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DM-49505: Strip provenance before stacking catalogs #1060

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Mar 20, 2025
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DM-49505: Strip provenance before stacking catalogs #1060

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10 changes: 10 additions & 0 deletions python/lsst/pipe/tasks/diff_matched_tract_catalog.py
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,7 @@
import lsst.pipe.base as pipeBase
import lsst.pipe.base.connectionTypes as cT
from lsst.skymap import BaseSkyMap
from lsst.daf.butler import DatasetProvenance

import astropy.table
import astropy.units as u
Expand Down Expand Up @@ -338,6 +339,15 @@ def run(
catalog_match_ref = astropy.table.Table.from_pandas(catalog_match_ref)
if is_match_target_pd:
catalog_match_target = astropy.table.Table.from_pandas(catalog_match_target)

# Strip any provenance from tables before merging to prevent
# warnings from conflicts being issued by astropy.utils.merge during
# vstack or hstack calls.
DatasetProvenance.strip_provenance_from_flat_dict(catalog_ref.meta)
DatasetProvenance.strip_provenance_from_flat_dict(catalog_target.meta)
DatasetProvenance.strip_provenance_from_flat_dict(catalog_match_ref.meta)
DatasetProvenance.strip_provenance_from_flat_dict(catalog_match_target.meta)

# TODO: Remove pandas support in DM-46523
if is_ref_pd or is_target_pd or is_match_ref_pd or is_match_target_pd:
warnings.warn("pandas usage in MatchProbabilisticTask is deprecated; it will be removed "
Expand Down