Coverage for python/lsst/daf/butler/script/queryDimensionRecords.py: 16%
31 statements
« prev ^ index » next coverage.py v7.2.7, created at 2023-06-08 05:05 -0700
« prev ^ index » next coverage.py v7.2.7, created at 2023-06-08 05:05 -0700
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 __future__ import annotations
24from collections.abc import Iterable
25from types import EllipsisType
26from typing import Any
28from astropy.table import Table
30from .._butler import Butler
31from ..core import Timespan
34def queryDimensionRecords(
35 repo: str,
36 element: str,
37 datasets: tuple[str, ...],
38 collections: tuple[str, ...],
39 where: str,
40 no_check: bool,
41 order_by: tuple[str, ...],
42 limit: int,
43 offset: int,
44) -> Table | None:
45 # Docstring for supported parameters is the same as
46 # Registry.queryDimensionRecords except for ``no_check``, which is the
47 # inverse of ``check``.
49 butler = Butler(repo)
51 query_collections: Iterable[str] | EllipsisType | None = None
52 if datasets:
53 query_collections = collections if collections else ...
54 query_results = butler.registry.queryDimensionRecords(
55 element, datasets=datasets, collections=query_collections, where=where, check=not no_check
56 )
58 if order_by:
59 query_results = query_results.order_by(*order_by)
60 if limit > 0:
61 new_offset = offset if offset > 0 else None
62 query_results = query_results.limit(limit, new_offset)
64 records = list(query_results)
66 if not records:
67 return None
69 if not order_by:
70 # use the dataId to sort the rows if not ordered already
71 records.sort(key=lambda r: r.dataId)
73 keys = records[0].fields.names # order the columns the same as the record's `field.names`
75 def conform(v: Any) -> Any:
76 if isinstance(v, Timespan):
77 v = (v.begin, v.end)
78 elif isinstance(v, bytes):
79 v = "0x" + v.hex()
80 return v
82 return Table([[conform(getattr(record, key, None)) for record in records] for key in keys], names=keys)