title stringlengths 1 185 | diff stringlengths 0 32.2M | body stringlengths 0 123k ⌀ | url stringlengths 57 58 | created_at stringlengths 20 20 | closed_at stringlengths 20 20 | merged_at stringlengths 20 20 ⌀ | updated_at stringlengths 20 20 |
|---|---|---|---|---|---|---|---|
ENH: `Styler.text_gradient`: easy extension alternative to `.background_gradient` | diff --git a/doc/source/_static/style/tg_ax0.png b/doc/source/_static/style/tg_ax0.png
new file mode 100644
index 0000000000000..3460329352282
Binary files /dev/null and b/doc/source/_static/style/tg_ax0.png differ
diff --git a/doc/source/_static/style/tg_axNone.png b/doc/source/_static/style/tg_axNone.png
new file mod... | This is minor code alteration to the `_background_gradient` function that permits a text-only coloring version, i.e. `Styler.text_gradient`.
This could alternatively be performed with a `text_only=True` keyword addition to `Styler.background_gradient` existing method, but it seemed dissimilar enough to merit its own... | https://api.github.com/repos/pandas-dev/pandas/pulls/41098 | 2021-04-22T12:29:41Z | 2021-05-25T09:04:19Z | 2021-05-25T09:04:19Z | 2021-05-25T09:36:23Z |
TYP: Fix typehints for ExtensionDtype | diff --git a/pandas/core/dtypes/base.py b/pandas/core/dtypes/base.py
index 8104b0170fbe2..9671c340a0a92 100644
--- a/pandas/core/dtypes/base.py
+++ b/pandas/core/dtypes/base.py
@@ -7,6 +7,7 @@
from typing import (
TYPE_CHECKING,
Any,
+ TypeVar,
)
import numpy as np
@@ -26,6 +27,9 @@
if TYPE_CHECKING:... | This is a fix for type hints of `ExtensionDtype`. `register_extension_dtype` was confusing pyright autocomplete. It was fixed by parameterizing its return value on its input value.
Example:
```python
import pandas as pd
pd.CategoricalDtype(categories=['a', 'b'])
```
Before this change:
```console
$ pyri... | https://api.github.com/repos/pandas-dev/pandas/pulls/41097 | 2021-04-22T12:23:49Z | 2021-04-26T10:39:44Z | 2021-04-26T10:39:44Z | 2021-04-26T11:40:01Z |
Backport PR #41092: CI/DOC: temporary pin environment to python 3.8 | diff --git a/environment.yml b/environment.yml
index a369f656cb575..61c8351070de9 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,7 +4,7 @@ channels:
dependencies:
# required
- numpy>=1.16.5
- - python=3
+ - python=3.8
- python-dateutil>=2.7.3
- pytz
| Backport PR #41092 | https://api.github.com/repos/pandas-dev/pandas/pulls/41095 | 2021-04-22T11:18:13Z | 2021-04-22T13:29:31Z | 2021-04-22T13:29:31Z | 2021-04-22T13:29:36Z |
CI/DOC: temporary pin environment to python 3.8 | diff --git a/environment.yml b/environment.yml
index 0d03ad8e0a46a..2e0228a15272e 100644
--- a/environment.yml
+++ b/environment.yml
@@ -4,7 +4,7 @@ channels:
dependencies:
# required
- numpy>=1.17.3
- - python=3
+ - python=3.8
- python-dateutil>=2.7.3
- pytz
| The doc build is failing on master (`/home/runner/work/pandas/pandas/doc/source/reference/api/pandas.Series.dt.rst: WARNING: document isn't included in any toctree`), and the build that starts failing seems to have switched from python 3.8 to 3.9 (I don't see any other relevant change in the environment). I suppose the... | https://api.github.com/repos/pandas-dev/pandas/pulls/41092 | 2021-04-22T07:07:53Z | 2021-04-22T11:00:17Z | 2021-04-22T11:00:17Z | 2021-04-22T11:22:14Z |
REF: simplify ohlc | diff --git a/pandas/core/groupby/generic.py b/pandas/core/groupby/generic.py
index a059a90aa3a4e..9d6d2d698dfe5 100644
--- a/pandas/core/groupby/generic.py
+++ b/pandas/core/groupby/generic.py
@@ -363,20 +363,10 @@ def _cython_agg_general(
result = self.grouper._cython_operation(
"aggregat... | Or more accurately, simplify BaseGroupBy._cython_agg_general by not having ohlc go through it. This will in turn allow us to simplify SeriesGroupBy._wrap_aggregated_output.
This will have a merge conflict with #41066. Doesn't matter which order they are merged in. | https://api.github.com/repos/pandas-dev/pandas/pulls/41091 | 2021-04-22T00:59:22Z | 2021-04-23T01:47:10Z | 2021-04-23T01:47:10Z | 2021-04-23T01:54:53Z |
CLN: annotations, docstrings | diff --git a/pandas/_libs/hashtable_class_helper.pxi.in b/pandas/_libs/hashtable_class_helper.pxi.in
index 4dc5e7516db7e..a25867c4a3b0c 100644
--- a/pandas/_libs/hashtable_class_helper.pxi.in
+++ b/pandas/_libs/hashtable_class_helper.pxi.in
@@ -687,7 +687,10 @@ cdef class {{name}}HashTable(HashTable):
{{if dtype... | Remove a no-longer-needed Categorical kludge in wrap_setop_result
isinstance(obj, ABCMultiIndex) -> isinstance(obj, MultiIndex) in core.indexing | https://api.github.com/repos/pandas-dev/pandas/pulls/41089 | 2021-04-21T21:35:48Z | 2021-04-22T22:27:32Z | 2021-04-22T22:27:32Z | 2021-04-22T22:36:57Z |
Update license year | diff --git a/LICENSE b/LICENSE
index 76954a5a339ab..a0cc369f725b8 100644
--- a/LICENSE
+++ b/LICENSE
@@ -3,7 +3,7 @@ BSD 3-Clause License
Copyright (c) 2008-2011, AQR Capital Management, LLC, Lambda Foundry, Inc. and PyData Development Team
All rights reserved.
-Copyright (c) 2011-2020, Open source contributors.
+C... | Saw this today | https://api.github.com/repos/pandas-dev/pandas/pulls/41087 | 2021-04-21T20:42:27Z | 2021-04-22T01:06:47Z | 2021-04-22T01:06:47Z | 2021-04-22T20:01:24Z |
REF: hide ArrayManager implementation details from GroupBy | diff --git a/pandas/core/groupby/generic.py b/pandas/core/groupby/generic.py
index 80351a832ec7e..ab03cce0d6476 100644
--- a/pandas/core/groupby/generic.py
+++ b/pandas/core/groupby/generic.py
@@ -97,7 +97,6 @@
all_indexes_same,
)
import pandas.core.indexes.base as ibase
-from pandas.core.internals import ArrayM... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/41086 | 2021-04-21T19:38:42Z | 2021-04-30T18:50:01Z | 2021-04-30T18:50:01Z | 2021-04-30T19:00:20Z |
BUG: GH27721 - test groupby rank with multiindex | diff --git a/pandas/tests/groupby/test_rank.py b/pandas/tests/groupby/test_rank.py
index da88ea5f05107..e07c5f404a02a 100644
--- a/pandas/tests/groupby/test_rank.py
+++ b/pandas/tests/groupby/test_rank.py
@@ -578,3 +578,25 @@ def test_rank_pct_equal_values_on_group_transition(use_nan):
expected = Series([1 / 3... | - [x] closes #27721
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [ ] whatsnew entry | https://api.github.com/repos/pandas-dev/pandas/pulls/41084 | 2021-04-21T19:07:43Z | 2021-04-21T21:55:34Z | 2021-04-21T21:55:33Z | 2021-04-21T22:23:35Z |
CI: ignore ResourceWarning in tm.assert_produces_warning | diff --git a/pandas/_testing/_warnings.py b/pandas/_testing/_warnings.py
index 027a53edb1810..391226b622a01 100644
--- a/pandas/_testing/_warnings.py
+++ b/pandas/_testing/_warnings.py
@@ -142,6 +142,14 @@ def _assert_caught_no_extra_warnings(
for actual_warning in caught_warnings:
if _is_unexpected_war... | reverts a line in setup.cfg that was intended to do this but failed | https://api.github.com/repos/pandas-dev/pandas/pulls/41083 | 2021-04-21T16:40:45Z | 2021-04-22T22:20:05Z | 2021-04-22T22:20:05Z | 2021-04-22T22:22:12Z |
REF: Back DatetimeTZBlock with sometimes-2D DTA | diff --git a/pandas/core/dtypes/common.py b/pandas/core/dtypes/common.py
index e207dac71752e..593e42f7ed749 100644
--- a/pandas/core/dtypes/common.py
+++ b/pandas/core/dtypes/common.py
@@ -1413,6 +1413,33 @@ def is_extension_type(arr) -> bool:
return False
+def is_1d_only_ea_obj(obj: Any) -> bool:
+ """
