Coverage for python/lsst/pipe/tasks/fit_multiband.py: 73%

27 statements  

« prev     ^ index     » next       coverage.py v7.2.7, created at 2023-08-06 03:30 +0000

1# This file is part of pipe_tasks. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (https://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 <https://www.gnu.org/licenses/>. 

21 

22__all__ = ["CatalogExposure", "CatalogExposureConfig", ] 

23 

24from functools import cached_property 

25from pydantic import Field 

26from pydantic.dataclasses import dataclass 

27 

28import lsst.afw.image as afwImage 

29import lsst.afw.table as afwTable 

30import lsst.daf.butler as dafButler 

31 

32 

33class CatalogExposureConfig: 

34 arbitrary_types_allowed = True 

35 

36 

37@dataclass(frozen=True, kw_only=True, config=CatalogExposureConfig) 

38class CatalogExposure: 

39 """A class to store a catalog, exposure, and metadata for a given dataId. 

40 

41 The intent is to store an exposure and an associated measurement catalog. 

42 Users may omit one but not both (e.g. if the intent is just to attach 

43 a dataId and metadata to a catalog or exposure). 

44 """ 

45 @cached_property 

46 def band(self) -> str: 

47 return self.dataId['band'] 

48 

49 @cached_property 

50 def calib(self) -> afwImage.PhotoCalib | None: 

51 return None if self.exposure is None else self.exposure.getPhotoCalib() 

52 

53 dataId: dafButler.DataCoordinate | dict = Field( 

54 title="A DataCoordinate or dict containing a 'band' item") 

55 catalog: afwTable.SourceCatalog | None = Field(None, title="The measurement catalog, if any") 

56 exposure: afwImage.Exposure | None = Field(None, title="The exposure, if any") 

57 id_tract_patch: int = Field(0, title="A unique ID for this tract-patch pair") 

58 metadata: dict = Field(default_factory=dict, title="Arbitrary metadata") 

59 

60 def __post_init__(self): 

61 if self.catalog is None and self.exposure is None: 

62 raise ValueError("Must specify at least one of catalog/exposure") 

63 if 'band' not in self.dataId: 

64 raise ValueError(f"dataId={self.dataId} must have a band")