Ejemplo n.º 1
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 def CreateCoherentStokes(self, otdb_id, storage_properties, project_name):
     SB_nr = 0
     locations = []
     filenames = []
     result = {}
     nr_stokes = storage_properties['nr_of_cs_stokes']
     for sap in storage_properties["saps"]:  ##We might need to sort saps?
         if "nr_of_cs_files" in sap['properties']:
             nr_files = sap['properties']['nr_of_cs_files']
             nr_tabs = sap['properties']['nr_of_tabs']
             nr_parts = int(ceil(nr_files / float(nr_tabs * nr_stokes)))
             for tab in xrange(nr_tabs):
                 for stokes in xrange(nr_stokes):
                     for part in xrange(nr_parts):
                         locations.append(
                             self.locationPath(project_name, otdb_id))
                         filenames.append(
                             "L%d_SAP%03d_B%03d_S%d_P%03d_bf.h5" %
                             (otdb_id, sap['sap_nr'], tab, stokes, part))
     result[
         PREFIX +
         'DataProducts.Output_CoherentStokes.locations'] = '[' + to_csv_string(
             locations) + ']'
     result[
         PREFIX +
         'DataProducts.Output_CoherentStokes.filenames'] = '[' + to_csv_string(
             filenames) + ']'
     return result
Ejemplo n.º 2
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    def CreateSkyImage(self, storage_property_list, cluster, project_name,
                       io_type):
        sbg_nr = 0
        locations = []
        filenames = []
        skip = []
        result = {}

        for prop in storage_property_list:
            if 'nr_of_img_files' not in prop:
                continue

            otdb_id = prop['img_otdb_id']
            for _ in range(prop['nr_of_img_files']):
                locations.append(
                    self.locationPath(cluster, project_name, otdb_id,
                                      prop['resource_name']) + '/img')
                filenames.append("L%d_SBG%03d_sky.IM" % (otdb_id, sbg_nr))
                skip.append("0")
                sbg_nr += 1

        if not locations:
            return result

        result[PREFIX + 'DataProducts.%s_SkyImage.locations' %
               (io_type)] = '[' + to_csv_string(locations) + ']'
        result[PREFIX + 'DataProducts.%s_SkyImage.filenames' %
               (io_type)] = '[' + to_csv_string(filenames) + ']'
        result[PREFIX + 'DataProducts.%s_SkyImage.skip' %
               (io_type)] = '[' + to_csv_string(skip) + ']'
        return result
Ejemplo n.º 3
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    def CreatePulsarPipeline(self, storage_property_list, cluster,
                             project_name, io_type):
        p_nr = 0
        locations = []
        filenames = []
        skip = []
        result = {}

        for prop in storage_property_list:
            if 'nr_of_pulp_files' not in prop:
                continue

            otdb_id = prop['pulp_otdb_id']
            for _ in range(prop['nr_of_pulp_files']):
                locations.append(
                    self.locationPath(cluster, project_name, otdb_id,
                                      prop['resource_name']) + '/pulp')
                filenames.append("L%d_P%03d_pulp.tgz" % (otdb_id, p_nr))
                skip.append("0")
                p_nr += 1

