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# 

# LSST Data Management System 

# Copyright 2008, 2009, 2010 LSST Corporation. 

# 

# This product includes software developed by the 

# LSST Project (http://www.lsst.org/). 

# 

# 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 LSST License Statement and 

# the GNU General Public License along with this program. If not, 

# see <http://www.lsstcorp.org/LegalNotices/>. 

# 

 

 

import re 

import lsst.daf.persistence as dafPersist 

 

 

class CameraMapper(dafPersist.Mapper): 

 

def __init__(self, *args, **kwargs): 

self.templates = dict( 

raw="raw_v%(visit)d_R%(raft)s_S%(sensor)s_C%(amp)s_E%(snap)03d.pickle", 

flat="flat_R%(raft)s_S%(sensor)s_C%(amp)s_E%(snap)03d.pickle", 

calexp="calexp_v%(visit)d_R%(raft)s_S%(sensor)s.pickle") 

self.synonyms = dict( 

ccd="sensor", 

channel="amp" 

) 

self.levels = dict( 

skyTile=["visit", "raft", "sensor"], 

visit=["snap", "raft", "sensor", "amp"], 

raft=["snap", "sensor", "amp"], 

sensor=["snap", "amp"], 

amp=[]) 

 

def _formatMap(self, ch, k, datasetType): 

if ch in "diouxX": 

return int 

elif ch in "eEfFgG": 

return float 

elif ch in "crs": 

return str 

else: 

raise RuntimeError("Unexpected format specifier %s" 

" for field %s in template for dataset %s" % 

(ch, k, datasetType)) 

 

def getKeys(self, datasetType, level): 

if level == '': 

level = self.getDefaultLevel() 

 

keyDict = dict() 

if datasetType is None: 

for t in self.templates: 

keyDict.update(self.getKeys(t)) 

else: 

d = dict([ 

(k, self._formatMap(v, k, datasetType)) 

for k, v in 

re.findall(r'\%\((\w+)\).*?([diouxXeEfFgGcrs])', 

self.templates[datasetType]) 

]) 

keyDict.update(d) 

if level is not None: 

for l in self.levels[level]: 

if l in keyDict: 

del keyDict[l] 

return keyDict 

 

def getDefaultLevel(self): 

return "sensor" 

 

def getDefaultSubLevel(self, level): 

if level == '': 

level = self.getDefaultLevel() 

return dict( 

sensor="amp", 

raft="sensor", 

visit="sensor", 

skyTile="sensor")[level] 

 

def query(self, datasetType, format, dataId): 

return self.registry.query(datasetType, format, dataId) 

 

def map(self, datasetType, dataId, write=False): 

path = self.templates[datasetType] % dataId 

return dafPersist.ButlerLocation( 

None, None, "PickleStorage", path, {}, self, 

dafPersist.Storage.makeFromURI(self.root)) 

 

 

for datasetType in ["raw", "flat", "calexp"]: 

103 ↛ exitline 104 didn't finish the lambda on line 104 setattr(CameraMapper, "map_" + datasetType, 

lambda self, dataId, write: 

CameraMapper.map(self, datasetType, dataId, write)) 

106 ↛ exitline 107 didn't finish the lambda on line 107 setattr(CameraMapper, "query_" + datasetType, 

lambda self, format, dataId: 

CameraMapper.query(self, datasetType, format, dataId))