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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/>. 

 

"""Gen2->Gen3 Data repo conversion specializations for Hyper Suprime-Cam 

""" 

 

from lsst.daf.butler.gen2convert import Translator, KeyHandler, ConstantKeyHandler, CopyKeyHandler 

 

from .instrument import FILTER_REGEX 

 

 

__all__ = () 

 

 

class HscAbstractFilterKeyHandler(KeyHandler): 

"""KeyHandler for HSC filter keys that should be mapped to AbstractFilters. 

""" 

 

__slots__ = () 

 

def __init__(self): 

super().__init__("abstract_filter", "abstract_filter") 

 

def extract(self, gen2id, skyMap, skyMapName, datasetTypeName): 

physical = gen2id["filter"] 

m = FILTER_REGEX.match(physical) 

if m: 

return m.group(1).lower() 

return physical 

 

 

# Add instrument to Gen3 data ID if Gen2 contains "visit" or "ccd". 

# (Both rules will match, so we'll actually set instrument in the same dict twice). 

Translator.addRule(ConstantKeyHandler("instrument", "instrument", "HSC"), 

instrument="HSC", gen2keys=("visit",), consume=False) 

Translator.addRule(ConstantKeyHandler("instrument", "instrument", "HSC"), 

instrument="HSC", gen2keys=("ccd",), consume=False) 

 

# Copy Gen2 'visit' to Gen3 'exposure' for raw only. Also consume filter, 

# since that's implied by 'exposure' in Gen3. 

Translator.addRule(CopyKeyHandler("exposure", "exposure", "visit"), 

instrument="HSC", datasetTypeName="raw", gen2keys=("visit",), 

consume=("visit", "filter")) 

 

# Copy Gen2 'visit' to Gen3 'visit' otherwise. Also consume filter. 

Translator.addRule(CopyKeyHandler("visit", "visit"), instrument="HSC", gen2keys=("visit",), 

consume=("visit", "filter")) 

 

# Copy Gen2 'ccd' to Gen3 'detector; 

Translator.addRule(CopyKeyHandler("detector", "detector", "ccd"), instrument="HSC", gen2keys=("ccd",)) 

 

# Translate Gen2 `filter` to AbstractFilter if it hasn't been consumed yet and gen2keys includes tract. 

Translator.addRule(HscAbstractFilterKeyHandler(), instrument="HSC", gen2keys=("filter", "tract"), 

consume=("filter",)) 

 

# Add instrument for HSC transmission curve datasets (transmission_sensor is 

# already handled by the above translators). 

Translator.addRule(ConstantKeyHandler("instrument", "instrument", "HSC"), 

instrument="HSC", datasetTypeName="transmission_optics") 

Translator.addRule(ConstantKeyHandler("instrument", "instrument", "HSC"), 

instrument="HSC", datasetTypeName="transmission_atmosphere") 

Translator.addRule(ConstantKeyHandler("instrument", "instrument", "HSC"), 

instrument="HSC", datasetTypeName="transmission_filter") 

Translator.addRule(CopyKeyHandler("physical_filter", "physical_filter", "filter"), 

instrument="HSC", datasetTypeName="transmission_filter") 

 

# Add calibration mapping for filter for filter dependent types 

for calibType in ('flat', 'sky', 'fringe'): 

Translator.addRule(CopyKeyHandler("physical_filter", "physical_filter", "filter"), 

instrument="HSC", datasetTypeName=calibType)