BUG: Fix Series.str.zfill for ArrowDtype string arrays #61485 #61533
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mroeschke
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Co-authored-by: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
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jorisvandenbossche
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Thanks for the review @jorisvandenbossche , will resolve the conflicts |
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Implemented
_str_zfillforArrowExtensionArrayto supportSeries.str.zfillon Arrow-backed string arrays (ArrowDtype(pa.string())). This fixes an AttributeError due to the method relying on_str_map, which wasn't implemented. Used_apply_elementwiseto match the approach of other string methods. Added tests undertest_string_array.pyand confirmed they pass. Also confirmed no other relevant test files are broken and the change aligns with how other string accessors are handled.