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 |
|---|---|---|---|---|---|---|---|
BUG: pandas.to_datetime raises exception when more than 50 values needs coercion to NaT (#43732) | diff --git a/pandas/core/arrays/datetimes.py b/pandas/core/arrays/datetimes.py
index a0a7ef3501d7f..5165eb8607219 100644
--- a/pandas/core/arrays/datetimes.py
+++ b/pandas/core/arrays/datetimes.py
@@ -2223,14 +2223,14 @@ def objects_to_datetime64ns(
allow_mixed=allow_mixed,
)
result = res... | - [x] closes #43732
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43791 | 2021-09-28T23:22:31Z | 2022-01-16T18:00:40Z | null | 2022-01-16T18:00:40Z |
TYP: enable reportMissingImports | diff --git a/pandas/_libs/reshape.pyi b/pandas/_libs/reshape.pyi
index 893826a35d41e..110687fcd0c31 100644
--- a/pandas/_libs/reshape.pyi
+++ b/pandas/_libs/reshape.pyi
@@ -1,6 +1,6 @@
import numpy as np
-import pandas._tying as npt
+from pandas._typing import npt
def unstack(
values: np.ndarray, # reshape_... | reportMissingImports checks whether all libraries can be imported. This requires all dependencies to be installed on the CI that runs pyright.
This flag should probably NOT be enabled, as it would force all contributors to install all dependencies. I'm enabling it temporarily to see whether the CI has all dependenci... | https://api.github.com/repos/pandas-dev/pandas/pulls/43790 | 2021-09-28T23:13:37Z | 2021-10-06T01:04:58Z | 2021-10-06T01:04:58Z | 2022-04-01T01:36:58Z |
CLN: share rank_t fused type | diff --git a/pandas/_libs/algos.pyx b/pandas/_libs/algos.pyx
index a18cfc41d1e2e..22e2abc9b9c36 100644
--- a/pandas/_libs/algos.pyx
+++ b/pandas/_libs/algos.pyx
@@ -45,6 +45,7 @@ from numpy cimport (
cnp.import_array()
cimport pandas._libs.util as util
+from pandas._libs.dtypes cimport numeric_object_t
from pandas... | Small step towards #43774
| https://api.github.com/repos/pandas-dev/pandas/pulls/43789 | 2021-09-28T22:14:56Z | 2021-09-29T18:03:01Z | 2021-09-29T18:03:01Z | 2021-09-30T21:24:40Z |
REF: remove _get_join_target | diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
index 1db8c14af3c4e..c9e128ffc4289 100644
--- a/pandas/core/indexes/base.py
+++ b/pandas/core/indexes/base.py
@@ -315,8 +315,8 @@ class Index(IndexOpsMixin, PandasObject):
@final
def _left_indexer_unique(self: _IndexT, other: _IndexT) -> n... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43788 | 2021-09-28T22:10:20Z | 2021-09-28T23:35:11Z | 2021-09-28T23:35:11Z | 2021-09-28T23:37:37Z |
[PERF] Improve performace of read_csv with memory_map=True when file encoding is UTF-8 | diff --git a/asv_bench/benchmarks/io/csv.py b/asv_bench/benchmarks/io/csv.py
index 35058ba03ade8..153cad403dcc3 100644
--- a/asv_bench/benchmarks/io/csv.py
+++ b/asv_bench/benchmarks/io/csv.py
@@ -10,6 +10,7 @@
from pandas import (
Categorical,
DataFrame,
+ concat,
date_range,
read_csv,
to_... | - [ ] closes #xxxx
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
This PR improves performance of read_csv with memory_map=True and a UTF-8-encoded file... | https://api.github.com/repos/pandas-dev/pandas/pulls/43787 | 2021-09-28T20:17:45Z | 2021-10-06T01:02:47Z | 2021-10-06T01:02:47Z | 2021-10-06T18:11:42Z |
BUG: Merge with str/StringDtype keys and multiindex | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index b7efec8fd2e89..b3aa2ac95880d 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -545,6 +545,7 @@ Reshaping
- Bug in :func:`crosstab` when inputs are are categorical Series, there are categories that are ... | - [x] closes #43734
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43785 | 2021-09-28T17:50:58Z | 2021-10-16T15:37:51Z | 2021-10-16T15:37:51Z | 2021-10-18T11:52:43Z |
Fixed broken import in assert_frame_equal docs snippet | diff --git a/pandas/_testing/asserters.py b/pandas/_testing/asserters.py
index 79c8e64fc4df3..fc7e36dda4619 100644
--- a/pandas/_testing/asserters.py
+++ b/pandas/_testing/asserters.py
@@ -1203,7 +1203,7 @@ def assert_frame_equal(
This example shows comparing two DataFrames that are equal
but with columns of ... | - [x ] closes #43778
Super small fix; removed single underscore in import statement. | https://api.github.com/repos/pandas-dev/pandas/pulls/43779 | 2021-09-28T04:43:38Z | 2021-10-03T19:09:45Z | 2021-10-03T19:09:45Z | 2021-10-03T19:10:08Z |
PERF: materialize less on slice in sparse __getitem__ | diff --git a/asv_bench/benchmarks/sparse.py b/asv_bench/benchmarks/sparse.py
index ff1c4c92fe551..8f424685dfbae 100644
--- a/asv_bench/benchmarks/sparse.py
+++ b/asv_bench/benchmarks/sparse.py
@@ -195,4 +195,17 @@ def time_take(self, indices, allow_fill):
self.sp_arr.take(indices, allow_fill=allow_fill)
+c... | Could probably be pushed further to avoid densifying doe `step != 1`, but this seemed like a good starting point as the most common case
```
before after ratio
[21c29919] [5622f636]
<master> <sparse_getitem_slice>
- 12.2±1ms 35.2±3μs 0.00 spa... | https://api.github.com/repos/pandas-dev/pandas/pulls/43777 | 2021-09-28T03:52:33Z | 2021-09-28T23:47:38Z | 2021-09-28T23:47:38Z | 2021-09-28T23:50:19Z |
TYP: enable reportUntypedNamedTuple | diff --git a/pandas/_config/config.py b/pandas/_config/config.py
index ed48ff7ae08c6..9e140f4cad864 100644
--- a/pandas/_config/config.py
+++ b/pandas/_config/config.py
@@ -50,7 +50,6 @@
from __future__ import annotations
-from collections import namedtuple
from contextlib import (
ContextDecorator,
con... | Prefer `typing.NamedTuple` to `collections.namedtuple`. | https://api.github.com/repos/pandas-dev/pandas/pulls/43776 | 2021-09-28T02:03:48Z | 2021-09-30T13:21:40Z | 2021-09-30T13:21:40Z | 2022-05-26T01:59:09Z |
CLN: enable reportInvalidStubStatement | diff --git a/pandas/_libs/algos.pyi b/pandas/_libs/algos.pyi
index fdec60a84a708..bff7d117c97da 100644
--- a/pandas/_libs/algos.pyi
+++ b/pandas/_libs/algos.pyi
@@ -50,16 +50,16 @@ def kth_smallest(
def nancorr(
mat: np.ndarray, # const float64_t[:, :]
- cov: bool = False,
- minp=None,
+ cov: bool = .... | Default values in stub files are not used by type checkers (and they might get out of sync with the implementation). | https://api.github.com/repos/pandas-dev/pandas/pulls/43775 | 2021-09-28T00:54:07Z | 2021-09-28T15:04:16Z | 2021-09-28T15:04:16Z | 2022-05-26T01:59:07Z |
CI: Test Python 3.10 on MacOS and Windows too | diff --git a/.github/workflows/python-dev.yml b/.github/workflows/python-dev.yml
index 596c3b6df9d49..3a139936fbd22 100644
--- a/.github/workflows/python-dev.yml
+++ b/.github/workflows/python-dev.yml
@@ -21,12 +21,20 @@ env:
jobs:
build:
- runs-on: ubuntu-latest
+ runs-on: ${{ matrix.os }}
+ strategy:
+... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
Blocker for MacOS/Windows Python 3.10 wheels. We probably want to migrate these onto A... | https://api.github.com/repos/pandas-dev/pandas/pulls/43772 | 2021-09-27T21:21:58Z | 2021-10-06T12:27:59Z | 2021-10-06T12:27:59Z | 2021-10-08T23:27:23Z |
DEPR REF: `hide(axis=..)` replaces `hide_index` and `hide_columns` | diff --git a/doc/source/reference/style.rst b/doc/source/reference/style.rst
index e67813084e389..a739993e4d376 100644
--- a/doc/source/reference/style.rst
+++ b/doc/source/reference/style.rst
@@ -40,8 +40,7 @@ Style application
Styler.applymap_index
Styler.format
Styler.format_index
- Styler.hide_index
-... | - [x] closes #43758: addresses the comments raised there.
