csiactdata.py
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#!/usr/bin/env python
# ==========================================================================
# Inspect an IACT data storage
#
# Copyright (C) 2015-2016 Michael Mayer
#
# 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 os
import json
# ================ #
# csiactdata class #
# ================ #
class csiactdata(ctools.cscript):
"""
Inspect an IACT data storage.
This script inspects the available FITS data storage on the user machine
and writes information about the available FITS configurations into a log
file or prints it on the screen. These information can be used as input
for 'csiactobs'.
"""
# Constructor
def __init__(self, *argv):
"""
Constructor.
"""
# Set name
self._name = "csiactdata"
self._version = "1.1.0"
self._datapath = os.getenv("VHEFITS","")
self._prodnames = []
self._master_indx = ""
self._master_file = ""
# Initialise application by calling the appropriate class
# constructor.
self._init_cscript(argv)
# Return
return
# Private methods
def get_parameters(self):
"""
Get parameters from parfile and setup the observation.
"""
# Get datapath if not already set
if self._datapath == "":
self._datapath = self["datapath"].string()
# Expand environment
self._datapath = gammalib.expand_env(self._datapath)
# Get filename of master index file
self._master_indx = self["master_indx"].string()
self._master_file = os.path.join(self._datapath, self._master_indx)
# Check for presence of master index file
if not os.path.isfile(self._master_file):
raise RuntimeError('Master index file "'+self._master_file+
'" not found. Use hidden parameter '+
'"master_indx" to specifiy a different '+
'filename.')
# Return
return
# Public methods
def run(self):
"""
Run the script.
"""
# Switch screen logging on
self._log.cout(True)
# Get parameters
self._get_parameters()
# Write input parameters into logger
if self._logTerse():
self._log_parameters()
self._log("\n")
self._log("\n")
self._log.header1("Data storage entries")
self._log("\n")
self._log.parformat("Master index file")
self._log(self._master_file)
self._log("\n")
self._log("\n")
# Open and load JSON file
json_data = open(self._master_file).read()
data = json.loads(json_data)
configs = data["datasets"]
# Initialise array for available names
self._prodnames = []
# Loop over configs and display unavailable storage first
for config in configs:
# Create hdu and obs index files
hdu = os.path.join(self._datapath, config["hduindx"])
obs = os.path.join(self._datapath, config["obsindx"])
filename_hdu = gammalib.GFilename(str(hdu)+"[HDU_INDEX]")
filename_obs = gammalib.GFilename(str(obs)+"[OBS_INDEX]")
# Check if index files are available
if not (filename_hdu.is_fits() and filename_obs.is_fits()):
self._log.parformat(str(config["name"]))
self._log("Not available")
self._log("\n")
self._log("\n")
self._log.header2("Available data configs")
# Loop over configs and log available configs
for config in configs:
# Create hdu and obs index files
hdu = os.path.join(self._datapath, config["hduindx"])
obs = os.path.join(self._datapath, config["obsindx"])
filename_hdu = gammalib.GFilename(str(hdu)+"[HDU_INDEX]")
filename_obs = gammalib.GFilename(str(obs)+"[OBS_INDEX]")
# Check if index files are available
if (filename_hdu.is_fits() and filename_obs.is_fits()):
# Log data information
self._log("\n")
self._log.header3(str(config["name"]))
# Print important informations first
self._log.parformat("Name")
self._log(str(config["name"]))
self._log("\n")
self._log.parformat("Observation index")
self._log(str(config["obsindx"]))
self._log("\n")
self._log.parformat("HDU index")
self._log(str(config["hduindx"]))
self._log("\n")
# Append to available names
self._prodnames.append(str(config["name"]))
# Print additional information
for key in config:
if key in ["name","hduindx","obsindx"]:
continue
self._log.parformat(str(key))
self._log(str(config[key]))
self._log("\n")
# Return
return
def execute(self):
"""
Execute the script.
"""
# Open logfile
self.logFileOpen()
# Run the script
self.run()
# Return
return
def names(self):
"""
Return available FITS production names
"""
# Return
return self._prodnames
# ======================== #
# Main routine entry point #
# ======================== #
if __name__ == '__main__':
# Create instance of application
app = csiactdata(sys.argv)
# Execute application
app.execute()