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1 # coding=utf-8 | 1 # coding=utf-8 |
2 # Copyright 2014 The LUCI Authors. All rights reserved. | 2 # Copyright 2014 The LUCI Authors. All rights reserved. |
3 # Use of this source code is governed by the Apache v2.0 license that can be | 3 # Use of this source code is governed under the Apache License, Version 2.0 |
4 # found in the LICENSE file. | 4 # that can be found in the LICENSE file. |
5 | 5 |
6 """Task entity that describe when a task is to be scheduled. | 6 """Task entity that describe when a task is to be scheduled. |
7 | 7 |
8 This module doesn't do the scheduling itself. It only describes the tasks ready | 8 This module doesn't do the scheduling itself. It only describes the tasks ready |
9 to be scheduled. | 9 to be scheduled. |
10 | 10 |
11 Graph of the schema: | 11 Graph of the schema: |
12 | 12 |
13 +--------Root---------+ | 13 +--------Root---------+ |
14 |TaskRequest | (task_request.py) | 14 |TaskRequest | (task_request.py) |
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453 too_long, | 453 too_long, |
454 deadline) | 454 deadline) |
455 | 455 |
456 | 456 |
457 def yield_expired_task_to_run(): | 457 def yield_expired_task_to_run(): |
458 """Yields all the expired TaskToRun still marked as available.""" | 458 """Yields all the expired TaskToRun still marked as available.""" |
459 now = utils.utcnow() | 459 now = utils.utcnow() |
460 for task in TaskToRun.query().filter(TaskToRun.queue_number > 0): | 460 for task in TaskToRun.query().filter(TaskToRun.queue_number > 0): |
461 if task.expiration_ts < now: | 461 if task.expiration_ts < now: |
462 yield task | 462 yield task |
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