- [x] tests added / passed
- [x] whatsnew entry
![Screen Shot 2021-10-25 at 18 38 25](https://user-images.githu... | https://api.github.com/repos/pandas-dev/pandas/pulls/43771 | 2021-09-27T20:36:06Z | 2021-10-30T17:31:38Z | 2021-10-30T17:31:38Z | 2021-10-30T17:31:45Z |
TST: fixed cython doctests | diff --git a/ci/code_checks.sh b/ci/code_checks.sh
index 76aae2e908de4..21250789fde9f 100755
--- a/ci/code_checks.sh
+++ b/ci/code_checks.sh
@@ -84,6 +84,10 @@ if [[ -z "$CHECK" || "$CHECK" == "doctests" ]]; then
pandas/tseries/
RET=$(($RET + $?)) ; echo $MSG "DONE"
+ MSG='Cython Doctests' ; echo $MSG
... | - [x] closes #43757
Skipped some of the tests which were failing | https://api.github.com/repos/pandas-dev/pandas/pulls/43768 | 2021-09-27T13:57:00Z | 2021-09-30T19:44:46Z | 2021-09-30T19:44:46Z | 2021-09-30T19:51:54Z |
Ceil ms bug fix | diff --git a/pandas/core/arrays/datetimelike.py b/pandas/core/arrays/datetimelike.py
index 63ba9fdd59fc6..16f1328c09387 100644
--- a/pandas/core/arrays/datetimelike.py
+++ b/pandas/core/arrays/datetimelike.py
@@ -1714,12 +1714,75 @@ def _round(self, freq, mode, ambiguous, nonexistent):
values = self.view("i8... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43766 | 2021-09-27T13:27:02Z | 2021-09-27T13:27:43Z | null | 2021-09-27T13:27:43Z |
BUG: to_coo silently converting non-zero fill values | diff --git a/asv_bench/benchmarks/sparse.py b/asv_bench/benchmarks/sparse.py
index ff1c4c92fe551..d882942a03ced 100644
--- a/asv_bench/benchmarks/sparse.py
+++ b/asv_bench/benchmarks/sparse.py
@@ -95,11 +95,11 @@ class ToCooFrame:
def setup(self):
N = 10000
k = 10
- arr = np.full((N, k), n... | - [X] closes #24817
- [X] tests added / passed
- [X] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [X] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43763 | 2021-09-27T06:44:54Z | 2021-09-28T18:46:32Z | 2021-09-28T18:46:31Z | 2021-09-28T18:47:07Z |
REF: share _cython_agg_general | diff --git a/pandas/core/groupby/generic.py b/pandas/core/groupby/generic.py
index f0408db7f4ef8..b1f7f56aaad8c 100644
--- a/pandas/core/groupby/generic.py
+++ b/pandas/core/groupby/generic.py
@@ -48,7 +48,6 @@
is_dict_like,
is_integer_dtype,
is_interval_dtype,
- is_numeric_dtype,
is_scalar,
)
... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43762 | 2021-09-27T02:57:28Z | 2021-09-27T22:18:38Z | 2021-09-27T22:18:38Z | 2021-09-28T14:48:15Z |
REF: pad/backfill out of IndexEngine | diff --git a/pandas/_libs/index.pyi b/pandas/_libs/index.pyi
index 9f526dd3fe653..752f339ff31da 100644
--- a/pandas/_libs/index.pyi
+++ b/pandas/_libs/index.pyi
@@ -18,12 +18,6 @@ class IndexEngine:
def is_monotonic_increasing(self) -> bool: ...
@property
def is_monotonic_decreasing(self) -> bool: ...
- ... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43761 | 2021-09-27T02:49:20Z | 2021-09-27T22:17:43Z | 2021-09-27T22:17:43Z | 2021-09-28T14:46:38Z |
PERF: obj_with_exclusions | diff --git a/pandas/core/base.py b/pandas/core/base.py
index b0993bbc619dc..790daa7e42b39 100644
--- a/pandas/core/base.py
+++ b/pandas/core/base.py
@@ -221,7 +221,11 @@ def _obj_with_exclusions(self):
return self.obj[self._selection_list]
if len(self.exclusions) > 0:
- return self.ob... | ```
from asv_bench.benchmarks.groupby import *
self = Cumulative()
self.setup("int64", "cumsum")
%timeit self.setup("int64", "cumsum"); self.time_frame_transform("int64", "cumsum")
107 ms ± 7.57 ms per loop (mean ± std. dev. of 7 runs, 10 loops each) # <- master
74.6 ms ± 2.04 ms per loop (mean ± std. dev. of ... | https://api.github.com/repos/pandas-dev/pandas/pulls/43760 | 2021-09-26T21:07:45Z | 2021-09-27T22:17:14Z | 2021-09-27T22:17:14Z | 2021-09-28T14:49:41Z |
BUG: groupby mean fails for complex | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index c8fa6d46c3b7e..ed38c09129679 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -488,6 +488,7 @@ Groupby/resample/rolling
- Bug in :meth:`DataFrame.rolling.corr` when the :class:`DataFrame` columns was a... | - [x] closes #43701
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43756 | 2021-09-26T18:55:11Z | 2021-09-30T19:46:48Z | 2021-09-30T19:46:48Z | 2021-09-30T19:52:21Z |
Fix typo in doc: pandas.tseries.offset -> pandas.tseries.offsets | diff --git a/pandas/_libs/tslibs/offsets.pyx b/pandas/_libs/tslibs/offsets.pyx
index 4755822b8ebea..ea714ce0162bc 100644
--- a/pandas/_libs/tslibs/offsets.pyx
+++ b/pandas/_libs/tslibs/offsets.pyx
@@ -1955,7 +1955,7 @@ cdef class BYearBegin(YearOffset):
Examples
--------
- >>> from pandas.tseries.offset ... | - [x] closes #43749
| https://api.github.com/repos/pandas-dev/pandas/pulls/43754 | 2021-09-26T16:52:19Z | 2021-09-26T17:33:31Z | 2021-09-26T17:33:30Z | 2021-09-26T17:33:31Z |
CLN: Remove unused functions/variables | diff --git a/pandas/_libs/hashtable.pyi b/pandas/_libs/hashtable.pyi
index 951703e04d5a3..c6319a1f24435 100644
--- a/pandas/_libs/hashtable.pyi
+++ b/pandas/_libs/hashtable.pyi
@@ -1,5 +1,4 @@
from typing import (
- Any,
Hashable,
Literal,
)
diff --git a/pandas/io/clipboard/__init__.py b/pandas/io/clipbo... | Found by pyright's `reportUnused*`.
Unused functions/variables are not directly related to typing, but pyright warns about these cases because it is asked to do unnecessary work. | https://api.github.com/repos/pandas-dev/pandas/pulls/43753 | 2021-09-26T15:15:18Z | 2021-09-28T15:05:03Z | 2021-09-28T15:05:03Z | 2022-06-08T19:27:11Z |
TYP: rename FrameOrSeries to NDFrameT | diff --git a/pandas/_typing.py b/pandas/_typing.py
index 5f8ea79046235..9c20eb12dc7fc 100644
--- a/pandas/_typing.py
+++ b/pandas/_typing.py
@@ -101,11 +101,11 @@
]
Timezone = Union[str, tzinfo]
-# FrameOrSeries is stricter and ensures that the same subclass of NDFrame always is
-# used. E.g. `def func(a: FrameOrSe... | `FrameOrSeries = TypeVar("FrameOrSeries", bound="NDFrame")` but the current name implies `pd.DataFrame | pd.Series`. | https://api.github.com/repos/pandas-dev/pandas/pulls/43752 | 2021-09-26T14:22:38Z | 2021-09-28T13:08:25Z | 2021-09-28T13:08:25Z | 2022-06-08T19:26:53Z |
TYP: add mypy defaults to pyproject.toml | diff --git a/pyproject.toml b/pyproject.toml
index a99aeec17791e..913832cd65d3c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -69,13 +69,50 @@ markers = [
]
[tool.mypy]
-platform = "linux-64"
+# Import discovery
+namespace_packages = false
+explicit_package_bases = false
ignore_missing_imports = true
-no_imp... | may make it easier for contributors to experiment with enabling mypy strictness flags | https://api.github.com/repos/pandas-dev/pandas/pulls/43751 | 2021-09-26T12:48:17Z | 2021-09-26T15:05:48Z | 2021-09-26T15:05:48Z | 2021-09-26T15:23:29Z |
Fixing Typo in BYearEnd example | diff --git a/pandas/_libs/tslibs/offsets.pyx b/pandas/_libs/tslibs/offsets.pyx
index 4c9b681452c0a..4755822b8ebea 100644
--- a/pandas/_libs/tslibs/offsets.pyx
+++ b/pandas/_libs/tslibs/offsets.pyx
@@ -1929,7 +1929,7 @@ cdef class BYearEnd(YearOffset):
Examples
--------
- >>> from pandas.tseries.offset im... | - [ ] closes #43749
- [ ] Fixes example for BYearEnd
- [ ] pandas/pandas/_libs/tslibs/offsets.pyx file updated
| https://api.github.com/repos/pandas-dev/pandas/pulls/43750 | 2021-09-26T09:45:10Z | 2021-09-26T10:42:26Z | 2021-09-26T10:42:26Z | 2021-09-26T10:42:26Z |
CI: run pyright with mypy | diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 93c17997a95f7..c8f5f0385732f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -45,6 +45,15 @@ jobs:
environment-file: ${{ env.ENV_FILE }}
use-only-tar-bz2: true
+ - name: Install node.js (for pyright)
+ ... | The github action running the pre-commit checks does not install all necessary python packages for type checking. This triggered a few unnecessary `reportOverlappingOverload` by pyright because numpy was not installed.
