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github.com/pandas-dev/pandas

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more
https://github.com/pandas-dev/pandas

WEB: Update NumFOCUS committee members (#47650)

262a71695cb948ff831d24c91a253eace87ad45c authored over 2 years ago
TYP: fix some of the __hash__ methods (#47654)

01d0874a70a9d2957a8f96501e72a31b5da63717 authored over 2 years ago
CLN: Rename private variables to inclusive (#47655)

* CLN: Rename private variables from closed to inclusive

* Rename variables in dtypes too

...

102b3ca2119df822e2b0f346fa936d0fe9f17501 authored over 2 years ago
BUG: Series.str.zfill() behaves differently than str.zfill() from standard library (#47633)

* fix GH20868

* fix pre-commit issue

* add more tests and describle the differences

9b63034aeae7fe7abb45a7ba4c45d373df98bdfb authored over 2 years ago
TYP: enable reportUnusedImport (#46937)

* TYP: enable reportUnusedImport

* cannot instantiate Tick+BaseOffset

* added new import t...

a4fec220e39031b2f08c593f57c11d42f53879a4 authored over 2 years ago
BUG: Add `storage_option` parameter to to_excel method in Styler (#46491)

Co-authored-by: Jeff Reback <[email protected]>

f74a1866eeb3593498ae5aff8728255a49724e1c authored over 2 years ago
TYP: Improve typing interval inclusive (#47646)

* TYP: Make typing of inclusive consistent

* Fix comparison

* Fix typing issues

* Try f...

55064763e8ba55f6ff5370a8dd083767a189d7a4 authored over 2 years ago
ENH: RangeIndex._shallow_copy can return RangeIndex (#47557)

e915b0a40a9599f46569f8f92a2eb2d3d05c02fa authored over 2 years ago
BUG: Fixed `tm.set_locale` context manager, it could error and leak when category LC_ALL was used (#47570)

8e6ca28973de88b8fb098e41ee33fa1d9c98edbf authored over 2 years ago
BUG: boolean indexer with NA raising when reindex is necessary (#47623)

2367febd39ed61c7ccad6a9b7364c76e093e4e70 authored over 2 years ago
CI: Bump Mac/Windows build timeout to 120 minutes (#47523)

* CI: Debug Mac/Windows timeouts

* Trigger CI

* Might be in arraymanager tests

* bump t...

03b0b2c1e84145e6303662b639d563b700b29da5 authored over 2 years ago
"DOC #45443 edited the documentation of where/mask functions" (#47626)

* "#45443 edited the documentation of where/mask functions"

* Update generic.py

* Update g...

aa5b86632263af5819b9a3d1e12a3696da743938 authored over 2 years ago
DEPR: Deprecate set_closed and add set_incluive (#47636)

* DEPR: Deprecate set_closed and add set_incluive

* Remove set closed

* Revert "Remove set...

bd4ff395cbbf4cbde1fc8f1f746cae064a401638 authored over 2 years ago
Fixed mypy errors in frequencies.py (#47644)

* TST: Added test for consistent type with unique agg #22558

* TST: Added test for consistent...

cef9aad51d0f678cc753d9e7db6eb421c4589800 authored over 2 years ago
POC/ENH: Timedelta min/max/resolution support non-nano (#47641)

ENH: Timedelta min/max/resolution support non-nano

64ae0fe04258e9bcfed8d9474eeb1d828ea82b00 authored over 2 years ago
DEPR: Remove deprecation from private class IntervalTree (#47637)

* DEPR: Remove deprecation from private class IntervalTree

* remove test

* Add set inclusi...

f6658ef9fdef5972214fdc338e2c6b5ee308dbf4 authored over 2 years ago
TST: adding test for multiindex nunique raising not implemnted error (#47638)

* TST: adding test for multiindex nunique raising not implemnted error

* renamed test

16e9b1e7cefc9a0e3504042f08ebfdfd3857f084 authored over 2 years ago
DOC: avoid overriding Python built-in functions (#47631)

avoid overriding Python built-in functions

1ad2821e81ecd14d823221794a64231a6fb681cf authored over 2 years ago
BUG: using read_xml with iterparse and names will ignore duplicate values (#47630)

