Coverage for python/lsst/daf/butler/script/queryDimensionRecords.py: 14%

26 statements  

« prev     ^ index     » next       coverage.py v6.5.0, created at 2023-01-26 02:04 -0800

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

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

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

12# (at your option) any later version. 

13# 

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

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

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

17# GNU General Public License for more details. 

18# 

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

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

21 

22from __future__ import annotations 

23 

24from typing import Any 

25 

26from astropy.table import Table 

27 

28from .._butler import Butler 

29from ..core import Timespan 

30 

31 

32def queryDimensionRecords( 

33 repo: str, 

34 element: str, 

35 datasets: tuple[str, ...], 

36 collections: tuple[str, ...], 

37 where: str, 

38 no_check: bool, 

39 order_by: tuple[str, ...], 

40 limit: int, 

41 offset: int, 

42) -> Table | None: 

43 # Docstring for supported parameters is the same as 

44 # Registry.queryDimensionRecords except for ``no_check``, which is the 

45 # inverse of ``check``. 

46 

47 butler = Butler(repo) 

48 

49 query_results = butler.registry.queryDimensionRecords( 

50 element, datasets=datasets, collections=collections, where=where, check=not no_check 

51 ) 

52 

53 if order_by: 

54 query_results = query_results.order_by(*order_by) 

55 if limit > 0: 

56 new_offset = offset if offset > 0 else None 

57 query_results = query_results.limit(limit, new_offset) 

58 

59 records = list(query_results) 

60 

61 if not records: 

62 return None 

63 

64 if not order_by: 

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

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

67 

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

69 

70 def conform(v: Any) -> Any: 

71 if isinstance(v, Timespan): 

72 v = (v.begin, v.end) 

73 elif isinstance(v, bytes): 

74 v = "0x" + v.hex() 

75 return v 

76 

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