+ ... | Same as #40149 but with the perf-improving edits to frame.py reverted | https://api.github.com/repos/pandas-dev/pandas/pulls/41082 | 2021-04-21T16:14:05Z | 2021-04-22T22:43:29Z | 2021-04-22T22:43:29Z | 2021-04-22T22:59:14Z |
REF: remove Block access in the JSON writing code | diff --git a/pandas/_libs/src/ujson/python/objToJSON.c b/pandas/_libs/src/ujson/python/objToJSON.c
index bbcee479aeb5a..31b43cdb28d9d 100644
--- a/pandas/_libs/src/ujson/python/objToJSON.c
+++ b/pandas/_libs/src/ujson/python/objToJSON.c
@@ -83,7 +83,6 @@ typedef struct __PdBlockContext {
int ncols;
int transp... | Closes #27164
This is a small refactor of the JSON writing code (`objToJSON.c`) to remove the access of the Blocks. Serializing to JSON was already done column-by-column (also when accessing the blocks), but currently we were iterating over the different "columns" of the 2D array per block in the C code. While with ... | https://api.github.com/repos/pandas-dev/pandas/pulls/41081 | 2021-04-21T14:33:46Z | 2021-04-26T07:51:29Z | 2021-04-26T07:51:28Z | 2021-04-26T07:51:32Z |
BUG: GH35865 - int cast to str with colon setitem | diff --git a/pandas/tests/indexing/test_coercion.py b/pandas/tests/indexing/test_coercion.py
index 7642f78076dcb..585dbd338e965 100644
--- a/pandas/tests/indexing/test_coercion.py
+++ b/pandas/tests/indexing/test_coercion.py
@@ -258,6 +258,15 @@ def test_setitem_series_timedelta64(self, val, exp_dtype):
)
... | - [x] closes #35865
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [ ] whatsnew entry: not sure if it's needed but happy to provide one given some guidelines
| https://api.github.com/repos/pandas-dev/pandas/pulls/41077 | 2021-04-21T13:03:36Z | 2021-04-26T12:21:47Z | 2021-04-26T12:21:47Z | 2021-04-27T12:45:39Z |
BUG: GH41044 - test loc dict assig | diff --git a/pandas/tests/indexing/test_loc.py b/pandas/tests/indexing/test_loc.py
index 97b3412ce626e..11391efde4956 100644
--- a/pandas/tests/indexing/test_loc.py
+++ b/pandas/tests/indexing/test_loc.py
@@ -2700,3 +2700,13 @@ def test_loc_setitem(self, string_series):
string_series.loc[d2] = 6
asser... | - [x] closes #41044
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [ ] whatsnew entry: not sure if it's needed but happy to provide one given some guidelines | https://api.github.com/repos/pandas-dev/pandas/pulls/41076 | 2021-04-21T12:31:54Z | 2021-04-21T22:34:07Z | 2021-04-21T22:34:07Z | 2021-04-21T22:52:59Z |
[ArrayManager] TST: enable JSON tests (except for table schema) | diff --git a/pandas/tests/io/json/test_compression.py b/pandas/tests/io/json/test_compression.py
index 8c69ffedf1df4..febeb4d690562 100644
--- a/pandas/tests/io/json/test_compression.py
+++ b/pandas/tests/io/json/test_compression.py
@@ -7,8 +7,6 @@
import pandas as pd
import pandas._testing as tm
-pytestmark = td.s... | xref https://github.com/pandas-dev/pandas/issues/39146
This already enables most of the JSON tests (it are only the table schema tests that are segfaulting). Those are mostly working because the JSON writer falls back to using `df.values`. This only gives some errors with datetime formatting, for which one test is s... | https://api.github.com/repos/pandas-dev/pandas/pulls/41075 | 2021-04-21T11:40:19Z | 2021-04-21T17:20:50Z | 2021-04-21T17:20:50Z | 2021-04-21T17:20:53Z |
TYP: Specify specific type for NumericIndex._values | diff --git a/pandas/core/indexes/numeric.py b/pandas/core/indexes/numeric.py
index 28144af36d6ea..cd75336ad7bdf 100644
--- a/pandas/core/indexes/numeric.py
+++ b/pandas/core/indexes/numeric.py
@@ -48,6 +48,7 @@ class NumericIndex(Index):
This is an abstract class.
"""
+ _values: np.ndarray
_default_... | Typing clean-up for numeric indexes. | https://api.github.com/repos/pandas-dev/pandas/pulls/41073 | 2021-04-21T10:47:20Z | 2021-04-21T21:54:07Z | 2021-04-21T21:54:07Z | 2021-06-13T10:08:10Z |
REF/TYP: implement NDFrameApply | diff --git a/pandas/core/apply.py b/pandas/core/apply.py
index 86cde647cc798..9a75857c2586d 100644
--- a/pandas/core/apply.py
+++ b/pandas/core/apply.py
@@ -137,14 +137,6 @@ def f(x):
self.orig_f: AggFuncType = func
self.f: AggFuncType = f
- @property
- def index(self) -> Index:
- retur... | if called from GroupByApply or ResamplerWindowApply, these would raise | https://api.github.com/repos/pandas-dev/pandas/pulls/41067 | 2021-04-21T03:39:56Z | 2021-04-28T15:18:49Z | 2021-04-28T15:18:49Z | 2021-04-28T15:53:23Z |
REF: BaseGroupBy methods belong in GroupBy | diff --git a/pandas/core/groupby/generic.py b/pandas/core/groupby/generic.py
index 4a721ae0d4bf6..a059a90aa3a4e 100644
--- a/pandas/core/groupby/generic.py
+++ b/pandas/core/groupby/generic.py
@@ -345,6 +345,49 @@ def _aggregate_multiple_funcs(self, arg):
)
return self.obj._constructor_expanddim(outpu... | BaseGroupBy is also subclassed by Resampler; if Resampler ever accessed these methods they'd get an AttributeError.
Once non-direct move is _cython_agg_general, where the implementation is moved to SeriesGroupBy instead of GroupBy, bc DataFrameGroupBy overrides it. | https://api.github.com/repos/pandas-dev/pandas/pulls/41066 | 2021-04-21T03:06:20Z | 2021-04-22T22:17:16Z | 2021-04-22T22:17:16Z | 2021-04-22T22:19:30Z |
REF: make maybe_cast_result_dtype a WrappedCythonOp method | diff --git a/pandas/core/dtypes/cast.py b/pandas/core/dtypes/cast.py
index e91927d87d318..d739b46620032 100644
--- a/pandas/core/dtypes/cast.py
+++ b/pandas/core/dtypes/cast.py
@@ -406,42 +406,6 @@ def maybe_cast_pointwise_result(
return result
-def maybe_cast_result_dtype(dtype: DtypeObj, how: str) -> DtypeOb... | Abstraction-wise, this is a much better place for it. | https://api.github.com/repos/pandas-dev/pandas/pulls/41065 | 2021-04-21T02:45:29Z | 2021-04-23T01:45:31Z | 2021-04-23T01:45:31Z | 2021-04-23T01:46:28Z |
CLN: Clean-up numeric index dtype validation | diff --git a/pandas/core/indexes/numeric.py b/pandas/core/indexes/numeric.py
index 28144af36d6ea..2182b3647533e 100644
--- a/pandas/core/indexes/numeric.py
+++ b/pandas/core/indexes/numeric.py
@@ -1,6 +1,8 @@
+from __future__ import annotations
+
from typing import (
+ Callable,
Hashable,
- Optional,
)
im... | The use of a dict with `_typ` attributes as keys in `NumericIndex._validate_dtype` makes it complicated to subclass numeric indexes and change the subclass' `_typ` attribute.
This PR makes the dtype validation in `NumericIndex._validate_dtype` not dependent on the value of the `_typ` attribute, making subclassing mo... | https://api.github.com/repos/pandas-dev/pandas/pulls/41063 | 2021-04-20T22:43:48Z | 2021-04-21T12:43:55Z | 2021-04-21T12:43:55Z | 2022-02-06T11:49:39Z |
REF: move only-used-once mixins to resample | diff --git a/pandas/core/groupby/base.py b/pandas/core/groupby/base.py
index 50248d5af8883..7211fc1b71b54 100644
--- a/pandas/core/groupby/base.py
+++ b/pandas/core/groupby/base.py
@@ -7,83 +7,8 @@
import collections
-from pandas._typing import final
-
-from pandas.core.dtypes.common import (
- is_list_like,
- ... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/41058 | 2021-04-20T17:46:47Z | 2021-04-20T22:54:47Z | 2021-04-20T22:54:47Z | 2021-04-20T23:01:14Z |
DOC: more accurate wording in roadmap | diff --git a/doc/source/development/roadmap.rst b/doc/source/development/roadmap.rst
index 8223edcf6f63a..37e45bf5a42b5 100644
--- a/doc/source/development/roadmap.rst
+++ b/doc/source/development/roadmap.rst
@@ -71,8 +71,8 @@ instead of comparing as False).