3adfcff164089343d9526b797bab22cf4f204cf4 authored over 2 years ago
ENH/TST: Add TestBaseReshaping tests for ArrowExtensionArray (#47601)

fce0953d079e297d90289ff6371b32dd799d70a5 authored over 2 years ago
Test for nested series equality #22400 (#47627)

* TST: Added test for consistent type with unique agg #22558

* TST: Added test for consistent...

d52f2ce0c66264e03bfb6c417e249287ab31bd04 authored over 2 years ago
CLN: Add tets and fix docstring for concat with sort=True and outer join (#47612)

Add tets and fix docstring

2141c1ca220ff8d9d3186110216f82c1b85fcbe9 authored over 2 years ago
TYP: more return annotations in core/ (#47618)

* TYP: more return annotations in core/

* from __future__ import annotations

* more __futu...

f65417656ba8c59438d832b6e2a431f78d40c21c authored over 2 years ago
WARN: Don't show FutureWarning when enlarging df with iloc (#47621)

* WARN: Don't show FutureWarning when enlarging df with iloc

* Change test

* Xfail for arr...

028d0d6221e3533f29f9402885bfaf6dcf1f1e66 authored over 2 years ago
BUG: Return Float64 for read_parquet(use_nullable_dtypes=True) (#47619)

efebf781b6f58d892a9c413c9ee95a5f37010d90 authored over 2 years ago
TST: Added test for strides in column major Dataframes stored in HDFS… (#47616)

TST: Added test for strides in column major Dataframes stored in HDFStore

b4ec0207366f5b497b382bd4c20566ef9111776a authored over 2 years ago
DOC: Fixed pandas capitalization (#47617)

Co-authored-by: Marvin Walter <[email protected]>

9a8b1932186148eeb5c25e081a3a8ebaf08c55ba authored over 2 years ago
TYP: return values in core/*.py (#47587)

* TYP: return values in core/*.py

* fix test

* to_html

* to_html part 2

* DataFrame....

9612375ca28ade056f15d4338f1bfde5d045c9fc authored over 2 years ago
⬆️ UPGRADE: Autoupdate pre-commit config (#47564)

Co-authored-by: MarcoGorelli <[email protected]>
Co-authored-by: Matthew Ro...

a9a496ce98285ee82f71fffa7cc503f122360d25 authored over 2 years ago
DOC: fix shared compression_options and decompression_options (#47609)

* DOC: Fix reference to ZstdCompressor in compression_options

Both compression_options and de...

7a29d4ab3192434592ed1ee2ac8c58b4f0e613ce authored over 2 years ago
Revert inclusive default change of IntervalDtype (#47367)

d9dd1289e07d86928d144e53beb3d5b8ab3c2215 authored over 2 years ago
TST: Test aggregate with list values #25581 (#47559)

* TST: Test aggregate with list values #25581

* TST: Fixed PEP 8 warnings #25581

* TST: Fi...

37e6239f618adc8913e80fa689cdb8c8ad0f2af1 authored over 2 years ago
ENH: DTI/DTA.astype support non-nano (#47579)

* ENH: DTI/DTA.astype support non-nano

* whatsnew

* GH ref

* pyright fixup

67e8c4c3761ab1da4b0a341a472c0fe2ea393e8b authored over 2 years ago
ENH/TST: Add BaseMethodsTests tests for ArrowExtensionArray (#47552)

* ENH/TST: Add BaseMethodsTests tests for ArrowExtensionArray

* Passing test now

* add xfa...

700ef33b4dd5d5e76220ee50d1f07775dff15428 authored over 2 years ago
CI: flake8-pyi (#47595)

4d175888e05bed5c494abdb949e6bcb46302d222 authored over 2 years ago
REF: share DTA/TDA.__init__ (#47583)

b6d5e9739d979d20ff1c6cb4f40306d3b6333cea authored over 2 years ago
Fix SAS7BDAT run-length encoding formula (#47099)

* Fix SAS7BDAT run-length encoding formula

See https://bitbucket.org/jaredhobbs/sas7bdat/src/...