Keep pyright in the pre-commit but disable it on the CI (SKIP=pyright). Instead, run pyright toget... | https://api.github.com/repos/pandas-dev/pandas/pulls/43747 | 2021-09-26T02:03:07Z | 2021-09-26T12:21:14Z | 2021-09-26T12:21:14Z | 2022-06-08T19:26:52Z |
TST: DataFrameGroupBy.aggregate with empty frame with MultiIndex | diff --git a/pandas/tests/groupby/aggregate/test_aggregate.py b/pandas/tests/groupby/aggregate/test_aggregate.py
index 4bda0e6ef9872..7bb850d38340f 100644
--- a/pandas/tests/groupby/aggregate/test_aggregate.py
+++ b/pandas/tests/groupby/aggregate/test_aggregate.py
@@ -861,6 +861,16 @@ def test_groupby_aggregate_empty_k... | - [x] closes #39178
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
| https://api.github.com/repos/pandas-dev/pandas/pulls/43746 | 2021-09-25T19:02:05Z | 2021-09-25T22:23:16Z | 2021-09-25T22:23:16Z | 2021-10-19T03:45:31Z |
Improved the type stubs in the _libs directory to help with type checking | diff --git a/pandas/_libs/interval.pyi b/pandas/_libs/interval.pyi
new file mode 100644
index 0000000000000..6e201601911da
--- /dev/null
+++ b/pandas/_libs/interval.pyi
@@ -0,0 +1,46 @@
+from typing import FrozenSet, Tuple
+
+import numpy as np
+
+class IntervalMixin:
+ @property
+ def _left(self) -> object: ...
... | This doesn't change any code, so it should have no impact on runtime behavior. | https://api.github.com/repos/pandas-dev/pandas/pulls/43744 | 2021-09-25T17:40:28Z | 2022-01-16T18:08:04Z | null | 2022-01-16T18:08:04Z |
DEPR: Silent dropping of nuisance columns in transform_dict_like | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index 51c6b297a37cb..243bcf6900d2e 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -337,6 +337,7 @@ Other Deprecations
- Deprecated the ``squeeze`` argument to :meth:`read_csv`, :meth:`read_table`, and :met... | Part of #43740
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry | https://api.github.com/repos/pandas-dev/pandas/pulls/43743 | 2021-09-25T17:22:27Z | 2021-09-26T01:50:07Z | 2021-09-26T01:50:06Z | 2022-10-28T16:59:03Z |
DEPR: Silent dropping of nuisance columns in agg_list_like | diff --git a/doc/source/user_guide/basics.rst b/doc/source/user_guide/basics.rst
index 82c8a27bec3a5..a589ad96ca7d9 100644
--- a/doc/source/user_guide/basics.rst
+++ b/doc/source/user_guide/basics.rst
@@ -1045,6 +1045,9 @@ not noted for a particular column will be ``NaN``:
Mixed dtypes
++++++++++++
+.. deprecated::... | Part of #43740
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43741 | 2021-09-25T16:26:42Z | 2021-09-29T13:10:46Z | 2021-09-29T13:10:46Z | 2021-09-30T16:05:01Z |
DOC: Added sentence to show that unmatched values return -1. | diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
index 926ab0b544abd..4dc9c48dac2a4 100644
--- a/pandas/core/indexes/base.py
+++ b/pandas/core/indexes/base.py
@@ -3576,6 +3576,11 @@ def get_loc(self, key, method=None, tolerance=None):
positions matches the corresponding target values.... | - [x] closes #38482
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew: Added sentence to show that unmatched values return -1 in get_indexer method
In [1]: pytho... | https://api.github.com/repos/pandas-dev/pandas/pulls/43738 | 2021-09-25T11:22:43Z | 2021-11-06T02:45:43Z | 2021-11-06T02:45:42Z | 2023-01-14T04:26:15Z |
PERF: `Styler.tooltips` | diff --git a/asv_bench/benchmarks/io/style.py b/asv_bench/benchmarks/io/style.py
index d3934942b7dc4..f0902c9c2c328 100644
--- a/asv_bench/benchmarks/io/style.py
+++ b/asv_bench/benchmarks/io/style.py
@@ -34,6 +34,14 @@ def peakmem_classes_render(self, cols, rows):
self._style_classes()
self.st._rende... | When tooltips were developed there were no hidden_rows or hidden_columns and no max_rows or max_columns.
This adds some benchmarks and a minimal change to improve performance. Scope to do a bit better here in future also.
```
before after ratio
[cd13e3a4] [7766f055]
<ma... | https://api.github.com/repos/pandas-dev/pandas/pulls/43737 | 2021-09-25T11:07:44Z | 2021-09-25T15:33:56Z | 2021-09-25T15:33:56Z | 2021-09-25T16:50:42Z |
ENH: new .agg for list-likes | diff --git a/doc/source/user_guide/future_udf_behavior.rst b/doc/source/user_guide/future_udf_behavior.rst
new file mode 100644
index 0000000000000..8871f767c9cb5
--- /dev/null
+++ b/doc/source/user_guide/future_udf_behavior.rst
@@ -0,0 +1,72 @@
+.. _future_udf_behavior:
+
+:orphan:
+
+{{ header }}
+
+*****************... | Part of #43678
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
Replaces the list-like implementation for `.agg` used by Series, DataFrame, SeriesGroupBy, DataFrameGroupBy, W... | https://api.github.com/repos/pandas-dev/pandas/pulls/43736 | 2021-09-24T21:25:23Z | 2021-12-11T19:48:51Z | null | 2022-09-10T16:49:54Z |
TST: multi indexing when one column exclusively contains NaT(#38025) | diff --git a/pandas/tests/indexing/multiindex/test_multiindex.py b/pandas/tests/indexing/multiindex/test_multiindex.py
index 479d048d35fbd..9fa873a212cbd 100644
--- a/pandas/tests/indexing/multiindex/test_multiindex.py
+++ b/pandas/tests/indexing/multiindex/test_multiindex.py
@@ -15,7 +15,6 @@
class TestMultiIndexBa... | - [X] closes #38025
- [X] tests added / passed
- [X] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
| https://api.github.com/repos/pandas-dev/pandas/pulls/43735 | 2021-09-24T19:59:15Z | 2021-09-29T13:28:07Z | 2021-09-29T13:28:07Z | 2021-09-29T13:28:11Z |
ENH: Add engine="numba" to groupby mean | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index 4d0dee01f05c1..5cc2c42021bc8 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -182,7 +182,7 @@ Other enhancements
- Added :meth:`.ExponentialMovingWindow.sum` (:issue:`13297`)
- :meth:`Series.str.spli... | - [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43731 | 2021-09-24T05:49:53Z | 2021-11-05T00:59:14Z | 2021-11-05T00:59:14Z | 2021-11-05T02:47:25Z |
PERF: GroupBy.count | diff --git a/pandas/core/groupby/generic.py b/pandas/core/groupby/generic.py
index a672f8fc96ba0..f0408db7f4ef8 100644
--- a/pandas/core/groupby/generic.py
+++ b/pandas/core/groupby/generic.py
@@ -21,6 +21,7 @@
Mapping,
TypeVar,
Union,
+ cast,
)
import warnings
@@ -30,7 +31,9 @@
from pandas._typi... | ```
from asv_bench.benchmarks.groupby import *
self = GroupByMethods()
self.setup("datetime", "count", "direct", 2)
%timeit self.time_dtype_as_field('datetime', 'count', 'direct', 2)
73.7 µs ± 982 ns per loop (mean ± std. dev. of 7 runs, 10000 loops each) # <- master
48.7 µs ± 473 ns per loop (mean ± std. dev.... | https://api.github.com/repos/pandas-dev/pandas/pulls/43730 | 2021-09-24T04:31:05Z | 2021-09-25T15:20:15Z | 2021-09-25T15:20:15Z | 2021-09-25T15:39:49Z |
DEPS: Upgrade Deps for Python 3.10 | diff --git a/.github/actions/build_pandas/action.yml b/.github/actions/build_pandas/action.yml
index d4777bcd1d079..2e4bfea165316 100644
--- a/.github/actions/build_pandas/action.yml
+++ b/.github/actions/build_pandas/action.yml
@@ -13,5 +13,5 @@ runs:
- name: Build Pandas
run: |
python setup.py bu... | - [ ] xref #43715
- [ ] closes #40307
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43729 | 2021-09-24T02:13:08Z | 2021-10-13T10:40:35Z | 2021-10-13T10:40:35Z | 2021-10-17T16:22:43Z |
REF: unwrap PandasArray earlier | diff --git a/pandas/core/construction.py b/pandas/core/construction.py
index 90349ee5f942f..8d3fd0c520a6d 100644
--- a/pandas/core/construction.py
+++ b/pandas/core/construction.py
@@ -49,7 +49,10 @@
is_object_dtype,
is_timedelta64_ns_dtype,
)
-from pandas.core.dtypes.dtypes import DatetimeTZDtype
+from pand... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43728 | 2021-09-24T01:17:18Z | 2021-09-25T16:57:41Z | 2021-09-25T16:57:41Z | 2021-09-25T18:11:55Z |
Backport PR #43722 on branch 1.3.x (BUG: set numpy requirement for aarch64 and py3.9) | diff --git a/pyproject.toml b/pyproject.toml
index 0d1aefb9d4b55..28925ce62a761 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ requires = [
# Copied from https://github.com/scipy/scipy/blob/master/pyproject.toml (which is also licensed under BSD)
"numpy==1.17.3; python_version=='3.7' and (pl... | Backport PR #43722: BUG: set numpy requirement for aarch64 and py3.9 | https://api.github.com/repos/pandas-dev/pandas/pulls/43726 | 2021-09-23T21:12:23Z | 2021-09-23T23:29:04Z | 2021-09-23T23:29:04Z | 2021-09-23T23:29:04Z |
PERF: Groupby.quantile | diff --git a/pandas/core/groupby/groupby.py b/pandas/core/groupby/groupby.py
index 7ff672429afcf..f8e6e8dcf1821 100644
--- a/pandas/core/groupby/groupby.py
+++ b/pandas/core/groupby/groupby.py
@@ -2647,10 +2647,9 @@ def post_processor(vals: np.ndarray, inference: np.dtype | None) -> np.ndarray:
return va... | ```
from asv_bench.benchmarks.groupby import *
self2 = GroupByMethods()
self2.setup('uint', 'quantile', 'direct', 1)
%timeit self2.time_dtype_as_group('uint', 'quantile', 'direct', 1)
1.03 ms ± 46.9 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each) # <- master
328 µs ± 17.2 µs per loop (mean ± std. dev... | https://api.github.com/repos/pandas-dev/pandas/pulls/43725 | 2021-09-23T19:50:06Z | 2021-09-27T13:11:54Z | 2021-09-27T13:11:54Z | 2021-09-27T15:07:27Z |
Backport PR #43634 on branch 1.3.x (PERF: groupby with string dtype)" | diff --git a/asv_bench/benchmarks/groupby.py b/asv_bench/benchmarks/groupby.py
index 1648985a56b91..da02d167a62c5 100644
--- a/asv_bench/benchmarks/groupby.py
+++ b/asv_bench/benchmarks/groupby.py
@@ -568,6 +568,38 @@ def time_sum(self):
self.df.groupby(["a"])["b"].sum()
+class String:
+ # GH#41596
+ ... | Backport PR #43634 on branch 1.3.x | https://api.github.com/repos/pandas-dev/pandas/pulls/43724 | 2021-09-23T19:39:42Z | 2021-09-24T11:31:17Z | 2021-09-24T11:31:16Z | 2021-09-24T12:20:44Z |
DOC: Fix introduction of DataFrame.rename | diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index bfdfeabbd389c..887689341ac3f 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -4994,8 +4994,8 @@ def rename(
copy : bool, default True
Also copy underlying data.
