Coverage for python/lsst/daf/butler/script/queryDimensionRecords.py: 16%

31 statements  

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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 

30from collections.abc import Iterable 

31from types import EllipsisType 

32from typing import Any 

33 

34from astropy.table import Table 

35 

36from .._butler import Butler 

37from ..core import Timespan 

38 

39 

40def queryDimensionRecords( 

41 repo: str, 

42 element: str, 

43 datasets: tuple[str, ...], 

44 collections: tuple[str, ...], 

45 where: str, 

46 no_check: bool, 

47 order_by: tuple[str, ...], 

48 limit: int, 

49 offset: int, 

50) -> Table | None: 

51 """Query dimension records. 

52 

53 Docstring for supported parameters is the same as 

54 `~lsst.daf.butler.Registry.queryDimensionRecords` except for ``no_check``, 

55 which is the inverse of ``check``. 

56 """ 

57 butler = Butler(repo, without_datastore=True) 

58 

59 query_collections: Iterable[str] | EllipsisType | None = None 

60 if datasets: 

61 query_collections = collections or ... 

62 query_results = butler.registry.queryDimensionRecords( 

63 element, datasets=datasets, collections=query_collections, where=where, check=not no_check 

64 ) 

65 

66 if order_by: 

67 query_results = query_results.order_by(*order_by) 

68 if limit > 0: 

69 new_offset = offset if offset > 0 else None 

70 query_results = query_results.limit(limit, new_offset) 

71 

72 records = list(query_results) 

73 

74 if not records: 

75 return None 

76 

77 if not order_by: 

78 # use the dataId to sort the rows if not ordered already 

79 records.sort(key=lambda r: r.dataId) 

80 

81 keys = records[0].fields.names # order the columns the same as the record's `field.names` 

82 

83 def conform(v: Any) -> Any: 

84 if isinstance(v, Timespan): 

85 v = (v.begin, v.end) 

86 elif isinstance(v, bytes): 

87 v = "0x" + v.hex() 

88 return v 

89 

90 return Table([[conform(getattr(record, key, None)) for record in records] for key in keys], names=keys)