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# This file is part of daf_butler. 

# 

# 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/>. 

 

 

__all__ = ("Instrument", ) 

 

 

class Instrument: 

"""A template method class that can register itself with a 

`Registry. 

 

This class should be subclassed by various implementations. 

Subclasses should provide all relevant attributes, as documented 

below. 

 

Attributes 

---------- 

camera : `str` 

Name of the camera. Must be provided by subclass. 

physicalFilters : `list` 

List of PhysicalFilter entries (each entry being a dict). 

sensors : `list` 

List of Sensor entries (each entry being a dict). 

""" 

camera = None 

physicalFilters = [] 

sensors = [] 

 

def register(self, registry): 

"""Register an instance of this `Instrument` with a `Registry`. 

 

Creates all relevant `DataUnit` entries. 

""" 

assert self.camera is not None 

self._addCamera(registry) 

self._addPhysicalFilters(registry) 

self._addSensors(registry) 

 

def _addCamera(self, registry): 

registry.addDataUnitEntry("Camera", {"camera": self.camera}) 

 

def _addPhysicalFilters(self, registry): 

for entry in self.physicalFilters: 

62 ↛ 64line 62 didn't jump to line 64, because the condition on line 62 was never false if "camera" not in entry: 

entry["camera"] = self.camera 

registry.addDataUnitEntry("PhysicalFilter", entry) 

 

def _addSensors(self, registry): 

for entry in self.sensors: 

68 ↛ 70line 68 didn't jump to line 70, because the condition on line 68 was never false if "camera" not in entry: 

entry["camera"] = self.camera 

registry.addDataUnitEntry("Sensor", entry)