Ejemplo n.º 1
0
 def __call__(self, parser, namespace, values, option_string):
     colour.cprint("Available Diagnostics:", \
                     bold=True, underline=True) 
     descwrapper = textwrap.TextWrapper(initial_indent="    ", 
                             subsequent_indent="    ")
     for key in sorted(diagnostics.registered_diagnostics):
         diagcls = diagnostics.get_diagnostic_class(key)
         wrapper = textwrap.TextWrapper(subsequent_indent=" "*(len(key)+4))
         print "%s -- %s" % (colour.cstring(key, bold=True), 
                                 wrapper.fill(diagcls.name))
         if diagcls.description is not None:
             print descwrapper.fill(diagcls.description)
     sys.exit(1)
Ejemplo n.º 2
0
def diagnose_rawfile(rawfile_id, diagnostic, value=None, existdb=None):
    """Diagnose a rawfile (specified by its ID number).

        Inputs:
            rawfile_id: The ID number of the rawfile to diagnose.
            diagnostic: The name of the diagnostic.
            value: The value of the diagnostic.
                    - If the value provided is None, try to compute 
                        a pre-defined diagnostic. 
                    - If the value provided is a string, assume it 
                        is a plot-diagnostic. 
                    - If the value provided is a floating-point 
                        number, assume it is a numeric-diagnostic.
            existdb: An (optional) existing database connection object.
                (Default: Establish a db connection)
        
        Outputs:
            diag: The Diagnostic object.
    """
    db = existdb or database.Database()
    db.connect()
    
    fn = utils.get_rawfile_from_id(rawfile_id, existdb=db)
    if value is None:
        # Pre-defined diagnostic
        diagcls = diagnostics.get_diagnostic_class(diagnostic)
        # Pre-check if a diagnostic with this name already exists for
        # the rawfile provided
        check_rawfile_diagnostic_existence(rawfile_id, diagcls.name, \
                                            existdb=db)
        diag = diagcls(fn)
    elif type(value) == types.FloatType:
        # Numeric diagnostic
        notify.print_info("Custom floating-point rawfile diagnostic provided", 2)
        diag = diagnostics.get_custom_float_diagnostic(fn, diagnostic, \
                                        value)
    else:
        # Plot diagnostic
        notify.print_info("Custom rawfile diagnostic plot provided", 2)
        diag = diagnostics.get_custom_diagnostic_plot(fn, diagnostic, \
                                        value)
    if existdb is None:
        db.close()
    return diag
Ejemplo n.º 3
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)
Ejemplo n.º 4
0
def populate_rawfiles_table(db, archivefn, params):
    # md5sum helper function in utils 
    md5 = datafile.get_md5sum(archivefn)
    path, fn = os.path.split(os.path.abspath(archivefn))
    size = os.path.getsize(archivefn)  # File size in bytes

    trans = db.begin()
    # Does this file exist already?
    select = db.select([db.rawfiles.c.rawfile_id,
                        db.rawfiles.c.pulsar_id]).\
                where(db.rawfiles.c.md5sum == md5)
    result = db.execute(select)
    rows = result.fetchall()
    result.close()
    if len(rows) > 1:
        trans.rollback()
        raise errors.InconsistentDatabaseError("There are %d rawfiles "
                                               "with MD5 (%s) in the "
                                               "database already" %
                                               (len(rows), md5))
    elif len(rows) == 1:
        rawfile_id = rows[0]['rawfile_id']
        psr_id = rows[0]['pulsar_id']
        if psr_id == params['pulsar_id']:
            warnings.warn("A rawfile with this MD5 (%s) already exists "
                          "in the DB for this pulsar (ID: %d). "
                          "The file will not be re-registed into the DB. "
                          "Doing nothing..." % (md5, psr_id),
                          errors.ToasterWarning)
            trans.commit()
            return rawfile_id
        else:
            trans.rollback()
            raise errors.InconsistentDatabaseError("A rawfile with this "
                                                   "MD5 (%s) already exists "
                                                   "in the DB, but for "
                                                   "a different pulsar "
                                                   "(ID: %d)!" %
                                                   (md5, psr_id))
    else:
        notify.print_info("Inserting rawfile (%s) into DB." % fn, 3)
        # Based on its MD5, this rawfile doesn't already 
        # exist in the DB. Insert it.

        # Insert the file
        ins = db.rawfiles.insert()
        values = {'md5sum': md5,
                  'filename': fn,
                  'filepath': path,
                  'filesize': size,
                  'coord': '%s,%s' % (params['ra'], params['dec'])}
        values.update(params)
        result = db.execute(ins, values)
        rawfile_id = result.inserted_primary_key[0]
        result.close()

        # Create rawfile diagnostics
        diags = []
        for diagname in config.cfg.default_rawfile_diagnostics:
            diagcls = diagnostics.get_diagnostic_class(diagname)
            try:
                diags.append(diagcls(archivefn))
            except errors.DiagnosticNotApplicable, e:
                notify.print_info("Diagnostic isn't applicable: %s. "
                                  "Skipping..." % str(e), 1)
        if diags:
            # Load processing diagnostics
            diagnose_rawfile.insert_rawfile_diagnostics(rawfile_id, diags,
                                                        existdb=db)