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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 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 astropy.table import Table 

23 

24from .. import Butler 

25from ..core import Timespan 

26from ..core.utils import globToRegex 

27 

28 

29def queryDimensionRecords(repo, element, datasets, collections, where, no_check): 

30 # Docstring for supported parameters is the same as 

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

32 # inverse of ``check``. 

33 

34 collections = globToRegex(collections) 

35 

36 butler = Butler(repo) 

37 

38 records = list(butler.registry.queryDimensionRecords(element, 

39 datasets=datasets, 

40 collections=collections, 

41 where=where, 

42 check=not no_check)) 

43 if not records: 

44 return None 

45 

46 records.sort(key=lambda r: r.dataId) # use the dataId to sort the rows 

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

48 

49 def conform(v): 

50 if isinstance(v, Timespan): 

51 v = (v.begin, v.end) 

52 return v 

53 

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