inplace : bool, default False
- Whethe... | - [x] closes #43708
- [ ] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43723 | 2021-09-23T19:04:45Z | 2021-09-29T13:29:49Z | null | 2021-09-29T13:29:50Z |
BUG: set numpy requirement for aarch64 and py3.9 | diff --git a/pyproject.toml b/pyproject.toml
index 03c1485bd4e35..aa602bba630c2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ requires = [
# Copied from https://github.com/scipy/scipy/blob/master/pyproject.toml (which is also licensed under BSD)
"numpy==1.17.3; python_version=='3.7' and (pl... | It is stated in this file on line 13 that `# Aarch64(Python 3.9 requirements are the same as AMD64)`
However, the python 3.9 numpy requirement is excluding `aarch64`, therefore there is no `aarch64` numpy requirement defined at all for py3.9.
When one tries to build pandas from source on `aarch64` with py3.9 (such as... | https://api.github.com/repos/pandas-dev/pandas/pulls/43722 | 2021-09-23T18:40:06Z | 2021-09-23T21:11:56Z | 2021-09-23T21:11:56Z | 2021-09-23T21:13:12Z |
BUG: `Styler.to_latex` with multirow cellcolor | diff --git a/pandas/io/formats/style_render.py b/pandas/io/formats/style_render.py
index 2c862f2f4ed96..27a5170e48949 100644
--- a/pandas/io/formats/style_render.py
+++ b/pandas/io/formats/style_render.py
@@ -740,7 +740,7 @@ def _translate_latex(self, d: dict) -> None:
"display_value": col["dis... | - [x] xref #41994 but provides an alternative workable solution.
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] No whatsnew entry needed since `apply_index` methods were ... | https://api.github.com/repos/pandas-dev/pandas/pulls/43720 | 2021-09-23T16:43:45Z | 2021-10-21T01:24:09Z | 2021-10-21T01:24:09Z | 2021-10-21T05:15:26Z |
Backport PR #43709 on branch 1.3.x (REGR: Passing args/kwargs to Series.agg fails) | diff --git a/doc/source/whatsnew/v1.3.4.rst b/doc/source/whatsnew/v1.3.4.rst
index 6212f2c6f3399..caec32ed3342b 100644
--- a/doc/source/whatsnew/v1.3.4.rst
+++ b/doc/source/whatsnew/v1.3.4.rst
@@ -20,7 +20,7 @@ Fixed regressions
- Fixed regression in :meth:`Series.cat.reorder_categories` failing to update the categori... | Backport PR #43709: REGR: Passing args/kwargs to Series.agg fails | https://api.github.com/repos/pandas-dev/pandas/pulls/43716 | 2021-09-23T12:12:42Z | 2021-09-23T13:14:08Z | 2021-09-23T13:14:08Z | 2021-09-23T13:14:08Z |
BUG: round_trip parser initial/trailing whitespace | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index 6a342c059203b..c980df3bd4c7a 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -454,6 +454,8 @@ I/O
- Bug in unpickling a :class:`Index` with object dtype incorrectly inferring numeric dtypes (:issue:`4... | - [x] closes #43713
- [x] tests added / passed
- [X] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [X] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43714 | 2021-09-23T10:28:58Z | 2021-10-02T00:05:04Z | 2021-10-02T00:05:04Z | 2021-10-02T00:05:11Z |
BUG: Index.get_loc(np.nan) non-unique non-monotonic | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index ab3d27bdd45de..d652780ff6d92 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -431,7 +431,8 @@ Indexing
- Bug in :meth:`DataFrame.drop` where the error message did not show missing labels with commas w... | - [ ] closes #xxxx
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
The tests file will need to be rebased following #43705. | https://api.github.com/repos/pandas-dev/pandas/pulls/43711 | 2021-09-23T05:12:45Z | 2021-09-28T22:55:20Z | 2021-09-28T22:55:20Z | 2021-09-28T23:23:37Z |
ENH: Add equivalence test for float in to_numeric() GH43693 | diff --git a/doc/source/whatsnew/v1.5.0.rst b/doc/source/whatsnew/v1.5.0.rst
index 290f2e0ae08b6..045466ba9192e 100644
--- a/doc/source/whatsnew/v1.5.0.rst
+++ b/doc/source/whatsnew/v1.5.0.rst
@@ -31,6 +31,7 @@ enhancement2
Other enhancements
^^^^^^^^^^^^^^^^^^
- Improved the rendering of ``categories`` in :class:`C... | - [x] closes #43693
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
This PR prevents issues where float64 arrays would be downcast to float32 arrays eve... | https://api.github.com/repos/pandas-dev/pandas/pulls/43710 | 2021-09-23T03:49:25Z | 2022-01-17T13:48:35Z | 2022-01-17T13:48:35Z | 2022-01-17T13:48:39Z |
REGR: Passing args/kwargs to Series.agg fails | diff --git a/doc/source/whatsnew/v1.3.4.rst b/doc/source/whatsnew/v1.3.4.rst
index 6212f2c6f3399..caec32ed3342b 100644
--- a/doc/source/whatsnew/v1.3.4.rst
+++ b/doc/source/whatsnew/v1.3.4.rst
@@ -20,7 +20,7 @@ Fixed regressions
- Fixed regression in :meth:`Series.cat.reorder_categories` failing to update the categori... | - [x] closes #43357
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43709 | 2021-09-23T03:06:36Z | 2021-09-23T12:12:16Z | 2021-09-23T12:12:15Z | 2021-09-26T00:38:24Z |
BUG: Fix some index_col tests for pyarrow read_csv | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index 243bcf6900d2e..46759fbbcf8b8 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -93,7 +93,7 @@ Multithreaded CSV reading with a new CSV Engine based on pyarrow
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43706 | 2021-09-23T00:43:23Z | 2021-09-27T23:32:42Z | 2021-09-27T23:32:41Z | 2021-12-08T00:27:12Z |
PERF: Index.get_loc | diff --git a/pandas/_libs/index.pyx b/pandas/_libs/index.pyx
index 31b507e9b7800..cdb53e0e838e9 100644
--- a/pandas/_libs/index.pyx
+++ b/pandas/_libs/index.pyx
@@ -87,11 +87,7 @@ cdef class IndexEngine:
values = self.values
self._check_type(val)
- try:
- loc = _bin... | Makes a big difference for Float64Index with integer key.
