DEPR: read_csv keywords: keep_date_col, delim_whitespace · Issue #55569 · pandas-dev/pandas (original) (raw)

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Description

Issue Description

• delim_whitespace: "Equivalent to setting sep='\\s+'" -> seems redundant
• dialect: does anyone use this? looks like it overrides several other keywords
• cache_dates: once ENH/API: resolution inference in vectorized datetime parsing #55564 is done, this option should not have any behavior impact, so seems unnecessary (also in to_datetime)
• parse_dates: not the entire keyword, just the list-of-list and dict-of-list variants. seems like users can handle those cases in post-processing.
• keep_date_col: only relevant in the parse_dates cases above.

Others? ive never used verbose, na_filter, keep_default_na, or na_values.