Long term, we want to introduce consistent missing data ha... | This came up the other day in https://github.com/pandas-dev/pandas/pull/40651#issuecomment-820671958. As I [originally](https://github.com/pandas-dev/pandas/pull/35208#issuecomment-656879885) said in the PR that put this inaccurate wording in, this overstates the degree to which there is consensus. | https://api.github.com/repos/pandas-dev/pandas/pulls/41057 | 2021-04-20T17:40:46Z | 2021-04-20T22:55:13Z | 2021-04-20T22:55:13Z | 2021-04-20T22:59:46Z |
[ArrowStringArray] Use utf8_upper and utf8_lower functions from Apache Arrow | diff --git a/pandas/core/arrays/string_arrow.py b/pandas/core/arrays/string_arrow.py
index ecbb5367febc5..dd09ef4e585ce 100644
--- a/pandas/core/arrays/string_arrow.py
+++ b/pandas/core/arrays/string_arrow.py
@@ -757,3 +757,9 @@ def _str_map(self, f, na_value=None, dtype: Dtype | None = None):
# or .fin... | ```
data = ["Mouse", "dog", "house and parrot", "23", np.NaN] * 100_000
s = pd.Series(data, dtype="string")
s1 = pd.Series(data, dtype="arrow_string")
%timeit s.str.upper()
# 63.8 ms ± 259 µs per loop (mean ± std. dev. of 7 runs, 10 loops each)
%timeit s1.str.upper()
# 92 ms ± 152 µs per loop (mean ± std. de... | https://api.github.com/repos/pandas-dev/pandas/pulls/41056 | 2021-04-20T15:01:06Z | 2021-04-20T22:58:18Z | 2021-04-20T22:58:18Z | 2021-07-03T15:10:13Z |
BUG: Handle zero-chunked pyarrow.ChunkedArray in StringArray | diff --git a/doc/source/whatsnew/v1.3.0.rst b/doc/source/whatsnew/v1.3.0.rst
index 85d9acff353be..81f5ad34c53a0 100644
--- a/doc/source/whatsnew/v1.3.0.rst
+++ b/doc/source/whatsnew/v1.3.0.rst
@@ -700,7 +700,7 @@ Conversion
Strings
^^^^^^^
--
+- Bug in the conversion from ``pyarrow.ChunkedArray`` to :class:`~arrays... | - [x] closes #41040
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [x] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/41052 | 2021-04-20T08:06:20Z | 2021-04-21T19:44:50Z | 2021-04-21T19:44:50Z | 2021-04-22T08:19:28Z |
PERF: optimize conversion from boolean Arrow array to masked BooleanArray | diff --git a/doc/source/whatsnew/v1.3.0.rst b/doc/source/whatsnew/v1.3.0.rst
index 85d9acff353be..74a302922c2aa 100644
--- a/doc/source/whatsnew/v1.3.0.rst
+++ b/doc/source/whatsnew/v1.3.0.rst
@@ -624,6 +624,7 @@ Performance improvements
- Performance improvement in :class:`Styler` where render times are more than 50%... | For arrays without missing values it doesn't change, but gives a decent speed-up when having missing values:
```
In [1]: arr1 = pa.array([True, False, True, True, False]*100_000)
In [2]: arr2 = pa.array([True, False, None, True, False]*100_000)
In [3]: %timeit pd.BooleanDtype().__from_arrow__(arr1)
9.34 ms ±... | https://api.github.com/repos/pandas-dev/pandas/pulls/41051 | 2021-04-20T07:52:10Z | 2021-04-21T16:09:14Z | 2021-04-21T16:09:14Z | 2021-04-21T16:09:18Z |
DOC: Improve to_datetime() documentation | diff --git a/pandas/core/tools/datetimes.py b/pandas/core/tools/datetimes.py
index 77bbde62d607e..d4c3760f3e629 100644
--- a/pandas/core/tools/datetimes.py
+++ b/pandas/core/tools/datetimes.py
@@ -851,8 +851,19 @@ def to_datetime(
>>> pd.to_datetime([1, 2, 3], unit='D',
... origin=pd.Timestam... | Returns Object Type Index when Mixed Timezones are used in list-like input to pandas.to_datetime()
- [x] closes #40808
- [ ] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [ ] whats... | https://api.github.com/repos/pandas-dev/pandas/pulls/41049 | 2021-04-20T03:26:33Z | 2021-04-21T16:24:18Z | 2021-04-21T16:24:18Z | 2021-04-21T16:24:23Z |
REF: remove no-op casting in groupby.generic | diff --git a/pandas/core/groupby/generic.py b/pandas/core/groupby/generic.py
index a381a7bcb33f5..4a721ae0d4bf6 100644
--- a/pandas/core/groupby/generic.py
+++ b/pandas/core/groupby/generic.py
@@ -46,7 +46,6 @@
from pandas.core.dtypes.cast import (
find_common_type,
- maybe_cast_result_dtype,
maybe_down... | Simplify _get_cython_function
Raise TypeError instead of NotImplementedError in cases where we shouldn't bother falling back to py_fallback | https://api.github.com/repos/pandas-dev/pandas/pulls/41048 | 2021-04-20T02:11:16Z | 2021-04-20T13:12:04Z | 2021-04-20T13:12:04Z | 2021-04-20T16:02:00Z |
BUG: Slice Arrow buffer before passing it to numpy (#40896) | diff --git a/doc/source/whatsnew/v1.3.0.rst b/doc/source/whatsnew/v1.3.0.rst
index 0e567972e7823..02d64e96e380b 100644
--- a/doc/source/whatsnew/v1.3.0.rst
+++ b/doc/source/whatsnew/v1.3.0.rst
@@ -796,6 +796,7 @@ I/O
- Bug in :func:`read_excel` dropping empty values from single-column spreadsheets (:issue:`39808`)
- ... | Add Arrow buffer slicing before handing it over to numpy which is
needed in case the Arrow buffer contains padding or offset.
- [x] closes #40896
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for h... | https://api.github.com/repos/pandas-dev/pandas/pulls/41046 | 2021-04-19T18:14:00Z | 2021-04-28T13:07:33Z | 2021-04-28T13:07:33Z | 2021-04-28T13:07:44Z |
PERF: implement get_slice in cython | diff --git a/pandas/_libs/internals.pyi b/pandas/_libs/internals.pyi
index a46a1747d1d8d..f3436e9c7afba 100644
--- a/pandas/_libs/internals.pyi
+++ b/pandas/_libs/internals.pyi
@@ -79,3 +79,5 @@ class BlockManager:
_blklocs: np.ndarray
def __init__(self, blocks: tuple[B, ...], axes: list[Index], verify_inte... | I'm seeing a 13-19% improvement in the motivating benchmark https://github.com/pandas-dev/pandas/pull/40171#issuecomment-790219422 | https://api.github.com/repos/pandas-dev/pandas/pulls/41045 | 2021-04-19T17:38:19Z | 2021-04-19T23:21:23Z | 2021-04-19T23:21:23Z | 2021-04-19T23:24:42Z |
ENH: option to export df to Stata dataset with value labels | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index fee8334940a16..9166b28af4e78 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -101,6 +101,7 @@ Other enhancements
- :meth:`Series.ewm`, :meth:`DataFrame.ewm`, now support a ``method`` argument with a `... | GH38454
- [x] closes #38454
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [x] whatsnew entry | https://api.github.com/repos/pandas-dev/pandas/pulls/41042 | 2021-04-19T15:17:22Z | 2021-09-10T08:49:20Z | 2021-09-10T08:49:19Z | 2021-09-13T14:00:22Z |
TST: remove __main__ from all test files | diff --git a/pandas/api/tests/test_api.py b/pandas/api/tests/test_api.py
index 410d70c65404f..f925fd792f9ca 100644
--- a/pandas/api/tests/test_api.py
+++ b/pandas/api/tests/test_api.py
@@ -227,8 +227,3 @@ def test_deprecation_access_obj(self):
with tm.assert_produces_warning(FutureWarning,
... | xref #13856 | https://api.github.com/repos/pandas-dev/pandas/pulls/15330 | 2017-02-07T14:47:12Z | 2017-02-07T16:13:30Z | 2017-02-07T16:13:30Z | 2017-02-07T16:13:49Z |
DOC/CI: ensure correct pandas version (GH15311) | diff --git a/ci/build_docs.sh b/ci/build_docs.sh
index 4dc9a203f1978..5dc649a91c4f7 100755
--- a/ci/build_docs.sh
+++ b/ci/build_docs.sh
@@ -22,8 +22,8 @@ if [ x"$DOC_BUILD" != x"" ]; then
echo "Will build docs"
source activate pandas
- conda install -n pandas -c r r rpy2 --yes
+ # install sudo deps... | closes #15311
| https://api.github.com/repos/pandas-dev/pandas/pulls/15317 | 2017-02-06T14:14:33Z | 2017-02-06T15:55:39Z | 2017-02-06T15:55:39Z | 2017-02-06T15:55:39Z |
Added a tutorial for pandas dataframes | diff --git a/doc/source/tutorials.rst b/doc/source/tutorials.rst
index c25e734a046b2..401a6446673cf 100644
--- a/doc/source/tutorials.rst
+++ b/doc/source/tutorials.rst
@@ -150,3 +150,4 @@ Various Tutorials
- `Intro to pandas data structures, by Greg Reda <http://www.gregreda.com/2013/10/26/intro-to-pandas-data-struct... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] passes ``git diff upstream/master | flake8 --diff``
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/15295 | 2017-02-03T09:28:24Z | 2017-02-03T13:50:26Z | 2017-02-03T13:50:26Z | 2017-02-03T13:50:29Z |
COMPAT: xarray 0.8.2 test compat w.r.t. CategoricalIndex idempotency | diff --git a/ci/install_travis.sh b/ci/install_travis.sh
index ded428c677f17..52b52d787aade 100755
--- a/ci/install_travis.sh
+++ b/ci/install_travis.sh
@@ -143,7 +143,7 @@ else
echo "[pip installs]"
REQ="ci/requirements-${PYTHON_VERSION}${JOB_TAG}.pip"
if [ -e ${REQ} ]; then
- pip install --upgrad... | closes #15282
| https://api.github.com/repos/pandas-dev/pandas/pulls/15285 | 2017-02-01T19:37:19Z | 2017-02-01T22:55:41Z | 2017-02-01T22:55:41Z | 2017-02-01T22:55:41Z |
CLN: remove build warnings from tslib.pyx, saslib.pyx, some from lib.pyx | diff --git a/pandas/io/sas/saslib.pyx b/pandas/io/sas/saslib.pyx
index a66d62ea41581..4396180da44cb 100644
--- a/pandas/io/sas/saslib.pyx
+++ b/pandas/io/sas/saslib.pyx
@@ -311,7 +311,7 @@ cdef class Parser(object):
self.current_page_subheaders_count =\
self.parser._current_page_subheaders_count
... | https://api.github.com/repos/pandas-dev/pandas/pulls/15264 | 2017-01-30T16:11:53Z | 2017-01-30T17:39:51Z | 2017-01-30T17:39:51Z | 2017-01-30T23:27:01Z | |
TST: MultiIndex Slicing maintains first level index (#12697) | diff --git a/pandas/tests/indexing/test_indexing.py b/pandas/tests/indexing/test_indexing.py
index a6eb3c8a891e7..f7fa07916ca74 100644
--- a/pandas/tests/indexing/test_indexing.py
+++ b/pandas/tests/indexing/test_indexing.py
@@ -5392,6 +5392,23 @@ def test_maybe_numeric_slice(self):
expected = [1]
sel... | - [x] closes #12697
- [x] tests added / passed
- [x] passes ``git diff upstream/master | flake8 --diff``
The original issue appears to work correctly on master and doesn't seem to have been fixed by a PR from 0.20.0 | https://api.github.com/repos/pandas-dev/pandas/pulls/15255 | 2017-01-29T09:58:31Z | 2017-01-29T21:52:56Z | 2017-01-29T21:52:56Z | 2017-12-20T02:04:06Z |
TST: incorrect locale specification for datetime format | diff --git a/pandas/tseries/tests/test_timeseries.py b/pandas/tseries/tests/test_timeseries.py
index 4d286fc62764c..b5daf1ac0ec68 100644
--- a/pandas/tseries/tests/test_timeseries.py
+++ b/pandas/tseries/tests/test_timeseries.py
@@ -1,4 +1,5 @@
# pylint: disable-msg=E1101,W0612
+import locale
import calendar
import ... | closes #15215
| https://api.github.com/repos/pandas-dev/pandas/pulls/15233 | 2017-01-26T00:21:58Z | 2017-01-26T02:31:04Z | 2017-01-26T02:31:04Z | 2017-01-26T02:31:04Z |
BUG/API: Return a Series from DataFrame.asof with no match | diff --git a/doc/source/whatsnew/v0.20.0.txt b/doc/source/whatsnew/v0.20.0.txt
index 86fa919fec304..07c90b1e64f29 100644
--- a/doc/source/whatsnew/v0.20.0.txt
+++ b/doc/source/whatsnew/v0.20.0.txt
@@ -327,7 +327,7 @@ Other API Changes
- ``pd.read_csv()`` will now raise a ``ValueError`` for the C engine if the quote ch... | - [x] closes #15118
- [x] tests added / passed
- [x] passes ``git diff upstream/master | flake8 --diff``
- [x] whatsnew entry
Technically this is an API change, but more of a bug so didn't think there was a need to warn / deprecate?
