Exemple #1
0
def main(args):
    # Establish a DB connection
    db = database.Database()
    db.connect()

    trans = db.begin()
    try:
        template = general.get_template_from_id(args.template_id, existdb=db)
        # First remove the template entry from the DB
        remove_template_entry(args.template_id)
        # Now deal with the template itself
        if args.action == "leave":
            # Do nothing
            pass
        elif args.action == "move":
            if not args.dest:
                raise errors.BadInputError("Destination must be provided " "when moving template.")
            notify.print_info("Moving template %s to %s" % (template, args.dest))
            shutil.move(template, args.dest)
        elif args.action == "delete":
            notify.print_info("Deleting template %s" % template)
            os.remove(template)
        else:
            raise errors.UnrecognizedValueError("The action provided (%s) " "is not recognized." % args.action)
    except:
        trans.rollback()
        raise
    else:
        trans.commit()
    finally:
        db.close()
Exemple #2
0
def pipeline_core(manip, rawfile_id, parfile_id, template_id,
                  existdb=None):
    """Run a prepared manipulator function on the raw file with 
        ID 'rawfile_id'. Then generate TOAs and load them into the DB.

        Inputs:
            manip: A manipulator instance.
            rawfile_id: The ID number of the raw data file to generate TOAs from.
            parfile_id: The ID number of the parfile to install into the
                raw file. If this is None, then no new parfile will be installed.
            template_id: The ID number of the template to use.
            existdb: An existing database connection object.
                (Default: establish a new DB connection)

        Outputs:
            None
    """
    # Initialise these so the 'finally' clause doesn't throw an exception of
    # it's own if an error is caught before these filenames are determined
    manipfn = ''
    adjustfn = ''

    #Start pipeline
    print "###################################################"
    print "Starting to toast data"
    print "Start time: %s" % utils.give_utc_now()
    print "###################################################"
    
    db = existdb or database.Database()
    db.connect()

    try:
        trans = db.begin()  # Open a transaction

        # Get version ID
        version_id = version.get_version_id(db)
        # Get raw data from rawfile_id and verify MD5SUM
        rawfile = rawfiles_general.get_rawfile_from_id(rawfile_id,
                                                       db, verify_md5=True)
        
        # Manipulate the raw file
        notify.print_info("Manipulating file", 1)
        # Create a temporary file for the adjusted results
        tmpfile, adjustfn = tempfile.mkstemp(prefix='toaster_tmp',
                                             suffix='_newephem.ar',
                                             dir=config.cfg.base_tmp_dir)
        os.close(tmpfile)
        shutil.copy(rawfile, adjustfn)
        
        if parfile_id is not None:
            # Re-install ephemeris
            # Get ephemeris from parfile_id and verify MD5SUM
            parfile = parfiles_general.get_parfile_from_id(parfile_id,
                                                           db, verify_md5=True)
  
            cmd = ["pam", "-m", "-E", parfile, "--update_dm", adjustfn]
            utils.execute(cmd)
        
        # Create a temporary file for the manipulated results
        tmpfile, manipfn = tempfile.mkstemp(prefix='toaster_tmp',
                                            suffix='_manip.ar',
                                            dir=config.cfg.base_tmp_dir)
        os.close(tmpfile)
        # Run the manipulator
        manip.run([adjustfn], manipfn, tmpdir=config.cfg.base_tmp_dir)
 
        # Get template from template_id and verify MD5SUM
        template = templates_general.get_template_from_id(template_id,
                                                          db, verify_md5=True)
        
        # Create a temporary file for the toa diagnostic plots
        tmpfile, toadiagfn = tempfile.mkstemp(prefix='toaster_tmp',
                                              suffix='_TOAdiag.png',
                                              dir=config.cfg.base_tmp_dir)
        os.close(tmpfile)
        # Generate TOAs with pat
        notify.print_info("Computing TOAs", 0)
        cmd = ["pat", "-f", "tempo2", "-A", config.cfg.toa_fitting_method,
               "-s", template, "-C",  "gof length bw nbin nchan nsubint",
               "-t", "-K", "%s/PNG" % toadiagfn, manipfn]
        patout, paterr = utils.execute(cmd)

        # Check version ID is still the same. Just in case.
        new_version_id = version.get_version_id(db)
        if version_id != new_version_id:
            raise errors.ToasterError("Weird... Version ID at the start "
                                      "of processing (%s) is different "
                                      "from at the end (%d)!" %
                                      (version_id, new_version_id))
        
        # Read some header values from the manipulated archive
        hdr = datafile.get_header_vals(manipfn, ['nchan', 'nsub', 'name',
                                                 'intmjd', 'fracmjd'])
        hdr['secs'] = int(hdr['fracmjd']*24*3600+0.5)  # Add 0.5 so result is
                                                       # rounded to nearest int
 
        # Fill pipeline table
        cmdline = " ".join(sys.argv)
        process_id = fill_process_table(version_id, rawfile_id, parfile_id,
                                        template_id, manip, hdr['nchan'],
                                        hdr['nsub'], db)
        
        # Parse pat output
        toainfo = toas_general.parse_pat_output(patout)

        rawfile_info = rawfiles_general.get_rawfile_info(rawfile_id)
        # Insert TOAs into DB
        for ti in toainfo:
            ti['process_id'] = process_id
            ti['template_id'] = template_id
            ti['rawfile_id'] = rawfile_id
            ti['pulsar_id'] = rawfile_info['pulsar_id']
            ti['obssystem_id'] = rawfile_info['obssystem_id']
        toa_ids = load_toa.load_toas(toainfo, db)
                 
        # Create processing diagnostics
        notify.print_info("Generating processing diagnostics", 1)
        diagdir = make_proc_diagnostics_dir(manipfn, process_id)
        suffix = "_procid%d.%s" % (process_id, manip.name)
        diags = []
        for diagname in config.cfg.default_rawfile_diagnostics:
            diagcls = diagnostics.get_diagnostic_class(diagname)
            try:
                diags.append(diagcls(manipfn))
            except errors.DiagnosticNotApplicable, e:
                notify.print_info("Diagnostic isn't applicable: %s. "
                                  "Skipping..." % str(e), 1)
        if diags:
            # Load processing diagnostics
            diagnose_processing.insert_processing_diagnostics(process_id,
                                                              diags, diagdir,
                                                              suffix, existdb=db)
       
        # Copy TOA diagnostic plots and register them into DB
        basefn = "%(name)s_%(intmjd)05d_%(secs)05d" % hdr

        values = [] 
        for ii, toa_id in enumerate(toa_ids):
            outfn = basefn+"_procid%d.TOA%d.png" % (process_id, ii+1)
            if ii == 0:
                fn = toadiagfn
            else:
                fn = "%s_%d" % (toadiagfn, ii+1)
            shutil.move(fn, os.path.join(diagdir, outfn))
            ins = db.toa_diagnostic_plots.insert()
            values.append({'toa_id': toa_id,
                           'filename': outfn,
                           'filepath': diagdir,
                           'plot_type': 'Prof-Temp Resids'})
        result = db.execute(ins, values)
        result.close()
        notify.print_info("Inserted %d TOA diagnostic plots." % len(toa_ids), 2)