8e8f62753fe2a5b7954ebe367b662243207e9825 authored over 2 years ago
ENH: Move CSSWarning to error/__init__.py per GH27656 (#47591)

* ENH: Move CSSWarning to error/__init__.py per GH27656

* ENH: fix typo

* ENH: reword sent...

e52f8b7fcd62f94a75bba324d88df446c7be2259 authored over 2 years ago
TST: added test for handling repeated keys when using Series.loc with Multiindex (#47594)

319964a1c29fb690bdbe38e06a7590ccad4006c7 authored over 2 years ago
BUG Fix: pd.apply returns a dataframe when empty dataframe instead of a series (#47222)

* add test

* add test

* add

* update rst

fa76d819252733065e4311eb03e5beea66d3792c authored over 2 years ago
TST: added test for to_json when called on numbers exceeding the int64 limit (#47589)

* TST: added test for to_json when called on numbers that exceed the int64 limit

* TST: remov...

5fb276a8988b585aa78e03907217f25d726cb738 authored over 2 years ago
DEPR: numeic_only in Series and SeriesGroupBy consistency (#47561)

* DEPR: numeic_only in Series and SeriesGroupBy consistency

* Refactor warning, whatsnew note...

37d0194469996e8e3499f0e0fef55e01c1a3a1d9 authored over 2 years ago
BUG: read_excel not forward filling index columns when no names are given (#47496)

4fe2f312ce83d84169aed76fbe7270891301c086 authored over 2 years ago
BUG: to_sql with method=callable not returning int raising TypeError (#47474)

28566072c30753762643f4affce062de5693f59e authored over 2 years ago
PERF: use c-division in nancorr (#47518)

1924be3885f060ebe428e48f8d29457cd2437679 authored over 2 years ago
BUG: concat losing columns dtypes for join=outer (#47586)

1ac13910aabaabeec0f00319d14d31a08e294475 authored over 2 years ago
ENH/TST: Add BaseGroupbyTests tests for ArrowExtensionArray (#47515)

b81f4318fc0d796760d16237a8f616dad73912eb authored over 2 years ago
TYP: misc return type annotations (#47558)

f538568afc2c76c2d738d32e3544cf9fe6742960 authored over 2 years ago
TYP: fix a few errors found by pandas-stub (#47562)

a7c85132bb408249b6c74b24a2834523bec69b2e authored over 2 years ago
Adding testcase for quartile performed on a timestamp column group by ( closes #33168 ) (#47575)

d05bdebad762cc8ea4e01c545d6428202f9f3e9c authored over 2 years ago
BUG: DataFrame.loc not aligning rhs df for single block case (#47581)

4fddc414b60805caf37e5e5690d27f11d02bdcc8 authored over 2 years ago
CLN: concat union_indexes now respecting sort keyword (#47588)

f8b3585d513287a7c9906dde8a8fa5374bdca68f authored over 2 years ago
BUG: Series.setitem losing precision when enlarging (#47342)

bd9a6f09264c58ef402d4c7faf5fc9d48c159194 authored over 2 years ago
PERF: Some faster date/time string formatting (#46759)

55d9dcf47dd982248c18237b6a09854ea83bc474 authored over 2 years ago
CLN: Move monotonic check to safe_sort_index (#47573)

5266143452873aed4fc047bcda1c3a6ed1435800 authored over 2 years ago
REF: simplify DTA.__init__ (#47574)

6792f5c9ed8e9b7ed0078036995d07920e3de870 authored over 2 years ago
Use license_files instead of license_file (#47572)

9f38929b055d3b5b6f6c214c7dbff51bc80838f0 authored over 2 years ago
[DOC] improving the ExcelWriter docstring (#47568)

improved excelwrite docstring

3e9aaf40ae940ba79ee1cb041875bd32b7f80085 authored over 2 years ago
TYP: fix type of level in DataFrame.groupby (#47560)

f6ba50a53e3fdf113d919e4c831f060b0bbbd163 authored over 2 years ago
REF: Reduce duplicative methods between XML parser classes (#47553)

* REF: Reduce duplicative methods between XML parser classes

* Add typing to base class methods

ebc96aef57c3d99f6da6275a5cc42f5cfd6c1c8c authored over 2 years ago
REF: share some constructor code (#47555)

* REF: share some constructor code

* mypy fixup

231b9fad17475918a94fc922d5bbd452c5b67a2f authored over 2 years ago
DOC: Convert URL example to static code block (#47540)

8ce4f299c4db6d1ef9326669149ed4f826405b58 authored over 2 years ago
REGR: concat materializing index even if sort is not necessary (#47508)

* REGR: concat materializing index even if sort is not necessary

* Add check for index

* A...

