cscaldb.py
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#! /usr/bin/env python
# ==========================================================================
# This script dumps all available calibrations into the console.
#
# Copyright (C) 2014-2015 Juergen Knoedlseder
#
# 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/>.
#
# ==========================================================================
import gammalib
import ctools
import sys
import glob
import os
# ============ #
# cspull class #
# ============ #
class cscaldb(ctools.cscript):
"""
This class dumps the content of the ctools calibration database.
It derives from the ctools.cscript class which provides support for
parameter files, command line arguments, and logging. In that way
the Python script behaves just as a regular ctool.
"""
def __init__(self, *argv):
"""
Constructor.
"""
# Set name
self.name = "cscaldb"
self.version = "1.0.0"
# Make sure that parfile exists
file = self.parfile()
# Initialise application
if len(argv) == 0:
ctools.cscript.__init__(self, self.name, self.version)
elif len(argv) ==1:
ctools.cscript.__init__(self, self.name, self.version, *argv)
else:
raise TypeError("Invalid number of arguments given.")
# Set logger properties
self.log_header()
self.log.date(True)
# Return
return
def __del__(self):
"""
Destructor.
"""
# Return
return
def parfile(self):
"""
Check if parfile exists. If parfile does not exist then create a
default parfile. This kluge avoids shipping the cscript with a parfile.
"""
# Set parfile name
parfile = self.name+".par"
try:
pars = gammalib.GApplicationPars(parfile)
except:
# Signal if parfile was not found
sys.stdout.write("Parfile "+parfile+" not found. Create default parfile.\n")
# Create default parfile
pars = gammalib.GApplicationPars()
pars.append_standard()
pars.save(parfile)
# Return
return
def get_parameters(self):
"""
Get parameters from parfile.
"""
# Return
return
def execute(self):
"""
Execute the script.
"""
# Run the script
self.run()
# Return
return
def run(self):
"""
Run the script.
"""
# Switch screen logging on in debug mode
if self.logDebug():
self.log.cout(True)
# Get parameters
self.get_parameters()
# Write input parameters into logger
if self.logTerse():
self.log_parameters()
self.log("\n")
# Get the calibration database path
caldb = gammalib.GCaldb()
# Gather missions
missions = []
paths = glob.glob(caldb.rootdir()+"/data/*")
paths.sort()
for path in paths:
head, tail = os.path.split(path)
missions.append(tail)
# Loop over missions
for mission in missions:
# Skip all non-CTA instruments
if mission != "cta":
continue
# Write mission into logger
if self.logTerse():
self.log("\n")
self.log.header1("Mission: "+mission)
# Gather instruments
instruments = []
paths = glob.glob(caldb.rootdir()+"/data/"+mission+"/*")
paths.sort()
for path in paths:
head, tail = os.path.split(path)
instruments.append(tail)
# Loop over instruments
for instrument in instruments:
# Write mission into logger
if self.logTerse():
self.log.header3("Response functions in database \""+instrument+"\"")
# Open calibration index file
cifname = caldb.rootdir()+"/data/"+mission+"/"+instrument+"/caldb.indx"
fits = gammalib.GFits(cifname)
cif = fits["CIF"]
cals = cif["CAL_CBD"]
# Extract response names
names = []
nrows = cals.length()
ncols = cals.number()
for row in range(nrows):
for col in range(ncols):
cal = cals.string(row, col)
istart = cal.find("NAME(")
if istart != -1:
istop = cal.find(")")
name = cal[5:istop]
if names.count(name) == 0:
names.append(name)
names.sort()
# Print response name
if self.logTerse():
for name in names:
self.log(name+"\n")
self.log("\n")
# Return
return
# ======================== #
# Main routine entry point #
# ======================== #
if __name__ == '__main__':
"""
Dumps calibration database into log file.
"""
# Create instance of application
app = cscaldb(sys.argv)
# Open logfile
app.logFileOpen()
# Execute application
app.execute()