        if not locations:
            return result

        result[PREFIX + 'DataProducts.%s_Pulsar.locations' %
               (io_type)] = '[' + to_csv_string(locations) + ']'
        result[PREFIX + 'DataProducts.%s_Pulsar.filenames' %
               (io_type)] = '[' + to_csv_string(filenames) + ']'
        result[PREFIX + 'DataProducts.%s_Pulsar.skip' %
               (io_type)] = '[' + to_csv_string(skip) + ']'
        return result
Ejemplo n.º 4
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 def CreatePulsarPipeline(self, otdb_id, storage_properties, project_name):
     SB_nr = 0
     locations = []
     filenames = []
     result = {}
     for sap in storage_properties["saps"]: ##We might need to sort saps?
         if "nr_of_uv_files" in sap['properties']:
             for _ in range(sap['properties']['nr_of_pulp_files']):
                 locations.append(self.locationPath(project_name, otdb_id))
                 filenames.append("L%d_SAP%03d_SB%03d_bf.h5" % (otdb_id, sap['sap_nr'], sb_nr))
     result[PREFIX + 'DataProducts.Output_Pulsar.locations'] = '[' + to_csv_string(locations) + ']'
     result[PREFIX + 'DataProducts.Output_Pulsar.filenames'] = '[' + to_csv_string(filenames) + ']'
     return result
Ejemplo n.º 5
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 def CreateCorrelated(self, otdb_id, storage_properties, project_name):
     sb_nr = 0
     locations = []
     filenames = []
     result = {}
     for sap in storage_properties["saps"]: ##We might need to sort saps?
         logging.debug('processing sap: %s' % sap)
         if "nr_of_uv_files" in sap['properties']:
             for _ in xrange(sap['properties']['nr_of_uv_files']):
                 locations.append(self.locationPath(project_name, otdb_id))
                 filenames.append("L%d_SAP%03d_SB%03d_uv.MS" % (otdb_id, sap['sap_nr'], sb_nr))
                 sb_nr += 1
     result[PREFIX + 'DataProducts.Output_Correlated.locations'] = '[' + to_csv_string(locations) + ']'
     result[PREFIX + 'DataProducts.Output_Correlated.filenames'] = '[' + to_csv_string(filenames) + ']'
     return result
Ejemplo n.º 6
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 def CreatePulsarPipeline(self, otdb_id, storage_properties, project_name):
     SB_nr = 0
     locations = []
     filenames = []
     result = {}
     for sap in storage_properties["saps"]:  ##We might need to sort saps?
         if "nr_of_uv_files" in sap['properties']:
             for _ in range(sap['properties']['nr_of_pulp_files']):
                 locations.append(self.locationPath(project_name, otdb_id))
                 filenames.append("L%d_SAP%03d_SB%03d_bf.h5" %
                                  (otdb_id, sap['sap_nr'], sb_nr))
     result[PREFIX +
            'DataProducts.Output_Pulsar.locations'] = '[' + to_csv_string(
                locations) + ']'
     result[PREFIX +
            'DataProducts.Output_Pulsar.filenames'] = '[' + to_csv_string(
                filenames) + ']'
     return result
Ejemplo n.º 7
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 def CreateIncoherentStokes(self, otdb_id, storage_properties, project_name):
     SB_nr = 0
     locations = []
     filenames = []
     result = {}
     nr_stokes = storage_properties['nr_of_is_stokes']
     for sap in storage_properties["saps"]: ##We might need to sort saps?
         if "nr_of_is_files" in sap['properties']:
             nr_files = sap['properties']['nr_of_is_files']
             nr_tabs  = sap['properties']['nr_of_tabs']
             nr_parts = int(ceil(nr_files/float(nr_tabs * nr_stokes)))
             for tab in xrange(nr_tabs):
                 for stokes in xrange(nr_stokes):
                     for part in xrange(nr_parts):
                         locations.append(self.locationPath(project_name, otdb_id))
                         filenames.append("L%d_SAP%03d_B%03d_S%d_P%03d_bf.h5" % (otdb_id, sap['sap_nr'], tab, stokes, part))
     result[PREFIX + 'DataProducts.Output_IncoherentStokes.locations'] = '[' + to_csv_string(locations) + ']'
     result[PREFIX + 'DataProducts.Output_IncoherentStokes.filenames'] = '[' + to_csv_string(filenames) + ']'
     return result
Ejemplo n.º 8
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 def CreateCorrelated(self, otdb_id, storage_properties, project_name):
     sb_nr = 0
     locations = []
     filenames = []
     result = {}
     for sap in storage_properties["saps"]:  ##We might need to sort saps?
         logging.debug('processing sap: %s' % sap)
         if "nr_of_uv_files" in sap['properties']:
             for _ in xrange(sap['properties']['nr_of_uv_files']):
                 locations.append(self.locationPath(project_name, otdb_id))
                 filenames.append("L%d_SAP%03d_SB%03d_uv.MS" %
                                  (otdb_id, sap['sap_nr'], sb_nr))
                 sb_nr += 1
     result[
         PREFIX +
         'DataProducts.Output_Correlated.locations'] = '[' + to_csv_string(
             locations) + ']'
     result[
         PREFIX +
         'DataProducts.Output_Correlated.filenames'] = '[' + to_csv_string(
             filenames) + ']'
     return result
Ejemplo n.º 9
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    def CreateInstrumentModel(self,
                              storage_property_list,
                              cluster,
                              project_name,
                              io_type,
                              sb_nr=0):
        locations = []
        filenames = []
        skip = []
        result = {}

        for prop in storage_property_list:
            if 'nr_of_im_files' not in prop:
                continue
            if 'start_sb_nr' in prop:
                sb_nr = prop['start_sb_nr']

