Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/airflow/sdk/definitions/timetables/assets.py: 65%

1# Licensed to the Apache Software Foundation (ASF) under one 

2# or more contributor license agreements. See the NOTICE file 

3# distributed with this work for additional information 

4# regarding copyright ownership. The ASF licenses this file 

5# to you under the Apache License, Version 2.0 (the 

6# "License"); you may not use this file except in compliance 

7# with the License. You may obtain a copy of the License at 

8# 

9# http://www.apache.org/licenses/LICENSE-2.0 

10# 

11# Unless required by applicable law or agreed to in writing, 

12# software distributed under the License is distributed on an 

13# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 

14# KIND, either express or implied. See the License for the 

15# specific language governing permissions and limitations 

16# under the License. 

17 

18from __future__ import annotations 

19 

20import typing 

21 

22import attrs 

23 

24from airflow.sdk.bases.timetable import BaseTimetable 

25from airflow.sdk.definitions.asset import AssetAll, BaseAsset 

26 

27if typing.TYPE_CHECKING: 

28 from collections.abc import Collection 

29 

30 from airflow.sdk import Asset 

31 

32 

33@attrs.define 

34class AssetTriggeredTimetable(BaseTimetable): 

35 """ 

36 Timetable that never schedules anything. 

37 

38 This should not be directly used anywhere, but only set if a DAG is triggered by assets. 

39 

40 :meta private: 

41 """ 

42 

43 asset_condition: BaseAsset = attrs.field(alias="assets") 

44 

45 

46def _coerce_assets(o: Collection[Asset] | BaseAsset) -> BaseAsset: 

47 if isinstance(o, BaseAsset): 

48 return o 

49 return AssetAll(*o) 

50 

51 

52@attrs.define(kw_only=True) 

53class AssetOrTimeSchedule(AssetTriggeredTimetable): 

54 """ 

55 Combine time-based scheduling with event-based scheduling. 

56 

57 :param assets: An asset of list of assets, in the same format as 

58 ``DAG(schedule=...)`` when using event-driven scheduling. This is used 

59 to evaluate event-based scheduling. 

60 :param timetable: A timetable instance to evaluate time-based scheduling. 

61 """ 

62 

63 asset_condition: BaseAsset = attrs.field(alias="assets", converter=_coerce_assets) 

64 timetable: BaseTimetable 

65 

66 def __attrs_post_init__(self) -> None: 

67 self.active_runs_limit = self.timetable.active_runs_limit 

68 self.can_be_scheduled = self.timetable.can_be_scheduled