lsst.coadd.utils g169eefeba3+c8cb4ea50a
coaddDataIdContainer.py
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2# LSST Data Management System
3# Copyright 2008-2015 AURA/LSST.
4#
5# This product includes software developed by the
6# LSST Project (http://www.lsst.org/).
7#
8# This program is free software: you can redistribute it and/or modify
9# it under the terms of the GNU General Public License as published by
10# the Free Software Foundation, either version 3 of the License, or
11# (at your option) any later version.
12#
13# This program is distributed in the hope that it will be useful,
14# but WITHOUT ANY WARRANTY; without even the implied warranty of
15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16# GNU General Public License for more details.
17#
18# You should have received a copy of the LSST License Statement and
19# the GNU General Public License along with this program. If not,
20# see <http://www.lsstcorp.org/LegalNotices/>.
21#
22__all__ = ["CoaddDataIdContainer", "ExistingCoaddDataIdContainer"]
23
24import argparse
25
26import lsst.pipe.base as pipeBase
27
28
29class CoaddDataIdContainer(pipeBase.DataIdContainer):
30 """A version of lsst.pipe.base.DataIdContainer specialized for coaddition.
31
32 Required because butler.subset does not support patch and tract
33
34 This code was originally in pipe_tasks (coaddBase.py)
35 """
36
37 def getSkymap(self, namespace):
38 """Only retrieve skymap if required"""
39 if not hasattr(self, "_skymap"):
40 self._skymap_skymap = namespace.butler.get(namespace.config.coaddName + "Coadd_skyMap")
41 return self._skymap_skymap
42
43 def makeDataRefList(self, namespace):
44 """Make self.refList from self.idList
45 """
46 validKeys = namespace.butler.getKeys(datasetType=self.datasetType, level=self.level)
47
48 for dataId in self.idList:
49 for key in validKeys:
50 if key in ("tract", "patch"):
51 # Will deal with these explicitly
52 continue
53 if key not in dataId:
54 raise argparse.ArgumentError(None, "--id must include " + key)
55
56 # tract and patch are required; iterate over them if not provided
57 if "tract" not in dataId:
58 if "patch" in dataId:
59 raise RuntimeError("'patch' cannot be specified without 'tract'")
60 addList = [dict(tract=tract.getId(), patch="%d,%d" % patch.getIndex(), **dataId)
61 for tract in self.getSkymapgetSkymap(namespace) for patch in tract]
62 elif "patch" not in dataId:
63 tract = self.getSkymapgetSkymap(namespace)[dataId["tract"]]
64 addList = [dict(patch="%d,%d" % patch.getIndex(), **dataId) for patch in tract]
65 else:
66 addList = [dataId]
67
68 self.refList += [namespace.butler.dataRef(datasetType=self.datasetType, dataId=addId)
69 for addId in addList]
70
71
73 """A version of CoaddDataIdContainer that only produces references that exist"""
74
75 def makeDataRefList(self, namespace):
76 super(ExistingCoaddDataIdContainer, self).makeDataRefList(namespace)
77 self.refListrefList = [ref for ref in self.refListrefList if ref.datasetExists()]