```
import numpy as np
import pandas as pd
idx = pd.Index(np.arange(10**7))
fidx = idx.astype('f8')
key = idx[len(idx) // 2]
key2 = idx[10]
%timeit idx.get_loc(key)
2.97 µs ± 36.2 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each) # ... | https://api.github.com/repos/pandas-dev/pandas/pulls/43705 | 2021-09-22T21:07:32Z | 2021-09-23T12:21:18Z | 2021-09-23T12:21:17Z | 2021-09-23T16:17:35Z |
REF: simplify DatetimeEngine.__contains__ | diff --git a/pandas/_libs/index.pyx b/pandas/_libs/index.pyx
index 31b507e9b7800..d7de9a25cecda 100644
--- a/pandas/_libs/index.pyx
+++ b/pandas/_libs/index.pyx
@@ -418,19 +418,12 @@ cdef class DatetimeEngine(Int64Engine):
def __contains__(self, val: object) -> bool:
# We assume before we get here:
... | This is never called outside of tests so not a big deal, but the code is redundant and in one place returns the wrong type. | https://api.github.com/repos/pandas-dev/pandas/pulls/43702 | 2021-09-22T19:57:03Z | 2021-09-22T22:00:24Z | 2021-09-22T22:00:23Z | 2021-09-22T22:16:49Z |
GH36236 - Additional Test for df.join() | diff --git a/pandas/tests/frame/methods/test_join.py b/pandas/tests/frame/methods/test_join.py
index 989a9be181a3f..b09ea596efe5b 100644
--- a/pandas/tests/frame/methods/test_join.py
+++ b/pandas/tests/frame/methods/test_join.py
@@ -373,3 +373,12 @@ def test_frame_join_tzaware(self):
tm.assert_index_equal(re... | TST
- [x] closes #36263
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43700 | 2021-09-22T17:31:37Z | 2021-11-07T02:38:41Z | null | 2021-11-07T02:38:41Z |
API: change ExtensionArray.astype to always return an ExtensionArray | diff --git a/pandas/core/arrays/base.py b/pandas/core/arrays/base.py
index a64aef64ab49f..1f5d1f16370b5 100644
--- a/pandas/core/arrays/base.py
+++ b/pandas/core/arrays/base.py
@@ -75,6 +75,7 @@
isin,
unique,
)
+from pandas.core.construction import array as pd_array
from pandas.core.sorting import (
na... | Closes #24877
This is a work-in-progress to see if it's realistic to require `ExtensionArray.astype` to always return an ExtensionArray (in practice this means returning a PandasArray if now a numpy array would be returned).
Further we will also need to see how this impacts external EAs, and how this change can ... | https://api.github.com/repos/pandas-dev/pandas/pulls/43699 | 2021-09-22T14:30:48Z | 2023-02-22T16:03:41Z | null | 2023-02-22T16:03:42Z |
Backport PR #43677 on branch 1.3.x (CI: Strict channel Priority) | diff --git a/.github/workflows/database.yml b/.github/workflows/database.yml
index d9e78b197de7a..3c4b0f913ed1b 100644
--- a/.github/workflows/database.yml
+++ b/.github/workflows/database.yml
@@ -2,7 +2,9 @@ name: Database
on:
push:
- branches: [master]
+ branches:
+ - master
+ - 1.3.x
pull_re... | Backport PR #43677 | https://api.github.com/repos/pandas-dev/pandas/pulls/43698 | 2021-09-22T13:17:27Z | 2021-09-22T14:39:35Z | 2021-09-22T14:39:34Z | 2021-09-22T14:39:39Z |
PERF: nsmallest | diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
index e8b68d41983d5..a8de95cfa72e0 100644
--- a/pandas/core/indexes/base.py
+++ b/pandas/core/indexes/base.py
@@ -6351,8 +6351,11 @@ def drop(self, labels, errors: str_t = "raise") -> Index:
KeyError
If not all of the labels ar... | ```
from asv_bench.benchmarks.series_methods import *
self6 = NSort()
self6.setup("last")
%timeit self6.time_nsmallest('last')
10.6 ms ± 43.4 µs per loop (mean ± std. dev. of 7 runs, 100 loops each) # <- master
1.5 ms ± 17.2 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each) # <- PR
``` | https://api.github.com/repos/pandas-dev/pandas/pulls/43696 | 2021-09-22T03:49:33Z | 2021-09-22T13:10:57Z | 2021-09-22T13:10:57Z | 2021-09-22T14:38:19Z |
TYP: use __all__ to signal public API to type checkers | diff --git a/pandas/__init__.py b/pandas/__init__.py
index 294b092e33c58..9505d0481ee19 100644
--- a/pandas/__init__.py
+++ b/pandas/__init__.py
@@ -131,7 +131,7 @@
qcut,
)
-import pandas.api
+from pandas import api, arrays, errors, io, plotting, testing, tseries
from pandas.util._print_versions import show_ve... | - [x] closes #43664
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43695 | 2021-09-22T01:48:27Z | 2021-09-28T23:39:12Z | 2021-09-28T23:39:12Z | 2022-05-26T01:59:08Z |
PERF: Groupby.count | diff --git a/pandas/core/groupby/generic.py b/pandas/core/groupby/generic.py
index 38f1d41494fd2..a672f8fc96ba0 100644
--- a/pandas/core/groupby/generic.py
+++ b/pandas/core/groupby/generic.py
@@ -80,6 +80,7 @@
Index,
MultiIndex,
all_indexes_same,
+ default_index,
)
from pandas.core.series import Se... | ```
from asv_bench.benchmarks.groupby import *
self4 = GroupByMethods()
self4.setup('uint', 'count', 'direct', 5)
%timeit self4.time_dtype_as_field('uint', 'count', 'direct', 5)
231 µs ± 5.23 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each) # <- master
77.3 µs ± 619 ns per loop (mean ± std. dev. of 7 ... | https://api.github.com/repos/pandas-dev/pandas/pulls/43694 | 2021-09-21T23:47:46Z | 2021-09-22T01:10:42Z | 2021-09-22T01:10:42Z | 2021-09-22T01:54:49Z |
REF: implement Index._can_use_libjoin | diff --git a/pandas/core/indexes/base.py b/pandas/core/indexes/base.py
index 95387c9557b1a..e8b68d41983d5 100644
--- a/pandas/core/indexes/base.py
+++ b/pandas/core/indexes/base.py
@@ -3059,6 +3059,7 @@ def _union(self, other: Index, sort):
and self.is_monotonic
and other.is_monotonic
... | Arbitrary EA-backed Indexes (e.g. Nullable) will not go down that path. | https://api.github.com/repos/pandas-dev/pandas/pulls/43692 | 2021-09-21T23:03:58Z | 2021-09-22T01:09:31Z | 2021-09-22T01:09:31Z | 2021-09-22T01:55:29Z |
Backport PR #43647 on branch 1.3.x (BUG: REGR: read_csv with memory_map=True raises UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc4 in position 262143: unexpected end of data ) | diff --git a/doc/source/whatsnew/v1.3.4.rst b/doc/source/whatsnew/v1.3.4.rst
index 87b08fae52c15..6212f2c6f3399 100644
--- a/doc/source/whatsnew/v1.3.4.rst
+++ b/doc/source/whatsnew/v1.3.4.rst
@@ -19,6 +19,7 @@ Fixed regressions
- Fixed performance regression in :meth:`MultiIndex.equals` (:issue:`43549`)
- Fixed regr... | Backport PR #43647: BUG: REGR: read_csv with memory_map=True raises UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc4 in position 262143: unexpected end of data | https://api.github.com/repos/pandas-dev/pandas/pulls/43691 | 2021-09-21T21:38:14Z | 2021-09-22T10:25:18Z | 2021-09-22T10:25:18Z | 2021-09-22T10:25:18Z |
BUG: Write compliant Parquet with `pyarrow` | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index 87f47dc65cea9..a6eaa8f2f57f8 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -125,6 +125,7 @@ Other enhancements
- Attempting to write into a file in missing parent directory with :meth:`DataFrame.to_... | - [x] closes #43689
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43690 | 2021-09-21T21:21:09Z | 2021-11-28T21:01:26Z | null | 2021-11-28T21:01:26Z |
CI: fix doc build | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index 87f47dc65cea9..4f181389faddd 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -355,7 +355,7 @@ Performance improvements
- Performance improvement in indexing with a :class:`MultiIndex` indexer on anoth... | - [x] closes #43685
| https://api.github.com/repos/pandas-dev/pandas/pulls/43688 | 2021-09-21T21:07:01Z | 2021-09-21T22:11:48Z | 2021-09-21T22:11:48Z | 2021-09-22T00:45:31Z |
ASV: rendering hidden elements in `Styler` | diff --git a/asv_bench/benchmarks/io/style.py b/asv_bench/benchmarks/io/style.py
index a0067307c3905..d3934942b7dc4 100644
--- a/asv_bench/benchmarks/io/style.py
+++ b/asv_bench/benchmarks/io/style.py
@@ -42,6 +42,14 @@ def peakmem_format_render(self, cols, rows):
self._style_format()
self.st._render_... | This asv aims to check for rendering regressions when processing loops for hidden rows and columns.
| https://api.github.com/repos/pandas-dev/pandas/pulls/43687 | 2021-09-21T21:00:26Z | 2021-09-22T13:13:35Z | 2021-09-22T13:13:35Z | 2021-09-22T16:56:21Z |
CLN: simplify `Styler._translate` | diff --git a/doc/source/user_guide/style.ipynb b/doc/source/user_guide/style.ipynb
index 1c83b0d3d048b..440cb85d1d6a6 100644
--- a/doc/source/user_guide/style.ipynb
+++ b/doc/source/user_guide/style.ipynb
@@ -1047,7 +1047,7 @@
"source": [
"### 5. If every byte counts use string replacement\n",
"\n",
- ... | Bit of a pre cursor to some other cleaning in #43649.
Prevents needing to pass variables around in worker functions, and has the added benefit of making the CSS classes user editable, by storing as a class attribute instead of module constants.