Also there seems to be room to clean up the whole `asof` implementation, x... | https://api.github.com/repos/pandas-dev/pandas/pulls/15232 | 2017-01-26T00:12:31Z | 2017-01-26T12:37:53Z | 2017-01-26T12:37:53Z | 2017-01-26T12:37:55Z |
CLN: remove deprecated google-analytics module (GH11308) | diff --git a/doc/source/remote_data.rst b/doc/source/remote_data.rst
index 019aa82fed1aa..7980133582125 100644
--- a/doc/source/remote_data.rst
+++ b/doc/source/remote_data.rst
@@ -29,63 +29,3 @@ modules to be independently updated to your pandas installation. The API for
.. code-block:: python
from pandas... | https://api.github.com/repos/pandas-dev/pandas/pulls/15223 | 2017-01-25T11:09:43Z | 2017-01-25T15:43:14Z | 2017-01-25T15:43:14Z | 2017-01-25T15:43:14Z | |
BLD: hashtable.pxd is a pxd depends for _join, hashtable, and index | diff --git a/setup.py b/setup.py
index 8cdd72b2f4682..1c9972defabbe 100755
--- a/setup.py
+++ b/setup.py
@@ -490,13 +490,13 @@ def pxd(name):
index={'pyxfile': 'index',
'sources': ['pandas/src/datetime/np_datetime.c',
'pandas/src/datetime/np_datetime_strings.c'],
- 'px... | https://api.github.com/repos/pandas-dev/pandas/pulls/15218 | 2017-01-25T01:51:36Z | 2017-01-25T12:01:34Z | 2017-01-25T12:01:34Z | 2017-01-25T12:01:34Z | |
BLD: remove more build warnings | diff --git a/pandas/src/numpy_helper.h b/pandas/src/numpy_helper.h
index 17d5ec12f4f79..809edb2e99fa2 100644
--- a/pandas/src/numpy_helper.h
+++ b/pandas/src/numpy_helper.h
@@ -125,7 +125,7 @@ PyObject* sarr_from_data(PyArray_Descr* descr, int length, void* data) {
void transfer_object_column(char* dst, char* src, s... | https://api.github.com/repos/pandas-dev/pandas/pulls/15191 | 2017-01-22T17:36:03Z | 2017-01-22T21:42:57Z | 2017-01-22T21:42:57Z | 2017-01-22T21:42:57Z | |
CI: add matplotlib, xlwt to build for 3.6 | diff --git a/ci/requirements-3.6.pip b/ci/requirements-3.6.pip
index 688866a18542f..e69de29bb2d1d 100644
--- a/ci/requirements-3.6.pip
+++ b/ci/requirements-3.6.pip
@@ -1 +0,0 @@
-xlwt
diff --git a/ci/requirements-3.6.run b/ci/requirements-3.6.run
index daf07be2d1785..5d9cb05a7b402 100644
--- a/ci/requirements-3.6.run
... | https://api.github.com/repos/pandas-dev/pandas/pulls/15189 | 2017-01-22T16:08:25Z | 2017-01-22T16:20:58Z | 2017-01-22T16:20:58Z | 2017-01-23T20:01:16Z | |
CLN: remove build warnings in join_asof indexers | diff --git a/pandas/src/algos_common_helper.pxi.in b/pandas/src/algos_common_helper.pxi.in
index a579a5020f6e7..5e87528943005 100644
--- a/pandas/src/algos_common_helper.pxi.in
+++ b/pandas/src/algos_common_helper.pxi.in
@@ -374,7 +374,7 @@ def is_monotonic_{{name}}(ndarray[{{c_type}}] arr, bint timelike):
n = len... | https://api.github.com/repos/pandas-dev/pandas/pulls/15188 | 2017-01-22T16:08:02Z | 2017-01-22T17:20:19Z | 2017-01-22T17:20:19Z | 2017-01-22T17:20:19Z | |
DEPR: remove openpyxl deprecation warnings | diff --git a/pandas/io/excel.py b/pandas/io/excel.py
index 6b7c597ecfcdc..f34ba65cf7b51 100644
--- a/pandas/io/excel.py
+++ b/pandas/io/excel.py
@@ -788,9 +788,15 @@ def __init__(self, path, engine=None, **engine_kwargs):
# Create workbook object with default optimized_write=True.
self.book = Workbo... | closes #15090
| https://api.github.com/repos/pandas-dev/pandas/pulls/15185 | 2017-01-21T16:31:05Z | 2017-01-21T16:49:22Z | 2017-01-21T16:49:22Z | 2017-01-21T16:49:22Z |
BLD: Remove csv dialect warning in io.rst | diff --git a/doc/source/io.rst b/doc/source/io.rst
index c53083238e098..6152f83675867 100644
--- a/doc/source/io.rst
+++ b/doc/source/io.rst
@@ -419,6 +419,7 @@ finds the closing double quote.
We can get around this using ``dialect``
.. ipython:: python
+ :okwarning:
dia = csv.excel()
dia.quoting = csv.... | Title is self-explanatory.
xref <a href="https://github.com/pandas-dev/pandas/pull/14911#issuecomment-273896473">#14911 (comment)</a>. | https://api.github.com/repos/pandas-dev/pandas/pulls/15177 | 2017-01-20T10:29:53Z | 2017-01-20T20:53:11Z | 2017-01-20T20:53:11Z | 2017-01-21T08:40:15Z |
DOC: add subsequent_indent to wrapped text | diff --git a/pandas/io/parsers.py b/pandas/io/parsers.py
index fdf26fdef6b25..f8905dfa315c4 100755
--- a/pandas/io/parsers.py
+++ b/pandas/io/parsers.py
@@ -148,7 +148,8 @@
na_values : scalar, str, list-like, or dict, default None
Additional strings to recognize as NA/NaN. If dict passed, specific
per-column... | Hey guys,
This should fix the parsing error in the [read_csv documentation](http://pandas.pydata.org/pandas-docs/stable/generated/pandas.read_csv.html#pandas.read_csv) :
`fill` wraps the line to 70 ch... | https://api.github.com/repos/pandas-dev/pandas/pulls/15173 | 2017-01-19T22:09:04Z | 2017-01-22T11:35:13Z | 2017-01-22T11:35:13Z | 2017-01-22T11:35:24Z |
CI: have 34_SLOW build use matplotlib latest from conda-forge | diff --git a/ci/requirements-3.4_SLOW.build b/ci/requirements-3.4_SLOW.build
index de36b1afb9fa4..c05a68a14b402 100644
--- a/ci/requirements-3.4_SLOW.build
+++ b/ci/requirements-3.4_SLOW.build
@@ -1,4 +1,4 @@
python-dateutil
pytz
-numpy=1.9.3
+numpy=1.10*
cython
diff --git a/ci/requirements-3.4_SLOW.run b/ci/require... | CI: change 34_SLOW to use numpy 1.10* as mpl 2.0 requires anyhow
| https://api.github.com/repos/pandas-dev/pandas/pulls/15170 | 2017-01-19T20:28:37Z | 2017-01-19T21:53:38Z | 2017-01-19T21:53:38Z | 2017-01-19T21:53:38Z |
DOC: Clarified wording of coerce_float | diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index 504554d6410f9..ef8b7a0d16bdc 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -962,7 +962,7 @@ def from_records(cls, data, index=None, exclude=None, columns=None,
in the result (any names not found in the data will become all-NA
... | I think this is the intended meaning (and it matches with use). | https://api.github.com/repos/pandas-dev/pandas/pulls/15164 | 2017-01-19T12:58:06Z | 2017-01-19T13:57:19Z | 2017-01-19T13:57:19Z | 2017-01-19T13:57:21Z |
Apply fontsize to both x- and y-axis tick labels | diff --git a/doc/source/whatsnew/v0.20.0.txt b/doc/source/whatsnew/v0.20.0.txt
index f3d60fa8cc05f..798151971363e 100644
--- a/doc/source/whatsnew/v0.20.0.txt
+++ b/doc/source/whatsnew/v0.20.0.txt
@@ -439,6 +439,9 @@ Bug Fixes
- Bug in ``pd.read_csv()`` for the C engine where ``usecols`` were being indexed incorrectly... | - [x] closes #15108
- [x] tests added / passed
- [x] passes ``git diff upstream/master | flake8 --diff``
- [x] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/15161 | 2017-01-19T08:16:39Z | 2017-01-20T17:12:58Z | 2017-01-20T17:12:58Z | 2017-01-20T17:13:03Z |
CI: add .pxi.in to build caching | diff --git a/ci/prep_cython_cache.sh b/ci/prep_cython_cache.sh
index cadc356b641f9..e091bb00ccedc 100755
--- a/ci/prep_cython_cache.sh
+++ b/ci/prep_cython_cache.sh
@@ -3,8 +3,8 @@
ls "$HOME/.cache/"
PYX_CACHE_DIR="$HOME/.cache/pyxfiles"
-pyx_file_list=`find ${TRAVIS_BUILD_DIR} -name "*.pyx" -o -name "*.pxd"`
-pyx_... | closes #15154
| https://api.github.com/repos/pandas-dev/pandas/pulls/15159 | 2017-01-19T02:20:20Z | 2017-01-19T02:22:15Z | 2017-01-19T02:22:14Z | 2017-01-19T02:22:15Z |
DOC: fix doc-build for .ix deprecations in whatsnew | diff --git a/doc/source/indexing.rst b/doc/source/indexing.rst
index 9c653f6d9eeff..e2916c2d969d6 100644
--- a/doc/source/indexing.rst
+++ b/doc/source/indexing.rst
@@ -586,7 +586,7 @@ Using ``.loc``. Here we will select the appropriate indexes from the index, then
.. ipython:: python
- dfd.loc[df.index[[0, 2]], ... | https://api.github.com/repos/pandas-dev/pandas/pulls/15158 | 2017-01-19T01:59:44Z | 2017-01-19T02:01:45Z | 2017-01-19T02:01:45Z | 2017-01-19T02:01:46Z | |
CLN/DEPR: remove deprecated pandas.rpy module (GH9602) | diff --git a/ci/lint.sh b/ci/lint.sh
index 5c4613f88649e..2cbfdadf486b8 100755
--- a/ci/lint.sh
+++ b/ci/lint.sh
@@ -8,10 +8,9 @@ RET=0
if [ "$LINT" ]; then
- # pandas/rpy is deprecated and will be removed.
