Coverage for python/lsst/daf/butler/script/queryDimensionRecords.py: 9%

25 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 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 .._butler import Butler 

25from ..core import Timespan 

26 

27 

28def queryDimensionRecords(repo, element, datasets, collections, where, no_check, order_by, limit, offset): 

29 # Docstring for supported parameters is the same as 

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

31 # inverse of ``check``. 

32 

33 butler = Butler(repo) 

34 

35 records = butler.registry.queryDimensionRecords( 

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

37 ) 

38 

39 if order_by: 

40 records.order_by(*order_by) 

41 if limit > 0: 

42 if offset <= 0: 

43 offset = None 

44 records.limit(limit, offset) 

45 

46 records = list(records) 

47 

48 if not records: 

49 return None 

50 

51 if not order_by: 

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

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

54 

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

56 

57 def conform(v): 

58 if isinstance(v, Timespan): 

59 v = (v.begin, v.end) 

60 elif isinstance(v, bytes): 

61 v = "0x" + v.hex() 

62 return v 

63 

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