6fd33769b1831d39decbe7932756d33b1bd9eff9 authored over 2 years ago
DOC clarify inplace operation section in 1.5 whats_new (#47433)

* DOC make inplace operation section in whats_new clearer

* tweak

* Can happen with both l...

9a3231f30ae769c33f4a3ea32973cba3e091d75e authored over 2 years ago
BUG: DataFrame.loc not aligning dict when setting to a column (#47361)

* BUG: DataFrame.loc not aligning dict when setting to a column

* Add partial case

* Use i...

cd2b8196c519b58c82cccdb8472d86c1c58f9511 authored over 2 years ago
Initial draft: from_dummies (#41902)

ed55bdf198590dd572f2e546c7b2afe7ae98ba74 authored over 2 years ago
DOC: update tutorials.rst to include website for searchable Pandas recipes (#47389)

Update tutorials.rst

4f566c86df8b010f008a277776617e9d8d1b63e6 authored over 2 years ago
Stacklevel argument updated #46687 (#47035)

* Stacklevel argument updated #46687

* argument removed

* param added

* fixup

* remo...

32cb5aaf21a29dd4d04ee71e86f522f1af0fff13 authored over 2 years ago
ASV: Non-unique DataFrame index (#47551)

417d1c94fe3810f695e94360adde667f5a5e7222 authored over 2 years ago
ENH: DatetimeIndex.snap support non-nano (#47537)

f4ca4d3d0ea6a907262f8c842c691115b13d4cb7 authored over 2 years ago
PERF: Improve Styler `to_excel` Performance (#47371)

* Move CSS expansion lookup to dictionary

* Implement simple CSSToExcelConverter cache

* E...

ad842d36bb62a6c7a5e8f93a9594129ff46cc5cb authored over 2 years ago
ENH/TST: Add BaseParsinngTests tests for ArrowExtensionArray (#47536)

22881355741678b5dd584a6074bac75694082ccc authored over 2 years ago
BUG: PeriodArray.__sub__(Period) overflows (#47538)

* BUG: PeriodArray.__sub__(Period) overflows

* GH refs

2b1184dd5b7a80120cf4010996a1c91987d9f7fe authored over 2 years ago
ENH: DatetimeIndex.indexer_between_time support non-nano (#47535)

80c005e67f96f431674a37ecd8a9e8a2808f7db4 authored over 2 years ago
WARN: Clarify datetime warning when can't parse in accordance with dayfirst (#47528)

* try improving

* WARN: clarify warning message from to_datetime when dayfirst cant be respec...

fd1f643b28e32e9fbcd1f58f98ac922c41f05fea authored over 2 years ago
WEB: Add Telegram to follow us and footer (#47531)

cfc7234877b91a7adc46e62ada2e47fc0d055c9e authored over 2 years ago
ENH: TimedeltaArray add/sub with NaT preserve reso (#47522)

* ENH: TimedeltaArray add/sub with NaT preserve reso

* mypy fixup

* use datetime_data

612f5663ab728d18c1dd7b4bbe0564709891d024 authored over 2 years ago
TYP: misc (#47509)

* TYP: misc

* Update pandas/core/generic.py

Co-authored-by: Matthew Roeschke <emailformatt...

7dad4e7a05657cc249a712f2eda4f512ce56c404 authored over 2 years ago
TYP: more return annotations for io/* (#47524)

* TYP: more return annotations for io/*

* import future

e48c9c3973286e257f6da1966c91806d86b917e0 authored over 2 years ago
added link to advanced indexing guide in .loc docstring (#47520)

* added link to advanced indexing guide in .loc docstring

* changed refernce style for .loc d...

2fc7fab763f169bfb67ab6e48be584306150c904 authored over 2 years ago
Bug: GroupBy raising error with None in first level of MultiIndex (#47351)

* Bug: GroupBy raising error with None in first level of MultiIndex

* Add test

* Change wh...

2bcbd252af4f38c14810f0e15298ba2c4b2f70c3 authored over 2 years ago
BUG: read_xml iterparse doesn't handle multiple toplevel elements with lxml parser (#47504)

BUG: read_xml iterparse doesn't handle multiple toplevel elements with lxml parser

1bc919713c86586d10ca6854a5b9041013f6ddd3 authored over 2 years ago
TYP: Return annotations for io/{formats,json} (#47516)

* TYP: Return annotations for io/{formats,json}

* flake8

* explicitly check whether width ...