# pandas/src is C code, so no need to search there.
echo "Linting *.py"
- flake8 pandas --f... | Closes #9602 | https://api.github.com/repos/pandas-dev/pandas/pulls/15142 | 2017-01-16T15:47:42Z | 2017-01-22T12:15:10Z | 2017-01-22T12:15:10Z | 2018-04-10T11:35:47Z |
MAINT: remove shebang from test modules | diff --git a/pandas/computation/tests/test_compat.py b/pandas/computation/tests/test_compat.py
index 80b415739c647..8e8924379f153 100644
--- a/pandas/computation/tests/test_compat.py
+++ b/pandas/computation/tests/test_compat.py
@@ -1,4 +1,3 @@
-#!/usr/bin/env python
# flake8: noqa
diff --git a/pandas/computation/... | - [x] closes #15131 | https://api.github.com/repos/pandas-dev/pandas/pulls/15134 | 2017-01-15T12:51:43Z | 2017-01-15T16:09:03Z | 2017-01-15T16:09:02Z | 2017-07-11T10:06:15Z |
TST: tests.groupby needs to be a package to run tests | diff --git a/pandas/tests/groupby/__init__.py b/pandas/tests/groupby/__init__.py
new file mode 100644
index 0000000000000..e69de29bb2d1d
diff --git a/pandas/tests/groupby/test_groupby.py b/pandas/tests/groupby/test_groupby.py
index 8e61fa3a5fb66..873c63ca257c4 100644
--- a/pandas/tests/groupby/test_groupby.py
+++ b/pan... | skip parts of cummin test, xref #15109
| https://api.github.com/repos/pandas-dev/pandas/pulls/15127 | 2017-01-13T19:34:21Z | 2017-01-13T20:21:22Z | 2017-01-13T20:21:22Z | 2017-01-13T20:21:22Z |
Fix typo in docstring | diff --git a/pandas/util/testing.py b/pandas/util/testing.py
index 05517bf6cf53a..d96f57f2810e3 100644
--- a/pandas/util/testing.py
+++ b/pandas/util/testing.py
@@ -1220,7 +1220,7 @@ def assert_frame_equal(left, right, check_dtype=True,
are identical.
check_frame_type : bool, default False
Whethe... | it -> int | https://api.github.com/repos/pandas-dev/pandas/pulls/15121 | 2017-01-12T21:53:39Z | 2017-01-12T22:10:59Z | 2017-01-12T22:10:59Z | 2017-01-12T22:11:11Z |
TST: Add another test for uneven CSV rows | diff --git a/pandas/io/tests/parser/usecols.py b/pandas/io/tests/parser/usecols.py
index 96790e872abc3..4875282067fb3 100644
--- a/pandas/io/tests/parser/usecols.py
+++ b/pandas/io/tests/parser/usecols.py
@@ -465,3 +465,13 @@ def test_uneven_length_cols(self):
[10, 20, 30]])
df =... | Title is self-explanatory.
xref #15066.
Closes #9549.
| https://api.github.com/repos/pandas-dev/pandas/pulls/15114 | 2017-01-12T05:30:30Z | 2017-01-12T22:33:49Z | 2017-01-12T22:33:49Z | 2017-01-12T22:38:24Z |
TST: add network decorator on parser network tests for compressed url in parser | diff --git a/pandas/io/tests/parser/test_network.py b/pandas/io/tests/parser/test_network.py
index 8e71cf1cc7e4c..d84c2ae3beb0c 100644
--- a/pandas/io/tests/parser/test_network.py
+++ b/pandas/io/tests/parser/test_network.py
@@ -30,8 +30,9 @@ def __init__(self):
self.base_url = ('https://github.com/pandas-dev/... | https://api.github.com/repos/pandas-dev/pandas/pulls/15102 | 2017-01-10T21:09:15Z | 2017-01-10T21:46:55Z | 2017-01-10T21:46:55Z | 2017-01-10T21:46:55Z | |
CLN: check NULL and have similar __dealloc__ code for all hashtables | diff --git a/pandas/src/hashtable_class_helper.pxi.in b/pandas/src/hashtable_class_helper.pxi.in
index b26839599ef38..1d3c4b2cb5889 100644
--- a/pandas/src/hashtable_class_helper.pxi.in
+++ b/pandas/src/hashtable_class_helper.pxi.in
@@ -85,7 +85,9 @@ cdef class {{name}}Vector:
self.data.data = <{{arg}}*> self.... | https://api.github.com/repos/pandas-dev/pandas/pulls/15101 | 2017-01-10T18:16:48Z | 2017-01-10T21:11:27Z | 2017-01-10T21:11:27Z | 2017-01-10T21:11:27Z | |
TST: close sas read handles properly in tests | diff --git a/pandas/io/tests/sas/test_sas7bdat.py b/pandas/io/tests/sas/test_sas7bdat.py
index e20ea48247119..69073a90e9669 100644
--- a/pandas/io/tests/sas/test_sas7bdat.py
+++ b/pandas/io/tests/sas/test_sas7bdat.py
@@ -51,6 +51,7 @@ def test_from_buffer(self):
iterator=True, encodin... | https://api.github.com/repos/pandas-dev/pandas/pulls/15100 | 2017-01-10T18:15:51Z | 2017-01-10T21:10:05Z | 2017-01-10T21:10:05Z | 2017-01-10T21:10:05Z | |
DEPR: deprecate sortlevel in favor of sort_index | diff --git a/doc/source/api.rst b/doc/source/api.rst
index 272dfe72eafe7..b7a1b8a005d89 100644
--- a/doc/source/api.rst
+++ b/doc/source/api.rst
@@ -418,7 +418,6 @@ Reshaping, sorting
Series.reorder_levels
Series.sort_values
Series.sort_index
- Series.sortlevel
Series.swaplevel
Series.unstack
... | closes #14279
| https://api.github.com/repos/pandas-dev/pandas/pulls/15099 | 2017-01-10T15:38:41Z | 2017-01-11T08:02:34Z | 2017-01-11T08:02:34Z | 2017-01-11T08:02:34Z |
fix misspelled word | diff --git a/pandas/formats/style.py b/pandas/formats/style.py
index 4d5e72a38bb98..b3e0f0f6c7462 100644
--- a/pandas/formats/style.py
+++ b/pandas/formats/style.py
@@ -781,7 +781,7 @@ def background_gradient(self, cmap='PuBu', low=0, high=0, axis=0,
low, high: float
compress the range by these va... | `colunwise` should be `columnwise`
| https://api.github.com/repos/pandas-dev/pandas/pulls/15097 | 2017-01-10T15:28:36Z | 2017-01-10T15:37:15Z | 2017-01-10T15:37:15Z | 2017-01-10T15:37:18Z |
BUG: use more generic type inference for fast plotting | diff --git a/doc/source/whatsnew/v0.20.0.txt b/doc/source/whatsnew/v0.20.0.txt
index c82dc370e3e71..a13b97266811a 100644
--- a/doc/source/whatsnew/v0.20.0.txt
+++ b/doc/source/whatsnew/v0.20.0.txt
@@ -248,6 +248,7 @@ Other API Changes
- ``pd.read_csv()`` will now issue a ``ParserWarning`` whenever there are conflictin... | xref #15073
https://travis-ci.org/pandas-dev/pandas/jobs/190356982
was failing on tz-aware dtypes. these routines are the same in that they require datetime64ns (but any *also* accepts tz-aware). | https://api.github.com/repos/pandas-dev/pandas/pulls/15094 | 2017-01-10T00:42:26Z | 2017-01-12T23:33:39Z | 2017-01-12T23:33:39Z | 2017-01-12T23:33:39Z |
BUG: Inconsistent return type for downsampling on resample of empty DataFrame | diff --git a/doc/source/whatsnew/v0.21.0.txt b/doc/source/whatsnew/v0.21.0.txt
index 36ca79e8b8714..56275cda80e57 100644
--- a/doc/source/whatsnew/v0.21.0.txt
+++ b/doc/source/whatsnew/v0.21.0.txt
@@ -112,6 +112,7 @@ Plotting
Groupby/Resample/Rolling
^^^^^^^^^^^^^^^^^^^^^^^^
+- Bug in ``DataFrame.resample().size()`... | - [x] closes #14962
- [x] tests added / passed
- [x] passes ``git diff upstream/master | flake8 --diff``
- [x] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/15093 | 2017-01-09T21:58:41Z | 2017-06-13T23:16:03Z | 2017-06-13T23:16:03Z | 2017-06-13T23:16:07Z |
BLD: add deps for 3.6 build | diff --git a/ci/requirements-3.6.pip b/ci/requirements-3.6.pip
new file mode 100644
index 0000000000000..688866a18542f
--- /dev/null
+++ b/ci/requirements-3.6.pip
@@ -0,0 +1 @@
+xlwt
diff --git a/ci/requirements-3.6.run b/ci/requirements-3.6.run
index 684dab333648a..daf07be2d1785 100644
--- a/ci/requirements-3.6.run
++... | https://api.github.com/repos/pandas-dev/pandas/pulls/15089 | 2017-01-09T18:48:48Z | 2017-01-09T18:48:53Z | 2017-01-09T18:48:53Z | 2017-01-09T18:48:54Z | |
TYP: EA.isin | diff --git a/pandas/core/arrays/arrow/array.py b/pandas/core/arrays/arrow/array.py
index 5abdfe69e52c0..d8b074fe61322 100644
--- a/pandas/core/arrays/arrow/array.py
+++ b/pandas/core/arrays/arrow/array.py
@@ -1023,7 +1023,7 @@ def fillna(
return super().fillna(value=value, method=method, limit=limit, copy=co... | - [ ] closes #xxxx (Replace xxxx with the GitHub issue number)
- [ ] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/con... | https://api.github.com/repos/pandas-dev/pandas/pulls/56423 | 2023-12-09T03:15:16Z | 2023-12-09T18:29:50Z | 2023-12-09T18:29:50Z | 2023-12-09T18:30:15Z |
