote products derived from
-# this software without specific prior written permission.
-#
-# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-from datetime import datetime
-
-from google.appengine.ext import db
-from google.appengine.ext import webapp
-
-from model.queues import Queue
-
-
-class NextPatch(webapp.RequestHandler):
- # FIXME: This should probably be a post, or an explict lock_patch
- # since GET requests shouldn't really modify the datastore.
- def get(self, queue_name):
- queue = Queue.queue_with_name(queue_name)
- if not queue:
- self.error(404)
- return
- # FIXME: Patch assignment should probably move into Queue.
- patch_id = db.run_in_transaction(self._assign_patch, queue.active_work_items().key(), queue.work_items().item_ids)
- if not patch_id:
- self.error(404)
- return
- self.response.out.write(patch_id)
-
- @staticmethod
- def _assign_patch(key, work_item_ids):
- now = datetime.now()
- active_work_items = db.get(key)
- active_work_items.deactivate_expired(now)
- next_item = active_work_items.next_item(work_item_ids, now)
- active_work_items.put()
- return next_item