8000 `Series.loc`, `Series.iloc`, `DataFrame.loc` and `DataFrame.iloc` not accepting singular slice arguments for `__setitem__()` (and possibly `__getitem()`) · Issue #572 · pandas-dev/pandas-stubs · GitHub
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Series.loc, Series.iloc, DataFrame.loc and DataFrame.iloc not accepting singular slice arguments for __setitem__() (and possibly __getitem()) #572

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randolf-scholz opened this issue Mar 14, 2023 · 1 comment · Fixed by #1087
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Series.loc, Series.iloc, DataFrame.loc and DataFrame.iloc not accepting singular slice arguments for __setitem__() (and possibly __getitem()) #572

randolf-scholz opened this issue Mar 14, 2023 · 1 comment · Fixed by #1087
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Indexing Related to indexing on series/frames, not to indexes themselves

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@randolf-scholz
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Describe the bug

To perform complicated in-place operations, one can do df.loc[:] = ..., to simply assign the updated array. This is currently unsupported by pandas-stubs.

To Reproduce

from pandas import DataFrame, Series

foo = Series([1, 2, 3])
foo.loc[:] = 1 + foo  # [call-overload]

bar = DataFrame([1, 2, 3])
bar.loc[:] = 1 + bar  # [call-overload]

Please complete the following information:

  • pandas 1.5.3
  • pandas-stubs 1.5.3.230304
@Dr-Irv
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Dr-Irv commented Mar 14, 2023

Have to add singluar slice arguments to __getitem__() and __setitem__() in the right places for dataframe.pyi in _LocIndexerFrame and _ILocIndexerFrame and series.pyi in _LocIndexerSeries and ILocIndexerSeries.

Needs a fair bit of tests to make sure this is done correctly.

@Dr-Irv Dr-Irv added the Indexing Related to indexing on series/frames, not to indexes themselves label Mar 14, 2023
@Dr-Irv Dr-Irv changed the title [call-overload] No overload variant of "__setitem__" of "_LocIndexerSeries" matches argument types "slice", "Any" [call-overload] Series.loc, Series.iloc, DataFrame.loc and DataFrame.iloc not accepting singular slice arguments for __setitem__() (and possibly __getitem()) Mar 14, 2023
AdrianSosic added a commit to emdgroup/baybe that referenced this issue Mar 21, 2024
@AdrianSosic
Suppress warnings for unsupported pandas loc assignments
2660696 
pandas-dev/pandas-stubs#572
This was referenced Jan 3, 2025
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