            otdb_id = prop['im_otdb_id']
            for _ in range(prop['nr_of_im_files']):
                locations.append(
                    self.locationPath(cluster, project_name, otdb_id,
                                      prop['resource_name']) + '/im')
                filenames.append("L%d_SB%03d_inst.INST" % (otdb_id, sb_nr))
                skip.append("0")
                sb_nr += 1

        if not locations:
            return result

        result[PREFIX + 'DataProducts.%s_InstrumentModel.locations' %
               (io_type)] = '[' + to_csv_string(locations) + ']'
        result[PREFIX + 'DataProducts.%s_InstrumentModel.filenames' %
               (io_type)] = '[' + to_csv_string(filenames) + ']'
        result[PREFIX + 'DataProducts.%s_InstrumentModel.skip' %
               (io_type)] = '[' + to_csv_string(skip) + ']'
        return result
Ejemplo n.º 10
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    def CreateIncoherentStokes(self, storage_property_list, cluster,
                               project_name, io_type):
        result = {}

        max_is_sap_nr = -1
        total_nr_files = 0
        next_tab_part_nrs_per_sap = []  # subband list is per sap
        locations_per_sap = [
        ]  # contains a list of tab parts per sap; there can be max 1 IS tab per SAP
        filenames_per_sap = []  # idem
        skip = []

        for prop in storage_property_list:
            if 'saps' not in prop:
                continue

            for sap in prop['saps']:
                if 'nr_of_is_files' not in sap['properties'] or sap[
                        'properties']['nr_of_is_files'] < 1:
                    continue
                sap_nr = sap['sap_nr']
                if sap_nr > max_is_sap_nr:
                    added_sap_nrs = sap_nr - max_is_sap_nr  # assumes max_is_sap_nr init to -1
                    max_is_sap_nr = sap_nr
                    next_tab_part_nrs_per_sap.extend([0] * added_sap_nrs)
                    locations_per_sap.extend(
                        [[]] * added_sap_nrs
                    )  # list of parts per sap (max 1 IS tab per sap)
                    filenames_per_sap.extend([[]] * added_sap_nrs)  # idem

                otdb_id = sap['properties']['is_otdb_id']

                # Stokes (IQUV) always come together in a claim, but we must match COBALT's filename order,
                # which is parts within stokes. We don't yet know the total nr of files.
                # First, do stokes within parts, then later reorder when we have all names.
                # NOTE: nr_is_stokes must be the same in all SAPs with an IS TAB, see reordering code below.
                nr_is_stokes = int(sap['properties']['nr_of_is_stokes'])
                nr_parts = int(sap['properties']['nr_of_is_files'] /
                               nr_is_stokes)  # in this prop's claim!
                next_part_nr = next_tab_part_nrs_per_sap[sap_nr]
                for part_nr in range(next_part_nr, next_part_nr + nr_parts):
                    for stokes_nr in range(nr_is_stokes):
                        locations_per_sap[sap_nr].append(
                            self.locationPath(cluster, project_name, otdb_id,
                                              prop['resource_name']) + '/is')
                        filenames_per_sap[sap_nr].append("L%d_SAP%03d_B%03d_S%d_P%03d_bf.h5" % \
                                (otdb_id, sap_nr, sap['properties']['is_tab_nr'], stokes_nr, part_nr))
                        skip.append("0")  # what's this for?
                next_tab_part_nrs_per_sap[sap_nr] += nr_parts
                total_nr_files += nr_parts * nr_is_stokes

        if max_is_sap_nr == -1:
            return result

        logger.info('CreateIncoherentStokes: total_nr_files = %d',
                    total_nr_files)

        # Concat lists in locations_per_sap and in filenames_per_sap, and reorder parts and stokes dims.
        # NOTE: nr_is_stokes is set in a SAP above. Though given per SAP, the reordering here assumes it is the same in all SAPs with an IS TAB!
        locations = [None] * total_nr_files
        filenames = [None] * total_nr_files
        file_nr = 0
        for sap_nr in range(max_is_sap_nr + 1):
            nr_parts = next_tab_part_nrs_per_sap[sap_nr]
            for part_nr in range(nr_parts):
                for stokes_nr in range(nr_is_stokes):
                    locations[file_nr + stokes_nr * nr_parts +
                              part_nr] = locations_per_sap[sap_nr][
                                  nr_is_stokes * part_nr + stokes_nr]
                    filenames[file_nr + stokes_nr * nr_parts +
                              part_nr] = filenames_per_sap[sap_nr][
                                  nr_is_stokes * part_nr + stokes_nr]
            file_nr += nr_parts * nr_is_stokes