I ran the updated styler ASVs for this and "BENCHMARKS NOT SIGNIFICAN... | https://api.github.com/repos/pandas-dev/pandas/pulls/43686 | 2021-09-21T19:33:07Z | 2021-10-16T16:13:29Z | 2021-10-16T16:13:29Z | 2021-10-16T16:37:07Z |
CLN: unnecessary arg, declarations | diff --git a/pandas/_libs/index_class_helper.pxi.in b/pandas/_libs/index_class_helper.pxi.in
index f1dbc3780011f..dfce411c09e66 100644
--- a/pandas/_libs/index_class_helper.pxi.in
+++ b/pandas/_libs/index_class_helper.pxi.in
@@ -49,9 +49,7 @@ cdef class {{name}}Engine(IndexEngine):
# Returns ndarray[bool] or i... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43684 | 2021-09-21T18:28:55Z | 2021-09-22T13:13:02Z | 2021-09-22T13:13:02Z | 2021-09-22T14:38:44Z |
PERF: dropna | diff --git a/pandas/core/nanops.py b/pandas/core/nanops.py
index d37295eff83c4..2d0aa45f0fad2 100644
--- a/pandas/core/nanops.py
+++ b/pandas/core/nanops.py
@@ -462,6 +462,7 @@ def newfunc(values: np.ndarray, *, axis: int | None = None, **kwargs):
and values.ndim == 2
and values.flags["C_CONTI... | ```
from asv_bench.benchmarks.frame_methods import *
self3 = Dropna()
self3.setup("all", 0)
%timeit self3.time_dropna('all', 0)
125 ms ± 3.03 ms per loop (mean ± std. dev. of 7 runs, 10 loops each) # <- master
34.8 ms ± 269 µs per loop (mean ± std. dev. of 7 runs, 10 loops each) # <- PR
``` | https://api.github.com/repos/pandas-dev/pandas/pulls/43683 | 2021-09-21T17:24:45Z | 2021-09-21T19:20:52Z | 2021-09-21T19:20:52Z | 2021-09-21T20:35:18Z |
REF: unify i8 casting in DatetimeEngine | diff --git a/pandas/_libs/index.pyx b/pandas/_libs/index.pyx
index c511fa85d2ec4..31b507e9b7800 100644
--- a/pandas/_libs/index.pyx
+++ b/pandas/_libs/index.pyx
@@ -84,7 +84,7 @@ cdef class IndexEngine:
if self.over_size_threshold and self.is_monotonic_increasing:
if not self.is_unique:
... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43679 | 2021-09-21T03:33:06Z | 2021-09-21T19:21:57Z | 2021-09-21T19:21:57Z | 2021-09-21T20:35:57Z |
POC: New UDF methods option | diff --git a/pandas/core/apply.py b/pandas/core/apply.py
index 7555fb50f16af..b954600016d4b 100644
--- a/pandas/core/apply.py
+++ b/pandas/core/apply.py
@@ -21,7 +21,10 @@
import numpy as np
-from pandas._config import option_context
+from pandas._config import (
+ get_option,
+ option_context,
+)
from pa... | Start of #41112
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
The goal is to provide an implementation for apply on lists. See https://github.com/pan... | https://api.github.com/repos/pandas-dev/pandas/pulls/43678 | 2021-09-21T01:59:24Z | 2021-10-26T03:34:49Z | null | 2022-09-10T16:49:57Z |
CI: Strict channel Priority | diff --git a/.github/workflows/database.yml b/.github/workflows/database.yml
index cedc2b85c2794..6da47c86026ed 100644
--- a/.github/workflows/database.yml
+++ b/.github/workflows/database.yml
@@ -4,6 +4,7 @@ on:
push:
branches:
- master
+ - 1.3.x
pull_request:
branches:
- master
@@ -... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
Hopefully, this makes the slow Database CI that takes 6+ hours go faster(most of the t... | https://api.github.com/repos/pandas-dev/pandas/pulls/43677 | 2021-09-21T00:23:04Z | 2021-09-22T13:10:25Z | 2021-09-22T13:10:25Z | 2021-09-23T00:04:48Z |
WIP: Debug Slow Database CI | diff --git a/.github/workflows/database.yml b/.github/workflows/database.yml
index d9e78b197de7a..6172f71659f4a 100644
--- a/.github/workflows/database.yml
+++ b/.github/workflows/database.yml
@@ -74,7 +74,7 @@ jobs:
- uses: conda-incubator/setup-miniconda@v2
with:
activate-environment: pandas-dev
... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
Database / Linux_py37_IO (ci/deps/actions-37-db-min.yaml) (pull_request) is the offe... | https://api.github.com/repos/pandas-dev/pandas/pulls/43676 | 2021-09-20T23:49:25Z | 2021-09-21T00:17:26Z | null | 2021-11-12T05:05:06Z |
PERF: Groupby.any/all object dtype | diff --git a/pandas/core/groupby/groupby.py b/pandas/core/groupby/groupby.py
index 1ea16939603f9..050b835386ae6 100644
--- a/pandas/core/groupby/groupby.py
+++ b/pandas/core/groupby/groupby.py
@@ -1654,9 +1654,12 @@ def objs_to_bool(vals: ArrayLike) -> tuple[np.ndarray, type]:
if is_object_dtype(vals.dtype... | ```
from asv_bench.benchmarks.groupby import *
self = GroupByMethods()
self.setup("object", "any", "direct", 10)
%timeit self.time_dtype_as_field("object", "any", "direct", 10)
1.12 ms ± 60.7 µs per loop (mean ± std. dev. of 7 runs, 1000 loops each) # <- PR
11.4 ms ± 49.8 µs per loop (mean ± std. dev. of 7 ... | https://api.github.com/repos/pandas-dev/pandas/pulls/43675 | 2021-09-20T22:58:46Z | 2021-09-21T12:48:26Z | 2021-09-21T12:48:26Z | 2021-09-21T14:50:05Z |
TST: dropping of nuisance columns for groupby ops #38815 | diff --git a/pandas/tests/groupby/test_groupby.py b/pandas/tests/groupby/test_groupby.py
index 3de6af8eef694..83b096cfc2d05 100644
--- a/pandas/tests/groupby/test_groupby.py
+++ b/pandas/tests/groupby/test_groupby.py
@@ -853,11 +853,6 @@ def test_groupby_multi_corner(df):
def test_omit_nuisance(df):
grouped = d... | Add more aggregation functions for nuisance tests
- [ x] closes #38815
- [x ] tests added / passed
- [x ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43674 | 2021-09-20T20:23:30Z | 2021-10-05T00:30:11Z | 2021-10-05T00:30:11Z | 2021-10-05T00:30:14Z |
ENH: omit CSSStyle rules for hidden table elements (#43619) | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index f18b3b75ca3d2..88f1a19eda7fe 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -79,6 +79,7 @@ Styler
- Keyword arguments ``level`` and ``names`` added to :meth:`.Styler.hide_index` and :meth:`.Styler.... | - [x] closes #43619
- [x] tests added / passed (but canceled due to another error)
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
I couldn't run all tests, because of the followin... | https://api.github.com/repos/pandas-dev/pandas/pulls/43673 | 2021-09-20T19:25:30Z | 2021-09-22T12:36:52Z | 2021-09-22T12:36:51Z | 2021-09-23T14:42:43Z |
CI: run pyright | diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index eb0abe1829fc6..22c805733aff2 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -81,6 +81,15 @@ repos:
- flake8-comprehensions==3.1.0
- flake8-bugbear==21.3.2
- pandas-dev-flaker==0.2.0
+- re... | Run pyright in strict mode with a very long list of rules that need to be ignored. The idea is to enable more rules over time.
pre-commit seamlessly installs pyright (depends on node.js) but running pyright as part of the pre-commit slows the pre-commit down by ~85s.
| https://api.github.com/repos/pandas-dev/pandas/pulls/43672 | 2021-09-20T19:03:24Z | 2021-09-25T15:37:17Z | 2021-09-25T15:37:17Z | 2021-09-25T15:37:51Z |
ENH: enable skipna on groupby reduction ops | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index 2a718fdcf16e7..7d063e8e20333 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -168,7 +168,7 @@ Other enhancements
- Add support for assigning values to ``by`` argument in :meth:`DataFrame.plot.hist` an... | - [ ] closes #15675
- [ ] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
@mzeitlin11 Any help you can provide on what tests I should add, or where to start di... | https://api.github.com/repos/pandas-dev/pandas/pulls/43671 | 2021-09-20T18:41:27Z | 2022-01-16T18:02:27Z | null | 2022-01-16T18:02:28Z |
ENH: latex styler bool pandas options | diff --git a/doc/source/user_guide/options.rst b/doc/source/user_guide/options.rst
index 59319fda8045c..a65bb774b9df8 100644
--- a/doc/source/user_guide/options.rst
+++ b/doc/source/user_guide/options.rst
@@ -512,6 +512,7 @@ styler.latex.multicol_align r Alignment of headers in a m
styler.latex.... | - [x] adds the last remaining options for #41395 for the existing args in Styler.to_latex.