DEPR: make_block | diff --git a/doc/source/whatsnew/v2.2.0.rst b/doc/source/whatsnew/v2.2.0.rst
index 8a1906d20c243..c455aef452ecc 100644
--- a/doc/source/whatsnew/v2.2.0.rst
+++ b/doc/source/whatsnew/v2.2.0.rst
@@ -431,6 +431,7 @@ Other Deprecations
^^^^^^^^^^^^^^^^^^
- Changed :meth:`Timedelta.resolution_string` to return ``h``, ``mi... | xref #40226 | https://api.github.com/repos/pandas-dev/pandas/pulls/56422 | 2023-12-09T02:46:51Z | 2023-12-11T17:43:41Z | 2023-12-11T17:43:41Z | 2024-01-08T21:24:50Z |
DEPR: type argument in Index.view | diff --git a/doc/source/whatsnew/v2.2.0.rst b/doc/source/whatsnew/v2.2.0.rst
index 8a1906d20c243..410dfa3fd5b4a 100644
--- a/doc/source/whatsnew/v2.2.0.rst
+++ b/doc/source/whatsnew/v2.2.0.rst
@@ -438,6 +438,7 @@ Other Deprecations
- Deprecated :meth:`Series.view`, use :meth:`Series.astype` instead to change the dtype... | - [x] closes #55709 (Replace xxxx with the GitHub issue number)
- [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/co... | https://api.github.com/repos/pandas-dev/pandas/pulls/56421 | 2023-12-09T02:32:03Z | 2023-12-09T18:57:27Z | 2023-12-09T18:57:27Z | 2023-12-11T20:49:43Z |
CLN: Remove unnecessary copy keyword | diff --git a/pandas/_testing/asserters.py b/pandas/_testing/asserters.py
index 6cad71b3dfd18..d9db2bc5cddb4 100644
--- a/pandas/_testing/asserters.py
+++ b/pandas/_testing/asserters.py
@@ -1206,8 +1206,8 @@ def assert_frame_equal(
# compare by blocks
if by_blocks:
- rblocks = right._to_dict_of_blocks... | The copy keyword here is really not needed | https://api.github.com/repos/pandas-dev/pandas/pulls/56420 | 2023-12-08T23:08:29Z | 2023-12-09T01:00:55Z | 2023-12-09T01:00:55Z | 2023-12-09T08:11:45Z |
CoW: Update test with read-only array | diff --git a/pandas/tests/frame/methods/test_to_dict_of_blocks.py b/pandas/tests/frame/methods/test_to_dict_of_blocks.py
index 28973fe0d7900..7d08efe916a76 100644
--- a/pandas/tests/frame/methods/test_to_dict_of_blocks.py
+++ b/pandas/tests/frame/methods/test_to_dict_of_blocks.py
@@ -51,9 +51,7 @@ def test_no_copy_bloc... | - [ ] closes #xxxx (Replace xxxx with the GitHub issue number)
- [ ] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/con... | https://api.github.com/repos/pandas-dev/pandas/pulls/56418 | 2023-12-08T22:52:59Z | 2023-12-11T13:06:00Z | 2023-12-11T13:06:00Z | 2023-12-11T13:08:39Z |
ENH: unify warning message in to_offset() | diff --git a/pandas/_libs/tslibs/offsets.pyx b/pandas/_libs/tslibs/offsets.pyx
index 3ea8fbf69b28b..b893939969c68 100644
--- a/pandas/_libs/tslibs/offsets.pyx
+++ b/pandas/_libs/tslibs/offsets.pyx
@@ -4786,7 +4786,8 @@ cpdef to_offset(freq, bint is_period=False):
for n, (sep, stride, name) in enumerate(tup... | xref #56346
unified warning message for deprecated frequencies in to_offset in order to make test parametrization more clear | https://api.github.com/repos/pandas-dev/pandas/pulls/56417 | 2023-12-08T22:45:45Z | 2023-12-12T16:46:41Z | 2023-12-12T16:46:41Z | 2023-12-12T16:57:38Z |
CLN: generate_range | diff --git a/pandas/core/arrays/datetimelike.py b/pandas/core/arrays/datetimelike.py
index a88f40013b3f6..eb1c2ecc0b0fe 100644
--- a/pandas/core/arrays/datetimelike.py
+++ b/pandas/core/arrays/datetimelike.py
@@ -2103,7 +2103,9 @@ def _validate_frequency(cls, index, freq: BaseOffset, **kwargs):
) from err
... | - [ ] closes #xxxx (Replace xxxx with the GitHub issue number)
- [ ] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/con... | https://api.github.com/repos/pandas-dev/pandas/pulls/56416 | 2023-12-08T21:49:50Z | 2023-12-08T23:25:25Z | 2023-12-08T23:25:25Z | 2023-12-08T23:29:53Z |
BUG: fillna with mixed-resolution dt64/td64 | diff --git a/doc/source/whatsnew/v2.2.0.rst b/doc/source/whatsnew/v2.2.0.rst
index 8a1906d20c243..88a4f3aacc174 100644
--- a/doc/source/whatsnew/v2.2.0.rst
+++ b/doc/source/whatsnew/v2.2.0.rst
@@ -534,6 +534,7 @@ Datetimelike
- Bug in :meth:`Index.is_monotonic_increasing` and :meth:`Index.is_monotonic_decreasing` alwa... | - [ ] closes #xxxx (Replace xxxx with the GitHub issue number)
- [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/con... | https://api.github.com/repos/pandas-dev/pandas/pulls/56413 | 2023-12-08T21:43:03Z | 2023-12-09T18:38:17Z | 2023-12-09T18:38:17Z | 2023-12-09T18:40:16Z |
Series.str.find fix for arrow strings when start < 0 | diff --git a/doc/source/whatsnew/v2.2.0.rst b/doc/source/whatsnew/v2.2.0.rst
index 919ac8b03f936..1544b3d953d71 100644
--- a/doc/source/whatsnew/v2.2.0.rst
+++ b/doc/source/whatsnew/v2.2.0.rst
@@ -577,6 +577,7 @@ Strings
- Bug in :func:`pandas.api.types.is_string_dtype` while checking object array with no elements is ... | - [x] closes #56411(Replace xxxx with the GitHub issue number)
- [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/con... | https://api.github.com/repos/pandas-dev/pandas/pulls/56412 | 2023-12-08T21:01:52Z | 2023-12-08T23:41:57Z | 2023-12-08T23:41:57Z | 2023-12-08T23:53:41Z |
STY: Fix doctest and docstring formatting errors | diff --git a/ci/code_checks.sh b/ci/code_checks.sh
index e91629744463f..e41f625e583c0 100755
--- a/ci/code_checks.sh
+++ b/ci/code_checks.sh
@@ -14,6 +14,8 @@
# $ ./ci/code_checks.sh single-docs # check single-page docs build warning-free
# $ ./ci/code_checks.sh notebooks # check execution of documentation ... | Looks like there's some hiding formatting error in docstrings that I found in https://github.com/pandas-dev/pandas/actions/runs/7144701820/job/19458890003?pr=56003 (which appears unrelated) | https://api.github.com/repos/pandas-dev/pandas/pulls/56408 | 2023-12-08T19:28:12Z | 2023-12-09T01:43:35Z | 2023-12-09T01:43:34Z | 2023-12-09T01:43:37Z |
DOC: Fix typo in resample.py, "as_freq" | diff --git a/pandas/core/resample.py b/pandas/core/resample.py
index 8af81cd43d62e..31e41acbf1774 100644
--- a/pandas/core/resample.py
+++ b/pandas/core/resample.py
@@ -1061,7 +1061,7 @@ def interpolate(
2023-03-01 07:00:04.000 3.0
Freq: 500ms, dtype: float64
- Internal reindexing with ``a... | null | https://api.github.com/repos/pandas-dev/pandas/pulls/56407 | 2023-12-08T19:17:45Z | 2023-12-08T23:24:24Z | 2023-12-08T23:24:24Z | 2023-12-09T23:08:02Z |
fix negative n for str.replace with arrow string | diff --git a/doc/source/whatsnew/v2.2.0.rst b/doc/source/whatsnew/v2.2.0.rst
index c878fd2664dc4..919ac8b03f936 100644
--- a/doc/source/whatsnew/v2.2.0.rst
+++ b/doc/source/whatsnew/v2.2.0.rst
@@ -577,6 +577,7 @@ Strings
- Bug in :func:`pandas.api.types.is_string_dtype` while checking object array with no elements is ... | - [ ] closes #56404 (Replace xxxx with the GitHub issue number)
- [ ] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/co... | https://api.github.com/repos/pandas-dev/pandas/pulls/56406 | 2023-12-08T19:01:28Z | 2023-12-08T20:06:05Z | 2023-12-08T20:06:04Z | 2023-12-08T20:06:14Z |
DOC: add deprecation of chained assignment to 2.2 whatsnew | diff --git a/doc/source/whatsnew/v2.2.0.rst b/doc/source/whatsnew/v2.2.0.rst
index 03d6025b4ef93..991daf6e65c8e 100644
--- a/doc/source/whatsnew/v2.2.0.rst
+++ b/doc/source/whatsnew/v2.2.0.rst
@@ -451,6 +451,70 @@ Other API changes
Deprecations
~~~~~~~~~~~~
+Chained assignment
+^^^^^^^^^^^^^^^^^^
+
+In preparation ... | Part of the warnings we have been adding in https://github.com/pandas-dev/pandas/issues/56019, specifically the ones for chained assignment / chained inplace methods, are already being raised in the default mode, because this is a part of the changes with CoW we can clearly deprecate in advance.
