API/DEPR: Rename DataFrame.applymap to DataFrame.map #52364
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In the file: pandas/doc/source/user_guide/style.ipynb there is a linked reference to DataFrame.applymap in a cell, under "Methods to add styles". It is probably best to also relink this, now, to avoid it being forgotten and breaking later. |
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Ok, I’ve done that @attack68. |
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| "\n", | |||
| "- Using [.set_table_styles()][table] to control broader areas of the table with specified internal CSS. Although table styles allow the flexibility to add CSS selectors and properties controlling all individual parts of the table, they are unwieldy for individual cell specifications. Also, note that table styles cannot be exported to Excel. \n", | |||
| "- Using [.set_td_classes()][td_class] to directly link either external CSS classes to your data cells or link the internal CSS classes created by [.set_table_styles()][table]. See [here](#Setting-Classes-and-Linking-to-External-CSS). These cannot be used on column header rows or indexes, and also won't export to Excel. \n", | |||
| "- Using the [.apply()][apply] and [.applymap()][applymap] functions to add direct internal CSS to specific data cells. See [here](#Styler-Functions). As of v1.4.0 there are also methods that work directly on column header rows or indexes; [.apply_index()][applyindex] and [.applymap_index()][applymapindex]. Note that only these methods add styles that will export to Excel. These methods work in a similar way to [DataFrame.apply()][dfapply] and [DataFrame.applymap()][dfapplymap].\n", | |||
| "- Using the [.apply()][apply] and [.applymap()][applymap] functions to add direct internal CSS to specific data cells. See [here](#Styler-Functions). As of v1.4.0 there are also methods that work directly on column header rows or indexes; [.apply_index()][applyindex] and [.applymap_index()][applymapindex]. Note that only these methods add styles that will export to Excel. These methods work in a similar way to [DataFrame.apply()][dfapply] and [DataFrame.map()][dfmap].\n", | |||
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If we are changing DataFrame.applymap() to DataFrame.map(), shouldn't we then change Styler.applymap() to Styler.map() to make things consistent?
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That's a logical next step and @attack68 has proposed in #52353 (comment) to takie on styler.applymap after this has been merged.A good idea IMO.
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Shouldn't we deprecate this before outright removing? Wouldn't this break user code for 2.1? |
That's what the current code does I think |
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My mistake - totally misread that |
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Yes this PR just deprecates |
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Thanks,, I’ve updated. |
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Updated. |
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Thanks @topper-123 |
doc/source/whatsnew/vX.X.X.rstfile if fixing a bug or adding a new feature.This PR builds on #52355, so could make sense to look at that first or ignore the first commit in this PR.