734db4f1fde2566a02b3c7ff661a479b0a71633c authored over 2 years ago
ENH: TDA.total_seconds support non-nano (#47421)

* ENH: TDA.total_seconds support non-nano

* fix doctest

* mypy fixup

90c781703b7c8ec914559b1287bcda8c79d0c4c5 authored over 2 years ago
Cache Conda env (#47454)

* Cache Conda env

* python-version -> extra-specs

* python-version -> extra-specs

* Rem...

f81ac726f4d503dbbe72c4e3ac7cb94c69359cde authored over 2 years ago
TYP: Missing return annotations in util/tseries/plotting (#47510)

* TYP: Missing return annotations in util/tseries/plotting

* the more tricky parts

4bb1fd50a63badd38b5d96d9c4323dae7bc36d8d authored over 2 years ago
TYP: _item_cache and _ixs (#47506)

* typ: _item_cache and _ixs

* fixup docstring

* linting

cb678374d4ad55a411c89e535c49259b8e77114e authored over 2 years ago
DOC: Fix a typo in documentation for styler (#47517)

Fix typo

datavlaues => datavalues

428540bcc57c8e9b2f260abf198cec82fd2862c6 authored over 2 years ago
Fix `vertical-align: middle;` for `Styler.to_excel` with xlsxwriter engine (#47434)

* Fix vertical align failure on xlsxwriter

* CLN: linter

* Add what's new entry

* Add t...

6e0f8b809fc8a272383fddbd547348eb4cb62b26 authored over 2 years ago
TYP: some return annotations in pytables.py (#47512)

7d2f9b8d59908fbf57c6453bc41891efbfe981a6 authored over 2 years ago
TST,WARN: read_csv raises warning at wrong stacklevel, but _assert_raised_with_correct_stacklevel doesn't fail (#47387)

* fix stacklevel of read_csv warning

* :doc: add whatsnewnote

* move whatsnew entry to v1.4.4

109be4812cfd96009dd78c310124695d466ac2cf authored over 2 years ago
ENH: Move PyperclipException and PyperclipWindowsException to error/_… (#47491)

* ENH: Move PyperclipException and PyperclipWindowsException to error/__init__.py per GH27656

...

cf05e2fbbd7284f30fed75508a8b937d3dc739ca authored over 2 years ago
TYP: ndim is consistently a property (#47378)

* TYP: ndim is consistently a property

* unused import

* fix test

* nicer fix

64ad019fae42ea792cc961f903d3c0869025e530 authored over 2 years ago
Fix SAS 0x40 control byte handling and column name parsing (#47113)

* Fix reading SAS7BDAT files with zero rows (#47116)

* Fix reading SAS7BDAT files with zero r...

5e3d0ed0ce02e61af6b0266f88cbb78a6278363c authored over 2 years ago
DEPR: na_sentinel in factorize (#47157)

* DEPR: na_sentinel in factorize

* WIP

* DEPR: na_sentinel in factorize

* Fixups

* F...

d58082660847a6ca46e4ab35f1e1776dbd26eb63 authored over 2 years ago
TYP: read_sas (#47410)

* TYP: read_sas

* make __next__ compatibel with empty datafram

* df -> da

* whatsnew

6786ab299d01a54f6c3afa0460e39c8d1dc89c26 authored over 2 years ago
BUG: DataFrame.setitem raising when rhs is ea dtype Series (#47425)

* BUG: DataFrame.setitem raising when rhs is ea dtype Series

* Add gh ref

7683563ee17c39821347f79416680342fd8de239 authored over 2 years ago
REF: remove dtstruct_to_dt64 (#47492)

963111d836950a995949ca4af9e63bad6b9e73b3 authored over 2 years ago
BUG: read_csv ignoring non existing header rows for python engine (#47493)

* BUG: read_csv ignoring non existing header rows for python engine

* Rename variable

c3b4af9ea969122055af364389fbb3093c4c78d2 authored over 2 years ago
DOC: Resolve links in whatsnew (#47499)

0ae64263a11b0daaccb766d31793ed0970ea5df3 authored over 2 years ago