| https://api.github.com/repos/pandas-dev/pandas/pulls/43670 | 2021-09-20T18:25:46Z | 2021-10-18T23:15:03Z | 2021-10-18T23:15:03Z | 2021-10-19T05:32:03Z |
BUG: rename fails when using level | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index f18b3b75ca3d2..9acf0b7b884e6 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -413,6 +413,7 @@ Interval
Indexing
^^^^^^^^
+- Bug in :meth:`Series.rename` when index in Series is MultiIndex and level... | - [x] closes #43659
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43667 | 2021-09-20T06:45:26Z | 2021-09-27T23:34:23Z | 2021-09-27T23:34:23Z | 2021-09-28T01:12:36Z |
ENH: RangeIndex.sort_values now avoids materialization of values | diff --git a/asv_bench/benchmarks/index_object.py b/asv_bench/benchmarks/index_object.py
index 9c05019c70396..2b2302a796730 100644
--- a/asv_bench/benchmarks/index_object.py
+++ b/asv_bench/benchmarks/index_object.py
@@ -86,6 +86,12 @@ def time_iter_dec(self):
for _ in self.idx_dec:
pass
+ de... | - [x] closes #43584
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
What's new: On any instance of RangeIndex, sort_values will not sort as it is already s... | https://api.github.com/repos/pandas-dev/pandas/pulls/43666 | 2021-09-20T06:25:54Z | 2021-10-21T00:50:22Z | 2021-10-21T00:50:22Z | 2023-04-18T17:37:38Z |
DEPR: rolling/expanding/ewm.validate | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index f18b3b75ca3d2..96f4750d58d9e 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -334,7 +334,7 @@ Other Deprecations
- Deprecated the 'include_start' and 'include_end' arguments in :meth:`DataFrame.betwee... | - [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
An method with validation logic that should be in `__init__` ideally and should not be called by users. | https://api.github.com/repos/pandas-dev/pandas/pulls/43665 | 2021-09-19T22:10:37Z | 2021-09-20T14:36:30Z | 2021-09-20T14:36:30Z | 2021-09-20T16:59:13Z |
ENH: `Styler.bar` accepts matplotlib colormap | diff --git a/doc/source/user_guide/style.ipynb b/doc/source/user_guide/style.ipynb
index 7b7df83274620..67cf07a718877 100644
--- a/doc/source/user_guide/style.ipynb
+++ b/doc/source/user_guide/style.ipynb
@@ -49,6 +49,7 @@
"source": [
"import pandas as pd\n",
"import numpy as np\n",
+ "import matplotli... | No one has requested this but I think its nice none-the-less, especially in finance / science. Kind of like background_gradient with slightly different vizualisations.
![S... | https://api.github.com/repos/pandas-dev/pandas/pulls/43662 | 2021-09-19T19:33:51Z | 2021-10-10T17:35:44Z | 2021-10-10T17:35:44Z | 2021-10-11T15:51:20Z |
REF: simplify IndexEngine signature | diff --git a/asv_bench/benchmarks/indexing_engines.py b/asv_bench/benchmarks/indexing_engines.py
index 30ef7f63dc0dc..dc9576bc94d4c 100644
--- a/asv_bench/benchmarks/indexing_engines.py
+++ b/asv_bench/benchmarks/indexing_engines.py
@@ -48,7 +48,7 @@ def setup(self, engine_and_dtype, index_type):
"non_mono... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43661 | 2021-09-19T17:59:21Z | 2021-09-20T13:18:24Z | 2021-09-20T13:18:24Z | 2021-09-20T15:24:43Z |
CI: adding cython coverage | diff --git a/.coveragerc b/.coveragerc
new file mode 100644
index 0000000000000..d9a48b4bbc107
--- /dev/null
+++ b/.coveragerc
@@ -0,0 +1,2 @@
+[run]
+plugins = Cython.Coverage
diff --git a/.github/workflows/python-cython.yml b/.github/workflows/python-cython.yml
new file mode 100644
index 0000000000000..71034dd06cc17
... | - [x] closes #43652
Trying to include cython codes in codecov reports.
Working with the CI for the first time.
| https://api.github.com/repos/pandas-dev/pandas/pulls/43660 | 2021-09-19T16:30:43Z | 2022-01-16T18:02:48Z | null | 2022-01-16T18:02:48Z |
DEPR: Fix deprecation warnings in ASV | diff --git a/asv_bench/benchmarks/algorithms.py b/asv_bench/benchmarks/algorithms.py
index e48a2060a3b34..2e43827232ae5 100644
--- a/asv_bench/benchmarks/algorithms.py
+++ b/asv_bench/benchmarks/algorithms.py
@@ -44,9 +44,9 @@ def setup(self, unique, sort, dtype):
raise NotImplementedError
d... | - [X] closes #43586
| https://api.github.com/repos/pandas-dev/pandas/pulls/43658 | 2021-09-19T09:21:40Z | 2021-09-21T12:14:18Z | 2021-09-21T12:14:17Z | 2021-09-21T12:44:21Z |
BUG: add css conversion for new `Styler.apply_index` styles | diff --git a/pandas/io/formats/style_render.py b/pandas/io/formats/style_render.py
index 0ec6a9b470b50..8e7d82ae22b01 100644
--- a/pandas/io/formats/style_render.py
+++ b/pandas/io/formats/style_render.py
@@ -1636,7 +1636,11 @@ def _parse_latex_cell_styles(
def _parse_latex_header_span(
- cell: dict[str, Any], ... | - [x] closes #43648
no whats new needed since `apply_index` is new to 1.4.0 and this just makes it more complete.
| https://api.github.com/repos/pandas-dev/pandas/pulls/43657 | 2021-09-19T08:01:34Z | 2021-09-21T13:57:25Z | 2021-09-21T13:57:25Z | 2021-09-21T14:09:22Z |
DOC: expand allowed vals for `multicol_align` | diff --git a/pandas/core/config_init.py b/pandas/core/config_init.py
index cf41bcff3d0c8..3f7363836acdb 100644
--- a/pandas/core/config_init.py
+++ b/pandas/core/config_init.py
@@ -816,9 +816,11 @@ def register_converter_cb(key):
The specifier for vertical alignment of sparsified LaTeX multirows.
"""
-styler_mu... | - [x] closes #43471
no whats new since this is a new feature for 1.4.0 anyway.
| https://api.github.com/repos/pandas-dev/pandas/pulls/43656 | 2021-09-19T07:26:18Z | 2021-09-21T14:09:54Z | 2021-09-21T14:09:53Z | 2021-09-21T16:16:29Z |
PERF: sparse take | diff --git a/asv_bench/benchmarks/sparse.py b/asv_bench/benchmarks/sparse.py
index 32baec25bef2d..ff1c4c92fe551 100644
--- a/asv_bench/benchmarks/sparse.py
+++ b/asv_bench/benchmarks/sparse.py
@@ -180,4 +180,19 @@ def time_min_max(self, func, fill_value):
getattr(self.sp_arr, func)()
+class Take:
+
+ pa... | This helps some on #41023 because `__getitem__` uses `take` internally for `SparseArray`. However, the big gain there can follow after this to move towards not densifying on `__getitem__` with a slice
Benchmarks:
```
before after ratio
[e7e7b407] [4de1fe27]
<master> ... | https://api.github.com/repos/pandas-dev/pandas/pulls/43654 | 2021-09-19T03:02:14Z | 2021-09-21T14:08:48Z | 2021-09-21T14:08:48Z | 2021-09-21T16:51:15Z |
REF: ExtensionIndex.searchsorted -> IndexOpsMixin.searchsorted | diff --git a/pandas/core/algorithms.py b/pandas/core/algorithms.py
index 1d8e3093713f0..8a1688948a3c9 100644
--- a/pandas/core/algorithms.py
+++ b/pandas/core/algorithms.py
@@ -96,6 +96,7 @@
)
from pandas.core.arrays import (
DatetimeArray,
+ ExtensionArray,
TimedeltaArray,
)
@... | Perf-neutral on the case that motivated implementing ExtensionIndex.searchsorted (#38083)
| https://api.github.com/repos/pandas-dev/pandas/pulls/43653 | 2021-09-19T01:18:48Z | 2021-09-29T13:11:21Z | 2021-09-29T13:11:21Z | 2021-09-29T16:39:56Z |
REF: remove JoinUnit.shape | diff --git a/pandas/core/internals/concat.py b/pandas/core/internals/concat.py
index 991e4bbf4fbdb..f98cda57cb9c2 100644
--- a/pandas/core/internals/concat.py
+++ b/pandas/core/internals/concat.py
@@ -212,6 +212,8 @@ def concatenate_managers(
for placement, join_units in concat_plan:
unit = join_units[0]
... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43651 | 2021-09-18T21:31:25Z | 2022-03-07T13:46:00Z | 2022-03-07T13:46:00Z | 2022-03-07T16:26:45Z |
BUG: styler multiindex hiding indexes and columns alignment | diff --git a/doc/source/whatsnew/v1.4.0.rst b/doc/source/whatsnew/v1.4.0.rst
index d6ad5eb2003ce..aeaa91a4d8517 100644
--- a/doc/source/whatsnew/v1.4.0.rst
+++ b/doc/source/whatsnew/v1.4.0.rst
@@ -81,6 +81,7 @@ Styler
- Naive sparsification is now possible for LaTeX without the multirow package (:issue:`43369`)
-... | #### Follows #43686
- [x] closes #43637
- [x] closes #43644
- [x] closes #43703
- [x] tests added / passed
- [x] whatsnew entry (note part of the bug seems to have been created by hiding `levels` which is a new feature in 1.4.0).
This PR has two parts:
1) Addressing the bug fixes as per above.
