Coverage for python/lsst/daf/butler/datastores/utils.py: 50%

1# This file is part of daf_butler. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (http://www.lsst.org). 

6# See the COPYRIGHT file at the top-level directory of this distribution 

7# for details of code ownership. 

8# 

9# This software is dual licensed under the GNU General Public License and also 

10# under a 3-clause BSD license. Recipients may choose which of these licenses 

11# to use; please see the files gpl-3.0.txt and/or bsd_license.txt, 

12# respectively. If you choose the GPL option then the following text applies 

13# (but note that there is still no warranty even if you opt for BSD instead): 

14# 

15# This program is free software: you can redistribute it and/or modify 

16# it under the terms of the GNU General Public License as published by 

17# the Free Software Foundation, either version 3 of the License, or 

18# (at your option) any later version. 

19# 

20# This program is distributed in the hope that it will be useful, 

21# but WITHOUT ANY WARRANTY; without even the implied warranty of 

22# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

23# GNU General Public License for more details. 

24# 

25# You should have received a copy of the GNU General Public License 

26# along with this program. If not, see <http://www.gnu.org/licenses/>. 

27 

28from __future__ import annotations 

29 

30__all__ = ["report_duplicate_ids"] 

31 

32from collections.abc import Iterable 

33 

34from lsst.daf.butler import DatasetId 

35from lsst.daf.butler.datastore import DuplicateIdError 

36 

37 

38def report_duplicate_ids(dataset_ids: Iterable[DatasetId]) -> None: 

39 """Raise exception if input list is non-empty. 

40 

41 Parameters 

42 ---------- 

43 dataset_ids : `~collections.abc.Iterable` [`DatasetId`] 

44 Dataset IDs. 

45 

46 Raises 

47 ------ 

48 DuplicateIdError 

49 Raised if input list is non empty. 

50 """ 

51 known_ids = list(dataset_ids) 

52 if len(known_ids) == 1: 52 ↛ 54line 52 didn't jump to line 54 because the condition on line 52 was always true

53 raise DuplicateIdError(f"Attempt to override an existing dataset: {known_ids[0]}") 

54 elif len(known_ids) > 1: 

55 known_ids_str = " ".join(str(known_id) for known_id in known_ids[:10]) 

56 if len(known_ids) <= 10: 

57 raise DuplicateIdError(f"Attempt to override existing datasets: {known_ids_str}") 

58 else: 

59 raise DuplicateIdError( 

60 f"Attempt to override existing datasets ({len(known_ids)} total): {known_ids_str} ..." 

61 )