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Update _get_dst_hours Cython annotation when numpy 2.0 is the minium version

Compatpandas objects compatability with Numpy or Python functionspandas objects compatability with Numpy or Python functions

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Status: Open.

#57154 In pandas-dev/pandas;

· mroeschke opened on Jan 30, 2024

BUG: prevent overflow in npy_datetimestruct_to_datetime

Bug

DatetimeDatetime data dtypeDatetime data dtype

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Status: Open.

#55111 In pandas-dev/pandas;

· WillAyd opened on Sep 12, 2023

2 comments

BUG: Index.join different sorting behavior in libjoin faspath

Bug

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

ReshapingConcat, Merge/Join, Stack/Unstack, ExplodeConcat, Merge/Join, Stack/Unstack, Explode

Status: Open.

#54646 In pandas-dev/pandas;

· jbrockmendel opened on Aug 20, 2023

6 comments

PERF: pandas takes 8-9 seconds to import in a new environment

BuildLibrary building on various platformsLibrary building on various platforms

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

PerformanceMemory or execution speed performanceMemory or execution speed performance

Status: Open.

#53488 In pandas-dev/pandas;

· pyrito opened on Jun 1, 2023

9 comments

BUG: Instantiating pandas._libs.parsers.TextReader segfaults

Bug

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

IO CSVread_csv, to_csvread_csv, to_csv

Status: Open.

#53131 In pandas-dev/pandas;

· JelleZijlstra opened on May 7, 2023

1 comment

BUG: pandas is using absolute from pandas._libs cimport and is shipping broken private .pxd files

Bug

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Status: Open.

#51875 In pandas-dev/pandas;

· rgommers opened on Mar 9, 2023

PERF: cache sorted data in GroupBy?

Enhancement

Groupby

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

PerformanceMemory or execution speed performanceMemory or execution speed performance

Status: Open.

#51077 In pandas-dev/pandas;

· jbrockmendel opened on Jan 31, 2023

1

3 comments



BUG: StringArray is a subclass of PandasArray

Closing CandidateMay be closeable, needs more eyeballsMay be closeable, needs more eyeballs

ExtensionArrayExtending pandas with custom dtypes or arrays.Extending pandas with custom dtypes or arrays.

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

StringsString extension data type and string dataString extension data type and string data

Status: Open.

#48638 In pandas-dev/pandas;

· ehsantn opened on Sep 19, 2022

4 comments

BUG: np_can_hold_element raising for numpy_dtype and ea Series

Bug

ExtensionArrayExtending pandas with custom dtypes or arrays.Extending pandas with custom dtypes or arrays.

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Status: Open.

#47776 In pandas-dev/pandas;

· phofl opened on Jul 18, 2022

3 comments

BUG: lib.is_all_arraylike should not assume a _data attribute means "array-like".

Bug

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

Status: Open.

#46030 In pandas-dev/pandas;

· zpincus opened on Feb 17, 2022

1 comment

BUG: freq attribute is None after set_index

Bug

DatetimeDatetime data dtypeDatetime data dtype

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

RegressionFunctionality that used to work in a prior pandas versionFunctionality that used to work in a prior pandas version

Status: Open.

#42747 In pandas-dev/pandas;

· antvig opened on Jul 27, 2021

8 comments

DEPR: restrict downstream usage of core.internals

Compatpandas objects compatability with Numpy or Python functionspandas objects compatability with Numpy or Python functions

DeprecateFunctionality to remove in pandasFunctionality to remove in pandas

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Status: Open.

#40226 In pandas-dev/pandas;

· jbrockmendel opened on Mar 4, 2021

8 comments

INT: include NA values in Categorical.categories

CategoricalCategorical Data TypeCategorical Data Type

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

PDEP missing valuesIssues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprintIssues that would be addressed by the Ice Cream Agreement from the Aug 2023 sprint

Status: Open.

#37930 In pandas-dev/pandas;

· jbrockmendel opened on Nov 18, 2020

6 comments

Practical steps towards a simplified BlockManager

Closing CandidateMay be closeable, needs more eyeballsMay be closeable, needs more eyeballs

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

Status: Open.

#34669 In pandas-dev/pandas;

· jorisvandenbossche opened on Jun 9, 2020

7 comments

Support pydata/sparse arrays in DataFrame

Closing CandidateMay be closeable, needs more eyeballsMay be closeable, needs more eyeballs

Enhancement

ExtensionArrayExtending pandas with custom dtypes or arrays.Extending pandas with custom dtypes or arrays.

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

SparseSparse Data TypeSparse Data Type

Status: Open.

#33182 In pandas-dev/pandas;

· TomAugspurger opened on Mar 31, 2020

6 comments

Memory issues with HashTable when resizing

Bug

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Status: Open.

#32907 In pandas-dev/pandas;

· Mibu287 opened on Mar 22, 2020

2 comments

Use an enum for infer_dtype return values?

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

RefactorInternal refactoring of codeInternal refactoring of code

Status: Open.

#29868 In pandas-dev/pandas;

· TomAugspurger opened on Nov 26, 2019

1

4 comments

VIS: register_matplotlib_converters is exposed through plotting backend

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Needs DiscussionRequires discussion from core team before further actionRequires discussion from core team before further action

Visualizationplottingplotting

Status: Open.

#27152 In pandas-dev/pandas;

· jorisvandenbossche opened on Jun 30, 2019

2 comments

is_list_like should return false for tuples

Bug

Docs

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Nested DataData where the values are collections (lists, sets, dicts, objects, etc.).Data where the values are collections (lists, sets, dicts, objects, etc.).

Status: Open.

#24702 In pandas-dev/pandas;

· toobaz opened on Jan 10, 2019

3 comments

REF/CLN: ops boilerplate

Clean

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Numeric OperationsArithmetic, Comparison, and Logical operationsArithmetic, Comparison, and Logical operations

RefactorInternal refactoring of codeInternal refactoring of code

Status: Open.

#23853 In pandas-dev/pandas;

· jbrockmendel opened on Nov 22, 2018

1

2 comments

pandas.dataframe.values floating number changes automatically

Bug

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

Status: Open.

#21885 In pandas-dev/pandas;

· snowflake01986 opened on Jul 13, 2018

7 comments

CLN: Refactor Index._validate_names()

IndexRelated to the Index class or subclassesRelated to the Index class or subclasses

InternalsRelated to non-user accessible pandas implementationRelated to non-user accessible pandas implementation

RefactorInternal refactoring of codeInternal refactoring of code

Status: Open.

#19171 In pandas-dev/pandas;

· spacesphere opened on Jan 10, 2018

1

2 comments