        if None in locations:
            logger.error('CreateIncoherentStokes: None in locations = %s',
                         locations)
        if None in filenames:
            logger.error('CreateIncoherentStokes: None in filenames = %s',
                         filenames)
        assert None not in locations and None not in filenames, 'CreateIncoherentStokes: skipping obs parset filenames: None in locations and/or filenames'

        result[PREFIX + 'DataProducts.%s_IncoherentStokes.locations' %
               (io_type)] = '[' + to_csv_string(locations) + ']'
        result[PREFIX + 'DataProducts.%s_IncoherentStokes.filenames' %
               (io_type)] = '[' + to_csv_string(filenames) + ']'
        result[PREFIX + 'DataProducts.%s_IncoherentStokes.skip' %
               (io_type)] = '[' + to_csv_string(skip) + ']'
        return result
Ejemplo n.º 11
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    def CreateCoherentStokes(self, storage_property_list, cluster,
                             project_name, io_type):
        result = {}

        max_cs_sap_nr = -1
        total_nr_files = 0
        next_tab_part_nrs_per_sap = []  # subband list is per sap
        nr_parts_per_tab_per_sap = []
        is_tab_nrs_per_sap = [
        ]  # not all saps have an incoherent stokes ('is') tab
        locations_per_sap = []  # contains a list of tab parts per sap
        filenames_per_sap = []  # idem
        skip = []

        for prop in storage_property_list:
            if 'saps' not in prop:
                continue

            for sap in prop['saps']:
                if 'nr_of_cs_files' not in sap['properties'] or sap[
                        'properties']['nr_of_cs_files'] < 1:
                    continue
                sap_nr = sap['sap_nr']
                if sap_nr > max_cs_sap_nr:
                    added_sap_nrs = sap_nr - max_cs_sap_nr  # assumes max_cs_sap_nr init to -1
                    max_cs_sap_nr = sap_nr
                    next_tab_part_nrs_per_sap.extend([0] * added_sap_nrs)
                    nr_parts_per_tab_per_sap.extend([0] * added_sap_nrs)
                    is_tab_nrs_per_sap.extend([-1] * added_sap_nrs)
                    locations_per_sap.extend(
                        [[]] * added_sap_nrs
                    )  # list of tabs (each with parts) per sap
                    filenames_per_sap.extend([[]] * added_sap_nrs)  # idem

                if nr_parts_per_tab_per_sap[
                        sap_nr] == 0:  # be robust to out of order sap nrs
                    nr_parts_per_tab_per_sap[sap_nr] = sap['properties'][
                        'nr_of_cs_parts']  # regardless of claim size
                if 'is_tab_nr' in sap['properties']:
                    is_tab_nrs_per_sap[sap_nr] = sap['properties']['is_tab_nr']

                otdb_id = sap['properties']['cs_otdb_id']

                # Stokes (IQUV/XXYY) always come together in a claim, but we must match COBALT's filename order,
                # which is parts within stokes. We don't yet know the total nr of files.
                # First, do stokes within parts, then later reorder when we have all names.
                # The tab nr dim must be and remain the outer dim, even though it's sliced from the parts dim.
                # NOTE: nr_cs_stokes must be the same in all SAPs with CS TABs, see reordering code below.
                nr_cs_stokes = sap['properties'][
                    'nr_of_cs_stokes']  # the 'cs_stokes' term here can also mean cv XXYY
                nr_parts = int(sap['properties']['nr_of_cs_files'] /
                               nr_cs_stokes)  # in this prop's claim!
                nparts_tab = nr_parts_per_tab_per_sap[
                    sap_nr]  # alias for readability; this is also per stokes
                while nr_parts > 0:
                    tab_nr = int(next_tab_part_nrs_per_sap[sap_nr] /
                                 nparts_tab)
                    tab_part_nr = int(next_tab_part_nrs_per_sap[sap_nr] %
                                      nparts_tab)
                    nparts_remain = min(
                        nr_parts, nparts_tab - tab_part_nr
                    )  # nr parts left before we go to the next tab

                    if is_tab_nrs_per_sap[
                            sap_nr] != -1 and tab_nr >= is_tab_nrs_per_sap[
                                sap_nr]:
                        tab_nr += 1  # skip IS tab nr
                    for part_nr in range(tab_part_nr,
                                         tab_part_nr + nparts_remain):
                        for stokes_nr in range(nr_cs_stokes):
                            locations_per_sap[sap_nr].append(
                                self.locationPath(
                                    cluster, project_name, otdb_id,
                                    prop['resource_name']) + '/cs')
                            filenames_per_sap[sap_nr].append("L%d_SAP%03d_B%03d_S%d_P%03d_bf.h5" % \
                                    (otdb_id, sap_nr, tab_nr, stokes_nr, part_nr))
                            skip.append("0")  # what's this for?

