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# This file is part of obs_subaru. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (http://www.lsst.org). 

# See the COPYRIGHT file at the top-level directory of this distribution 

# for details of code ownership. 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# This program is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the GNU General Public License 

# along with this program. If not, see <http://www.gnu.org/licenses/>. 

 

"""Gen3 Butler specializations for Hyper Suprime-Cam. 

""" 

 

from abc import abstractmethod 

 

from lsst.obs.base.gen3 import VisitInfoRawIngestTask 

 

 

__all__ = ("SubaruRawIngestTask", ) 

 

 

class SubaruRawIngestTask(VisitInfoRawIngestTask): 

"""Intermediate base class for Subaru Gen3 raw data ingest. 

""" 

 

@classmethod 

def getTruncatedModifiedJulianDate(cls, header): 

return int(header.getScalar('MJD')) - cls.DAY0 

 

@staticmethod 

def getSensorId(header): 

return int(header.getScalar("DET-ID")) 

 

@staticmethod 

def getFilterName(header): 

# Want upper-case filter names 

try: 

return header.getScalar('FILTER01').strip().upper() 

except Exception: 

return None 

 

@staticmethod 

@abstractmethod 

def getExposureId(header): 

raise NotImplementedError("Must be implemented by subclasses.") 

 

def extractDataId(self, file, headers): 

exposureId = self.getExposureId(headers[0]) 

return { 

"camera": "HSC", 

"exposure": exposureId, 

"visit": exposureId if headers[0].getScalar("DATA-TYP") == "OBJECT" else None, 

"sensor": self.getSensorId(headers[0]), 

"physical_filter": self.getFilterName(headers[0]), 

}