Therefore adding a wh... | https://api.github.com/repos/pandas-dev/pandas/pulls/56403 | 2023-12-08T15:56:58Z | 2023-12-21T22:46:07Z | 2023-12-21T22:46:07Z | 2023-12-22T08:48:10Z |
TST/CoW: expand test for chained inplace methods | diff --git a/pandas/tests/copy_view/test_chained_assignment_deprecation.py b/pandas/tests/copy_view/test_chained_assignment_deprecation.py
index 80e38380ed27c..0a37f6b813e55 100644
--- a/pandas/tests/copy_view/test_chained_assignment_deprecation.py
+++ b/pandas/tests/copy_view/test_chained_assignment_deprecation.py
@@ ... | Another follow-up on https://github.com/pandas-dev/pandas/pull/56400 | https://api.github.com/repos/pandas-dev/pandas/pulls/56402 | 2023-12-08T14:52:22Z | 2024-01-08T23:27:50Z | 2024-01-08T23:27:50Z | 2024-01-08T23:27:57Z |
TST: clean CoW chained assignment warning iloc test case | diff --git a/pandas/tests/copy_view/test_chained_assignment_deprecation.py b/pandas/tests/copy_view/test_chained_assignment_deprecation.py
index 25935d9489730..80e38380ed27c 100644
--- a/pandas/tests/copy_view/test_chained_assignment_deprecation.py
+++ b/pandas/tests/copy_view/test_chained_assignment_deprecation.py
@@ ... | Cleaning up the test added in https://github.com/pandas-dev/pandas/pull/56166, now https://github.com/pandas-dev/pandas/pull/56297 and https://github.com/pandas-dev/pandas/pull/56289 are merged | https://api.github.com/repos/pandas-dev/pandas/pulls/56400 | 2023-12-08T11:07:48Z | 2023-12-08T13:55:30Z | 2023-12-08T13:55:30Z | 2023-12-08T14:49:39Z |
Backport PR #56393 on branch 2.1.x (DOC: Add release date for 2.1.4) | diff --git a/doc/source/whatsnew/v2.1.4.rst b/doc/source/whatsnew/v2.1.4.rst
index 13df35a1477d0..fdbe119268e50 100644
--- a/doc/source/whatsnew/v2.1.4.rst
+++ b/doc/source/whatsnew/v2.1.4.rst
@@ -1,6 +1,6 @@
.. _whatsnew_214:
-What's new in 2.1.4 (December ??, 2023)
+What's new in 2.1.4 (December 8, 2023)
--------... | Backport PR #56393: DOC: Add release date for 2.1.4 | https://api.github.com/repos/pandas-dev/pandas/pulls/56395 | 2023-12-08T03:10:34Z | 2023-12-08T04:14:20Z | 2023-12-08T04:14:20Z | 2023-12-08T04:14:20Z |
DOC: Add release date for 2.1.4 | diff --git a/doc/source/whatsnew/v2.1.4.rst b/doc/source/whatsnew/v2.1.4.rst
index 723c33280a679..6edd33614c63c 100644
--- a/doc/source/whatsnew/v2.1.4.rst
+++ b/doc/source/whatsnew/v2.1.4.rst
@@ -1,6 +1,6 @@
.. _whatsnew_214:
-What's new in 2.1.4 (December ??, 2023)
+What's new in 2.1.4 (December 8, 2023)
--------... | - [ ] closes #xxxx (Replace xxxx with the GitHub issue number)
- [ ] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/con... | https://api.github.com/repos/pandas-dev/pandas/pulls/56393 | 2023-12-08T00:25:09Z | 2023-12-08T03:09:32Z | 2023-12-08T03:09:32Z | 2023-12-08T03:09:33Z |
CoW: Avoid warnings in stata code | diff --git a/pandas/io/stata.py b/pandas/io/stata.py
index 1eb8f531dc62a..218afb734d629 100644
--- a/pandas/io/stata.py
+++ b/pandas/io/stata.py
@@ -345,10 +345,7 @@ def convert_delta_safe(base, deltas, unit) -> Series:
has_bad_values = False
if bad_locs.any():
has_bad_values = True
- # reset ... | xref https://github.com/pandas-dev/pandas/issues/56019 | https://api.github.com/repos/pandas-dev/pandas/pulls/56392 | 2023-12-07T23:56:12Z | 2023-12-15T22:47:27Z | 2023-12-15T22:47:27Z | 2023-12-15T22:47:31Z |
CoW: Avoid warning in case of expansion | diff --git a/pandas/core/internals/managers.py b/pandas/core/internals/managers.py
index a221d02b75bb2..cc88312d5b58f 100644
--- a/pandas/core/internals/managers.py
+++ b/pandas/core/internals/managers.py
@@ -1325,16 +1325,16 @@ def column_setitem(
This is a method on the BlockManager level, to avoid creating ... | xref https://github.com/pandas-dev/pandas/issues/56019 | https://api.github.com/repos/pandas-dev/pandas/pulls/56391 | 2023-12-07T23:27:49Z | 2023-12-08T09:38:38Z | 2023-12-08T09:38:38Z | 2023-12-08T09:40:19Z |
CoW: Remove filterwarnings and todo | diff --git a/pandas/tests/frame/test_subclass.py b/pandas/tests/frame/test_subclass.py
index f19e31002c877..ef78ae62cb4d6 100644
--- a/pandas/tests/frame/test_subclass.py
+++ b/pandas/tests/frame/test_subclass.py
@@ -524,8 +524,6 @@ def test_subclassed_wide_to_long(self):
tm.assert_frame_equal(long_frame, ex... | Looks like we fixed this already | https://api.github.com/repos/pandas-dev/pandas/pulls/56390 | 2023-12-07T23:22:45Z | 2023-12-08T08:32:46Z | 2023-12-08T08:32:46Z | 2023-12-08T08:56:15Z |
TYP: tighter typing in _maybe_convert_freq, _from_ordinal | diff --git a/pandas/_libs/tslibs/period.pyi b/pandas/_libs/tslibs/period.pyi
index df6ce675b07fc..22f3bdbe668de 100644
--- a/pandas/_libs/tslibs/period.pyi
+++ b/pandas/_libs/tslibs/period.pyi
@@ -87,7 +87,7 @@ class Period(PeriodMixin):
@classmethod
def _maybe_convert_freq(cls, freq) -> BaseOffset: ...
... | - [ ] closes #xxxx (Replace xxxx with the GitHub issue number)
- [ ] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/con... | https://api.github.com/repos/pandas-dev/pandas/pulls/56389 | 2023-12-07T23:01:40Z | 2023-12-08T00:15:01Z | 2023-12-08T00:15:01Z | 2023-12-08T00:18:40Z |
Backport PR #56160 on branch 2.1.x (BUG: reset_index not preserving object dtype for string option) | diff --git a/doc/source/whatsnew/v2.1.4.rst b/doc/source/whatsnew/v2.1.4.rst
index 519c3a4ab2d32..13df35a1477d0 100644
--- a/doc/source/whatsnew/v2.1.4.rst
+++ b/doc/source/whatsnew/v2.1.4.rst
@@ -32,6 +32,7 @@ Bug fixes
- Fixed bug in :meth:`Index.insert` casting object-dtype to PyArrow backed strings when ``infer_st... | #56160 | https://api.github.com/repos/pandas-dev/pandas/pulls/56387 | 2023-12-07T21:36:14Z | 2023-12-07T22:49:21Z | 2023-12-07T22:49:21Z | 2023-12-07T22:49:25Z |
DEPR: Series[categorical].replace special-casing | diff --git a/doc/source/whatsnew/v2.2.0.rst b/doc/source/whatsnew/v2.2.0.rst
index c878fd2664dc4..5dd04986dcd3e 100644
--- a/doc/source/whatsnew/v2.2.0.rst
+++ b/doc/source/whatsnew/v2.2.0.rst
@@ -473,6 +473,7 @@ Other Deprecations
- Deprecated the ``kind`` keyword in :meth:`Series.resample` and :meth:`DataFrame.resam... | - [x] closes #55147 (Replace xxxx with the GitHub issue number)
- [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/co... | https://api.github.com/repos/pandas-dev/pandas/pulls/56385 | 2023-12-07T20:07:43Z | 2023-12-09T18:27:41Z | 2023-12-09T18:27:41Z | 2024-01-30T00:57:22Z |
TST: Added a test for groupby.prod | diff --git a/pandas/tests/groupby/test_reductions.py b/pandas/tests/groupby/test_reductions.py
index 3e78e728f5ea9..425079f943aba 100644
--- a/pandas/tests/groupby/test_reductions.py
+++ b/pandas/tests/groupby/test_reductions.py
@@ -1057,3 +1057,27 @@ def test_regression_allowlist_methods(op, axis, skipna, sort):
... | - [x] Closes #46573
- The bug related to issue #46573 has been fixed in the current version.
