Coverage for python/lsst/daf/butler/script/queryDimensionRecords.py: 10%
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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/>.
22from astropy.table import Table
24from .. import Butler
25from ..core import Timespan
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``.
33 butler = Butler(repo)
35 records = butler.registry.queryDimensionRecords(element,
36 datasets=datasets,
37 collections=collections,
38 where=where,
39 check=not no_check)
41 if order_by:
42 records.order_by(*order_by)
43 if limit > 0:
44 if offset <= 0:
45 offset = None
46 records.limit(limit, offset)
48 records = list(records)
50 if not records:
51 return None
53 if not order_by:
54 # use the dataId to sort the rows if not ordered already
55 records.sort(key=lambda r: r.dataId)
57 keys = records[0].fields.names # order the columns the same as the record's `field.names`
59 def conform(v):
60 if isinstance(v, Timespan):
61 v = (v.begin, v.end)
62 return v
64 return Table([[conform(getattr(record, key, None)) for record in records] for key in keys], names=keys)