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Show a DataFrame columns.name in the index header. - #467
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Cherith1222 wants to merge 1 commit into
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Pandas prints columns.name in that corner when the index has no name. Tabulate only copied index.name, so the corner stayed blank. AI-assisted (Cursor). Not yet reviewed by a human.
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Fixes #259.
A pandas DataFrame with
columns.nameset and noindex.nameprints that columns name in the corner header.tabulatedropped it, so the header cell was blank.columns.nameis used only whenindex.nameis missing. An explicit index name still wins.showindex=Falsedoes not print either name.Tests, on Windows with Python 3.13 and pandas, via Resource Sentinel (1 CPU, 1.5 GiB, 1 I/O):
tabulate/__init__.pychecked out at upstreammaster,test/test_input.py -k test_pandas_columns_name_shown_when_index_unnamedfailed. The header was| | a | b |.ruff0.15.4checkandformat --checkpassed ontabulate/__init__.pyandtest/test_input.py. That is the version pinned in pre-commit. A newerruff checkstill reports existing findings on lines this diff does not touch; those lines were left as they are.Not run: the full suite, an environment without pandas, and anything other than Windows.
CHANGELOGonly lists released versions, so this branch does not add an entry.Drafted with Cursor. A human has not line-reviewed the diff. There is no Co-authored-by or Signed-off-by trailer.