- Added a test related to this issue. The test is designed to check if `groupby.prod` returns the same results as `prod`.
| https://api.github.com/repos/pandas-dev/pandas/pulls/56384 | 2023-12-07T19:51:25Z | 2023-12-09T13:34:47Z | 2023-12-09T13:34:47Z | 2023-12-09T13:34:56Z |
Backport PR #56184 on branch 2.1.x (BUG: mode not preserving object dtype for string option) | diff --git a/doc/source/whatsnew/v2.1.4.rst b/doc/source/whatsnew/v2.1.4.rst
index 26fd23d80208c..519c3a4ab2d32 100644
--- a/doc/source/whatsnew/v2.1.4.rst
+++ b/doc/source/whatsnew/v2.1.4.rst
@@ -31,6 +31,7 @@ Bug fixes
- Fixed bug in :meth:`DataFrame.to_hdf` raising when columns have ``StringDtype`` (:issue:`55088`)... | #56183/#56184 | https://api.github.com/repos/pandas-dev/pandas/pulls/56383 | 2023-12-07T19:41:52Z | 2023-12-07T22:48:40Z | 2023-12-07T22:48:40Z | 2023-12-07T22:49:33Z |
Backport PR #56123 on branch 2.1.x (BUG: ne comparison returns False for NA and other value) | diff --git a/doc/source/whatsnew/v2.1.4.rst b/doc/source/whatsnew/v2.1.4.rst
index 6cd44d954a708..26fd23d80208c 100644
--- a/doc/source/whatsnew/v2.1.4.rst
+++ b/doc/source/whatsnew/v2.1.4.rst
@@ -30,6 +30,7 @@ Bug fixes
- Fixed bug in :meth:`DataFrame.__setitem__` casting :class:`Index` with object-dtype to PyArrow b... | #56123 | https://api.github.com/repos/pandas-dev/pandas/pulls/56382 | 2023-12-07T19:40:45Z | 2023-12-07T21:19:16Z | 2023-12-07T21:19:16Z | 2023-12-08T22:37:11Z |
CoW: Warn for transform inplace modification | diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index 1630c2c31920d..179279cc08bab 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -4895,7 +4895,6 @@ def eval(self, expr: str, *, inplace: bool = False, **kwargs) -> Any | None:
inplace = validate_bool_kwarg(inplace, "inplace")
... | xref https://github.com/pandas-dev/pandas/issues/56019 | https://api.github.com/repos/pandas-dev/pandas/pulls/56381 | 2023-12-07T19:20:30Z | 2023-12-07T21:15:39Z | 2023-12-07T21:15:39Z | 2023-12-07T21:18:14Z |
Backport PR #55703 on branch 2.1.x (Use DeprecationWarning instead of FutureWarning for is_.._dtype deprecations) | diff --git a/pandas/core/dtypes/common.py b/pandas/core/dtypes/common.py
index 3db36fc50e343..143dc46359af5 100644
--- a/pandas/core/dtypes/common.py
+++ b/pandas/core/dtypes/common.py
@@ -211,8 +211,8 @@ def is_sparse(arr) -> bool:
warnings.warn(
"is_sparse is deprecated and will be removed in a future "... | Backport of https://github.com/pandas-dev/pandas/pull/55703 | https://api.github.com/repos/pandas-dev/pandas/pulls/56377 | 2023-12-07T13:15:49Z | 2023-12-07T16:52:03Z | 2023-12-07T16:52:03Z | 2023-12-14T20:36:01Z |
TYP: require_matching_freq | diff --git a/pandas/_libs/tslibs/period.pyi b/pandas/_libs/tslibs/period.pyi
index 846d238beadbd..df6ce675b07fc 100644
--- a/pandas/_libs/tslibs/period.pyi
+++ b/pandas/_libs/tslibs/period.pyi
@@ -63,7 +63,7 @@ class PeriodMixin:
def end_time(self) -> Timestamp: ...
@property
def start_time(self) -> Time... | - [ ] closes #xxxx (Replace xxxx with the GitHub issue number)
- [ ] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/con... | https://api.github.com/repos/pandas-dev/pandas/pulls/56374 | 2023-12-07T03:03:35Z | 2023-12-07T19:15:44Z | 2023-12-07T19:15:44Z | 2023-12-07T19:39:21Z |
PERF: datetimelike addition | diff --git a/asv_bench/benchmarks/arithmetic.py b/asv_bench/benchmarks/arithmetic.py
index 5e23cba2e1074..6b1f75187f887 100644
--- a/asv_bench/benchmarks/arithmetic.py
+++ b/asv_bench/benchmarks/arithmetic.py
@@ -12,7 +12,6 @@
date_range,
to_timedelta,
)
-from pandas.core.algorithms import checked_add_with_a... | ```
In [1]: import pandas as pd
In [2]: dti = pd.date_range("2016-01-01", periods=10_000)
In [3]: td = pd.Timedelta(days=1)
In [4]: %timeit dti + td
108 µs ± 1.85 µs per loop (mean ± std. dev. of 7 runs, 10,000 loops each) # <- main
94.3 µs ± 3.27 µs per loop (mean ± std. dev. of 7 runs, 10,000 loops each)... | https://api.github.com/repos/pandas-dev/pandas/pulls/56373 | 2023-12-07T02:55:40Z | 2023-12-09T18:36:28Z | 2023-12-09T18:36:28Z | 2023-12-09T18:37:46Z |
CLN/TYP: "how" parameter in merge ops | diff --git a/pandas/core/reshape/merge.py b/pandas/core/reshape/merge.py
index f8575b1b53908..0756b25adedcd 100644
--- a/pandas/core/reshape/merge.py
+++ b/pandas/core/reshape/merge.py
@@ -718,7 +718,7 @@ class _MergeOperation:
"""
_merge_type = "merge"
- how: MergeHow | Literal["asof"]
+ how: JoinHow... | cleanup and tighten typing of `how` parameter in merge ops. | https://api.github.com/repos/pandas-dev/pandas/pulls/56372 | 2023-12-07T02:10:50Z | 2023-12-07T17:15:34Z | 2023-12-07T17:15:34Z | 2023-12-07T17:15:41Z |
BUG: resample with ArrowDtype | diff --git a/doc/source/whatsnew/v2.2.0.rst b/doc/source/whatsnew/v2.2.0.rst
index c878fd2664dc4..aa5de99b69f57 100644
--- a/doc/source/whatsnew/v2.2.0.rst
+++ b/doc/source/whatsnew/v2.2.0.rst
@@ -644,6 +644,7 @@ Groupby/resample/rolling
- Bug in :meth:`DataFrame.asfreq` and :meth:`Series.asfreq` with a :class:`Dateti... | - [x] closes #55989 (Replace xxxx with the GitHub issue number)
- [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/co... | https://api.github.com/repos/pandas-dev/pandas/pulls/56371 | 2023-12-06T23:18:34Z | 2023-12-09T01:06:34Z | 2023-12-09T01:06:34Z | 2023-12-09T01:06:37Z |
BUG: rolling with datetime ArrowDtype | diff --git a/doc/source/whatsnew/v2.2.0.rst b/doc/source/whatsnew/v2.2.0.rst
index d1481639ca5a0..58a70a2b66a84 100644
--- a/doc/source/whatsnew/v2.2.0.rst
+++ b/doc/source/whatsnew/v2.2.0.rst
@@ -831,6 +831,7 @@ Groupby/resample/rolling
- Bug in :meth:`DataFrame.resample` when resampling on a :class:`ArrowDtype` of `... | - [x] closes #55849 (Replace xxxx with the GitHub issue number)
- [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/co... | https://api.github.com/repos/pandas-dev/pandas/pulls/56370 | 2023-12-06T21:55:41Z | 2023-12-28T19:32:01Z | 2023-12-28T19:32:01Z | 2023-12-28T19:32:03Z |
Update nlargest nsmallest doc | diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index e741fa7b37f33..8ba9926c054ba 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -7505,8 +7505,8 @@ def nlargest(
- ``first`` : prioritize the first occurrence(s)
- ``last`` : prioritize the last occurrence(s)
- ... | - [x] closes #45041 (Replace xxxx with the GitHub issue number)
- [ ] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/co... | https://api.github.com/repos/pandas-dev/pandas/pulls/56369 | 2023-12-06T20:26:06Z | 2023-12-12T00:39:24Z | 2023-12-12T00:39:24Z | 2023-12-12T00:39:32Z |
BUG: Series.__mul__ for pyarrow strings | diff --git a/doc/source/whatsnew/v2.2.0.rst b/doc/source/whatsnew/v2.2.0.rst
index 67b4052b386c0..c878fd2664dc4 100644
--- a/doc/source/whatsnew/v2.2.0.rst
+++ b/doc/source/whatsnew/v2.2.0.rst
@@ -576,6 +576,7 @@ Strings
^^^^^^^
- Bug in :func:`pandas.api.types.is_string_dtype` while checking object array with no ele... | - [x] closes #51970 (Replace xxxx with the GitHub issue number)
- [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [ ] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/co... | https://api.github.com/repos/pandas-dev/pandas/pulls/56368 | 2023-12-06T19:50:49Z | 2023-12-07T05:57:39Z | 2023-12-07T05:57:39Z | 2023-12-07T05:57:43Z |
BUG: `concat` should keep series names unless `ignore_index=True` | diff --git a/doc/source/whatsnew/v2.2.0.rst b/doc/source/whatsnew/v2.2.0.rst
index dea986c401b60..52a354b8e54bd 100644
--- a/doc/source/whatsnew/v2.2.0.rst
+++ b/doc/source/whatsnew/v2.2.0.rst
@@ -636,6 +636,7 @@ Groupby/resample/rolling
Reshaping
^^^^^^^^^
- Bug in :func:`concat` ignoring ``sort`` parameter when pa... | - [x] closes #15047
- [x] [Tests added and passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#writing-tests) if fixing a bug or adding a new feature
- [x] All [code checks passed](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit).
- [x]... | https://api.github.com/repos/pandas-dev/pandas/pulls/56365 | 2023-12-06T18:15:11Z | 2023-12-09T19:07:44Z | 2023-12-09T19:07:44Z | 2023-12-09T21:02:17Z |
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