#! /usr/bin/env mpscript
# 
# This script runs the requested scan from the specified scan database.
#

import MpScan

def main( record_list, argv ):

        if ( len(argv) != 2 ):
                print( "" )
                print( "Usage:  mp_scan scan_name scan_datafile" )
                print( "" )
                sys.exit(1);

        scan_name = argv[0]
        scan_database = argv[1]

        # Load the scan database.

        MpScan.load_scans( record_list, scan_database, 1 )

        Mp.info( "Scan database '%s' successfully read." % ( scan_database ) )

        # Find the individual scan.

        scan = record_list.get_record( scan_name )

        # Run the scan.  Catch exceptions so that the scan database will
        # be updated even if the scan aborts.

        Mp.info( "Starting scan '%s'." % ( scan_name ) )

        try:
                scan.perform_scan()
        except:
                pass

        # Update the scan database so that any changes in datafile names
        # are preserved.

        MpScan.save_scans( record_list, scan_database )

        Mp.info( "Scan database '%s' successfully updated." % ( scan_database ))