The key ... | https://api.github.com/repos/pandas-dev/pandas/pulls/43649 | 2021-09-18T20:45:11Z | 2021-10-18T23:15:56Z | 2021-10-18T23:15:55Z | 2021-10-19T05:31:54Z |
BUG: REGR: read_csv with memory_map=True raises UnicodeDecodeError: 'utf-8' codec can't decode byte 0xc4 in position 262143: unexpected end of data | diff --git a/doc/source/whatsnew/v1.3.4.rst b/doc/source/whatsnew/v1.3.4.rst
index 87b08fae52c15..6212f2c6f3399 100644
--- a/doc/source/whatsnew/v1.3.4.rst
+++ b/doc/source/whatsnew/v1.3.4.rst
@@ -19,6 +19,7 @@ Fixed regressions
- Fixed performance regression in :meth:`MultiIndex.equals` (:issue:`43549`)
- Fixed regr... | - [x ] closes #43540
- [x ] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43647 | 2021-09-18T19:29:29Z | 2021-09-21T21:37:42Z | 2021-09-21T21:37:42Z | 2021-09-22T17:14:09Z |
Backport PR #43641 on branch 1.3.x (DOC: minor fixup of 1.3.4 release notes) | diff --git a/doc/source/whatsnew/v1.3.4.rst b/doc/source/whatsnew/v1.3.4.rst
index daefa9dc618f5..87b08fae52c15 100644
--- a/doc/source/whatsnew/v1.3.4.rst
+++ b/doc/source/whatsnew/v1.3.4.rst
@@ -15,7 +15,7 @@ including other versions of pandas.
Fixed regressions
~~~~~~~~~~~~~~~~~
- Fixed regression in :meth:`merge... | Backport PR #43641: DOC: minor fixup of 1.3.4 release notes | https://api.github.com/repos/pandas-dev/pandas/pulls/43646 | 2021-09-18T19:26:42Z | 2021-09-18T20:51:05Z | 2021-09-18T20:51:05Z | 2021-09-18T20:51:05Z |
CI: azure timeouts | diff --git a/pandas/tests/io/parser/common/test_index.py b/pandas/tests/io/parser/common/test_index.py
index a37bd010d0e1b..9db1df345404b 100644
--- a/pandas/tests/io/parser/common/test_index.py
+++ b/pandas/tests/io/parser/common/test_index.py
@@ -17,6 +17,10 @@
xfail_pyarrow = pytest.mark.usefixtures("pyarrow_xfai... | Based on the logging in #43611, in both timeout cases, the last test `gw0` ran was before the hypothesis test in `test_parse_dates` (this is a giant test - 56 parameterizations, hypothesis does 100 examples by default).
Not sure why this would be the cause, couldn't find any issues about it that might explain a dead... | https://api.github.com/repos/pandas-dev/pandas/pulls/43643 | 2021-09-18T17:40:12Z | 2021-09-21T12:46:35Z | 2021-09-21T12:46:35Z | 2021-09-21T16:51:33Z |
CLN: Python Parser code | diff --git a/pandas/_libs/parsers.pyi b/pandas/_libs/parsers.pyi
index 9e3c163fb54d9..01f5d5802ccd5 100644
--- a/pandas/_libs/parsers.pyi
+++ b/pandas/_libs/parsers.pyi
@@ -16,7 +16,6 @@ STR_NA_VALUES: set[str]
def sanitize_objects(
values: npt.NDArray[np.object_],
na_values: set,
- convert_empty: bool = ... | - [ ] closes #xxxx
- [ ] tests added / passed
- [ ] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [ ] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43642 | 2021-09-18T16:26:11Z | 2021-11-04T20:35:18Z | null | 2021-11-04T20:35:27Z |
DOC: minor fixup of 1.3.4 release notes | diff --git a/doc/source/whatsnew/v1.3.4.rst b/doc/source/whatsnew/v1.3.4.rst
index daefa9dc618f5..87b08fae52c15 100644
--- a/doc/source/whatsnew/v1.3.4.rst
+++ b/doc/source/whatsnew/v1.3.4.rst
@@ -15,7 +15,7 @@ including other versions of pandas.
Fixed regressions
~~~~~~~~~~~~~~~~~
- Fixed regression in :meth:`merge... | null | https://api.github.com/repos/pandas-dev/pandas/pulls/43641 | 2021-09-18T15:01:51Z | 2021-09-18T19:26:18Z | 2021-09-18T19:26:18Z | 2021-09-20T09:20:03Z |
backport 43638: BUG: styler to_latex doesnt respect hide_index | diff --git a/doc/source/whatsnew/v1.3.4.rst b/doc/source/whatsnew/v1.3.4.rst
index e56e481355ac2..708609e956da4 100644
--- a/doc/source/whatsnew/v1.3.4.rst
+++ b/doc/source/whatsnew/v1.3.4.rst
@@ -28,6 +28,7 @@ Fixed regressions
Bug fixes
~~~~~~~~~
- Fixed bug in :meth:`.GroupBy.mean` with datetimelike values includ... | null | https://api.github.com/repos/pandas-dev/pandas/pulls/43640 | 2021-09-18T15:01:11Z | 2021-09-23T16:39:33Z | null | 2021-09-23T16:40:32Z |
backport 43638: bug: styler to_latex doesnt respect hide_index | diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000000000..777c2548ab589
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,21 @@
+version: 2.1
+
+jobs:
+ test-arm:
+ machine:
+ image: ubuntu-2004:202101-01
+ resource_class: arm.medium
+ environment:
+ ... | null | https://api.github.com/repos/pandas-dev/pandas/pulls/43639 | 2021-09-18T14:58:56Z | 2021-09-18T14:59:51Z | null | 2021-09-23T16:40:43Z |
wip: BUG: styler hide index fails for latex translate | diff --git a/doc/source/whatsnew/v1.3.4.rst b/doc/source/whatsnew/v1.3.4.rst
index daefa9dc618f5..726ea426e9e08 100644
--- a/doc/source/whatsnew/v1.3.4.rst
+++ b/doc/source/whatsnew/v1.3.4.rst
@@ -28,6 +28,7 @@ Fixed regressions
Bug fixes
~~~~~~~~~
- Fixed bug in :meth:`.GroupBy.mean` with datetimelike values includ... | - [x] closes #43637
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
| https://api.github.com/repos/pandas-dev/pandas/pulls/43638 | 2021-09-18T14:49:57Z | 2021-09-23T16:38:32Z | null | 2021-09-23T16:40:52Z |
DOC: sync 1.3.4 release notes on 1.3.x with master | diff --git a/doc/source/whatsnew/v1.3.4.rst b/doc/source/whatsnew/v1.3.4.rst
index e56e481355ac2..daefa9dc618f5 100644
--- a/doc/source/whatsnew/v1.3.4.rst
+++ b/doc/source/whatsnew/v1.3.4.rst
@@ -15,10 +15,10 @@ including other versions of pandas.
Fixed regressions
~~~~~~~~~~~~~~~~~
- Fixed regression in :meth:`mer... | This is directly against 1.3.x branch so no backport required. | https://api.github.com/repos/pandas-dev/pandas/pulls/43636 | 2021-09-18T14:00:21Z | 2021-09-18T14:59:07Z | 2021-09-18T14:59:07Z | 2021-09-18T14:59:12Z |
WIP: DEPR: remove methods deprecated in 1.3.0 `Styler` | diff --git a/pandas/io/formats/style.py b/pandas/io/formats/style.py
index 2fbd9506e391a..b3313d6fbe0ca 100644
--- a/pandas/io/formats/style.py
+++ b/pandas/io/formats/style.py
@@ -220,8 +220,6 @@ def __init__(
formatter = formatter or get_option("styler.format.formatter")
# precision is handled by su... | removing methods from `Styler` for 1.4.0 that were deprecated as of 1.3.0. | https://api.github.com/repos/pandas-dev/pandas/pulls/43635 | 2021-09-18T12:25:21Z | 2021-10-19T12:56:19Z | null | 2021-10-19T12:56:19Z |
PERF: groupby with string dtype | diff --git a/asv_bench/benchmarks/groupby.py b/asv_bench/benchmarks/groupby.py
index e41f185e08443..86322661a4e8a 100644
--- a/asv_bench/benchmarks/groupby.py
+++ b/asv_bench/benchmarks/groupby.py
@@ -603,6 +603,38 @@ def time_sum(self):
self.df.groupby(["a"])["b"].sum()
+class String:
+ # GH#41596
+ ... | - [x] closes #41596
- [ ] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing_codebase.html#pre-commit) for how to run them
- [x] whatsnew entry
```python
In [1]: import numpy as np
...: ...: import pandas as pd
...: ... | https://api.github.com/repos/pandas-dev/pandas/pulls/43634 | 2021-09-18T09:24:34Z | 2021-09-23T16:22:27Z | 2021-09-23T16:22:27Z | 2021-09-24T11:32:45Z |
DOC: Update Matplotlib Colormaps documentation link in chart visualization #43624 | diff --git a/doc/source/user_guide/visualization.rst b/doc/source/user_guide/visualization.rst
index 4a4c3624aa614..fd0af7583f5dc 100644
--- a/doc/source/user_guide/visualization.rst
+++ b/doc/source/user_guide/visualization.rst
@@ -1651,7 +1651,7 @@ remedy this, ``DataFrame`` plotting supports the use of the ``colorma... | - [x] closes #43624
Fixes: Fixed a chart visualization coiormap section link that linked to an outdated version of matplotlib. Now links to a [stable version](https://matplotlib.org/stable/gallery/color/colormap_reference.html#sphx-glr-gallery-color-colormap-reference-py).
| https://api.github.com/repos/pandas-dev/pandas/pulls/43633 | 2021-09-18T08:06:59Z | 2021-09-29T13:30:54Z | 2021-09-29T13:30:54Z | 2021-09-29T21:18:23Z |
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