                    next_tab_part_nrs_per_sap[sap_nr] += nparts_remain
                    total_nr_files += nparts_remain * nr_cs_stokes
                    nr_parts -= nparts_remain

        if max_cs_sap_nr == -1:
            return result

        logger.info('CreateCoherentStokes: total_nr_files = %d',
                    total_nr_files)

        # Reorder parts and stokes dims, then concat lists in locations_per_sap and in filenames_per_sap
        # NOTE: nr_cs_stokes is set in a SAP above. Though given per SAP, the reordering here assumes it is the same in all SAPs with CS TABs!
        locations2_per_sap = [[]] * len(locations_per_sap)
        filenames2_per_sap = [[]] * len(filenames_per_sap)
        for sap_nr in range(max_cs_sap_nr + 1):
            locations2_per_sap[sap_nr] = [None] * len(
                locations_per_sap[sap_nr])
            filenames2_per_sap[sap_nr] = [None] * len(
                filenames_per_sap[sap_nr])

            nr_parts = nr_parts_per_tab_per_sap[sap_nr]
            nr_tabs = int(
                len(locations_per_sap[sap_nr]) / (nr_cs_stokes * nr_parts))
            for tab_nr in range(nr_tabs):
                for part_nr in range(nr_parts):
                    for stokes_nr in range(nr_cs_stokes):
                        locations2_per_sap[sap_nr][tab_nr * nr_parts * nr_cs_stokes + stokes_nr * nr_parts + part_nr] = \
                         locations_per_sap[sap_nr][tab_nr * nr_parts * nr_cs_stokes + part_nr * nr_cs_stokes + stokes_nr]
                        filenames2_per_sap[sap_nr][tab_nr * nr_parts * nr_cs_stokes + stokes_nr * nr_parts + part_nr] = \
                         filenames_per_sap[sap_nr][tab_nr * nr_parts * nr_cs_stokes + part_nr * nr_cs_stokes + stokes_nr]

        locations = []
        filenames = []
        for i in range(len(locations_per_sap)):
            locations.extend(locations2_per_sap[i])
            filenames.extend(filenames2_per_sap[i])

        if None in locations:
            logger.error('CreateCoherentStokes: None in locations = %s',
                         locations)
        if None in filenames:
            logger.error('CreateCoherentStokes: None in filenames = %s',
                         filenames)
        assert None not in locations and None not in filenames, 'CreateCoherentStokes: skipping obs parset filenames: None in locations and/or filenames'

        result[PREFIX + 'DataProducts.%s_CoherentStokes.locations' %
               (io_type)] = '[' + to_csv_string(locations) + ']'
        result[PREFIX + 'DataProducts.%s_CoherentStokes.filenames' %
               (io_type)] = '[' + to_csv_string(filenames) + ']'
        result[PREFIX + 'DataProducts.%s_CoherentStokes.skip' %
               (io_type)] = '[' + to_csv_string(skip) + ']'
        return result
Ejemplo n.º 12
0
    def CreateCorrelated(self, storage_property_list, cluster, project_name,
                         io_type):
        result = {}

        # Split storage_property_list in items wrt observation and wrt pipeline.
        total_nr_files = 0
        obs_max_uv_sap_nr = -1
        obs_next_sb_nrs_per_sap = []
        obs_locations = [
            None
        ] * 1024  # the easy way and 1024 is enough even in 4 bit mode
        obs_filenames = [None] * 1024  # idem
        obs_skip = []
        pipeline_storage_props = []

        for prop in storage_property_list:
            if 'saps' not in prop:  ## It's a pipeline (no SAPs)
                pipeline_storage_props.append(prop)
                continue

