Add cscaldb script.

The cscaldb script extracts all available CTA calibrations from the database.

Add cscaldb script.
The cscaldb script extracts all available CTA calibrations from the database.
Jürgen Knödlseder
1 parent 866897a5
Showing 2 changed files with 211 additions and 2 deletions
scripts/Makefile.am
scripts/cscaldb.py
@@ -4,12 +4,12 @@
 binscripts = cta_kb_bkgrates.py cta_root2irf.py cta_make_nodes.py
  
 # Scripts to be distributed in pythondir
-pythonscripts = cspull.py cssens.py cstsdist.py \
+pythonscripts = cspull.py cssens.py cstsdist.py cscaldb.py \
                 obsutils.py \
                 lsmodel.py
  
 # Scripts for which symbolic links will be created in bindir
-linkscripts = cspull cssens cstsdist \
+linkscripts = cspull cssens cstsdist cscaldb \
               lsmodel
  
 # Distribute scripts
+#! /usr/bin/env python
+# ==========================================================================
+# This script dumps all available calibrations into the console.
+#
+# Copyright (C) 2014 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 sys
+import glob
+import os
+
+
+# ============ #
+# cspull class #
+# ============ #
+class cscaldb(gammalib.GApplication):
+    """
+    This class implements the pull distribution generation script. It derives
+    from the GammaLib::GApplication 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 = "0.1.0"
+        
+        # Make sure that parfile exists
+        file = self.parfile()
+
+        # Initialise application
+        if len(argv) == 0:
+            gammalib.GApplication.__init__(self, self.name, self.version)
+        elif len(argv) ==1:
+            gammalib.GApplication.__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("Calibration: "+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()
+    
 \ No newline at end of file