Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.8/site-packages/airflow/datasets/__init__.py: 55%

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. 

17from __future__ import annotations 

18 

19from typing import Any, ClassVar 

20from urllib.parse import urlsplit 

21 

22import attr 

23 

24 

25@attr.define() 

26class Dataset: 

27 """A Dataset is used for marking data dependencies between workflows.""" 

28 

29 uri: str = attr.field(validator=[attr.validators.min_len(1), attr.validators.max_len(3000)]) 

30 extra: dict[str, Any] | None = None 

31 

32 __version__: ClassVar[int] = 1 

33 

34 @uri.validator 

35 def _check_uri(self, attr, uri: str): 

36 if uri.isspace(): 

37 raise ValueError(f"{attr.name} cannot be just whitespace") 

38 try: 

39 uri.encode("ascii") 

40 except UnicodeEncodeError: 

41 raise ValueError(f"{attr.name!r} must be ascii") 

42 parsed = urlsplit(uri) 

43 if parsed.scheme and parsed.scheme.lower() == "airflow": 

44 raise ValueError(f"{attr.name!r} scheme `airflow` is reserved")