            ## It's an observation (or pipeline input from an observation)
            for sap in prop['saps']:
                if 'nr_of_uv_files' not in sap['properties'] or sap[
                        'properties']['nr_of_uv_files'] < 1:
                    continue
                sap_nr = sap['sap_nr']
                if sap_nr > obs_max_uv_sap_nr:
                    added_sap_nrs = sap_nr - obs_max_uv_sap_nr  # assumes obs_max_uv_sap_nr: init to -1
                    obs_max_uv_sap_nr = sap_nr
                    obs_next_sb_nrs_per_sap.extend([-1] * added_sap_nrs)

                if obs_next_sb_nrs_per_sap[
                        sap_nr] == -1:  # be robust to out of order sap nrs
                    obs_next_sb_nrs_per_sap[sap_nr] = sap['properties'][
                        'start_sb_nr']

                otdb_id = sap['properties']['uv_otdb_id']

                next_sb_nr = obs_next_sb_nrs_per_sap[sap_nr]
                for sb_nr in range(
                        next_sb_nr,
                        next_sb_nr + sap['properties']['nr_of_uv_files']):
                    obs_locations[sb_nr] = self.locationPath(
                        cluster, project_name, otdb_id,
                        prop['resource_name']) + '/uv'
                    obs_filenames[sb_nr] = "L%d_SAP%03d_SB%03d_uv.MS" % (
                        otdb_id, sap_nr, sb_nr)
                    obs_skip.append("0")  # what's this for?
                    total_nr_files += 1
                obs_next_sb_nrs_per_sap[sap_nr] = sb_nr + 1

        if obs_max_uv_sap_nr >= 0:
            assert total_nr_files != 0, 'CreateCorrelated: skipping obs parset filenames: total_nr_files = %d' % total_nr_files
            logger.info('CreateCorrelated: total_nr_files = %d',
                        total_nr_files)

            obs_locations = [loc for loc in obs_locations
                             if loc is not None]  # strip unused init values
            obs_filenames = [fn for fn in obs_filenames
                             if fn is not None]  # idem
            if len(obs_locations) != total_nr_files or len(
                    obs_filenames) != total_nr_files:
                # If the total nr_of_uv_files in a SAP does not correspond to the start_sb_nr
                # props of this and the next SAP, entries have been overwritten. Bail in that case.
                logger.error(
                    'CreateCorrelated: skipping obs parset filenames: len(obs_locations) = %d and/or len(obs_filenames) = %d not equal to total_nr_files = %d',
                    len(obs_locations), len(obs_filenames), total_nr_files)
                raise ValueError(
                    'CreateCorrelated: skipping obs parset filenames: unexpected nr of locations and/or filenames vs total_nr_files'
                )

            result[PREFIX + 'DataProducts.%s_Correlated.locations' %
                   (io_type)] = '[' + to_csv_string(obs_locations) + ']'
            result[PREFIX + 'DataProducts.%s_Correlated.filenames' %
                   (io_type)] = '[' + to_csv_string(obs_filenames) + ']'
            result[PREFIX + 'DataProducts.%s_Correlated.skip' %
                   (io_type)] = '[' + to_csv_string(obs_skip) + ']'

        # Pipeline (output, or input from another pipeline)
        locations = []
        filenames = []
        skip = []
        sb_nr = 0

        for prop in pipeline_storage_props:
            if 'nr_of_uv_files' not in prop:
                continue
            if 'start_sb_nr' in prop:
                sb_nr = prop['start_sb_nr']
                filename_template = "L%d_SB%03d_uv.MS"
            elif 'start_sbg_nr' in prop:  #Right now we're assuming this doesn't happen on raw data!
                sb_nr = prop['start_sbg_nr']
                filename_template = "L%d_SBG%03d_uv.MS"

            otdb_id = prop['uv_otdb_id']
            for _ in range(prop['nr_of_uv_files']):
                locations.append(
                    self.locationPath(cluster, project_name, otdb_id,
                                      prop['resource_name']) + '/uv')
                filenames.append(filename_template % (otdb_id, sb_nr))
                skip.append("0")
                sb_nr += 1

        if sb_nr == 0:
            return result

        result[PREFIX + 'DataProducts.%s_Correlated.locations' %
               (io_type)] = '[' + to_csv_string(locations) + ']'
        result[PREFIX + 'DataProducts.%s_Correlated.filenames' %
               (io_type)] = '[' + to_csv_string(filenames) + ']'
        result[PREFIX + 'DataProducts.%s_Correlated.skip' %
               (io_type)] = '[' + to_csv_string(skip) + ']'
        return result